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Author SHA1 Message Date
Alan Wizemann ba8bf14ff0 chore: Bump version to 2.0.0 2026-04-19 13:07:49 -07:00
Alan Wizemann 4212200dca Merge remote-servers into main — v2.0 release
Brings multi-window + multi-server + remote-SSH support to main,
plus the full correctness/UX/concurrency polish pass.

Two commits land:
- 00ca722 feat: multi-window + remote SSH server support (Phases 0-4)
- 5920923 feat: v2.0 — correctness + UX polish on multi-server + remote SSH

See releases/v2.0.0/RELEASE_NOTES.md for the user-facing summary.
2026-04-19 13:07:22 -07:00
Alan Wizemann 5920923d92 feat: v2.0 — correctness + UX polish on multi-server + remote SSH
The multi-window / multi-server / remote-SSH work that landed in
00ca722 (feat: multi-window + remote SSH server support (Phases 0-4))
was feature-complete but accumulated rough edges during dogfooding
against a remote Mac mini. This commit finishes the 2.0 release:
correctness fixes on remote, a chat-view UX overhaul, and a Swift 6
complete-concurrency sweep across the service layer.

Correctness on remote
- Kill the WAL-error spam: snapshotSQLite now runs `PRAGMA
  journal_mode=DELETE` on the remote temp DB before scp, so the
  pulled file is self-contained. Open remote snapshots with
  `file:...?immutable=1` URI as defense-in-depth, and drop the
  pointless `PRAGMA journal_mode=WAL` from HermesDataService.open.
- loadSessionHistory and refreshMessages now force a fresh snapshot
  via refresh(), so resuming a session on a remote shows messages
  persisted since launch (previously stuck on the first snapshot).
- New SnapshotCoordinator actor dedupes concurrent snapshotSQLite
  calls per ServerID — Dashboard + Sessions + Activity no longer
  issue three parallel SSH backups for the same fetch.
- ACP cwd comes from the remote's $HOME (probed once, cached per
  server in UserHomeCache), not the local Mac's NSHomeDirectory().
- Typing into a blank Chat always creates a new session. The old
  auto-resume-most-recent fallback was picking up cron-spawned
  sessions that Hermes had already GC'd, producing silent prompt
  failures.
- handlePromptComplete surfaces non-success stopReasons ("refusal",
  "error", "max_tokens") as a system message so failed prompts no
  longer sit under a forever-spinning "Agent working…".

Chat UX
- Replace six racing onChange-driven scrollTo calls with
  `.defaultScrollAnchor(.bottom)` alone. Manual proxy.scrollTo
  against a LazyVStack that hadn't finished laying out was
  overshooting into whitespace. Layout-pass-integrated anchor
  behaves correctly at stream start and finish.
- Remove ContentUnavailableView swap in RichChatView — it tore down
  the whole ScrollView hierarchy on first message. Empty state now
  lives inside the scroll view.
- continueLastSession surfaces an acpError banner if open() fails,
  instead of silently returning.

Lifecycle hygiene
- ServerRegistry.removeServer closes the server's SSH ControlMaster
  (`ssh -O exit`), prunes its snapshot cache dir, and invalidates
  UserHomeCache for that ID. App launch sweeps orphan snapshot dirs
  whose UUIDs aren't in the registry anymore.
- NSWorkspace.activateFileViewerSelecting (backup-saved-to dialog)
  gated on !context.isRemote; remote surfaces the remote path in the
  saveMessage instead of silently no-op'ing on a nonexistent local
  path.

Swift 6 concurrency — 230 warnings → 1
- Mark ServerContext, HermesPathSet, ServerTransport (protocol),
  LocalTransport, SSHTransport, HermesFileService, and every value-
  type accessor as `nonisolated`. Prevents AppKit-import-driven
  MainActor inference from bleeding onto data-only types.
- Hand-written Codable conformances (vs. synthesized) for
  ACPRequest, ACPRawMessage, ACPError, GatewayState, PlatformState,
  HermesCronJob, CronSchedule, CronJobsFile, AuthFile, AuthEntry.
  Synthesized inits were inferred @MainActor by Swift 6's default-
  isolation rule; hand-written ones are explicitly nonisolated.
- Captured-var refactors in MCPServerEditorViewModel, PluginsView
  Model, LocalTransport.watchPaths. Thread.sleep → Task.sleep in
  TestConnectionProbe.
- Remaining warning is AnyCodable.value mutation in init(from:) —
  Any-typed storage can't be strictly Sendable; acknowledged via
  @unchecked Sendable.

ACP adapter upstream bug (not fixed here, but handled)
- Hermes's ACP adapter returns JSON-RPC success `{"result":{}}` for
  session/load on a missing session, logging the warning only to
  stderr. Scarf can't distinguish "loaded" from "silently missing"
  at that layer; the stopReason=refusal surfacing above catches the
  downstream symptom. Upstream issue worth filing.

Release docs
- releases/v2.0.0/RELEASE_NOTES.md with full user-facing breakdown.
- README.md "What's New" bumped to 2.0 with a multi-server section.
  Compatibility table adds v0.10.0 as verified.
- GitHub repo description updated (via `gh repo edit`) to call out
  multi-server + remote SSH.

35 files changed, +809/-350.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-19 13:02:40 -07:00
Alan Wizemann 00ca7229df feat: multi-window + remote SSH server support (Phases 0-4)
Adds the ability to manage multiple Hermes installations — local and
remote over SSH — from the same Scarf app, each in its own window.

Architecture:
- ServerContext value type carries per-server identity + paths through
  every VM and service. ContentView routes serverContext into each
  feature view's init; all 22 routed views thread it through to their
  @State VMs.
- ServerTransport protocol with LocalTransport (FileManager/Process/
  FSEvents) and SSHTransport (system ssh + scp + ControlMaster).
  Services were ported from direct Foundation I/O to transport-routed
  helpers so the same code runs against local or remote.
- WindowGroup(for: ServerID.self) gives each window its own
  AppCoordinator + HermesFileWatcher + ChatViewModel. File menu has
  Open Server commands with keyboard shortcuts (⌘1..⌘9). MenuBarExtra
  fans out per-server with start/stop/restart controls.
- ServerRegistry persists connections to ~/Library/Application
  Support/scarf/servers.json. Add Server sheet probes the remote with
  ssh -v to capture the full handshake on failure.
- Connection-status pill in remote-window toolbars with silent reconnect
  (3s retry on first failure, escalate to red after 2 consecutive),
  known-hosts-mismatch + ssh-add hint cards with copy buttons.

Concurrency / UX hardening (the parts learned the hard way during
dogfooding — captured in the feedback memory):
- ServerContext exposes context.readText / readData / writeText /
  fileExists / runHermes / openInLocalEditor as the canonical I/O
  surface. Every VM uses these; never raw FileManager / Process() /
  NSWorkspace.open with a Hermes path.
- SSHTransport.remotePathArg rewrites ~/foo to "$HOME/foo" so paths
  expand correctly inside the sh -c command we build (POSIX shells
  don't expand ~ inside any quotes).
- Heavy VM load() methods detach to a background task and commit
  results back via MainActor.run, so synchronous ssh round-trips don't
  beach-ball the UI. Applied to Dashboard, Memory, Settings,
  MCPServers, Cron, Plugins, Personalities, QuickCommands, Skills,
  Gateway, Health, CredentialPools.
- LoadingOverlay modifier shows a spinner over empty/stale section
  content during background reloads.
- enrichedShellEnv (zsh -l -i probe, up to 8s) is now warmed at app
  launch off-main so first MainActor caller doesn't block.
- Drop the file watcher's 5s heartbeat — FSEvents covers real changes
  and the heartbeat was triggering wasted reloads across every
  subscribing view.

Chat polish:
- ChatViewModel.hermesBinaryExists is a stored bool probed once at
  init, not a sync transport call evaluated on every body re-render.
- MessageGroupView identifies assistant bubbles by array offset rather
  than message.id, so the streaming → finalized id transition no
  longer destroys + recreates the bubble.
- Static scroll anchor in RichChatMessageList prevents two onChange
  handlers from racing on isWorking flips.

Branch state: feature complete, in active dogfooding. Plan + per-phase
status live at ~/.claude/plans/we-developed-an-application-harmonic-stroustrup.md;
the four hard-won transport/concurrency rules are saved in the
ServerContext-pattern feedback memory for future sessions.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-18 17:42:17 -07:00
Alan Wizemann 679dedf132 fix: release script — push main + tag before gh release create
The script was creating the GitHub release before pushing main, which
caused gh to auto-create the v<VERSION> tag at the then-current origin
HEAD (one commit behind the bump, since main hadn't been pushed yet).
The subsequent `git push origin v<VERSION>` was then rejected as
non-fast-forward, leaving the remote tag pointing at the wrong commit.

Caught during v1.6.2. The remote tag for v1.6.2 was force-corrected to
12610fa (the bump commit); the release artifacts themselves were always
correct.

New order: push main → tag main locally → push tag → gh release create.
Gh will now find the tag already on origin and attach to the right
commit. Non-destructive: a retry-safe release can always be resumed.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-04-17 17:24:31 -07:00
Alan Wizemann 12610faba0 chore: Bump version to 1.6.2 2026-04-17 17:18:33 -07:00
Alan Wizemann 73b44202ba fix: release script preflight allows pre-written RELEASE_NOTES.md
CLAUDE.md's release-notes convention says "write them to
releases/v<version>/RELEASE_NOTES.md BEFORE running the script" — but
the script's git-clean preflight rejected any working-tree state
including that exact file as untracked. Chicken-and-egg: you couldn't
follow the documented flow.

Preflight now whitelists releases/v<VERSION>/RELEASE_NOTES.md as the one
allowed untracked path. Everything else still fails the check.

Caught while running v1.6.2.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-04-17 17:18:23 -07:00
Alan Wizemann eed55cbb0f chore: Ignore release-artifact binaries
Stops the release script's git-clean preflight from tripping on the
zips + appcast-entry.xml that every release run produces under
releases/v<VERSION>/. GitHub Releases hosts the actual downloads; there's
no reason to commit ~30 MB of binaries per release into git history.

RELEASE_NOTES.md stays tracked — it's committed as part of the version
bump by the release script.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-04-17 17:16:10 -07:00
Alan Wizemann 14c97bee62 docs: CLAUDE.md — document the release flow + canonical prompts
Adds a Releases section so future Claude sessions (and teammates) don't
have to rediscover the release workflow. Documents:

- The single entry point: `./scripts/release.sh <ver> [--draft]`
- What the script does end-to-end
- The release notes convention (write them before running)
- A handful of canonical prompts the user can type
- Pointers to deeper prerequisite docs (README, script header)

Deliberately brief — detail lives in README and the personal auto-memory
at reference_release_process.md. CLAUDE.md's job here is just to make
the entry point discoverable on session start.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-04-17 17:13:15 -07:00
Alan Wizemann 8d3fe70e2c fix: Chat tab false-positive "no credentials" warning before session pick
The orange "No AI provider credentials detected" banner was firing on the
Chat tab whenever no session was selected, even for users whose
credentials were configured and working. The banner only disappeared
when a session started — not because credentials were actually found,
but because the banner's `!hasActiveProcess` gate flipped to false once
ACP launched.

Root cause: `HermesFileService.hasAnyAICredential()` inspected only the
shell environment and `~/.hermes/.env`, while Hermes itself resolves
credentials from two additional places Scarf had never learned about:

  - `~/.hermes/auth.json` — the Credential Pools file written by the
    Configure → Credential Pools UI (the blessed v1.6 flow)
  - `~/.hermes/config.yaml` — embedded `api_key:` under auxiliary.<task>
    and delegation

The preflight now checks all four locations. For auth.json we parse the
JSON and look for any `credential_pool.<provider>[*].access_token` that
is non-empty. For config.yaml we line-scan for `api_key:` leaves with a
non-empty value, matching the defensive style of the existing .env
scanner (no YAML parser needed in a nonisolated function).

Also updated the banner subtitle to point users at Credential Pools
before .env, since the former is the blessed in-app flow.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-04-17 17:10:51 -07:00
Alan Wizemann da88c98c7a feat: release script builds Universal + ARM64 variants
Each release now produces two distribution zips:
- Scarf-vX.X.X-Universal.zip  (arm64 + x86_64, recommended)
- Scarf-vX.X.X-ARM64.zip      (arm64 only, ~14% smaller)

Both are independently archived, exported with Developer ID, notarized,
and stapled via a new build_variant helper. The appcast still points at
the Universal zip since it works on all supported macs; ARM64 is an
alternative manual download for Apple Silicon users who want the smaller
file.

README updated to list both variants.

Prompted by the v1.6.1 release shipping only Universal; the ARM64 zip
for v1.6.1 was produced ad-hoc and uploaded to the existing release.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-04-16 20:10:17 -07:00
Alan Wizemann b7ad01f9da chore: Bump version to 1.6.1 2026-04-16 19:04:48 -07:00
Alan Wizemann 868e61979e chore: release script supports --draft + RELEASE_NOTES.md
Drafts skip the appcast push and main tag, so a draft release won't
show up in users' Sparkle update feed and v1.6.0 stays "latest" until
explicitly promoted. The signed appcast entry is saved to the release
dir for later manual promotion.

Also adds release notes file convention: releases/v<VERSION>/RELEASE_NOTES.md
is auto-included in the version-bump commit and used as the GitHub
release body.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-04-16 19:04:27 -07:00
Alan Wizemann 9bdd928469 fix: release script — rename scarf.app → Scarf.app after export
Xcode exports the bundle as scarf.app because PRODUCT_NAME = $TARGET_NAME
and the target is lowercase "scarf". Users expect Scarf.app in their
/Applications folder. Renaming the bundle wrapper preserves the
signature (codesign signs contents, not the wrapper directory name).

Caught during a build+sign+verify dry run before the first notarized
release.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-04-16 18:59:41 -07:00
Alan Wizemann 75e489e39c fix: chat works without a terminal hermes session; surface the real error when it doesn't
A fresh-install user reported Scarf chat only worked while `hermes chat`
was also running in Terminal. ACP connected successfully but sending a
message errored. `~/.hermes/logs/errors.log` showed the real cause:

  RuntimeError: No Anthropic credentials found. Set ANTHROPIC_TOKEN or
  ANTHROPIC_API_KEY, run 'claude setup-token', or authenticate with
  'claude /login'.

The terminal workaround masked the bug because the terminal-launched
`hermes` inherits the user's shell env (ANTHROPIC_* exports, Keychain
session) while a Finder/Dock-launched Scarf subprocess does not.
Scarf's previous PATH-only enrichment (commit b2a29ab) fixed binary
discovery but not credential propagation.

Five changes:

1. Propagate credential env vars from the login shell.
   HermesFileService.enrichedEnvironment() now harvests a conservative
   allowlist of AI-provider keys (ANTHROPIC_API_KEY/TOKEN/BASE_URL,
   OPENAI_*, OPENROUTER_*, GEMINI/GOOGLE/GROQ/MISTRAL/XAI API keys,
   CLAUDE_CODE_OAUTH_TOKEN) alongside PATH. Uses one `zsh` probe with
   null-delimited `printf` so values with newlines survive, cached for
   the process lifetime.

2. Two-attempt shell probe catches nvm/asdf/mise PATH.
   Previous `zsh -l` missed `.zshrc`-exported PATH (nvm). New probe
   first tries `zsh -l -i` (login + interactive, sources .zshrc) with
   prompt frameworks defanged (TERM=dumb, empty PS1/PROMPT,
   POWERLEVEL9K_INSTANT_PROMPT=off, STARSHIP_DISABLE=1,
   ZSH_DISABLE_COMPFIX=true) and a 5s timeout; falls back to `zsh -l`
   with 3s; finally to hardcoded defaults.

3. Resolve `hermes` binary across install locations.
   HermesPaths.hermesBinary is now computed, walking pipx
   (~/.local/bin), Apple Silicon brew (/opt/homebrew/bin), Intel brew
   / manual (/usr/local/bin), and ~/.hermes/bin. Returns the first
   executable match or the pipx default for "Expected at …"
   diagnostics. All 10+ callsites (ACPClient, scarfApp, Health /
   Gateway / Tools / Sessions / QuickCommands / Personalities /
   Settings / WhatsAppSetup / OAuthFlow / CredentialPools
   ViewModels) auto-migrate with zero edits.
   HermesFileService.hermesBinaryPath() shares the same candidate
   list as the source of truth.

4. Surface the real failure in the chat UI.
   ACPClient keeps a 50-line ring buffer of subprocess stderr
   (previously only sent to os_log). New ACPErrorHint.classify pattern-
   matches the common fresh-install failures — "No credentials found",
   "No such file or directory: 'npx'", rate-limit — and returns a short
   human hint. ChatView gains an errorBanner between toolbar and chat
   area showing the hint + raw message + a "Show details" disclosure
   with the stderr tail in a selectable monospaced view, plus a
   clipboard-copy button.

5. Preflight credential check.
   HermesFileService.hasAnyAICredential() scans the enriched env and
   ~/.hermes/.env for any known provider key. ChatViewModel exposes
   `missingCredentials`; the banner becomes a pre-emptive warning
   ("No AI provider credentials detected — add ANTHROPIC_API_KEY to
   ~/.hermes/.env or your shell profile") before the user even hits
   Send. HermesFileWatcher already watches ~/.hermes/.env, so edits
   re-trigger preflight automatically.

Incidental cleanup: recordACPFailure(_:client:context:) folds the
per-site `logger.error` calls, removing three `_ = msg` suppressions.
Dead `enrichedPath` alias removed.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-04-16 18:49:44 -07:00
Alan Wizemann 41ea3aeb83 feat: Sparkle auto-updates + Developer ID notarization pipeline
Adds Sparkle 2 auto-updates and a local release script that produces
signed, notarized, stapled builds for GitHub distribution. App Store
submission was rejected because Scarf spawns the user-installed hermes
binary and reads ~/.hermes/ directly — both forbidden by App Sandbox —
so we commit to the GitHub-release path properly.

- Sparkle SPM dep wired into the app target (link-only; hardened-runtime
  entitlement disable-library-validation lets Sparkle load at runtime).
- Tracked Info.plist with SUFeedURL, SUPublicEDKey, and daily check
  interval; replaces the auto-generated plist so Sparkle keys live in
  version control rather than pbxproj INFOPLIST_KEY_* noise.
- UpdaterService wraps SPUStandardUpdaterController and is injected via
  .environment(). Menu bar, standard app menu (CommandGroup after
  .appInfo), and a new Updates section in Settings → General each call
  updater.checkForUpdates().
- scripts/release.sh runs the full pipeline: version bump → universal
  archive → Developer ID export → notarytool submit (keychain profile
  scarf-notary) → staple → appcast EdDSA sign → gh-pages push → gh
  release → tag. scripts/ExportOptions.plist pins manual Developer ID
  signing for team 3Q6X2L86C4.
- README: removes the right-click-Open workaround (notarized builds
  don't need it), notes Sparkle, adds a Releases section describing
  the pipeline and signing prerequisites.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-04-16 18:42:20 -07:00
Alan Wizemann eb39dcfa61 docs: Restructure README + add v1.6.0 release binaries
Reorganize the Features section to match the app's sidebar (Monitor, Interact,
Configure, Manage, Project Dashboards, System) so readers find features the
same way they find them in the app. Add a "What's New in 1.6" callout with
links to the release notes.

Binaries: ARM64 (15 MB) and Universal (19 MB). Both signed with the Apple
Development identity (Team 3Q6X2L86C4). Universal contains both arm64 and
x86_64 slices verified with lipo.
2026-04-16 15:51:28 -07:00
Alan Wizemann 93ee194ba0 chore: Bump version to 1.6.0 2026-04-16 15:39:41 -07:00
Alan Wizemann b6d9113579 feat: Settings tabs, Platforms, Credential Pools, Model Picker, and Configure sidebar
Major expansion of Scarf's Hermes platform coverage. Settings is now a 10-tab
layout exposing ~60 previously hidden config fields. A new "Configure" sidebar
section groups per-platform setup, personality management, quick commands,
credential pools, plugins, webhooks, and profile switching.

## Highlights

- **Platforms feature** — Native GUI setup for all 13 messaging platforms
  (Telegram, Discord, Slack, WhatsApp, Signal, Email, Matrix, Mattermost,
  Feishu, iMessage, Home Assistant, Webhook, CLI). Per-platform forms write
  credentials to ~/.hermes/.env and behavior toggles to ~/.hermes/config.yaml.
  WhatsApp and Signal use an inline SwiftTerm terminal for QR/link pairing.

- **Credential Pools** — Provider-aware add/remove with proper type handling.
  OAuth flow uses Process + pipes to extract the authorization URL, open the
  browser explicitly, and accept the code via a form field. Fixes the Anthropic
  OAuth failure where the code had nowhere to be entered.

- **Model Picker** — Hierarchical provider -> model picker backed by
  ~/.hermes/models_dev_cache.json (111 providers, every major model). Used in
  Settings -> General and Delegation. "Custom..." escape hatch for unlisted IDs.

- **Settings as tabs** — 10 tabs (General, Display, Agent, Terminal, Browser,
  Voice, Memory, Aux Models, Security, Advanced). HermesConfig grew from 32 to
  ~90 fields via grouped sub-structs. All new fields round-trip through
  `hermes config set`.

- **Extended existing features** — Cron (create/edit/pause/resume/run-now/
  delete), Skills (Browse Hub + Updates tabs), Health (run `hermes dump` and
  `hermes debug share` with confirmation dialog), Sessions (rename/delete/
  export/export-all).

## Bug fixes

- Tools platform picker showed only CLI (was reading a nonexistent
  `platform_toolsets:` YAML section). Now enumerates KnownPlatforms.all with
  live connectivity dots from gateway_state.json.
- Credentials add with --api-key was triggering OAuth for providers like
  Anthropic because --type was missing. Now always passes --type api-key.
- Remove-by-index used 0-based indexing; hermes CLI expects 1-based. Fixed.
- Various CLI parser fragility issues (plugins, profiles, skills hub, webhooks)
  replaced with structured file reads or proper box-drawn table parsers.

## New core services

- HermesEnvService — reads/writes ~/.hermes/.env atomically, preserves
  comments, commented-out keys get enabled in-place on save, values with
  spaces/specials get quoted, unset commented out (non-destructive).
- ModelCatalogService — decodes the models.dev cache into typed providers and
  models with context/cost/release-date metadata.
- OAuthFlowController — manages the OAuth Process subprocess: extracts the
  auth URL via regex, opens the browser, pipes the code back via stdin,
  detects success/failure markers in output.

## New sidebar structure

Monitor / Projects / Interact / **Configure (new)** / Manage

The Configure section gathers the setup-style features that used to require
the CLI: Platforms, Personalities, Quick Commands, Credential Pools, Plugins,
Webhooks, Profiles.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-04-16 15:39:07 -07:00
Alan Wizemann b2a29ab68d fix: MCP test failures hidden as success; brew/nvm binaries not on PATH
Two related bugs surfaced when testing MCP servers that spawn npx, node,
python, etc. from Homebrew/nvm/asdf/mise installs.

1. MCP test reported success even when the connection failed.
   `hermes mcp test <server>` exits 0 even when the inner connection
   fails — it prints the error to stdout instead. Scarf trusted the
   exit code and rendered a green checkmark while the output said
   "✗ Connection failed: [Errno 2] No such file or directory: 'npx'".
   Fix: also scan output for ✗, "Connection failed", "No such file or
   directory", and "Error:" markers.

2. .app launches start with a minimal PATH that excludes Homebrew.
   When Scarf is launched from Finder/Dock, ProcessInfo's PATH is
   `/usr/bin:/bin:/usr/sbin:/sbin` — no /opt/homebrew/bin, no
   /usr/local/bin, no nvm/asdf/mise shims. Hermes inherits this and
   can't find npx/node/python when spawning MCP server subprocesses.
   Fix: query the user's login shell PATH once via `/bin/zsh -lc 'echo
   $PATH'`, cache it on HermesFileService, and inject it into both
   `runHermesCLI` and the ACP subprocess. Falls back to a sane default
   covering both Apple Silicon and Intel Homebrew if zsh query fails.

Bumps version to 1.5.8 (build 10). Includes signed Universal + ARM64
binaries.
2026-04-16 07:51:32 -07:00
Alan Wizemann 117a0ee9dd fix: MCP Servers — preserve all entries when patching config.yaml
Fixes a bug where adding a second MCP server caused the first to disappear
from the list view, and any args containing YAML reserved characters (e.g.
"@modelcontextprotocol/server-fetch") corrupted the config file.

Three root causes in HermesFileService MCP YAML patching:

1. extractMCPBlock extended through trailing comments to EOF when
   mcp_servers was the last top-level key in config.yaml. Trailing
   comments became part of the "block", so subsequent inserts landed
   at end-of-file rather than inside the entry.

2. patchMCPServerField's entry boundary similarly absorbed trailing
   blanks/comments, making the entry "own" everything until the next
   sibling — or until EOF for the last entry.

3. yamlScalar did not quote values starting with YAML reserved
   indicators (@ * & ? | > ! % , [ ] { } < ` ' "). Args like
   "@modelcontextprotocol/server-fetch" were written bare, producing
   invalid YAML that broke subsequent reads/writes.

Fix: trim trailing blanks/comments off both the block and the entry
in the locator/extractor; quote any scalar starting with a reserved
first character.

Bumps version to 1.5.7 (build 9). Includes signed Universal + ARM64
binaries.

Note: users with an already-corrupted ~/.hermes/config.yaml from the
1.5.6 bug should manually clean up their mcp_servers block (delete the
orphan args at end of file) before upgrading. New writes will be clean.
2026-04-16 07:38:49 -07:00
Alan Wizemann 61d59ba0e4 chore: Re-sign 1.5.6 release binaries
The first 1.5.6 zips contained `linker-signed` bundles with no Sealed
Resources, plus a stray nested scarf.app from a case-insensitive cp.
macOS Gatekeeper rejected the ARM64 download as "damaged"; the
Universal one ran only because the user had already trusted it.

Now both bundles are properly ad-hoc-signed (`Sealed Resources
version=2`) with the hardened runtime preserved. Sizes dropped
significantly (Universal 33MB→16MB, ARM64 27MB→13MB) because the
nested junk is gone.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-16 07:13:55 -07:00
Alan Wizemann 0a584f6722 chore: Bump version to 1.5.6 and add release binaries
Includes the MCP Servers management UI shipped in 219bca2:
- Add via curated presets (GitHub, Linear, Notion, Sentry, Stripe, …)
  or fully custom (stdio command + args, or HTTP URL with bearer auth)
- Per-server detail view: enable/disable, env + headers editor,
  tool include/exclude filters, resources/prompts toggles, request
  and connect timeouts, OAuth token detection + clearing
- One-click "Test Connection" runs `hermes mcp test` and surfaces
  the discovered tool list
- Gateway-restart banner after config changes that need a reload

README updated with the MCP Servers section, the new MCPServers/
feature module entry, and the `hermes mcp` + `mcp-tokens/` entries
in the Data Sources table.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-16 06:45:19 -07:00
Alan Wizemann 219bca264e feat: Add MCP Servers management UI
Full MCP server lifecycle: add (stdio + HTTP), edit, remove, test,
enable/disable. YAML config patching for args, env, headers, tool
filters, timeouts. OAuth token detection + deletion. Preset picker
for common MCP servers. Gateway restart banner after config changes.

New sidebar section "MCP Servers" under Manage.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-15 19:53:55 -07:00
Alan Wizemann c7e6a809ed chore: Bump version to 1.5.5 and add release binaries
Ship Hermes v0.9.0 compatibility plus new features (log component
filter, session pill, Fast Mode, Backup/Restore, iMessage, /compress,
Discord threads). README lists both universal and ARM64 downloads.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-15 11:32:16 -07:00
Alan Wizemann c5d6116f99 feat: Add Hermes v0.9.0 compatibility and new feature surfaces
- Log parser: session-ID tag in v0.9.0 log format is now an optional
  capture group; session pill renders inline and tap-filters the view.
- Logs: component filter (Gateway/Agent/Tools/CLI/Cron) and bounded
  logger column with middle truncation.
- Gateway stop: uses `hermes gateway stop` CLI (v0.9.0's launchctl
  bootout fix) with SIGTERM as fallback.
- HermesConfig: new keys for Fast Mode (service_tier), gateway notify
  interval, force IPv4, context engine, interim assistant messages,
  and Honcho eager init (camelCase per PR #6995).
- Settings: new Performance, Network, Advanced, and Backup & Restore
  sections that call `hermes backup` / `hermes import` off the main
  actor; robust zip-path extraction via regex.
- Platforms: iMessage (BlueBubbles) added to KnownPlatforms and
  icon map.
- Cron: Discord thread delivery (`discord:chat:thread`) renders as
  "Discord thread X in Y".
- Chat: `/compress <focus>` button appears when ACP advertises the
  command; optional focus sheet sends through existing prompt path.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-14 16:59:46 -07:00
Alan Wizemann 8672ed1e6c chore: Bump version to 1.5.2 and add universal release binary
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-10 02:53:21 -04:00
Alan Wizemann 46468890d5 feat: Track ACP token usage, improve chat scroll behavior, and show session costs
Add cumulative token tracking from ACP prompt results with fallback
display when DB has no data yet. Improve scroll-to-bottom reliability
with an external trigger for "Return to Active Session" and onAppear
auto-scroll. Show per-session cost in the dashboard session list.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-10 00:15:44 -04:00
Alan Wizemann cd503378e2 fix: Move Tools subprocess calls off main thread to fix toggle rendering
Synchronous Process.run()/waitUntilExit() calls on the main thread blocked
SwiftUI's render loop, causing toggle controls to appear as solid blue
rectangles instead of proper switches. All hermes subprocess and file I/O
calls are now async via Task.detached, toggle uses optimistic state update
for immediate visual feedback, and pipe file handles are properly closed.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-09 23:16:52 -04:00
Alan Wizemann 86762eab6d fix: Harden ACP session stability and recover messages on reconnection
Sessions were silently dying and losing chat history because:
- Pipe write errors (EPIPE) were completely undetected — broken pipe
  writes via Task.detached { handle.write() } failed silently, leaving
  the app unaware the subprocess had crashed
- Reconnection fell back to newSession() when loadSession() failed,
  creating a blank session and permanently losing all conversation context
- No message reconciliation after reconnect — DB-persisted messages
  were never re-fetched, so the UI stayed stale/incomplete
- Keepalive sent bare "\n" which caused json.loads("") parse errors
  in the ACP library every 30 seconds, destabilizing the connection
- TERM=xterm-256color was set on a pipe-based subprocess, risking
  terminal escape sequence pollution in the JSON-RPC stream

Fixes:
- Replace FileHandle.write() with POSIX Darwin.write() + SIGPIPE
  suppression for immediate broken-pipe detection at all write sites
- Send valid JSON-RPC notification {"jsonrpc":"2.0","method":"$/ping"}
  as keepalive instead of bare newlines
- Never fall back to newSession() during reconnection — try
  resumeSession then loadSession, fail visibly if both fail
- Add reconcileWithDB() to merge DB-persisted messages with local
  state after successful reconnection
- Finalize streaming messages immediately on disconnect so partial
  content is preserved before reconnection begins
- Use SIGINT instead of SIGTERM for graceful Python subprocess shutdown
- Remove TERM env var from ACP subprocess environment
- Consolidate disconnect cleanup into single idempotent method
- Add isHandlingDisconnect guard against double-handling
- Increase reconnect attempts from 3 to 5 with capped backoff
- Add "Reconnect" button to toolbar error state

Also: bump version to 1.5.1, set deployment target to macOS 14.6
(Sonoma), and update README with rich chat/ACP features, process
controls, skill editing, and corrected system requirements.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-09 13:13:34 -04:00
Alan Wizemann a7fd193770 feat: Add ACP real-time chat with stable connection management
Implement a rich chat interface powered by the Hermes ACP (Agent
Communication Protocol) over JSON-RPC stdio pipes, with comprehensive
connection stability:

- ACPClient actor: manages hermes acp subprocess lifecycle, JSON-RPC
  transport, event streaming via AsyncStream, and session management
- ACPMessages: full event parsing for message chunks, thought chunks,
  tool calls, permission requests, and prompt completion
- RichChatViewModel: streaming message display with live updates,
  tool result rendering, and message grouping
- ChatViewModel: ACP session orchestration, auto-start on first
  message, and terminal mode fallback

Connection stability fixes:
- Non-blocking pipe writes via Task.detached to prevent actor deadlock
- Read loop cleanup (handleReadLoopEnded) finishes event stream and
  fails pending requests on EOF instead of hanging silently
- 30s request timeouts on control messages via watchdog Task pattern
- Keepalive: writes \n to stdin every 30s to detect dead processes
  via EPIPE before the next user action
- Health monitor: polls process.isRunning every 5s as belt-and-suspenders
- Auto-reconnect: retries up to 3 times with exponential backoff
  (1s/2s/4s), restores session, only shows error after all retries fail
- connectionLost event displays system message in chat on failure
- Proper stderr pipe management: stored task reference, closed in stop()
- Idempotent cleanup across handleReadLoopEnded, handleTermination,
  and handleConnectionDied via actor serialization and nil guards

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-09 04:33:03 -04:00
Alan Wizemann 521c6d63fc refactor: Use MarkdownContentView in rich chat bubbles
Replace inline AttributedString(markdown:) in RichMessageBubble with
the shared MarkdownContentView for consistent styled rendering of
headers, lists, blockquotes, and inline formatting in chat messages.
Code blocks continue to use CodeBlockView with its copy button.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-09 00:13:17 -04:00
Alan Wizemann 66d04d838d Merge branch 'chat-interface' into main
Add rich chat interface with iMessage-style message bubbles, terminal
toggle, session info bar, code block rendering with copy button, and
tool call cards. Supports both terminal and rich chat display modes.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-09 00:09:31 -04:00
Alan Wizemann ad30c0a943 feat: Show tool output in Activity inspector (#12)
Add tool result display to the Activity detail pane. When selecting a
tool call, the inspector now shows Arguments → Output → Assistant
Message, giving full visibility into what was requested, what came back,
and how the assistant interpreted it.

- Add fetchToolResult(callId:) query to HermesDataService
- Fetch tool result on entry selection in ActivityViewModel
- Display output in styled monospaced box in detail pane
- Render assistant message with MarkdownContentView

Closes #12

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-08 23:52:42 -04:00
Alan Wizemann 44afa8f53b fix: Hide false external memory provider warning on fresh installs
The config.yaml uses YAML empty string literal (provider: '') which the
parser reads as the literal string '' rather than an empty string. Strip
surrounding quotes before checking so '' and "" are treated as empty.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-08 23:40:35 -04:00
Alan Wizemann 481b937c33 feat: Add rich markdown rendering and skill editing (#11)
Add a custom MarkdownContentView that renders markdown with visual
styling — large headers, styled code blocks with language labels,
bullet and numbered lists, blockquotes with colored borders, and
horizontal rules. YAML frontmatter in skill files is hidden.

Markdown rendering added to:
- Memory view (MEMORY.md, USER.md) with live preview in editor
- Skills view (.md files) with new edit/save capability
- Session messages (assistant responses)
- Dashboard text widgets

Other changes:
- Shared MarkdownRenderer utility for inline formatting
- Split-pane editors (raw markdown left, live preview right)
- saveSkillContent() in HermesFileService with path validation
- Line breaks preserved in non-markdown content (Key: Value format)

Closes #11

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-08 23:30:44 -04:00
Alan Wizemann 790efb585b feat: Add Hermes process start/stop/restart controls (#10)
- Add hermesPID() and stopHermes() to HermesFileService for process
  signal management via SIGTERM
- Add process control bar to Health view with running status, PID
  display, and Start/Stop/Restart buttons
- Add Start/Stop/Restart Hermes quick actions to menu bar
- Start launches gateway, stop sends SIGTERM, restart combines both

Closes #10

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-08 22:48:53 -04:00
Alan Wizemann 3acf95a824 feat: Add Hermes v0.8.0 compatibility and fix Tools tab toggling (#9)
Hermes v0.8.0 support:
- Filter subagent sessions from main list with parent session drill-down
- Add agent.log support (new default log file)
- Add Feishu and Mattermost platforms
- Add Google AI Studio, xAI, Ollama Cloud providers
- Expand cron job model (pre-run scripts, delivery tracking, timeouts, SILENT)
- Add Docker env, command allowlist, and memory profile to config
- Add profile-scoped memory with profile picker
- Add browser backend picker and credential removal to Settings
- Add skills required config warnings
- Consolidate platform icon resolution to single source of truth
- Filter Insights queries to exclude subagent sessions

Bug fix:
- Fix Tools tab phantom toggling when switching platforms (#9)
  - Add .id() to tool list for proper SwiftUI view identity
  - Replace ambiguous plain buttons with segmented Picker

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-08 22:12:13 -04:00
Alan Wizemann 7d69c82c2b Add rich chat interface with iMessage-style bubbles and terminal toggle
Introduce a new structured chat view as an alternative to the SwiftTerm
terminal. Users can switch between raw terminal and rich chat modes via a
segmented picker in the toolbar. The rich view polls state.db for messages
and renders them as conversation bubbles with markdown, code blocks,
expandable tool call cards, reasoning sections, and a live session info bar
showing tokens, cost, and model. The terminal process stays alive in both
modes — in rich mode it runs hidden while user input from the text field is
piped to its stdin.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-06 12:33:55 -04:00
Alan Wizemann ae2872e08f Add Hermes v0.7.0 compatibility: reasoning tokens, cost tracking, schema detection
- Auto-detect v0.7.0 database schema with backward compat for older DBs
- Surface reasoning tokens, actual cost, and billing provider from sessions
- Display model reasoning/thinking content in session message bubbles
- Add cost tracking to Dashboard, Insights, and session detail views
- Fix FTS5 search crash on dotted terms (e.g., "config.yaml", "v0.7.0")
- Add missing platforms: Home Assistant, Webhook, Matrix
- Consolidate platform icon mapping into shared KnownPlatforms.icon(for:)
- Map execute_code tool to ToolKind.execute
- Add Settings UI for reasoning effort, approval mode, show cost
- Show memory provider warning when external provider (Honcho) is active
- Replace fragile manual HermesSession init with withTitle() helper
- De-duplicate formatTokens utility function
- Bump version to 1.4.0

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-04 21:46:03 -04:00
Alan Wizemann 303f4502dd Fix version reporting: update MARKETING_VERSION to 1.3.0
All builds were reporting version 1.0 because the Xcode project version
was never updated from its default. Fixes #5, fixes #7.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-03 13:50:57 -04:00
Alan Wizemann 815c9dcbcd Merge pull request #6 from awizemann/code-quality
Code quality improvements and webview dashboard widget
2026-04-02 12:04:16 -04:00
Alan Wizemann ef53ac1c93 Replace webview split layout with tabbed Dashboard/Site interface
Dashboards with a webview widget now show a tab bar: Dashboard tab
renders all normal widgets, Site tab displays the web content
full-canvas with even margins. Cleaner UX than the split layout.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-02 12:03:50 -04:00
Alan Wizemann 2a3e8b1422 Add webview widget for embedded web browser in project dashboards
New widget type that renders any URL (local dev servers, HTML reports)
directly in the dashboard via WKWebView. Sections with webviews
automatically split layout: grid widgets left, webview right.
Configurable height, non-persistent data store, navigation error logging.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-02 10:29:05 -04:00
Alan Wizemann 563f5a702c Improve code quality: error logging, constants, path validation, safe defaults
- Replace try? with do/catch and [Scarf] error logging in all service-layer
  JSON decoding, file writes, and directory creation
- Extract sqliteTransient constant replacing raw unsafeBitCast(-1, ...) pattern
- Add QueryDefaults and FileSizeUnit enums for all magic numbers
- Guard HOME env var with NSHomeDirectory() fallback instead of force-unwrap
- Add path traversal validation to loadSkillContent()
- Add SessionStats.empty and use it across all initialization sites
- Replace KnownPlatforms array indexing with named .cli constant

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-02 03:15:03 -04:00
Alan Wizemann c7f3ca9be3 Merge feature/project-dashboards into main 2026-04-01 01:30:55 -04:00
Alan Wizemann dbaadb8037 Add Project Dashboards feature with agent-generated widgets
Introduces a new Projects section that renders custom dashboards from
JSON files in project directories. Supports 7 widget types (stat,
progress, text, table, chart, list) with live file-watching refresh.
Includes project registry, SwiftUI Charts integration, schema docs,
and comprehensive README documentation.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-01 00:48:13 -04:00
Alan Wizemann ce001fe202 Add left padding to terminal view in chat interface
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 22:28:46 -04:00
Alan Wizemann a329eca419 Merge branch 'development' 2026-03-31 15:30:51 -04:00
Alan Wizemann 528de938c5 Add pre-built binary install instructions to README
Universal binary (arm64 + x86_64) available on Releases page.
Updated Building section to Install with download + build options.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 15:30:50 -04:00
Alan Wizemann 4f791d491e Merge pull request #4 from awizemann/development
Config Editor and Voice Fixes
2026-03-31 14:35:33 -04:00
Alan Wizemann dd79891874 Replace read-only Settings with structured config editor
Settings view now has editable form controls organized by section:

Model: editable model name field, provider dropdown picker
Display: personality picker (parsed from config), streaming/reasoning/verbose toggles
Terminal: backend picker (local/docker/singularity/modal/daytona/ssh), max turns stepper
Voice: auto TTS toggle, silence threshold stepper
Memory: enabled toggle, char limit steppers, nudge interval stepper

All changes write via `hermes config set key value` CLI with save
confirmation feedback. Open in Editor button launches the raw YAML
in the default text editor. Paths and raw config sections retained.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 14:23:56 -04:00
Alan Wizemann a13288e759 Merge branch 'main' of https://github.com/awizemann/scarf 2026-03-31 14:07:44 -04:00
Alan Wizemann a16c8ec2d9 Merge branch 'development' 2026-03-31 14:07:17 -04:00
Alan Wizemann 0e3712116f Merge pull request #3 from awizemann/development
Development to Main - New Voice Commands, Health Dashboard, Tools and gateway control
2026-03-31 14:05:40 -04:00
Alan Wizemann ab45f95790 Fix TTS toggle state reversed on voice enable
Hermes auto-enables TTS when voice mode turns on (auto_tts config).
Our ttsEnabled started as false, so the UI showed off when TTS was
actually on. Now reads auto_tts from config.yaml when voice enables
and sets the initial state to match.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 14:03:34 -04:00
Alan Wizemann d31bc63b6a Add microphone permission for voice chat
Hermes voice mode needs mic access when running as a Scarf subprocess.
- Added NSMicrophoneUsageDescription to Info.plist keys
- Created entitlements file with com.apple.security.device.audio-input
- Applied to both Debug and Release configurations

macOS will prompt for mic permission on first push-to-talk use.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 12:56:49 -04:00
Alan Wizemann bc8f4b0c25 Add TTS toggle button to voice controls
Voice toolbar now shows three controls when voice is enabled:
- Mic toggle (voice on/off)
- TTS toggle (speaker icon, sends /voice tts)
- Push to Talk (waveform, sends Ctrl+B)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 12:50:14 -04:00
Alan Wizemann 55ee99c839 Add Hermes version compatibility section to README
Documents tested versions and the interfaces Scarf depends on
(SQLite schema v6, CLI output parsing).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 12:45:50 -04:00
Alan Wizemann 3477fa733f Redesign Health view with card grid and expandable sections
Replaced the long flat list with a cleaner layout:
- Compact header bar: version, update banner, pass/warn/error counts
- Status/Diagnostics tab switcher (segmented control)
- 2-column card grid: each section is a uniform card showing icon,
  title, and colored status dot counts (green/orange/red)
- Cards have a colored border accent based on worst status
- Click to expand: reveals individual check rows inline
- Only one section expanded at a time for clean scanning

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 12:39:42 -04:00
Alan Wizemann c6f45ac22e Add System Health view with status and diagnostics
New Health section in the Manage group combining hermes status and
hermes doctor output:

- Version header with update available banner (e.g. "47 commits behind")
- Summary badges: passing/warning/issue counts
- Status sections: environment, API keys, auth providers, terminal
  backend, messaging platforms, gateway service, scheduled jobs
- Diagnostics sections: Python environment, required/optional packages,
  config files, directory structure, external tools, API connectivity,
  submodules, tool availability, Skills Hub, Honcho memory
- Each check shows green/orange/red icon with label and detail
- Refresh button to re-run both commands

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 12:36:56 -04:00
Alan Wizemann b4c93ac79c Add Gateway Control to README features, architecture, and data sources
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 12:33:16 -04:00
Alan Wizemann c09f167760 Add Gateway Control Center with service control and pairing management
New Gateway section in the Manage group:
- Service controls: Start/Stop/Restart buttons calling hermes gateway CLI
- Status display: state (running/stopped), PID, loaded indicator, stale
  service warning, exit reason, last update timestamp
- Platform cards: each connected messaging platform with connection state
  (reads from gateway_state.json)
- Pairing management: approved users list with revoke button, pending
  pairing codes with approve button
- Auto-refreshes via HermesFileWatcher when gateway state changes

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 12:32:29 -04:00
Alan Wizemann b79200e950 Update README with Tools Manager, session management, and revised docs
- Added Tools Manager to features list
- Updated Sessions Browser with rename/delete/export
- Updated Skills Browser with file switcher
- Updated Dashboard with live refresh
- Updated Log Viewer with text search
- Added hermes tools and hermes sessions to data sources table
- Revised How It Works section to cover management actions
- Updated architecture tree with Tools feature

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 12:02:29 -04:00
Alan Wizemann a800a630a8 Fix session rename not updating across views
After rename:
- Update selectedSession so detail header refreshes immediately
- Update sessionPreviews so previewFor() returns the new title
- Dashboard now observes HermesFileWatcher and reloads on DB changes
- Chat session menu reloads via file watcher (persists across nav)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 12:01:20 -04:00
Alan Wizemann e4d5bb0364 Add session management: rename, delete, export, and stats bar
Sessions browser enhancements:
- Stats bar: total sessions, messages, DB size, per-platform counts
- Right-click context menu on session rows: Rename, Export, Delete
- Detail view actions menu (ellipsis button): same actions
- Rename: sheet with text field, calls hermes sessions rename
- Delete: confirmation dialog, calls hermes sessions delete --yes
- Export single session: NSSavePanel, calls hermes sessions export
- Export all: button in stats bar, exports everything to JSONL
- Session ID shown in detail header for reference

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 11:55:35 -04:00
Alan Wizemann 36757a8c9a Add Tool Management panel with per-platform toggle switches
New Tools section in the Manage group:
- Platform tabs parsed from config.yaml (CLI, Telegram, Discord, etc.)
- Lists all toolsets with emoji icon, name, description, and toggle
- Toggle switches call hermes tools enable/disable under the hood
- Shows enabled count vs total
- MCP server status section at bottom
- Optimistic UI update on toggle with CLI fallback

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 11:47:25 -04:00
Alan Wizemann cfbf3ea142 Update README with Insights, voice controls, and activity filter
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 11:31:50 -04:00
Alan Wizemann f3cb1eb86b Add Insights Dashboard with usage analytics
New sidebar section showing rich analytics from the sessions database:
- Overview grid: sessions, messages, tokens (input/output/cache), active
  time, avg session duration, avg messages per session
- Model breakdown: sessions and total tokens per model
- Platform breakdown: CLI vs Telegram etc with session/message counts
- Top tools bar chart: ranked by call count with percentages
- Activity patterns: day-of-week bars and hourly heatmap
- Notable sessions: longest, most messages, most tokens, most tool calls
  with clickable links to open in Sessions browser
- Time period selector: 7/30/90 days or all time

Also adds ROADMAP.md documenting the full feature expansion plan.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 10:45:35 -04:00
Alan Wizemann 2b57025f3c Merge pull request #1 from awizemann/development
Buy Me a Coffee (seriously, I am tired).
2026-03-31 03:44:49 -04:00
Alan Wizemann 2a14e28589 Fix Buy Me a Coffee button image URL
Use CDN-hosted default button instead of API-generated image.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 03:27:43 -04:00
Alan Wizemann 39bac7d2be Add Buy Me a Coffee button to README
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 03:26:12 -04:00
Alan Wizemann af8e120c9f Remove cost stat card from dashboard
Hermes cost tracking returns $0.00 for models not in its static
pricing table (including claude-haiku-4-5). Token counts remain
displayed since those are always accurate.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 03:12:04 -04:00
Alan Wizemann 0d38856b3e Add session filter to Activity view
Dropdown in the filter bar lets users scope activity to a single
session or view all. Sessions are labeled with their first user
message preview. Combines with the existing tool-kind filter.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 03:03:28 -04:00
Alan Wizemann 0a73aab825 Show session previews instead of raw IDs everywhere
Fetches the first user message per session from the database and
uses it as the display label. Falls back to session title, then ID.

Applied consistently across:
- Chat session resume menu (shows what each session was about)
- Sessions browser list and detail header
- Dashboard recent sessions

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 02:58:55 -04:00
Alan Wizemann 0344ce2b98 Persist chat terminal across navigation, add session resume
The terminal process now survives sidebar navigation by hoisting
ChatViewModel to the app level via environment injection. The
LocalProcessTerminalView instance lives in the view model rather
than being recreated by NSViewRepresentable each time.

Added session management:
- Session menu with New Session, Continue Last, and Resume by ID
- Recent sessions list pulled from the database
- Hermes --resume and --continue flags for session continuity
- Status indicator showing active/inactive process state
- Empty state prompting user to start or resume a session

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 02:53:47 -04:00
Alan Wizemann eb38ee343c Fix Activity Feed description: recent, not real-time
The activity feed loads historical tool calls from the database,
it does not stream live events.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 02:39:47 -04:00
Alan Wizemann eacdf2bf4b Update Xcode project: app display name, icon assets, and Utilities category
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 02:36:57 -04:00
Alan Wizemann 57cd05ce73 Add app icon to README and commit icon assets
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 02:35:35 -04:00
Alan Wizemann 76b3730245 Fix clone URL in README to point to actual repo
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 02:33:45 -04:00
Alan Wizemann 18278a3357 Initial release: Scarf — macOS GUI for the Hermes AI agent
Native SwiftUI app providing full visibility into the Hermes AI agent:
- Dashboard with system health, token usage, and cost tracking
- Sessions browser with conversation detail and FTS5 search
- Activity feed with tool call inspector (read/edit/execute/fetch/browser)
- Embedded terminal chat via SwiftTerm with full ANSI/Rich rendering
- Memory viewer/editor with live file-watching refresh
- Skills browser by category with file content viewer
- Cron job viewer with output display
- Real-time log tailing with level filtering
- Settings display with raw config and Finder path links
- Menu bar status icon with quick actions

Architecture: MVVM-Feature, zero dependencies beyond SwiftTerm,
read-only SQLite access, Swift 6 strict concurrency.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-31 02:30:04 -04:00
271 changed files with 30262 additions and 4455 deletions
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---
name: Bug Report
about: Report a bug in Scarf
title: ''
labels: bug
assignees: ''
---
**Describe the bug**
A clear description of what the bug is.
**To Reproduce**
Steps to reproduce the behavior:
1. Go to '...'
2. Click on '...'
3. See error
**Expected behavior**
What you expected to happen.
**Screenshots**
If applicable, add screenshots.
**Environment**
- macOS version:
- Xcode version:
- Hermes version:
- Scarf version/commit:
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---
name: Feature Request
about: Suggest an idea for Scarf
title: ''
labels: enhancement
assignees: ''
---
**Is your feature request related to a problem?**
A clear description of the problem.
**Describe the solution you'd like**
What you want to happen.
**Describe alternatives you've considered**
Other solutions you've thought about.
**Additional context**
Any other context, screenshots, or mockups.
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# Xcode
build/
.gh-pages-worktree/
DerivedData/
*.pbxuser
!default.pbxuser
*.mode1v3
!default.mode1v3
*.mode2v3
!default.mode2v3
*.perspectivev3
!default.perspectivev3
xcuserdata/
*.xccheckout
*.moved-aside
*.hmap
*.ipa
*.dSYM.zip
*.dSYM
# Swift Package Manager
.build/
Packages/
Package.pins
Package.resolved
*.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/
.swiftpm/
# macOS
.DS_Store
.AppleDouble
.LSOverride
._*
.Spotlight-V100
.Trashes
# IDE
*.swp
*.swo
*~
.idea/
.vscode/
# Claude Code
.claude/
scarf/standards/backups/
# Scarf project dashboards (user-specific)
.scarf/
# Release artifacts — GitHub Releases hosts the binaries; no need to bloat git
# history. RELEASE_NOTES.md stays tracked (committed with the version bump).
releases/v*/*.zip
releases/v*/appcast-entry.xml
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# Scarf — macOS GUI for the Hermes AI Agent
## Project Structure
```
scarf/scarf/ Xcode project root (PBXFileSystemSynchronizedRootGroup — auto-discovers files)
scarf/ Main app target source
Core/Services/ HermesDataService, HermesFileService, HermesLogService, ACPClient, HermesFileWatcher
Core/Models/ Plain structs: HermesSession, HermesMessage, HermesConfig, etc.
Features/ MVVM-F feature modules (Dashboard, Sessions, Activity, Chat, Memory, Skills, Cron, Logs, Settings)
Navigation/ AppCoordinator, SidebarView
docs/ PRD, Architecture, Discovery notes
standards/ Copied development standards (read-only reference)
```
## Architecture Rules
- **MVVM-F**: Features never import sibling features. Cross-feature goes through services.
- **AppCoordinator**: Single `@Observable` coordinator for all navigation state, injected via `.environment()`.
- **No external dependencies**: System SQLite3, Foundation JSON, AttributedString markdown.
- **Read-only DB access**: Never write to `~/.hermes/state.db`. Only write to memory files and cron jobs.
- **Sandbox disabled**: App reads `~/.hermes/` directly.
- **Swift 6 concurrency**: `@MainActor` default. Services use `nonisolated` + async/await.
## Key Paths
- Hermes home: `~/.hermes/`
- SQLite DB: `~/.hermes/state.db` (WAL mode, read-only)
- Config: `~/.hermes/config.yaml`
- Memory: `~/.hermes/memories/MEMORY.md`, `~/.hermes/memories/USER.md`
- Sessions: `~/.hermes/sessions/session_*.json`
- Cron: `~/.hermes/cron/jobs.json`
- Logs: `~/.hermes/logs/errors.log`, `~/.hermes/logs/gateway.log`
- ACP: `hermes acp` subprocess (stdio JSON-RPC)
## Build
```bash
xcodebuild -project scarf/scarf.xcodeproj -scheme scarf -configuration Debug build
```
## Releases
Shipped via a single local script. **Never run manual `xcodebuild archive` / `notarytool` / `gh release create` steps — use the script so nothing is skipped or misordered.**
```bash
./scripts/release.sh <version> # full release: notarize → appcast → gh-pages → tag
./scripts/release.sh <version> --draft # draft: everything builds + notarizes, but appcast/tag are skipped
```
The script bumps version, archives Universal (arm64 + x86_64) + ARM64-only variants, signs with Developer ID, notarizes via `xcrun notarytool` (keychain profile `scarf-notary`), staples, EdDSA-signs the appcast entry with Sparkle's key, pushes the appcast to `gh-pages`, and creates a GitHub release with both zips attached. Draft mode stops after the release is uploaded so the current version stays "latest" until explicitly promoted.
**Release notes convention:** write them to `releases/v<version>/RELEASE_NOTES.md` BEFORE running the script — it's auto-included in the version-bump commit and used as the GitHub release body. If absent, a placeholder is used.
**Canonical prompts (any of these trigger the flow):**
- "Release v1.6.2" — full release
- "Release v1.6.2 as draft" — draft mode
- "Prepare v1.6.2 release notes from recent commits, then release" — generate notes first, then run
**Prerequisites (one-time, already set up on Alan's machine):** Developer ID Application cert in login Keychain (team `3Q6X2L86C4`), notarytool keychain profile `scarf-notary`, Sparkle EdDSA private key in Keychain item `https://sparkle-project.org`, `gh-pages` branch + GitHub Pages enabled. See the header of [scripts/release.sh](scripts/release.sh) and the Releases section in [README.md](README.md) for details.
## Hermes Version
Targets Hermes v0.9.0 (v2026.4.13). Log lines may carry an optional `[session_id]` tag between the level and logger name — `HermesLogService.parseLine` treats the session tag as an optional capture group, so older untagged lines still parse.
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# Contributing to Scarf
Thanks for your interest in contributing to Scarf.
## Getting Started
1. Fork and clone the repo
2. Open `scarf/scarf.xcodeproj` in Xcode 26.3+
3. Build and run (requires macOS 26.2+ and Hermes installed at `~/.hermes/`)
## Architecture
Scarf uses the MVVM-Feature pattern. Each feature is a self-contained module under `Features/`:
```
Features/FeatureName/
Views/ SwiftUI views
ViewModels/ @Observable view models
```
Rules:
- Features never import sibling features directly
- Cross-feature navigation goes through `AppCoordinator`
- Services in `Core/Services/` are shared across features
- Models in `Core/Models/` are plain structs
## Guidelines
- Keep it simple. Minimal dependencies, no over-engineering.
- No commented-out code, TODOs, or deferred functionality in PRs.
- All code must build with zero warnings.
- Follow existing patterns — look at how similar features are built before adding new ones.
- The app only reads from `~/.hermes/state.db` (never writes). Memory files are the exception.
- Swift 6 strict concurrency: `@MainActor` default isolation, `nonisolated` for service methods.
## Reporting Issues
Open an issue with:
- What you expected to happen
- What actually happened
- macOS version and Hermes version
- Steps to reproduce
## Pull Requests
- Open an issue first to discuss the change
- One feature or fix per PR
- Include a clear description of what changed and why
- Ensure the project builds with `xcodebuild -project scarf/scarf.xcodeproj -scheme scarf build`
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MIT License
Copyright (c) 2026 Alan Wizemann
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
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<p align="center">
<img src="icon.png" width="128" height="128" alt="Scarf app icon">
</p>
<h1 align="center">Scarf</h1>
<p align="center">
A native macOS companion app for the <a href="https://github.com/hermes-ai/hermes-agent">Hermes AI agent</a>.<br>
Full visibility into what Hermes is doing, when, and what it creates.
</p>
<p align="center">
<img src="https://img.shields.io/badge/macOS-14.6+%20Sonoma-blue" alt="macOS">
<img src="https://img.shields.io/badge/Swift-6-orange" alt="Swift">
<img src="https://img.shields.io/badge/license-MIT-green" alt="License">
<br><br>
<a href="https://www.buymeacoffee.com/awizemann"><img src="https://cdn.buymeacoffee.com/buttons/v2/default-yellow.png" alt="Buy Me a Coffee" height="28"></a>
</p>
## What's New in 2.0
- **Multi-server** — Manage multiple Hermes installations (local + any number of remotes) from one app. Each window binds to one server; open them side-by-side.
- **Remote Hermes over SSH** — Every feature that worked against your local `~/.hermes/` now works against a remote host. File I/O routes through `scp`/`sftp`; chat ACP runs over `ssh -T`; SQLite is served from atomic `.backup` snapshots pulled on file-watcher ticks.
- **Chat UX overhaul** — No more white-screen flash on first message, no more scroll jumping into whitespace during streaming, failed prompts explain themselves instead of silently spinning forever.
- **Correctness pass** — Fixed remote WAL error spam, stale-snapshot session resume, auto-resume of dead cron sessions, 230+ Swift 6 concurrency warnings.
See the full [v2.0.0 release notes](https://github.com/awizemann/scarf/releases/tag/v2.0.0).
### Previously, in 1.6
- **Platforms** — Native GUI setup for all 13 messaging platforms, no more hand-editing `.env`
- **Credential Pools** — Fixed OAuth flow and API-key handling; pick providers from a catalog
- **Model Picker** — Hierarchical browser backed by the 111-provider models.dev cache
- **Settings tabs** — 10 organized tabs covering ~60 previously hidden config fields
- **Configure sidebar** — Personalities, Quick Commands, Plugins, Webhooks, Profiles
See the [v1.6.0 release notes](https://github.com/awizemann/scarf/releases/tag/v1.6.0) for the full 1.6 series.
## Multi-server, one window per server
Scarf 2.0 is a multi-window app. Each window is bound to exactly one Hermes server — your local `~/.hermes/` is synthesized automatically, and you can add remotes via **File → Open Server…****Add Server** (host, user, port, optional identity file). Open a second window for a different server and the two run side-by-side with independent state.
Remote Hermes is reached over system SSH — the same `~/.ssh/config`, ssh-agent, ProxyJump, and ControlMaster pooling your terminal uses. File I/O flows through `scp`/`sftp`; SQLite is served from atomic `sqlite3 .backup` snapshots cached under `~/Library/Caches/scarf/snapshots/<server-id>/`; chat (ACP) tunnels as `ssh -T host -- hermes acp` with JSON-RPC over stdio end-to-end. Everything in the feature list below works against remote identically to local.
## Features
Scarf mirrors Hermes's surface area through a sidebar-based UI. Sections below map 1:1 to the app's sidebar.
### Monitor
- **Dashboard** — System health, token usage, cost tracking, recent sessions with live refresh
- **Insights** — Usage analytics with token breakdown (including reasoning tokens), cost tracking, model/platform stats, top tools bar chart, activity heatmaps, notable sessions, and time period filtering (7/30/90 days or all time)
- **Sessions Browser** — Full conversation history with message rendering, model reasoning/thinking display, tool call inspection, full-text search, rename, delete, and JSONL export. Subagent sessions are filtered from the main list and accessible via parent session drill-down
- **Activity Feed** — Recent tool execution log with filtering by kind and session, detail inspector with pretty-printed arguments and tool output display
### Interact
- **Live Chat** — Two modes: **Rich Chat** streams responses in real-time via the Agent Client Protocol (ACP) with iMessage-style bubbles, markdown rendering, tool call visualization, thinking/reasoning display, permission request dialogs, and a one-click `/compress` focus sheet (when Hermes advertises the command); **Terminal** runs `hermes chat` with full ANSI color and Rich formatting via [SwiftTerm](https://github.com/migueldeicaza/SwiftTerm). Both modes support session persistence, resume/continue previous sessions, auto-reconnection with session recovery, and voice mode controls
- **Memory Viewer/Editor** — View and edit Hermes's MEMORY.md and USER.md with live file-watcher refresh, external memory provider awareness (Honcho, Supermemory, etc.), and profile-scoped memory support with profile picker
- **Skills Browser** — Browse installed skills by category with file content viewer and required config warnings. **New in 1.6:** Browse the Skills Hub, search by registry (official, skills.sh, well-known, GitHub, ClawHub, LobeHub), install, check for updates, and uninstall — all from the app
### Configure *(new in 1.6)*
- **Platforms** — Native GUI setup for all 13 messaging platforms (Telegram, Discord, Slack, WhatsApp, Signal, Email, Matrix, Mattermost, Feishu, iMessage, Home Assistant, Webhook, CLI). Per-platform forms write credentials to `~/.hermes/.env` and behavior toggles to `~/.hermes/config.yaml`. WhatsApp and Signal pairing use an inline SwiftTerm terminal for QR scan and signal-cli daemon management
- **Personalities** — List defined personalities, pick the active one, and edit `SOUL.md` inline with markdown preview
- **Quick Commands** — Editor for custom `/command_name` shell shortcuts with dangerous-pattern detection (`rm -rf`, `mkfs`, etc.)
- **Credential Pools** — Per-provider credential rotation with a fixed OAuth flow (URL extraction + browser open + code paste) and proper `--type api-key` handling. API keys never stored in UI state — only last-4 preview. Strategy picker (fill_first / round_robin / least_used / random)
- **Plugins** — Install via Git URL or `owner/repo`, update, remove, enable/disable. Reads `~/.hermes/plugins/` directly for reliable state
- **Webhooks** — Create, list, test-fire, and remove webhook subscriptions. Detects the "platform not enabled" state and links to gateway setup
- **Profiles** — Switch between multiple isolated Hermes instances. Create, rename, delete, export (zip), import. Safe-switch warning reminds users to restart Scarf after activating a different profile
### Manage
- **Tools** — Enable/disable toolsets per platform with a connectivity-aware platform menu (green/orange/grey/red dots for connected/configured/offline/error). **Fixed in 1.6:** all 13 platforms now appear (was previously stuck on CLI)
- **MCP Servers** — Manage Model Context Protocol servers Hermes connects to. Add via curated presets (GitHub, Linear, Notion, Sentry, Stripe, and more) or fully custom (stdio command + args, or HTTP URL with optional bearer auth). Per-server detail view with enable/disable toggle, environment variable + header editor, tool-include/exclude filters, resources/prompts toggles, request and connect timeouts, OAuth token detection + clearing, and one-click "Test Connection" that runs `hermes mcp test` and surfaces the discovered tool list. Gateway-restart banner appears after config changes that require a reload
- **Gateway Control** — Start/stop/restart the messaging gateway, view platform connection status, manage user pairing (approve/revoke)
- **Cron Manager** — View scheduled jobs with pre-run scripts, delivery failure tracking, timeout info, and `[SILENT]` job indicators. **New in 1.6:** full write support — create, edit, pause, resume, run-now, and delete jobs from the app
- **Health** — Component-level status and diagnostics. **New in 1.6:** inline "Run Dump" and "Share Debug Report" buttons (the latter with an upload-confirmation dialog before sending to Nous support)
- **Log Viewer** — Real-time log tailing for agent.log, errors.log, and gateway.log with level filtering, component filter (Gateway / Agent / Tools / CLI / Cron), clickable session-ID pills that filter to a single session, and text search
- **Settings** — **Restructured in 1.6** into a 10-tab layout: General, Display, Agent, Terminal, Browser, Voice, Memory, Aux Models, Security, Advanced. Exposes ~60 previously hidden config fields including all 8 auxiliary model tasks, container limits, full TTS/STT provider settings, human-delay simulation, compression thresholds, logging rotation, checkpoints, website blocklist, Tirith sandbox, and delegation. One-click **Backup & Restore** via `hermes backup` / `hermes import`. Model picker replaces the old free-text model field, backed by the models.dev cache (111 providers, all major models) with a "Custom…" escape hatch
### Project Dashboards
Custom, agent-generated dashboards for any project. Define stat boxes, charts, tables, progress bars, checklists, rich text, and embedded web views in a simple JSON file — Scarf renders them with live refresh. Let your Hermes agent build and maintain project-specific visualizations automatically. See [Project Dashboards](#project-dashboards-1) below for the full schema.
### System
- **Hermes Process Control** — Start, stop, and restart the Hermes agent directly from Scarf
- **Menu Bar** — Status icon showing Hermes running state with quick actions
## Requirements
- macOS 14.6+ (Sonoma)
- Xcode 16.0+
- [Hermes agent](https://github.com/hermes-ai/hermes-agent) v0.6.0+ installed at `~/.hermes/` on each target host (v0.9.0+ recommended for full feature support)
- For remote servers: SSH access (key-based), `sqlite3` on the remote (for atomic DB snapshots), and the `hermes` CLI resolvable from the remote user's `PATH` or at a path you specify per server.
### Compatibility
Scarf reads Hermes's SQLite database and parses CLI output from `hermes status`, `hermes doctor`, `hermes tools`, `hermes sessions`, `hermes gateway`, and `hermes pairing`. Automatic schema detection provides backward compatibility with older databases while supporting new features in newer Hermes versions.
| Hermes Version | Status |
|----------------|--------|
| v0.6.0 (2026-03-30) | Verified |
| v0.7.0 (2026-04-03) | Verified |
| v0.8.0 (2026-04-08) | Verified |
| v0.9.0 (2026-04-13) | Verified |
| v0.10.0 (2026-04-18) | Verified (recommended for full 2.0 feature support) |
Scarf 2.0 targets Hermes v0.10.0 for the ACP session/fork/list/resume capabilities used by remote chat. Earlier Hermes versions remain supported for monitoring, sessions, and file-based features; ACP-specific behavior may gracefully degrade on older agents.
If a Hermes update changes the database schema or CLI output format, Scarf may need to be updated. Check the [Health](#features) view for compatibility warnings.
## Install
### Pre-built Binary (no Xcode required)
Download the latest build from [Releases](https://github.com/awizemann/scarf/releases):
- `Scarf-vX.X.X-Universal.zip` — Apple Silicon + Intel (recommended)
- `Scarf-vX.X.X-ARM64.zip` — Apple Silicon only (smaller download)
1. Unzip and drag **Scarf.app** to Applications
2. Launch normally — builds are Developer ID signed and notarized, so Gatekeeper accepts them on first launch
Scarf checks for updates automatically on launch via [Sparkle](https://sparkle-project.org) and daily thereafter. You can disable automatic checks or trigger a manual check from **Settings → General → Updates** or the menu bar icon.
### Build from Source
```bash
git clone https://github.com/awizemann/scarf.git
cd scarf/scarf
open scarf.xcodeproj
```
Or from the command line:
```bash
xcodebuild -project scarf/scarf.xcodeproj -scheme scarf -configuration Release -arch arm64 -arch x86_64 ONLY_ACTIVE_ARCH=NO build
```
## Architecture
Scarf follows the **MVVM-Feature** pattern with zero external dependencies beyond SwiftTerm:
```
scarf/
Core/
Models/ Plain data structs (HermesSession, HermesMessage, HermesConfig, etc.)
Services/ Data access (SQLite reader, file I/O, log tailing, file watcher)
Features/ Self-contained feature modules
Dashboard/ System overview and stats
Insights/ Usage analytics and activity patterns
Sessions/ Conversation browser with rename, delete, export
Activity/ Tool execution feed with inspector
Projects/ Agent-generated project dashboards with widget rendering
Chat/ Rich ACP chat and embedded terminal with voice controls
Memory/ Memory viewer and editor
Skills/ Skill browser by category
Tools/ Toolset management per platform
MCPServers/ MCP server registry, presets, OAuth, tool filters, test runner
Gateway/ Messaging gateway control and pairing
Cron/ Scheduled job viewer
Logs/ Real-time log viewer
Settings/ Structured config editor
Navigation/ AppCoordinator + SidebarView
```
### Data Sources
Scarf reads Hermes data directly from `~/.hermes/`:
| Source | Format | Access |
|--------|--------|--------|
| `state.db` | SQLite (WAL mode) | Read-only |
| `config.yaml` | YAML | Read-only |
| `memories/*.md` | Markdown | Read/Write |
| `cron/jobs.json` | JSON | Read-only |
| `logs/*.log` | Text | Read-only |
| `gateway_state.json` | JSON | Read-only |
| `skills/` | Directory tree | Read-only |
| `hermes acp` | ACP subprocess (JSON-RPC stdio) | Real-time chat |
| `hermes chat` | Terminal subprocess | Interactive |
| `hermes tools` | CLI commands | Enable/Disable |
| `hermes sessions` | CLI commands | Rename/Delete/Export |
| `hermes gateway` | CLI commands | Start/Stop/Restart |
| `hermes pairing` | CLI commands | Approve/Revoke |
| `hermes mcp` | CLI commands | Add/Remove/Test MCP servers |
| `mcp-tokens/*.json` | JSON (per-server OAuth) | Detect/Delete |
| `.scarf/dashboard.json` | JSON (per-project) | Read-only |
| `scarf/projects.json` | JSON (registry) | Read/Write |
The app opens `state.db` in read-only mode to avoid WAL contention with Hermes. Management actions (tool toggles, session rename/delete/export) go through the Hermes CLI.
### Dependencies
| Package | Purpose |
|---------|---------|
| [SwiftTerm](https://github.com/migueldeicaza/SwiftTerm) | Terminal emulator for the Chat feature |
| [Sparkle](https://github.com/sparkle-project/Sparkle) | Auto-updates from the GitHub-hosted appcast |
Everything else uses system frameworks: SQLite3 C API, Foundation JSON, AttributedString markdown, SwiftUI Charts, GCD file watching.
## How It Works
Scarf watches `~/.hermes/` for file changes and queries the SQLite database for sessions, messages, and analytics. Views refresh automatically when Hermes writes new data.
The Chat tab has two modes. **Rich Chat** communicates with Hermes via the Agent Client Protocol (ACP) — a JSON-RPC connection over stdio — streaming responses in real-time with automatic reconnection and session recovery on connection loss. **Terminal** mode spawns `hermes chat` in a pseudo-terminal for the full interactive CLI experience with proper ANSI rendering. Sessions persist across navigation in both modes — switch tabs and come back without losing your conversation.
Management actions (renaming sessions, toggling tools, editing memory) call the Hermes CLI or write directly to the appropriate files, keeping Scarf and Hermes in sync.
The app sandbox is disabled because Scarf needs direct access to `~/.hermes/` and the ability to spawn the Hermes binary.
## Project Dashboards
Project Dashboards turn Scarf into a customizable monitoring hub for all your projects. You define a simple JSON file in your project folder describing what to display — stat boxes, charts, tables, progress bars, checklists, rich text, and embedded web views — and Scarf renders it as a live-updating dashboard. Your Hermes agent can generate and maintain these dashboards automatically.
### What You Can Build
- **Development dashboards** — test coverage, build status, open issues, sprint progress
- **Data project trackers** — pipeline metrics, data quality scores, processing throughput
- **Deployment monitors** — deploy history tables, uptime stats, error rate charts
- **Research dashboards** — experiment results, key findings, paper status checklists
- **Agent activity views** — cron job results, content generation stats, task completion rates
- **Embedded web apps** — local dev servers, HTML reports, Grafana dashboards, any web-based tool your agent generates
- **Any project status** — if your agent can measure it, Scarf can display it
### Quick Start
**1. Create the dashboard file**
Create `.scarf/dashboard.json` in any project folder:
```json
{
"version": 1,
"title": "My Project",
"description": "Project status at a glance",
"sections": [
{
"title": "Overview",
"columns": 3,
"widgets": [
{
"type": "stat",
"title": "Test Coverage",
"value": "87%",
"icon": "checkmark.shield",
"color": "green",
"subtitle": "+2.1% this week"
},
{
"type": "progress",
"title": "Sprint Progress",
"value": 0.73,
"label": "73% complete",
"color": "blue"
},
{
"type": "list",
"title": "Tasks",
"items": [
{ "text": "Write unit tests", "status": "done" },
{ "text": "Update API docs", "status": "active" },
{ "text": "Deploy to prod", "status": "pending" }
]
}
]
}
]
}
```
**2. Register your project**
In Scarf, go to **Projects** in the sidebar and click the **+** button to add your project folder. Or have your agent add it directly to the registry at `~/.hermes/scarf/projects.json`:
```json
{
"projects": [
{ "name": "my-project", "path": "/Users/you/Developer/my-project" }
]
}
```
**3. View in Scarf**
Select your project in the Projects sidebar — the dashboard renders immediately. Scarf watches the file for changes and refreshes automatically whenever the JSON is updated.
### Widget Types
| Type | Description | Key Fields |
|------|-------------|------------|
| `stat` | Key metric with large value display | `value`, `icon`, `color`, `subtitle` |
| `progress` | Progress bar with label | `value` (0.01.0), `label`, `color` |
| `text` | Rich text block | `content`, `format` ("markdown" or "plain") |
| `table` | Data table with headers | `columns`, `rows` |
| `chart` | Line, bar, or pie chart | `chartType`, `series` (each with `name`, `color`, `data`) |
| `list` | Checklist with status indicators | `items` (each with `text`, `status`: done/active/pending) |
| `webview` | Embedded web browser | `url`, `height` (default 400) |
The `webview` widget embeds a live web browser directly in your dashboard — perfect for displaying local dev servers, HTML reports, or any web-based tool your agent generates.
When a dashboard includes a webview widget, Scarf adds a tabbed interface: **Dashboard** shows your normal widgets, **Site** shows the web content full-canvas with clean margins — using the entire available space in the app. This gives you the best of both worlds: compact metrics at a glance, and a full embedded browser when you need it.
```json
{
"type": "webview",
"title": "Project Report",
"url": "http://localhost:8000/dashboard",
"height": 500
}
```
- `url`: Any URL — typically a local server (`http://localhost:...`) or file path
- `height`: Height in points when displayed as an inline widget card (default: 400). The Site tab always uses full available space regardless of this setting.
**Colors**: red, orange, yellow, green, blue, purple, pink, teal, indigo, mint, brown, gray
**Icons**: Any [SF Symbol](https://developer.apple.com/sf-symbols/) name (e.g., `checkmark.shield`, `cpu`, `doc.text`, `chart.bar`)
### Agent-Generated Dashboards
The real power is letting your Hermes agent build and update dashboards automatically. Add instructions like this to your agent's context:
> Analyze this project and create a `.scarf/dashboard.json` dashboard with relevant metrics and status. Use stat widgets for key numbers, charts for trends, tables for structured data, lists for task tracking, and a webview widget if the project has a local web server or HTML reports. Register the project in `~/.hermes/scarf/projects.json` if not already registered.
Your agent can update the dashboard as part of cron jobs, after builds, or whenever project state changes. Since Scarf watches the file, updates appear in real-time.
### Dashboard Schema Reference
```json
{
"version": 1,
"title": "Required — dashboard title",
"description": "Optional — subtitle text",
"updatedAt": "Optional — ISO 8601 timestamp",
"sections": [
{
"title": "Section Name",
"columns": 3,
"widgets": [{ "type": "...", "title": "..." }]
}
]
}
```
Each section defines a grid with 14 columns. Widgets flow left-to-right, wrapping to new rows. See [DASHBOARD_SCHEMA.md](scarf/docs/DASHBOARD_SCHEMA.md) for the full schema reference with examples of every widget type.
## Releases
Scarf ships through GitHub releases — the App Store is not supported because Scarf spawns the user-installed `hermes` binary and reads `~/.hermes/` directly, both of which App Sandbox forbids.
Each release goes through a single local script: [scripts/release.sh](scripts/release.sh). The script archives a universal binary, signs it with the Developer ID Application cert, submits to `notarytool`, staples the ticket, produces the distribution zip, signs an appcast entry with Sparkle's EdDSA key, pushes an updated `appcast.xml` to the `gh-pages` branch, creates the GitHub release, and tags `main`.
The Sparkle appcast is served from [awizemann.github.io/scarf/appcast.xml](https://awizemann.github.io/scarf/appcast.xml).
Signing prerequisites (one-time):
- `Developer ID Application` certificate in the login Keychain
- `scarf-notary` keychain profile registered via `xcrun notarytool store-credentials`
- Sparkle EdDSA private key in Keychain item `https://sparkle-project.org` (back this up — without it, shipped apps can never receive updates)
## Contributing
Contributions are welcome. Please open an issue to discuss what you'd like to change before submitting a PR.
1. Fork the repo
2. Create your feature branch (`git checkout -b feature/my-feature`)
3. Commit your changes (`git commit -m 'Add my feature'`)
4. Push to the branch (`git push origin feature/my-feature`)
5. Open a Pull Request
## Support
If you find Scarf useful, consider buying me a coffee.
<a href="https://www.buymeacoffee.com/awizemann"><img src="https://cdn.buymeacoffee.com/buttons/v2/default-yellow.png" alt="Buy Me a Coffee" height="40"></a>
## License
[MIT](LICENSE)
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}
const target = theme === 'dark' ? img.dataset.darkSrc : img.dataset.lightSrc;
if (img.getAttribute('src') !== target) img.setAttribute('src', target);
const picture = img.parentElement;
if (picture && picture.tagName === 'PICTURE') {
picture.querySelectorAll('source').forEach((s) => {
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}
// Hydrate stored preference (if any) — runs after DOMContentLoaded since
// the <script> is deferred. There's a brief moment of media-query default
// before hydrate; that's acceptable here (no FOUC because the media query
// already gets the right colors and the first images render at light by
// default — JS swaps within a frame on dark-mode systems).
let stored = null;
try {
stored = localStorage.getItem(STORAGE_KEY);
if (stored === 'light' || stored === 'dark') applyTheme(stored);
else applyImageTheme(); // initial pass even if no stored preference
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let next;
if (current === 'light') next = 'dark';
else if (current === 'dark') next = null;
else next = prefersDark ? 'light' : 'dark';
applyTheme(next);
try {
if (next) localStorage.setItem(STORAGE_KEY, next);
else localStorage.removeItem(STORAGE_KEY);
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// Re-apply on system preference change so users who haven't set an
// explicit override still get matching screenshots.
if (window.matchMedia) {
const mql = window.matchMedia('(prefers-color-scheme: dark)');
const onChange = () => {
if (!root.hasAttribute('data-theme')) applyImageTheme();
};
if (mql.addEventListener) mql.addEventListener('change', onChange);
else if (mql.addListener) mql.addListener(onChange);
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// Auto-collapse sticky header on scroll-down, restore on scroll-up.
const header = document.querySelector('.site-header');
if (header) {
let lastY = window.scrollY;
let ticking = false;
window.addEventListener('scroll', () => {
if (ticking) return;
window.requestAnimationFrame(() => {
const y = window.scrollY;
if (y > 80 && y > lastY) header.style.transform = 'translateY(-100%)';
else header.style.transform = '';
lastY = y;
ticking = false;
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ticking = true;
}, { passive: true });
header.style.transition = 'transform 0.25s ease';
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})();
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<?xml version="1.0" encoding="utf-8"?>
<rss version="2.0" xmlns:sparkle="http://www.andymatuschak.org/xml-namespaces/sparkle">
<channel>
<title>Scarf Updates</title>
<link>https://awizemann.github.io/scarf/appcast.xml</link>
<description>Scarf macOS app updates</description>
<language>en</language>
<item>
<title>Version 2.8.0</title>
<sparkle:version>35</sparkle:version>
<sparkle:shortVersionString>2.8.0</sparkle:shortVersionString>
<sparkle:minimumSystemVersion>14.6</sparkle:minimumSystemVersion>
<pubDate>Sat, 09 May 2026 19:02:51 +0000</pubDate>
<description><![CDATA[
<!DOCTYPE html><html><head><meta charset="utf-8"><style>body {
font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
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font-weight: 600;
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}
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border: none;
border-top: 1px solid #e5e5e7;
margin: 16px 0;
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strong { color: #1d1d1f; }
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</style></head><body>
<h2>What&#x27;s in 2.8.0</h2>
<p>A coordinated catch-up release adopting Hermes v0.13.0 (v2026.5.7) — &quot;The Tenacity Release&quot; — across Scarf&#x27;s full surface area. v2.8.0 ships <strong>Persistent Goals</strong>, <strong>ACP <code>/queue</code></strong>, <strong>Kanban diagnostics + recovery UX</strong>, <strong>Curator archive/prune</strong>, <strong>Google Chat (20th platform) + cross-platform allowlists</strong>, a refreshed <strong>provider catalog</strong> with five new models, and a slate of settings + UX polish — all behind capability flags so pre-v0.13 hosts continue to render the v2.7.5 surface unchanged.</p>
<p>No data migrations, no schema changes. <code>~/.hermes/state.db</code> columns are unchanged from v0.11/v0.12. Existing <code>~/.hermes/scarf/</code> sidecars are untouched. Sparkle picks the update up automatically.</p>
<h3>New features</h3>
<h4>Persistent Goals + ACP <code>/queue</code> (chat)</h4>
<ul>
<li><strong><code>/goal &lt;text&gt;</code> slash command</strong> — locks the agent on a target that persists across turns. Surfaced via the chat slash menu (gated on <code>HermesCapabilities.hasGoals</code>) and rendered as an <code>info</code>-tinted &quot;Goal locked: …&quot; pill in the chat header. The pill exposes a &quot;Clear goal&quot; context-menu item that dispatches <code>/goal --clear</code>. Optimistic local mirror — Hermes is the authoritative owner; Scarf paints the pill the moment the user sends <code>/goal …</code> so the affordance feels instant.</li>
<li><strong><code>/queue &lt;text&gt;</code> slash command</strong> — queues a prompt to run after the current turn completes. Joins <code>/steer</code> and <code>/goal</code> in <code>RichChatViewModel.nonInterruptiveCommands</code> (the chat keeps &quot;Agent working…&quot; off when sent). A header chip shows the queued count; tap opens a popover listing prompts + relative timestamps. Per-entry deletion isn&#x27;t exposed (Hermes has no remove-by-id verb), and the popover header makes that explicit so users understand the local mirror&#x27;s role.</li>
<li><strong><code>/steer</code> on idle</strong> — pre-v0.13 was a no-op when no turn was in flight; v0.13 runs it as a regular prompt. The composer&#x27;s slash button now greys <code>/steer</code> only on pre-v0.13 hosts (gated on <code>hasACPSteerOnIdle</code>).</li>
<li><strong>Static slash-menu fallbacks</strong> — pre-session, the menu surfaces <code>/new</code> (with optional <code>[&lt;name&gt;]</code> argument hint on v0.13). Active-session-only fallbacks (<code>/clear</code>, <code>/compact</code>, <code>/cost</code>, <code>/model</code>, <code>/tools</code>, <code>/reload-skills</code>, <code>/help</code>, <code>/exit</code>) round out resumed sessions where Hermes ACP doesn&#x27;t re-emit <code>available_commands_update</code> after <code>session/load</code>. Deduped against the ACP-advertised set so the canonical entry always wins once a session opens.</li>
</ul>
<h4>Kanban v0.13 diagnostics + recovery UX</h4>
<ul>
<li><strong>Hallucination-gate verify / reject</strong> — worker-created cards land with <code>hallucination_gate_status: pending</code>. The inspector renders a yellow banner (&quot;Created by a worker — verify before running&quot;) with a Verify and Reject button. Cards in pending state dim 0.6 with a yellow ⚠ glyph in the title row.</li>
<li><strong>Diagnostics rendering</strong> — new typed-mirror enum <code>KanbanDiagnosticKind</code> with severity (info / warning / critical). Per-task and per-run diagnostics surface in the inspector Runs tab as chip-lists; auto-block reasons render verbatim in the existing red banner. Darwin zombie detections show as a distinct <code>darwin_zombie_detected</code> kind.</li>
<li><strong>Per-task <code>max_retries</code></strong> — added to the create sheet (default 3) and shown as a header chip in the inspector. Write-once at create time, matching Hermes&#x27;s pattern.</li>
<li><strong>Multiline title/body</strong> — the create sheet&#x27;s Title field accepts multiline input, capped to four visible rows.</li>
<li><strong>Tolerant decoding</strong> — every new field uses <code>decodeIfPresent</code>. Pre-v0.13 JSON parses cleanly with the new fields defaulting to nil, and the v2.7.5 board surface is unchanged on older hosts.</li>
</ul>
<h4>Curator archive + prune</h4>
<ul>
<li><strong>Archived skills section</strong> in <code>CuratorView</code> showing <code>hermes curator list-archived</code> output. Each row exposes Restore (returns to the active leaderboard) and Prune (destructive — opens a custom confirm sheet matching the template-uninstall pattern, with <code>ScarfDestructiveButton</code> &quot;Prune permanently&quot; and Cancel as the default keyboard action).</li>
<li><strong>Bulk prune</strong> — a header action (gated on archived list non-empty) that enumerates every archived skill in the confirm sheet before a single-tap destructive action. Per-skill prune buttons are present per row when Hermes supports <code>prune &lt;name&gt;</code>; otherwise only the bulk action is exposed.</li>
<li><strong>Synchronous &quot;Run Now&quot;</strong> — v0.13 <code>hermes curator run</code> blocks until done. The Run Now button shows a progress affordance for the duration; pre-v0.13 falls back to fire-and-forget.</li>
<li><strong>New <code>CuratorService</code> actor</strong> in ScarfCore (<a href="scarf/Packages/ScarfCore/Sources/ScarfCore/Services/CuratorService.swift">scarf/Packages/ScarfCore/Sources/ScarfCore/Services/CuratorService.swift</a>) — pure-I/O Sendable actor mirroring <code>KanbanService</code>&#x27;s shape, with defensive <code>--json</code> retry-without-flag fallback for verbs that may not support it on all v0.13 patch releases.</li>
<li>The legacy <code>CuratorRestoreSheet</code> flow (SAFE-list-restore for v0.12) is preserved; it predates the v0.13 archive surface and serves a distinct case.</li>
</ul>
<h4>Messaging Gateway expansion</h4>
<ul>
<li><strong>Google Chat</strong> — 20th platform. New entry in the Mac Platforms tab, gated on <code>HermesCapabilities.hasGoogleChatPlatform</code>.</li>
<li><strong>Cross-platform allowlists</strong> — per-platform editor for <code>allowed_channels</code> (Slack / Mattermost / Google Chat), <code>allowed_chats</code> (Telegram / WhatsApp), and <code>allowed_rooms</code> (Matrix / DingTalk). New <code>AllowlistEditor</code> component plus the <code>GatewayAllowlistKind</code> / <code>GatewayPlatformSettings</code> ScarfCore types. Persisted to <code>~/.hermes/config.yaml</code> via a new <code>GatewayConfigWriter</code> since <code>hermes config set</code> doesn&#x27;t write list blocks.</li>
<li><strong>Per-platform behavior toggles</strong> — <code>busy_ack_enabled</code> (suppress per-message &quot;agent is working…&quot; acks), <code>gateway_restart_notification</code> (post a &quot;Gateway restarted&quot; notice on boot), and a slash-command auto-delete TTL (seconds, 0 to disable). Each appears in the new <code>GatewayBehaviorSection</code> component.</li>
<li><strong><code>hermes gateway list</code> cross-profile digest</strong> — inline status row in <code>MessagingGatewayView</code> showing which profile is running which platform across all profiles. New <code>HermesGatewayListService</code> actor parses <code>hermes gateway list --json</code>. Hidden when the verb fails (pre-v0.13 hosts) or no profiles are registered.</li>
<li><strong><code>MessagingGatewayViewModel</code></strong> — internal rename from <code>GatewayViewModel</code> to disambiguate from the v0.10 Tool Gateway feature. The user-facing label was already &quot;Messaging Gateway&quot; since v0.10.</li>
<li><strong><code>[[as_document]]</code> hint</strong> — informational tooltip in skill detail surfaces explaining the new media-routing directive for skills that reference it.</li>
</ul>
<h4>Provider catalog refresh</h4>
<ul>
<li><strong>Five new models</strong> — <code>deepseek/deepseek-v4-pro</code>, <code>x-ai/grok-4.3</code>, <code>openrouter/owl-alpha</code> (free tier), <code>tencent/hy3-preview</code>, and <code>arcee/trinity-large-thinking</code> (with temperature + compression overrides). Surfaced through <code>models_dev_cache.json</code>; no manual entries required.</li>
<li><strong>Grok rename</strong> — <code>x-ai/grok-4.20-beta</code> → <code>x-ai/grok-4.20</code>. Implemented via read-time alias resolution in <code>ModelCatalogService.modelAliases</code> so existing user configs with the <code>-beta</code> suffix keep validating without YAML rewrites. Three composite-keyed aliases cover the openrouter / xai / vercel routes.</li>
<li><strong>Vercel AI Gateway demoted</strong> — sort comparator change in <code>loadProviders()</code> puts Vercel last, after the alphabetical group.</li>
<li><strong><code>image_gen.model</code> honored</strong> — pre-v0.13 the key was advertised but ignored; v0.13 actually drives the image-generation path. Surfaced in <code>Settings → Auxiliary</code> with a curated picker (<code>OpenAI gpt-image-1</code>, <code>Imagen 3/4</code>, <code>Stable Image Ultra</code>, <code>FLUX 1.1 Pro</code>, <code>DALL·E 3</code>); free-form entry is also accepted. Gated on <code>hasImageGenModel</code>.</li>
<li><strong>OpenRouter response caching</strong> — toggle in <code>Settings → Auxiliary</code> writing <code>openrouter.response_cache.enabled</code> to <code>config.yaml</code>. Off by default in Scarf&#x27;s parser. Gated on <code>hasOpenRouterResponseCache</code>.</li>
</ul>
<h4>Settings tab additions</h4>
<ul>
<li><strong>MCP SSE transport</strong> — MCP add-server flow gains a Transport picker (<code>stdio</code> / <code>http</code> / <code>sse</code>) with <code>sse_read_timeout</code> field for SSE servers. The YAML round-trip preserves OAuth + headers identically to the existing <code>.http</code> shape. Gated on <code>hasMCPSSETransport</code>.</li>
<li><strong>Cron <code>--no-agent</code> watchdog mode</strong> — toggle in the Cron edit sheet that maps to <code>hermes cron create/update --no-agent</code>. When ON, the prompt + context fields hide (the AI call is skipped). Defensive write-path strips the flag on pre-v0.13 hosts mirroring the <code>--workdir</code> pattern. New <code>HermesCronJob.noAgent: Bool</code> field with <code>decodeIfPresent</code> so pre-v0.13 reads keep parsing. Gated on <code>hasCronNoAgent</code>.</li>
<li><strong>Web Tools per-capability backends</strong> — new <code>Settings → Web Tools</code> tab with separate pickers for <code>web_search</code> and <code>web_extract</code>. SearXNG appears in the search picker only. The legacy single <code>web_tools.backend</code> is still readable for round-trip safety on mixed-version installs. Gated on <code>hasWebToolsBackendSplit</code>.</li>
<li><strong>Profiles <code>--no-skills</code></strong> — &quot;Empty profile (no skills)&quot; toggle in the create-profile flow that appends <code>--no-skills</code> to <code>hermes profile create</code>. Disabled when &quot;Clone all&quot; is on (mutually exclusive). Gated on <code>hasProfileNoSkills</code>.</li>
</ul>
<h4>UX polish</h4>
<ul>
<li><strong>Context compression count</strong> in the chat status bar. v0.13 emits the count alongside the token tally on the <code>session/prompt</code> response; Scarf renders a <code>🗜 ×N</code> chip next to the token count when <code>count &gt; 0</code>. Gated on <code>hasContextCompressionCount</code>.</li>
<li><strong><code>/new &lt;name&gt;</code> argument hint</strong> — bracket-aware so v0.13 hosts show <code>[&lt;name&gt;]</code> and pre-v0.13 hosts show no hint.</li>
<li><strong><code>HermesUpdaterCommandBuilder</code></strong> — forward-compat plumbing for <code>hermes update --yes</code>. No in-app surface in v2.8.0 (Scarf doesn&#x27;t currently expose a &quot;Run hermes update&quot; command); the builder is wired so a future Settings affordance can opt in cleanly.</li>
<li><strong>Redaction default-flip awareness</strong> — the existing <code>Settings → Advanced → Redaction</code> toggle hint copy now branches on <code>HermesCapabilities.isV013OrLater</code>. v0.13+ hosts read &quot;Recommended: ON. Hermes v0.13 defaults to redacting secrets unless you opt out&quot;; pre-v0.13 keeps the v2.7 hint.</li>
<li><strong><code>display.language</code> picker</strong> — new <code>Settings → General → Locale</code> row. 8 options: default, zh, ja, de, es, fr, uk, tr. Hermes does the actual translation; Scarf just persists <code>display.language</code> to <code>config.yaml</code>. Gated on <code>hasDisplayLanguage</code>.</li>
<li><strong>xAI Custom Voices badge</strong> — <code>Settings → Voice</code> shows a &quot;Cloning supported&quot; <code>ScarfBadge</code> next to the xAI TTS provider entry. Informational only; voice management itself happens via <code>hermes voice</code> CLI. Gated on <code>hasXAIVoiceCloning</code>.</li>
</ul>
<h4>ScarfGo iOS catch-up (read-only)</h4>
<p>Following the Phase H precedent, iOS mirrors selected v2.8 surfaces as read-only — write parity is deferred to v2.8.x.</p>
<ul>
<li><strong>Goal pill + queue chip</strong> in the iOS chat header (<code>projectContextBar</code>). Tap is a no-op; the Mac app owns mutations.</li>
<li><strong>Kanban v0.13 diagnostics</strong> in <code>ScarfGoKanbanDetailSheet</code> — <code>retries: N</code> chip, &quot;Worker-created — verify on Mac&quot; hallucination badge, red <code>auto_blocked_reason</code> banner, tappable diagnostics chip-lists with severity-tinted badges and a new <code>DiagnosticDetailSheet</code> (replacing Mac&#x27;s <code>.help()</code> tooltip on touch).</li>
<li><strong>Curator Archived list</strong> in <code>Scarf iOS/Curator/CuratorView.swift</code> — read-only, with footer pointing users to the Mac app for Restore / Prune actions.</li>
<li><strong>Settings → Platforms extension</strong> — Google Chat status row, busy-ack and restart-notification summary rows across <code>gatewayPlatforms</code> (handles disagreement with &quot;mixed (N platforms)&quot;), allowlist DisclosureGroups with monospaced &quot;platform: id&quot; entries when expanded.</li>
<li><strong>&quot;v0.13 features active&quot; badge</strong> in iOS Settings (gated on <code>caps.isV013OrLater</code>). Tap presents <code>V013FeaturesSheet</code> listing the new affordances.</li>
</ul>
<h3>Capability gating</h3>
<p>v2.8.0 adds 22 new flags on <code>HermesCapabilities</code> (each gating one v0.13 surface), plus an <code>isV013OrLater</code> convenience predicate. Every new affordance is gated; pre-v0.13 hosts see the v2.7.5 surface byte-identical to before. The HermesVersionBanner threshold remains pre-v0.12 — v0.12 → v0.13 nudging happens via the iOS Settings badge (positive surface) rather than a global yellow banner (which was reserved for &quot;missing every new feature&quot; cases).</p>
<h3>Bug fixes uncovered during v0.13.0 dogfooding</h3>
<ul>
<li><strong>Dashboard flicker on v0.13 hosts</strong> — Hermes v0.13 writes to <code>state.db-wal</code> and rotating logs at ~10 Hz during gateway activity. Each FSEvents fire ticked <code>lastChangeDate</code>, every observing view re-fired its load handler against it, and on Local hosts the dashboard stacked 5+ concurrent <code>dashboardSnapshot</code> calls in 200 ms — sqlite contention on the read-only handle surfaced as <code>BackendError error 3</code>, plus visible flicker. Two-part fix: <code>HermesFileWatcher.scheduleCoalescedTick</code> coalesces FSEvents into one observable mutation per 500 ms quiet window with a 1.5 s max-wait floor (so a coincident <code>gateway_state.json</code> Start/Stop touch can&#x27;t be starved indefinitely under sustained WAL writes); <code>DashboardViewModel.load()</code> holds a single in-flight <code>Task&lt;Void, Never&gt;</code> handle so concurrent triggers await the in-flight load instead of stacking.</li>
<li><strong>Sparse slash menu on resumed sessions</strong> — Hermes ACP only emits <code>available_commands_update</code> after <code>session/new</code>, not after <code>session/load</code>. Combined with <code>RichChatViewModel.reset()</code> clearing <code>acpCommands</code> on every session switch, resumed sessions landed at a 4-command fallback even though the agent identity hadn&#x27;t changed. Fix: stop wiping <code>acpCommands</code> in <code>reset()</code> (they&#x27;re agent-level, not session-level), and add an active-session-only static fallback set covering the standard agent commands so cold-start LOAD users see a rich menu immediately.</li>
</ul>
<h3>Migrating from 2.7.5</h3>
<p>Sparkle delivers the update automatically. No config migration, no schema changes — same <code>~/.hermes/state.db</code> columns as v0.11/v0.12, same Scarf-owned sidecars at <code>~/.hermes/scarf/</code>. Existing v2.7.5 Kanban tenants stay valid; existing project manifests are unchanged. Settings tabs grow new rows; existing rows render identically.</p>
<p>If you&#x27;re connecting to a Hermes v0.13.0 host for the first time after this update, the new surfaces light up automatically — no flag flip in the app. Pre-v0.13 hosts continue to render the v2.7.5 surface; nothing breaks if you upgrade Scarf before upgrading Hermes.</p>
<h3>Known limitations</h3>
<ul>
<li><strong>iOS write surfaces</strong> (Verify hallucination gate, Reject, Curator archive/prune actions, allowlist editor, <code>/goal</code> send, <code>/queue</code> send) are explicitly out of scope for v2.8.0 and slated for v2.8.x. iOS surfaces are read-only mirrors per the Phase H precedent.</li>
<li><strong>Auto-resumed-from-checkpoint indicator</strong> — Hermes v0.13&#x27;s &quot;auto-resume after gateway restart&quot; feature is server-side; whether the ACP adapter advertises a Scarf-visible signal is unclear pending live host verification. Deferred to v2.8.1.</li>
<li><strong>xAI voice cloning management UX</strong> — only the &quot;Cloning supported&quot; badge ships in v2.8.0. A full voice-management surface is a follow-up.</li>
<li><strong>Bulk re-tag for legacy NULL-tenant Kanban tasks</strong> — carryover from v2.7.5; Hermes still has no <code>tenant</code> mutation verb post-create.</li>
<li><strong>Cluster A wire-shape TODOs</strong> — 25 <code>// TODO(WS-N-Q&lt;n&gt;)</code> markers across the codebase flag fields and CLI flags whose exact shape couldn&#x27;t be verified from release notes alone. Each has a tolerant-decode default that fails closed (hides the affordance rather than throwing); a pre-merge sweep on a v0.13 host can confirm or fix each in seconds.</li>
</ul>
<h3>Acknowledgements</h3>
<p>v2.8.0 was driven by a 9-stream coordinated multi-agent build: WS-1 capability flag foundation through WS-9 iOS catch-up, with planning artifacts archived under <a href="scarf/docs/v2.8/">scarf/docs/v2.8/</a> for future reference. Bug fixes for the dashboard flicker and sparse-slash-menu issues were caught during a fresh end-to-end dogfood pass against a live Hermes v0.13.0 install — the kind of surface-level UX bugs that only show up under real-world <code>state.db-wal</code> write rates and real-world resume flows. As always, real bugs come from doing instead of speculating.</p>
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<title>Version 2.7.5</title>
<sparkle:version>34</sparkle:version>
<sparkle:shortVersionString>2.7.5</sparkle:shortVersionString>
<sparkle:minimumSystemVersion>14.6</sparkle:minimumSystemVersion>
<pubDate>Fri, 08 May 2026 10:56:09 +0000</pubDate>
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<h2>What&#x27;s in 2.7.5</h2>
<p>A feature release that lifts Scarf&#x27;s Kanban surface from a read-only list (the v2.6 placeholder shipped while upstream Kanban was still mid-rework) to a full drag-and-drop board with the complete Hermes v0.12 mutation surface wired up — plus per-project boards bound to a Scarf-minted tenant slug, and a read-only board on iOS for at-a-glance status from your phone. No data migrations, no schema changes; pre-v0.12 hosts gracefully hide the surface.</p>
<h3>New features</h3>
<h4>Mac</h4>
<ul>
<li><strong>Drag-and-drop Kanban board</strong> (<a href="scarf/scarf/Features/Kanban/Views/KanbanBoardView.swift">scarf/Features/Kanban/Views/KanbanBoardView.swift</a>). Five visible columns — Triage / Up Next (<code>todo</code> + <code>ready</code>) / Running / Blocked / Done — collapsing Hermes&#x27;s seven status values into a layout that doesn&#x27;t waste space on <code>ready</code>, which the dispatcher only ever holds for a few seconds. Triage hides itself when empty; archived hides behind a header toggle. Drop a card onto a column and Scarf maps the gesture to the right Hermes verbs through a pure transition planner: drop-on-Running fires <code>kanban dispatch</code> (the dispatcher then spawns a worker), drop-on-Blocked opens a sheet asking for a reason and calls <code>kanban block</code>, drop-on-Done opens a result sheet and calls <code>kanban complete</code>, blocked → running chains <code>unblock</code> + <code>dispatch</code>. Forbidden transitions (anything dropped on Done; anything dragged out of Triage) reject with a red drop-target stroke and a tooltip explaining why — Done is terminal, Triage is promoted by a specifier worker, neither has a CLI verb that maps cleanly. Optimistic local updates apply on drop and revert on CLI failure with a toast, so the UI feels instant.</li>
</ul>
<ul>
<li><strong>Side-pane inspector</strong> (<a href="scarf/scarf/Features/Kanban/Views/KanbanInspectorPane.swift">KanbanInspectorPane.swift</a>). Click a card and a 420 px pane slides in from the trailing edge. Not a modal sheet — modal would block triaging the next card after closing. Header carries the status, an inline assignee menu (more on that below), workspace kind, and tenant; below that, four tabs render <code>hermes kanban show &lt;id&gt;</code> data: <strong>Comments</strong> (with an inline composer that calls <code>kanban comment</code>), <strong>Events</strong> (the <code>task_events</code> log with per-kind glyphs), <strong>Runs</strong> (one row per attempt with outcome badge + summary + error), and <strong>Log</strong> — the worker&#x27;s captured stdout/stderr from <code>hermes kanban log &lt;id&gt;</code>, polled every 2 s while the task is running with a &quot;● streaming&quot; indicator and auto-scroll to the latest line, snapshot-only with a refresh button when the task is in a terminal state. The action bar at the bottom has all the per-status verbs — Start (which is <code>claim</code> rebranded as a user-visible action), Complete, Block, Unblock, Archive — every one with a help tooltip explaining what it does and what Hermes verb it invokes. The &quot;Archive&quot; tooltip explicitly notes Hermes has no hard-delete: archived tasks remain in <code>~/.hermes/kanban.db</code> and are recoverable via the &quot;Show archived&quot; toggle until <code>hermes kanban gc</code> runs.</li>
</ul>
<ul>
<li><strong>Inspector auto-refresh.</strong> While the inspector is open, the detail (header, action buttons, comments, events, runs) re-fetches every 5 s on the same cadence as the board itself, so a worker transition (e.g. running → done elsewhere) is reflected without the user having to close + reopen. The Log tab&#x27;s 2 s poll runs separately and self-cancels the moment the task transitions out of <code>running</code>.</li>
</ul>
<ul>
<li><strong>Inline assignee picker on the inspector header.</strong> The assignee badge is a clickable menu — set means a <code>.brand</code> (rust) chip, unassigned means a <code>.warning</code> (yellow) chip so the eye catches it instantly. Tapping opens a menu of every known profile (union of <code>~/.hermes/profiles/</code>, current task assignees, and the active local profile from <code>HermesProfileResolver</code>) plus an &quot;Unassigned&quot; option. Selection routes through <code>kanban assign</code> and immediately follows with <code>kanban dispatch</code> so the task gets picked up promptly. Solves the &quot;I assigned a profile but nothing happened&quot; gap end-to-end without the user touching a terminal.</li>
</ul>
<ul>
<li><strong>Health banner in the inspector.</strong> Surfaces two conditions that previously left users staring at a stuck task with no explanation. <strong>Yellow</strong> when the task is unassigned in <code>ready</code> / <code>todo</code>: <em>&quot;Won&#x27;t run automatically — Hermes&#x27;s dispatcher silently skips tasks with no assignee.&quot;</em> The dispatcher&#x27;s own <code>--json</code> output literally lists these under <code>skipped_unassigned</code>; we now surface that to the human. <strong>Red</strong> when the most-recently-completed run ended in a non-success outcome (<code>stale_lock</code> / <code>crashed</code> / <code>gave_up</code> / <code>timed_out</code> / <code>spawn_failed</code> / <code>reclaimed</code> / <code>failed</code>): banner displays the outcome label + the raw <code>error</code> field from the run record, so you don&#x27;t have to dig into the Runs tab to discover it. The red banner is suppressed while a fresh attempt is running — once status flips back to <code>running</code>, the previous outcome is stale signal and the Log tab&#x27;s live stream is the right thing to look at.</li>
</ul>
<ul>
<li><strong>Card-level signals.</strong> Cards in <code>running</code> get a 2 px <code>ScarfColor.info</code> left edge + a subtle title shimmer so live work is obvious at a glance. Blocked cards get a 2 px <code>ScarfColor.warning</code> left edge + a ⚠ glyph next to the title. Done cards dim to 0.7 opacity in light mode, 0.55 in dark, with a green ✓ in the title row. Cards in <code>ready</code> / <code>todo</code> with no assignee get a yellow ⚠ glyph in the title row with a tooltip explaining the dispatcher won&#x27;t pick them up — same signal as the inspector banner, just at the board level so triage is one keypress away.</li>
</ul>
<ul>
<li><strong><code>Board | List</code> toggle at the top of the route.</strong> The v2.6 read-only list view is preserved in <code>KanbanListView.swift</code> and surfaced via a segmented picker, so users on narrow windows or anyone who prefers a flat sortable list can opt in. Choice persists across launches via <code>@AppStorage</code>.</li>
</ul>
<ul>
<li><strong>New Task sheet</strong> (<a href="scarf/scarf/Features/Kanban/Views/KanbanCreateSheet.swift">KanbanCreateSheet.swift</a>). Title, body (markdown supported), assignee (defaults to <code>HermesProfileResolver.activeProfileName()</code> so newly-created tasks actually run), workspace kind (segmented <code>Scratch / Worktree / Project Dir</code>; locked to Project Dir on per-project boards), priority slider, comma-separated skills with autocomplete from <code>~/.hermes/skills/</code>, optional tenant (hidden on per-project boards — the slug is implicit), and a &quot;Send to triage&quot; toggle. Submit fires <code>kanban create --json</code> and immediately follows with <code>kanban dispatch</code> so an assigned task transitions <code>ready</code> → <code>running</code> within seconds rather than waiting for the gateway dispatcher&#x27;s internal cycle.</li>
</ul>
<ul>
<li><strong>Kanban moved from Manage → Monitor in the sidebar.</strong> It&#x27;s runtime work-in-progress, not configuration. Sits between Activity and the rest of Manage so users see &quot;what&#x27;s happening right now&quot; at a glance.</li>
</ul>
<h4>Per-project Kanban</h4>
<ul>
<li><strong><code>DashboardTab.kanban</code> on every project</strong>, capability-gated on <code>HermesCapabilities.hasKanban</code>. Renders a project-scoped <code>KanbanBoardView</code> filtered to the project&#x27;s tenant slug. Workspace defaults in the New Task sheet are pre-pinned to <code>dir:&lt;project.path&gt;</code>. Empty state explains the project doesn&#x27;t have any tasks yet and offers a &quot;New Task&quot; CTA — the empty board IS the discovery surface.</li>
</ul>
<ul>
<li><strong>Tenant minting via <a href="scarf/scarf/Core/Services/KanbanTenantResolver.swift">KanbanTenantResolver</a>.</strong> Each Scarf project gets a stable <code>scarf:&lt;slug&gt;</code> tenant minted on first kanban interaction and persisted to <code>&lt;project&gt;/.scarf/manifest.json</code> (new optional <code>kanbanTenant</code> field on <code>ProjectTemplateManifest</code>). Slug rules: lowercased, hyphenated, ≤ 48 chars, <code>scarf:</code> prefix to avoid collision with hand-typed tenants. Once minted, the tenant is <strong>immutable across rename</strong> — tasks already on the board carry the original slug, so renaming the project doesn&#x27;t orphan them. Bare projects (no manifest) get a sentinel manifest written with <code>id: scarf/&lt;project-id&gt;</code> + <code>version: 0.0.0</code> + just the <code>kanbanTenant</code> set; the <code>ProjectAgentContextService</code> reader recognizes the sentinel and refuses to surface it as a &quot;Template&quot; line in the AGENTS.md block, so the project doesn&#x27;t suddenly start advertising a fake template to the agent.</li>
</ul>
<ul>
<li><strong>Agent-side tenant injection.</strong> <a href="scarf/scarf/Core/Services/ProjectAgentContextService.swift">ProjectAgentContextService.renderBlock</a> emits a &quot;Kanban tenant&quot; line inside the <code>&lt;!-- scarf-project --&gt;</code> markers in <code>&lt;project&gt;/AGENTS.md</code> whenever a tenant exists, instructing the agent to pass <code>--tenant scarf:&lt;slug&gt;</code> on <code>hermes kanban create</code>. <code>ChatViewModel.startACPSession</code> already calls <code>refresh(for:)</code> before opening every project chat, so the agent reads a fresh tenant on every session start with no extra wiring. Agents are imperfect at flag discipline; a forgotten <code>--tenant</code> lands the task in the global &quot;Untagged&quot; group rather than failing — acceptable v2.7.5 behavior.</li>
</ul>
<ul>
<li><strong><code>kanban_summary</code> dashboard widget</strong> (<a href="scarf/scarf/Features/Projects/Views/Widgets/KanbanSummaryWidgetView.swift">KanbanSummaryWidgetView.swift</a>). New widget kind for project dashboards: shows the top three <code>running</code> / <code>blocked</code> / <code>todo</code> tasks for the project&#x27;s tenant by priority, plus a glance footer (<code>&quot;12 todo · 3 running · 5 blocked&quot;</code>) sourced from <code>kanban stats</code>. Polls every 10 s while the dashboard is foregrounded. Widget vocabulary registered in <a href="tools/widget-schema.json">tools/widget-schema.json</a> and rendered on the catalog site via <a href="site/widgets.js">site/widgets.js</a>; template authors can drop a <code>{ kind: kanban_summary, max_rows: 3 }</code> block into <code>dashboard.json</code>.</li>
</ul>
<h4>iOS / iPadOS</h4>
<ul>
<li><strong>Read-only Kanban tab on <code>ProjectDetailView</code></strong> (<a href="scarf/Scarf%20iOS/Kanban/ScarfGoKanbanView.swift">Scarf iOS/Kanban/ScarfGoKanbanView.swift</a>). Same five-column collapse rendered as a horizontally-paged segmented <code>Picker</code> of single-column lists — HIG-friendly on iPhone where a 5-column grid forces unreadable card widths. Pulls live status, assignee, workspace, skills, priority chips. Tap a card → modal <code>NavigationStack</code> detail sheet (<a href="scarf/Scarf%20iOS/Kanban/ScarfGoKanbanDetailSheet.swift">ScarfGoKanbanDetailSheet.swift</a>) with the same Comments / Events / Runs tabs the Mac inspector has. Read-only in v2.7.5 — mutations + drag-drop on iPad land in v2.8 once the Mac flow is fully shaken out. Card titles use semantic <code>.headline</code> (not <code>ScarfFont</code>) so Dynamic Type works; chrome (badges) stays on <code>ScarfBadge</code> for fixed visual weight per the project&#x27;s iOS conventions.</li>
</ul>
<h4>ScarfCore</h4>
<ul>
<li><strong><code>KanbanService</code> actor</strong> (<a href="scarf/Packages/ScarfCore/Sources/ScarfCore/Services/KanbanService.swift">Packages/ScarfCore/Sources/ScarfCore/Services/KanbanService.swift</a>) — pure-I/O Sendable actor wrapping every Hermes v0.12 verb (<code>list / show / runs / stats / assignees / create / assign / claim / comment / complete / block / unblock / archive / dispatch / link / unlink / log</code>). Dispatches each CLI invocation through <code>Task.detached(priority: .utility)</code> matching the existing concurrency conventions. Errors land in <a href="scarf/Packages/ScarfCore/Sources/ScarfCore/Models/KanbanError.swift">KanbanError</a> and surface as inline banners (not modal alerts) since the board is high-frequency. The &quot;no matching tasks&quot; stdout sentinel is normalized to <code>[]</code> rather than thrown.</li>
</ul>
<ul>
<li><strong>Pure transition planner.</strong> <code>KanbanService.plan(for: KanbanTransition)</code> is a synchronous function that maps a <code>(from, to)</code> column pair to the right verb sequence — <code>(.upNext, .running) → [.dispatch]</code>, <code>(.blocked, .running) → [.unblock, .dispatch]</code>, etc. Disallowed transitions throw <code>KanbanError.forbiddenTransition</code> with a user-actionable reason. The planner is fully tested in <code>KanbanModelsTests.swift</code>. Critically: <code>dispatch</code> (not <code>claim</code>) is the verb used for Up-Next → Running. Hermes&#x27;s <code>claim</code> is documented as &quot;manual alternative to the dispatcher&quot; and assumes the caller spawns the worker themselves — Scarf doesn&#x27;t, so calling <code>claim</code> from drag-drop reserved tasks but never spawned work, and the dispatcher reclaimed them ~15 minutes later (<code>stale_lock</code>). <code>dispatch</code> is the right primitive for a GUI client.</li>
</ul>
<ul>
<li><strong>Cross-platform <a href="scarf/Packages/ScarfCore/Sources/ScarfCore/Services/KanbanTenantReader.swift">KanbanTenantReader</a>.</strong> Read-only projection over <code>&lt;project&gt;/.scarf/manifest.json</code>&#x27;s <code>kanbanTenant</code> field. The full <code>ProjectTemplateManifest</code> type lives in the Mac target; this lightweight reader gives iOS a way to filter the per-project board by tenant without linking the full manifest model.</li>
</ul>
<ul>
<li><strong>Timestamp decoding tolerates both shapes.</strong> Hermes emits <code>created_at</code> / <code>started_at</code> / <code>completed_at</code> / <code>last_heartbeat_at</code> etc. as Unix integer seconds (its SQLite columns are INTEGER), but earlier wire docs implied ISO-8601 strings. The decoder now accepts either an integer or a string and normalizes to ISO-8601 so downstream code only handles one type. Locked in by <code>decodeUnixIntegerTimestamps</code> in <code>KanbanModelsTests</code>.</li>
</ul>
<ul>
<li><strong><code>KanbanBoardViewModel</code> optimistic merge.</strong> Holds <code>optimisticOverrides: [taskId: status]</code> for in-flight drags; the polled response merges with optimistic state until the server confirms the new status, so a stale poll arriving milliseconds after a drop can&#x27;t snap the card back to its old column. On CLI failure the override is removed and the message lands in the inline banner.</li>
</ul>
<h3>Dispatch + assignee fixes</h3>
<p>A diagnostic round driving real tasks end-to-end exposed a connected bug pattern that the polish pass closed:</p>
<ul>
<li><strong>Hermes&#x27;s dispatcher silently skips unassigned tasks</strong> — its <code>kanban dispatch --json</code> output literally lists them under a <code>skipped_unassigned</code> key and moves on. Tasks created without an assignee sat in <code>ready</code> indefinitely and the user had no signal anything was wrong. The New Task sheet now defaults to the active Hermes profile, the inspector header shows a yellow &quot;Unassigned&quot; chip + warning banner, every <code>ready</code> / <code>todo</code> card without an assignee gets a ⚠ glyph + tooltip, and the inspector&#x27;s inline assignee picker fixes it in one click.</li>
</ul>
<ul>
<li><strong>Drag-to-Running used to call <code>claim</code></strong>, which is a manual alternative to the dispatcher. Status flipped to <code>running</code>, but no worker spawned (Scarf doesn&#x27;t host workers), and 15 minutes later the dispatcher reclaimed the task with a <code>stale_lock</code> outcome. Replaced with <code>dispatch</code> end-to-end so the gateway-running dispatcher actually does the spawning.</li>
</ul>
<ul>
<li><strong><code>hermes kanban assignees</code> empty-state was leaking into the picker.</strong> The CLI prints a literal sentinel <code>(no assignees — create a profile with hermes -p &lt;name&gt; setup)</code> when the table is empty; the parser was tokenizing it on whitespace and offering <code>(no</code> as a profile in the menu. Parser now skips the sentinel, validates each candidate against <code>^[a-zA-Z0-9_-]+$</code>, and falls back cleanly to the active local profile when the table is empty.</li>
</ul>
<ul>
<li><strong><code>spawn_failed</code> from &quot;executable not found on PATH&quot;</strong> — most subtle of the lot. macOS GUI apps inherit a launch-services PATH (<code>/usr/bin:/bin:/usr/sbin:/sbin</code>) that doesn&#x27;t include <code>~/.local/bin</code> (where pipx installs <code>hermes</code>) or <code>/opt/homebrew/bin</code>. Scarf was finding <code>hermes</code> for its own invocation via the absolute-path resolver in <code>HermesPathSet.hermesBinaryCandidates</code>, but when the dispatcher then spawned a worker process, that worker inherited Scarf&#x27;s GUI PATH and couldn&#x27;t find <code>hermes</code> by name — recording an <code>outcome=spawn_failed</code> run with the exact &quot;executable not found on PATH&quot; message. <code>LocalTransport</code> now grows an <code>environmentEnricher</code> static (mirroring <code>SSHTransport.environmentEnricher</code>) wired by <code>scarfApp.swift</code> to the same <code>HermesFileService.enrichedEnvironment()</code> login-shell probe the SSH transport uses. Every local subprocess Scarf spawns now sees the user&#x27;s full PATH and credential env, so a spawned-from-Scarf hermes can spawn its children by name without reaching for absolute paths. Defense-in-depth: <code>subprocessEnvironment(forExecutable:)</code> also unconditionally prepends the executable&#x27;s parent directory to PATH, so the fix works even if the enricher hasn&#x27;t been wired (early startup, tests).</li>
</ul>
<h3>Migrating from 2.7.1</h3>
<p>Sparkle will offer the update automatically. No config migration, no schema changes — <code>~/.hermes/kanban.db</code> is shared across all Hermes clients and Scarf only reads/writes through the documented CLI surface. Existing Scarf projects pick up the new project Kanban tab on first open; the tenant slug is minted lazily on first kanban interaction inside the project, so projects with no kanban activity stay byte-identical until the user opens the tab.</p>
<p>If you have an existing project with a Scarf-managed <code>manifest.json</code>, the new optional <code>kanbanTenant</code> field is added on next mint and lives alongside any template-author config schema without touching it. Templates do not ship <code>kanbanTenant</code> (it&#x27;s user-machine-scoped state); the export pipeline strips it.</p>
<p>If you&#x27;ve been running tasks via the v2.6 read-only list and your Hermes host already runs the gateway dispatcher, your existing kanban tasks should appear on the board automatically — there&#x27;s no migration step. Tasks created without an assignee in v2.6 will now show the yellow &quot;Unassigned&quot; warning until you fix them through the inline picker.</p>
<h3>Known limitations</h3>
<ul>
<li><strong>Within-column reorder is not supported.</strong> Hermes has no <code>update</code> verb and no <code>position</code> column on the tasks table — <code>priority</code> is write-once at create time. Sort order inside each column is <code>priority DESC, created_at DESC</code>, matching the dispatcher&#x27;s actual run order. We considered a client-side ordering sidecar; rejected because the on-screen order would diverge from what runs next, which is worse than no manual order. Will revisit if Hermes ships an <code>update --priority</code> verb.</li>
</ul>
<ul>
<li><strong>No live <code>watch</code> streaming yet.</strong> The board polls every 5 s; the inspector polls detail on the same cadence and the Log tab on a 2 s cadence while running. <code>hermes kanban watch --json</code> event streaming + reconnect-with-backoff lands in v2.8 along with iOS write surfaces.</li>
</ul>
<ul>
<li><strong>No bulk re-tag for legacy NULL-tenant tasks.</strong> Tasks created before this release (assignee or no assignee) appear in the global &quot;Untagged&quot; group on the global board. Hermes has no <code>tenant</code> mutation verb post-create, so retagging would be archive + recreate — too destructive to ship in this release.</li>
</ul>
<h3>Acknowledgements</h3>
<ul>
<li>Driven end-to-end against a fresh local Hermes v0.12.0 install with the gateway dispatcher running. Real bug surface mostly came from doing instead of speculating: the <code>claim</code> vs <code>dispatch</code> distinction, the silent <code>skipped_unassigned</code> behavior, the <code>(no</code> parse leak, the integer-vs-ISO timestamp shape, and the stale &quot;Last run&quot; banner during a fresh attempt all surfaced from driving real tasks and watching what actually happened.</li>
</ul>
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<title>Version 2.7.1</title>
<sparkle:version>33</sparkle:version>
<sparkle:shortVersionString>2.7.1</sparkle:shortVersionString>
<sparkle:minimumSystemVersion>14.6</sparkle:minimumSystemVersion>
<pubDate>Thu, 07 May 2026 10:51:54 +0000</pubDate>
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<h2>What&#x27;s in 2.7.1</h2>
<p>A patch release covering three bug reports filed against 2.7.0, plus follow-up cleanups in the same neighborhood. No data migrations, no UI surface changes — drop-in replacement for 2.7.0 on Mac.</p>
<h3>Bug fixes</h3>
<h4>Mac</h4>
<ul>
<li><strong><a href="https://github.com/awizemann/scarf/issues/77">#77</a> — Sessions screen renders empty even when Dashboard reports sessions exist.</strong> v2.7.0 folded the Sessions tab&#x27;s two SQL queries (sessions list + previews) into a single batched SSH round-trip for perf. The combined wire payload for any user with ~150+ sessions crossed macOS&#x27;s 1664 KB pipe-buffer threshold; without a concurrent reader draining the pipe, the remote <code>sqlite3 -json</code> blocked, the script never finished, our 30-second timeout fired, and the call returned an empty result. <code>SSHScriptRunner</code> now drains stdout/stderr concurrently with the running process via <code>FileHandle.readabilityHandler</code>, so the kernel pipe never fills. Same fix applied to the local-execution path. New regression test pushes 256 KB of synthetic output through the runner and asserts full delivery — would have wedged pre-fix.</li>
</ul>
<ul>
<li><strong><a href="https://github.com/awizemann/scarf/issues/78">#78</a> — Skills &quot;What&#x27;s New&quot; pill contradicts the Updates sub-tab.</strong> The pill at the top of the Skills page was rendering on every sub-tab, including Updates. It counts <strong>local</strong> file deltas since the user last clicked &quot;Mark as seen&quot; (e.g. &quot;18 new&quot; = 18 skills landed on disk that you haven&#x27;t acknowledged), while the Updates body runs <code>hermes skills check</code> to find skills with newer <strong>upstream</strong> versions available — a different concept. Two surfaces using the word &quot;update&quot; for two different things made the screen contradict itself. Two changes: the pill now renders only on the Installed sub-tab (Mac and ScarfGo), and its label says &quot;X <strong>changed</strong> since you last looked&quot; instead of &quot;X updated&quot; so the local-file vocabulary doesn&#x27;t collide with upstream-update vocabulary anywhere on the page.</li>
</ul>
<ul>
<li><strong><a href="https://github.com/awizemann/scarf/issues/79">#79</a> — Skills hub search returns nothing for terms visible in Browse.</strong> With the source picker on &quot;All Sources&quot;, <code>hermes skills search &lt;query&gt;</code> (no <code>--source</code> flag) routes through Hermes&#x27;s centralized index and skips external API sources (skills-sh, github, clawhub, lobehub, well-known) — but Browse still aggregates from those sources, so a skill like <code>honcho</code> would show up in Browse and disappear in search. Same picker, same query, contradictory results. Rather than chase Hermes&#x27;s index gaps, &quot;All Sources&quot; search now means &quot;filter what you can already see&quot;: Scarf caches the most recent Browse payload and runs a client-side substring filter (case-insensitive against name, description, and identifier) against it, instantly. Source-specific searches still shell out to <code>hermes skills search --source &lt;s&gt;</code> for full upstream search semantics. Five new tests cover the filter behavior.</li>
</ul>
<ul>
<li><strong><code>hermesPIDResult()</code> — narrow the Hermes &quot;is it running?&quot; probe to the gateway.</strong> Previously <code>pgrep -f hermes</code>, which matched any process with &quot;hermes&quot; in its argv: chat sessions Scarf itself spawns, <code>hermes -z</code> one-shots, log tails, even the README in an editor. The Dashboard &quot;Hermes is running&quot; badge could read true even when the gateway daemon was down. Tightened to a regex that matches only the gateway shape — <code>python -m hermes_cli.main gateway run …</code> and <code>/path/to/hermes gateway run …</code>. All callers (DashboardViewModel, HealthViewModel, SettingsViewModel, scarfApp, stopHermes) want the gateway PID specifically. Cherry-picked from <a href="https://github.com/awizemann/scarf/pull/76">#76</a> — thanks to <a href="https://github.com/unixwzrd">@unixwzrd</a> for the diagnosis and regex.</li>
</ul>
<ul>
<li><strong><code>HealthViewModel.stopDashboard()</code> — stop the dashboard by port, not <code>pkill -f</code>.</strong> External-instance fallback used to be <code>pkill -f &quot;hermes dashboard&quot;</code>, broad enough to match shell history, log tails, README readers — anything with the substring in its argv. Now <code>lsof -tiTCP:&lt;port&gt; -sTCP:LISTEN</code> resolves the PID actually bound to the dashboard port and only that one process gets <code>SIGTERM</code>. Trusting the port is correct here: Scarf owns the configured port and the user-visible intent is &quot;stop the thing on this port.&quot; Direction cherry-picked from <a href="https://github.com/awizemann/scarf/pull/76">#76</a>; the <code>-c hermes</code> filter from the original was dropped because Hermes installs as a Python shebang script and the kernel COMM is <code>python</code>, not <code>hermes</code> — <code>-c hermes</code> would silently miss every standard install.</li>
</ul>
<h3>Documentation + tooling</h3>
<ul>
<li><strong><code>scripts/local-build.sh</code> + <code>BUILDING.md</code> for contributor builds.</strong> New unsigned single-arch Debug build script for contributors without an Apple Developer account. Detects arm64 / x86_64, verifies xcode-select / xcrun / xcodebuild, probes the Metal toolchain (offers an interactive install on TTY, errors cleanly on CI), resolves Swift packages, builds Debug with signing disabled. Optional one-touch <code>ditto</code> to <code>/Applications/scarf.app</code> on explicit y/N. The canonical Release universal CLI in <code>README.md</code> is unchanged — <code>local-build.sh</code> is an alternative for contributors, not a replacement for the shipping build. Cherry-picked from <a href="https://github.com/awizemann/scarf/pull/76">#76</a>.</li>
</ul>
<ul>
<li><strong><code>BUILDING.md</code> + <code>CONTRIBUTING.md</code> — restored Sonoma compatibility messaging.</strong> The runtime min is <strong>macOS 14.6 (Sonoma)</strong> — that&#x27;s the <code>MACOSX_DEPLOYMENT_TARGET</code> on the main <code>scarf</code> target and is intentional. Build min is <strong>Xcode 16.0</strong> (needed for Swift 6 strict-concurrency features). The legacy CONTRIBUTING.md line had drifted to &quot;Xcode 26.3+ / macOS 26.2+&quot;, which would have steered Sonoma contributors and users away from a build that actually runs on their box. Corrected, with a load-bearing-callout in BUILDING.md so future doc edits don&#x27;t silently raise the floor again.</li>
</ul>
<h3>Migrating from 2.7.0</h3>
<p>Sparkle will offer the update automatically. No config migration, no schema changes. Existing sessions, skills, and projects are untouched.</p>
<p>If you&#x27;ve been working around #77 by collapsing the sidebar or restarting Scarf to repopulate the Sessions list, you can stop — sessions should load reliably now.</p>
<h3>Acknowledgements</h3>
<ul>
<li><a href="https://github.com/bricelb">@bricelb</a> for the three v2.7.0 bug reports (<a href="https://github.com/awizemann/scarf/issues/77">#77</a>, <a href="https://github.com/awizemann/scarf/issues/78">#78</a>, <a href="https://github.com/awizemann/scarf/issues/79">#79</a>) — well-instrumented reproductions including screenshots and environment details made the diagnosis straightforward.</li>
<li><a href="https://github.com/unixwzrd">@unixwzrd</a> for <a href="https://github.com/awizemann/scarf/pull/76">#76</a> — the gateway-pgrep tighten, the <code>pkill -f &quot;hermes dashboard&quot;</code> direction, and the <code>local-build.sh</code> contributor flow are all cherry-picked from that PR.</li>
</ul>
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<title>Version 2.7.0</title>
<sparkle:version>32</sparkle:version>
<sparkle:shortVersionString>2.7.0</sparkle:shortVersionString>
<sparkle:minimumSystemVersion>14.6</sparkle:minimumSystemVersion>
<pubDate>Tue, 05 May 2026 18:47:18 +0000</pubDate>
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<h2>What&#x27;s in 2.7.0</h2>
<p>The biggest release since 2.6.0 — a six-week stretch covering <strong>remote-context performance</strong>, a <strong>new project authoring flow</strong>, <strong>dashboard widgets</strong>, <strong>OAuth resilience</strong>, and a top-to-bottom <strong>performance instrumentation harness</strong> that drove the bulk of the rest. 36 commits, no schema bump, no Hermes capability bump.</p>
<p>The throughline: Scarf got materially faster and more honest on slow remote SSH links, where 30-second sqlite timeouts and silently-empty UI used to be common. The skeleton-then-hydrate pattern, SSH cancellation propagation, and ScarfMon-driven diagnosis are the shape of how that work gets done now.</p>
<hr>
<h3>Remote-context performance — chats and Activity in seconds, not 30s timeouts</h3>
<p>Resuming a chat on a slow remote (a 420ms-RTT droplet, an underprovisioned VPS, a tunnel through 4G) used to fetch the full message column set in one shot, which routinely tripped the 30s SSH timeout on chats with multi-page tool result blobs. The 160-message session was broken; the 30-message session was broken too. Activity didn&#x27;t load at all.</p>
<p>v2.7 introduces a <strong>skeleton-then-hydrate pattern</strong> that bounds the wire payload by what the user actually needs to see RIGHT NOW, then fills in the heavy stuff in the background:</p>
<ul>
<li><strong>Chat skeleton.</strong> <a href="https://github.com/awizemann/scarf/blob/main/scarf/Packages/ScarfCore/Sources/ScarfCore/Services/HermesDataService.swift"><code>fetchSkeletonMessages</code></a> selects user + assistant rows only (skips <code>role=&#x27;tool&#x27;</code>) with <code>tool_calls</code> / <code>reasoning</code> / <code>reasoning_content</code> hard-NULLed at the SQL level. Wire payload bounded by conversational text alone — typically a few KB. The chat appears in seconds. Background <code>startToolHydration</code> pages through <code>hydrateAssistantToolCalls</code> in 5-id batches to splice tool calls in. Tool-result CONTENT is <strong>opt-in</strong> via Settings → Display → &quot;Load tool results in past chats&quot; (default off); the inspector pane lazy-fetches per-result content via <code>fetchToolResult(callId:)</code> when you open a card.</li>
<li><strong>Activity skeleton.</strong> <a href="https://github.com/awizemann/scarf/blob/main/scarf/Packages/ScarfCore/Sources/ScarfCore/Services/HermesDataService.swift"><code>fetchRecentToolCallSkeleton</code></a> returns metadata-only rows (id + session_id + role + timestamp; everything else NULLed). Activity opens in &lt;1s on remote with placeholder rows; real per-call entries swap in as paged hydration completes. New &quot;Loading tool details…&quot; pill in the page header surfaces hydration progress.</li>
<li><strong>Single-id whale recovery.</strong> When a 5-id batch trips the 30s timeout (one row carries an oversized <code>tool_calls</code> blob — a long Edit&#x27;s args, a big diff), an L1 single-id retry isolates the offending row so the rest of the batch still hydrates. Whale row stays bare; assistant message stays readable.</li>
<li><strong>Lazy tool result loading in the inspector.</strong> Default-off avoids the bulk fetch. When you focus a tool call card, ChatInspectorPane fires <code>loadToolResultIfMissing(callId:)</code> which splices a single result into the message stream without re-fetching anything else.</li>
</ul>
<p>Effect: a 160-message thinking-model session that used to time out at exactly 30s now opens in under 2 seconds with placeholder cards filling in over the next few. Activity loads in 500-800ms.</p>
<h4>SSH cancellation that actually cancels</h4>
<p><code>Task.detached { … }</code> doesn&#x27;t inherit cancellation from the awaiting parent, and <code>Task&lt;…&gt; { … }</code> (unstructured) also drops the signal. Without explicit bridging, cancelling a chat-load Task only unwinds Swift state — the underlying ssh subprocess kept running for the full 30s, pinning a remote sqlite query and a ControlMaster session slot. This produced the &quot;third chat hangs&quot; / &quot;dashboard spins after rapid switching&quot; symptom.</p>
<p>v2.7 wires <code>withTaskCancellationHandler</code> through <a href="https://github.com/awizemann/scarf/blob/main/scarf/Packages/ScarfCore/Sources/ScarfCore/Transport/SSHScriptRunner.swift"><code>SSHScriptRunner.run</code></a> and <a href="https://github.com/awizemann/scarf/blob/main/scarf/Packages/ScarfCore/Sources/ScarfCore/Services/Backends/RemoteSQLiteBackend.swift"><code>RemoteSQLiteBackend.query</code></a> so parent cancellation reaches the <code>Process</code> and calls <code>proc.terminate()</code> within 100ms. New <code>ssh.cancelled</code> ScarfMon event surfaces this.</p>
<h4>In-flight coalescing for <code>loadRecentSessions</code></h4>
<p>File-watcher deltas during an active stream used to stack 2-3 parallel sessions-list reload tasks (the 500ms <code>scheduleSessionsRefresh</code> debounce only suppresses a pending tick, not one already executing). Subsequent callers now await the in-flight load instead of spawning a parallel SSH subprocess. New <code>mac.loadRecentSessions.coalesced</code> event tracks dedup hits.</p>
<h4>Loading-state UX hardening</h4>
<p>The Mac chat sidebar greys out and disables row taps the moment a session-switch is initiated (synchronously, before <code>client.start()</code> returns), with a floating ProgressView showing the current phase: <strong>&quot;Spawning hermes acp…&quot;</strong> → <strong>&quot;Authenticating…&quot;</strong> → <strong>&quot;Loading session…&quot;</strong> → <strong>&quot;Loading history…&quot;</strong> → <strong>&quot;Ready&quot;</strong>. Pre-fix the sidebar looked engageable while the 5-7 second SSH+ACP boot was still in flight, and the user could queue up a second session-switch behind the first. New <code>isStartingSession</code> flag flips on user click for instant feedback.</p>
<h4>Partial-result + mismatch + pinned-model banners</h4>
<ul>
<li><strong>Partial-result banner.</strong> When the skeleton fetch trips an SSH transport failure (rather than a clean empty result), the chat surfaces &quot;Couldn&#x27;t load full chat history — the connection to <em>server</em> timed out&quot; through the existing <code>acpError</code> triplet, plus forces <code>hasMoreHistory = true</code> so the &quot;Load earlier&quot; affordance shows up. Replaces the pre-fix silent empty transcript.</li>
<li><strong>Model/provider mismatch banner.</strong> <a href="https://github.com/awizemann/scarf/blob/main/scarf/Packages/ScarfCore/Sources/ScarfCore/Services/ModelPreflight.swift"><code>ModelPreflight.detectMismatch</code></a> recognizes when <code>model.default</code> carries a <code>&lt;provider&gt;/...</code> prefix that disagrees with <code>model.provider</code> (e.g. <code>anthropic/claude-sonnet-4.6</code> + <code>provider: nous</code> after switching OAuth via Credential Pools). Banner offers one-click fix in either direction.</li>
<li><strong>Pinned-model failure hint.</strong> ACP error classifier now recognizes <code>model_not_found</code> / <code>404 messages</code> / <code>model is not available</code> and surfaces &quot;This session was created with a model the provider no longer offers — start a new chat to use your current model&quot; so the pinned-model failure mode has a clear recovery path.</li>
<li><strong>OAuth-completion provider swap.</strong> After a successful OAuth in Credential Pools, if the just-authed provider differs from <code>model.provider</code>, surface &quot;Switch active provider to <em>name</em>?&quot; with [Switch] / [Keep current] instead of auto-dismissing.</li>
</ul>
<hr>
<h3>New Project from Scratch wizard + Keychain-backed cron secrets</h3>
<p>A <strong>third project entry point</strong> alongside Browse Catalog and Add Existing Project: a wizard that scaffolds a Scarf-standard project skeleton (<code>&lt;project&gt;/.scarf/dashboard.json</code> + AGENTS.md marker block), registers it, and hands off to a chat session that auto-activates the bundled <code>scarf-template-author</code> skill. The skill drives the rest conversationally — widgets, optional config schema, optional cron — and writes the final files itself. Wizard stays minimal because the agent does configuration better than a multi-step form. The skill ships bundled inside <code>Scarf.app/Contents/Resources/BuiltinSkills.bundle/</code> and copies into <code>~/.hermes/skills/</code> on launch (idempotent + version-gated).</p>
<p><strong>Cron + Keychain — <code>$SCARF_&lt;SLUG&gt;_&lt;FIELD&gt;</code> env vars.</strong> Cron prompts that referenced <code>secret</code>-typed config fields used to get the literal <code>keychain://...</code> URI back when reading <code>config.json</code>, producing 401s. v2.7 mirrors resolved Keychain values into <code>~/.hermes/.env</code> under a marker-bounded block keyed by template slug:</p>
<pre><code># scarf-secrets:begin local-news-aggregator
SCARF_LOCAL_NEWS_AGGREGATOR_API_TOKEN=actual-value
SCARF_LOCAL_NEWS_AGGREGATOR_RSS_URL=https://example.com/feed
# scarf-secrets:end local-news-aggregator</code></pre>
<p>Hermes already reloads <code>~/.hermes/.env</code> per cron tick, so credential rotation is automatic — just edit the value in Configuration → next tick sees it. The mirror runs at every state-change point: install, post-install Configuration save, uninstall, &quot;Remove from List&quot;, and on app launch (reconciliation pass over registered projects). Source of truth stays in the Keychain — <code>config.json</code> keeps <code>keychain://</code> URIs unchanged. Mode 0600 enforced on <code>~/.hermes/.env</code>.</p>
<p>Cron prompts now reference these env vars directly:</p>
<pre><code>{
&quot;prompt&quot;: &quot;Use the terminal: curl -sS -H \&quot;Authorization: Bearer $SCARF_LOCAL_NEWS_AGGREGATOR_API_TOKEN\&quot; \&quot;$SCARF_LOCAL_NEWS_AGGREGATOR_RSS_URL\&quot; -o {{PROJECT_DIR}}/.scarf/feed.xml&quot;
}</code></pre>
<p><strong>Migration.</strong> First launch of v2.7 walks the project registry and writes the managed block per schemaful project — automatic. Existing cron prompts you wrote against the old (broken) <code>config.json</code> pattern still need updating: open the cron job in Scarf&#x27;s Cron sidebar and edit the prompt, or ask the agent in chat (&quot;Update my Local News cron job&#x27;s prompt to use the new env var convention&quot;) — the bundled <code>scarf-template-author</code> skill (now v1.1.0) documents the convention with worked examples.</p>
<p>Also fixes <a href="https://github.com/awizemann/scarf/issues/75">#75</a> — <code>_NSDetectedLayoutRecursion</code> on the Configuration form for projects whose form transitioned between stages with different intrinsic heights.</p>
<hr>
<h3>Project dashboards — file-reading widgets, sparklines, typed status</h3>
<p>Five new widget types, project-wide auto-refresh, and a structured error card for unknown widgets. Backwards-compatible — every existing <code>dashboard.json</code> renders byte-identically.</p>
<ul>
<li><strong>Project-wide auto-refresh.</strong> <a href="https://github.com/awizemann/scarf/blob/main/scarf/scarf/Core/Services/HermesFileWatcher.swift"><code>HermesFileWatcher</code></a> used to watch each project&#x27;s <code>dashboard.json</code> specifically. v2.7 promotes that to a watch on the entire <code>&lt;project&gt;/.scarf/</code> directory. A <code>markdown_file</code> or <code>log_tail</code> widget pointing at <code>&lt;project&gt;/.scarf/reports/foo.md</code> refreshes the moment a cron job rewrites the file. <strong>By convention, place files the dashboard reads inside <code>.scarf/</code></strong> so the watch picks them up.</li>
<li><strong><code>markdown_file</code></strong> — renders a markdown file from disk through the same <code>MarkdownContentView</code> pipeline used by inline <code>text</code> widgets.</li>
<li><strong><code>log_tail</code></strong> — last <code>lines</code> of a file (default 20, max 200), monospaced, ANSI codes stripped.</li>
<li><strong><code>cron_status</code></strong> — last run / next run / state for one Hermes cron job by <code>jobId</code>, plus a small inline log tail. Read-only — Run/Pause/Resume controls stay on the Cron tab.</li>
<li><strong><code>image</code></strong> — local file (<code>path</code> relative to project root) or remote <code>url</code>. Optional <code>height</code> cap. Useful for matplotlib/Plotly PNGs the cron job generates.</li>
<li><strong><code>status_grid</code></strong> — compact NxM grid of colored cells, one per service / item, with hover labels.</li>
<li><strong><code>stat</code> widget gains inline sparklines.</strong> Optional <code>sparkline: [Number]</code> field. SVG-only render, dozens per dashboard cost nothing.</li>
<li><strong>Typed status badges.</strong> <code>list</code> items and <code>status_grid</code> cells share a typed enum (<code>success</code>, <code>warning</code>, <code>danger</code>, <code>info</code>, <code>pending</code>, <code>done</code>, <code>neutral</code>) with lenient decode for synonyms (<code>ok</code>/<code>up</code> → success, <code>down</code>/<code>error</code> → danger). Unknown strings render as plain text.</li>
<li><strong>Structured widget error card.</strong> Replaces the legacy &quot;Unknown: \&lt;type\&gt;&quot; placeholder with a card surfacing the title, specific reason, and a hint.</li>
<li><strong>Schema mirror.</strong> The widget vocabulary lives once at <a href="https://github.com/awizemann/scarf/blob/main/tools/widget-schema.json"><code>tools/widget-schema.json</code></a>; the catalog validator reads from it and enforces per-type required fields.</li>
</ul>
<hr>
<h3>OAuth resilience + Credential Pools</h3>
<ul>
<li><strong>Daily OAuth keepalive cron.</strong> Prevents Anthropic OAuth refresh tokens from expiring after weeks of inactivity. New cron job <code>[scarf:oauth-keepalive]</code> (managed by Scarf) pings Hermes on a daily cadence; the in-app Refresh All Sessions action mirrors the same path on demand.</li>
<li><strong>Remote re-auth.</strong> Re-authenticating against a remote droplet&#x27;s OAuth provider used to be blocked by the lack of a stdin path through SSHTransport. The OAuth flow now drives a remote <code>hermes auth add</code> correctly with stdin forwarded.</li>
<li><strong>OAuth remove button.</strong> Per-provider remove action in Credential Pools (auth.json edit), with confirmation dialog. Companion auto-refresh of the view when <code>auth.json</code> changes externally (file-watcher).</li>
<li><strong><code>resolve_provider_client</code> error classification.</strong> When an auxiliary task references a provider whose credentials aren&#x27;t loaded, Hermes prints <code>resolve_provider_client: &lt;name&gt; requested but &lt;Display Name&gt; not configured</code> to stderr — pre-fix this surfaced in chat as the opaque <code>-32603 Internal error</code> with no actionable detail. Now classified into a clear hint pointing at Settings → Aux Models.</li>
<li><strong>Aux Tab unknown-task surface.</strong> When <code>config.yaml</code> has an <code>auxiliary.&lt;task&gt;</code> block for a task Scarf doesn&#x27;t know about (newer Hermes added it; Scarf hasn&#x27;t caught up), render it as a plain row with the raw provider/model values instead of dropping it silently.</li>
<li><strong>Credential Pools refresh after OAuth sheet dismiss.</strong> Closing the OAuth sheet after a successful add now refreshes the list immediately instead of leaving the just-added pool hidden until the next file-watcher tick.</li>
</ul>
<hr>
<h3>ScarfMon — performance instrumentation harness</h3>
<p>The diagnostic surface that drove the bulk of the v2.7 perf work. Off by default; signpost-only mode (Instruments-friendly) is free; Full mode (4096-entry in-memory ring buffer + os.Logger) is a click away in Settings → Diagnostics → Performance. Wiki: https://github.com/awizemann/scarf/wiki/Performance-Monitoring</p>
<ul>
<li><strong>Phases 1-3</strong> built the core: dispatcher + ring buffer + 3 backends, chat / transport / sqlite measure points, diagnostic counters for chat-render bursts, finalize-burst dampening.</li>
<li><strong>Tier A + B</strong> added per-feature instrumentation: iOS file watcher, sessions list, model catalog, dashboard widgets, image encoder, message hydration.</li>
<li><strong>Nous picker investigation</strong> localized a 60s + 120s beach-ball to a specific path (Nous catalog <code>readCache</code>), then killed the 120s one with dedupe + 5s timeout.</li>
<li><strong>Tier C catch-up</strong> (this release): instrumented Memory / Skills / Cron / Curator load paths so future captures show how often these tabs cost multiple sequential SFTP RTTs on remote.</li>
<li><strong>Per-call bytes recorded</strong> on transport + sqlite events so captures show payload sizes alongside latencies.</li>
<li><strong><code>mac.emptyAssistantTurn</code> event</strong> documents the Nous quirk where the model returns a thought stream with no body (the bubble looks like Hermes is &quot;still thinking&quot; but the turn already finished).</li>
</ul>
<p>Adding a new measure point is two lines. The harness covers Mac and iOS uniformly. The &quot;Copy as JSON&quot; button exports the ring buffer for paste-into-issue diagnosis.</p>
<hr>
<h3>Other fixes + polish</h3>
<ul>
<li><strong>Sessions sidebar reload debounce</strong> — file-watcher deltas during streaming used to flicker the sessions list. Coalesced into one trailing fetch ~500ms after the last tick.</li>
<li><strong>Session-load pagination + race guard</strong> — switching to a small chat while a larger one is mid-fetch could last-write-wins the small chat away. Three race-checks against <code>self.sessionId</code> prevent the stale fetch from overwriting.</li>
<li><strong>Sessions + previews batched</strong> — two separate SSH calls folded into one <code>queryBatch</code> round trip, halving the round-trips for every sidebar refresh.</li>
<li><strong>Remote SQLite query timeout</strong> bumped 15→30s to better tolerate slow links; in-flight query coalescing dedupes concurrent identical queries.</li>
<li><strong><code>Thread.sleep</code> spin replaced</strong> with a kernel-wait via <code>DispatchGroup</code> for <code>runLocal</code> timeout; under concurrent SSH load the old loop accumulated spin-blocked threads and produced 7-second outliers in <code>loadRecentSessions</code>.</li>
<li><strong>Window position + size</strong> persists across launches.</li>
<li><strong>Sidebar reorder</strong> — Projects promoted to first section; profile chip moved under server name.</li>
<li><strong><code>stop</code> badge suppressed</strong> on metadata footer for normal turn ends (it was firing for every clean completion, looking like an error).</li>
<li><strong>Nous picker search field</strong> + <code>model-picker</code> filter for the long Nous overlay model list.</li>
<li><strong><code>oauth-keepalive</code> cron create</strong> — drop the <code>--silent</code> flag Hermes doesn&#x27;t accept.</li>
<li><strong>Snapshot pipeline rewritten</strong> — replaced the <code>sqlite3 .backup</code>-then-download pipeline with direct SSH-streamed query execution (issue <a href="https://github.com/awizemann/scarf/issues/74">#74</a>). Eliminates the multi-minute snapshot wait on multi-GB state.db files. Companion fix: pre-expand <code>~/</code> in Swift via <code>resolvedUserHome</code> so sqlite3 finds the DB without depending on the remote shell&#x27;s tilde expansion.</li>
<li><strong>Aux nested-YAML parser</strong> — corrected the parser so the unknown-task surface works on remote (was previously dropping aux blocks whose <code>provider:</code> value lived on a separate line).</li>
<li><strong><code>ModelPreflight</code> newline trim bug</strong> — <code>.whitespaces</code> doesn&#x27;t strip newlines; switched both trims to <code>.whitespacesAndNewlines</code> so a stray <code>\n</code> in a hand-edited config.yaml doesn&#x27;t false-positive the mismatch banner.</li>
</ul>
<hr>
<h3>What&#x27;s measured today</h3>
<p>321 ScarfCore tests pass (302 prior + 19 new ModelPreflight). New ScarfMon events documented in the <a href="https://github.com/awizemann/scarf/wiki/Performance-Monitoring">Performance-Monitoring wiki</a>.</p>
<h3>Compatibility</h3>
<ul>
<li>macOS 14+ (unchanged).</li>
<li>Hermes target: still <strong>v2026.4.30 (v0.12.0)</strong>. No new Hermes capability gates added.</li>
<li>Existing <code>dashboard.json</code> files render unchanged.</li>
<li>Existing <code>.scarftemplate</code> bundles install unchanged. Catalog manifest schemaVersion stays at 1/2/3 — no bump.</li>
<li>Existing <code>~/.hermes/.env</code> content is preserved byte-identically — Scarf only writes inside its <code># scarf-secrets:begin &lt;slug&gt;</code> / <code># scarf-secrets:end &lt;slug&gt;</code> regions.</li>
<li>The skeleton-then-hydrate chat loader and SSH cancellation propagation are <strong>Mac-only</strong> in this release; ScarfGo (iOS) keeps its existing chat path.</li>
</ul>
<h3>What&#x27;s deferred</h3>
<ul>
<li><strong>Per-widget data sources + per-widget refresh granularity.</strong> The general &quot;widget points at a typed data source&quot; abstraction is the next-largest win in dashboards but materially expands the model + JS mirror + validator surface. The project-wide watch covers the common cron-driven workflow without it.</li>
<li><strong>Cross-project health digest sidebar rollup.</strong> Counting attention-needed projects across the registry — scoped but didn&#x27;t pull its weight. The typed status enum makes it cheap to add later.</li>
<li><strong>Automatic cron-prompt rewriter on upgrade.</strong> Heuristic rewrites of free-form prompts are risky; the docs + agent-assisted path ships in v2.7. Revisit a &quot;scan + fix&quot; UI in v2.8 if real users miss the migration.</li>
<li><strong>iOS New Project wizard + iOS Keychain-env mirror.</strong> ScarfGo&#x27;s project surface is read-only; the wizard&#x27;s chat-handoff pattern depends on Mac-only ACP plumbing.</li>
<li><strong>iOS skeleton-then-hydrate loaders.</strong> Same data-service surfaces are public, but the iOS chat lifecycle is structured differently. Defer until iOS dogfooding shows the same payload-size pain.</li>
<li><strong>Tier C redesigns (Memory/Skills/Cron/Curator).</strong> Instrumented in v2.7; redesign waits for capture data showing which path actually needs the skeleton-then-hydrate treatment.</li>
</ul>
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
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<title>Scarf — Native Mac &amp; iOS app for your Hermes AI agent</title>
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<main id="main">
<!-- Hero -->
<section class="hero" id="hero" aria-labelledby="hero-title">
<div class="hero-copy">
<h1 id="hero-title">Native Mac &amp; iOS app<br>for your Hermes AI agent.</h1>
<p class="hero-lede">
Scarf is a native macOS and iOS GUI for the
<a href="https://github.com/hermes-ai/hermes-agent" rel="noopener">Hermes AI agent</a>.
See every session, project, skill, memory file, and cron job — locally on your Mac
and remotely from your iPhone over SSH.
</p>
<div class="cta-row">
<a class="btn btn-primary" href="https://github.com/awizemann/scarf/releases/latest" rel="noopener">
<span>Download for Mac</span>
<span class="btn-meta">macOS 14.6+ · Apple Silicon &amp; Intel</span>
</a>
<a class="btn btn-secondary" href="https://testflight.apple.com/join/qCrRpcTz" rel="noopener">
<span>Get on iPhone</span>
<span class="btn-meta">TestFlight · iOS 18+</span>
</a>
</div>
<p class="hero-prereq">
Requires <a href="https://github.com/hermes-ai/hermes-agent" rel="noopener">Hermes</a> installed at <code>~/.hermes/</code>.
</p>
</div>
<div class="hero-visual" aria-hidden="false">
<picture class="hero-mac">
<source media="(prefers-color-scheme: dark)" srcset="assets/screenshots/mac-hero-dark.png">
<img data-dark-src="assets/screenshots/mac-hero-dark.png" src="assets/screenshots/mac-hero.png"
alt="Scarf on macOS — chat view streaming a response with a tool-call card"
width="1600" height="1000"
fetchpriority="high" decoding="async">
</picture>
<picture class="hero-iphone">
<img src="assets/screenshots/ios-chat.png"
alt="ScarfGo on iPhone — chat with the Hermes agent over SSH"
width="430" height="932"
decoding="async">
</picture>
</div>
</section>
<!-- Trust strip -->
<aside class="trust-strip" aria-label="At a glance">
<ul>
<li>Native Swift 6</li>
<li>No Electron</li>
<li>MIT licensed</li>
<li>Sparkle auto-updates</li>
<li>macOS 14.6+ &nbsp;·&nbsp; iOS 18+</li>
</ul>
</aside>
<!-- What Scarf does (AEO load-bearing paragraph) -->
<section class="what" id="what" aria-labelledby="what-title">
<h2 id="what-title">What Scarf does</h2>
<p>
Scarf is a native macOS and iOS GUI for the Hermes AI agent. It surfaces every part of a
running Hermes installation — chat sessions, project workspaces, memory files, installed
skills, MCP servers, cron jobs, messaging gateways, logs, and configuration — through a
sidebar-driven app on Mac and a tab-based companion on iPhone. Scarf reads from
<code>~/.hermes/state.db</code> directly (read-only), streams agent replies in real time
over the Agent Client Protocol, and connects to remote Hermes installations through your
existing SSH config. There is no telemetry, no login, and no separate cloud service.
</p>
</section>
<!-- Mac feature blocks -->
<section class="features" id="features" aria-labelledby="features-title">
<h2 id="features-title" class="section-heading">Built for the way Hermes actually works</h2>
<article class="feature feature-flip">
<div class="feature-text">
<h3>Live agent sessions</h3>
<p>
Real-time streaming chat over the Agent Client Protocol. Tool calls render inline with
collapsible argument and output panes. Tool-permission requests surface as interactive
dialogs you can approve, deny, or stage. Reasoning and thinking blocks display when the
model emits them. Resume any prior session from the sidebar, or jump back into a
conversation that disconnected — Scarf reconnects to the same session id.
</p>
</div>
<div class="feature-visual">
<picture>
<source media="(prefers-color-scheme: dark)" srcset="assets/screenshots/mac-chat-dark.png">
<img data-dark-src="assets/screenshots/mac-chat-dark.png" src="assets/screenshots/mac-chat.png"
alt="Mac app — chat view with a tool-call card and a streaming response"
width="1600" height="1000" loading="lazy" decoding="async">
</picture>
</div>
</article>
<article class="feature">
<div class="feature-text">
<h3>Project workspaces</h3>
<p>
Per-project chat with the agent's working directory pinned, custom dashboards rendered
from a JSON spec the agent itself can author, project-scoped slash commands defined as
Markdown files, and a Scarf-managed <code>AGENTS.md</code> block that gives Hermes
project context before every session boots. Templates package these into a single
<code>.scarftemplate</code> bundle you can share or install with one click.
</p>
</div>
<div class="feature-visual">
<picture>
<source media="(prefers-color-scheme: dark)" srcset="assets/screenshots/mac-projects-dark.png">
<img data-dark-src="assets/screenshots/mac-projects-dark.png" src="assets/screenshots/mac-projects.png"
alt="Mac app — project dashboard with stat boxes and a chart widget"
width="1600" height="1000" loading="lazy" decoding="async">
</picture>
</div>
</article>
<article class="feature feature-flip">
<div class="feature-text">
<h3>Multi-server over SSH</h3>
<p>
One window per Hermes server. Local <code>~/.hermes/</code> is synthesized
automatically; remote servers connect through your existing
<code>~/.ssh/config</code>, ssh-agent, ProxyJump, and ControlMaster. File I/O routes
through scp/sftp; the SQLite database is served from atomic snapshots; chat tunnels as
<code>ssh -T host hermes acp</code> with JSON-RPC end-to-end. There is no companion
service in the middle.
</p>
</div>
<div class="feature-visual">
<picture>
<source media="(prefers-color-scheme: dark)" srcset="assets/screenshots/mac-sessions-dark.png">
<img data-dark-src="assets/screenshots/mac-sessions-dark.png" src="assets/screenshots/mac-sessions.png"
alt="Mac app — sessions browser filtered to a remote server"
width="1600" height="1000" loading="lazy" decoding="async">
</picture>
</div>
</article>
<article class="feature">
<div class="feature-text">
<h3>Memory, skills, MCP</h3>
<p>
Edit <code>MEMORY.md</code> and <code>USER.md</code> with live file-watcher refresh and
external-provider awareness. Browse the Skills Hub across six registries, install,
update, and inspect <code>SKILL.md</code> frontmatter. Configure MCP servers from a
curated preset list (GitHub, Linear, Notion, Sentry, Stripe) or fully custom; test the
connection in-app and watch the discovered tool list populate.
</p>
</div>
<div class="feature-visual">
<picture>
<source media="(prefers-color-scheme: dark)" srcset="assets/screenshots/mac-mcp-dark.png">
<img data-dark-src="assets/screenshots/mac-mcp-dark.png" src="assets/screenshots/mac-mcp.png"
alt="Mac app — MCP servers configuration view"
width="1600" height="1000" loading="lazy" decoding="async">
</picture>
</div>
</article>
<article class="feature feature-flip">
<div class="feature-text">
<h3>Cron &amp; messaging gateways</h3>
<p>
Create, edit, pause, resume, run-now, and delete cron jobs without touching the CLI —
with human-readable schedules ("Every weekday at 9:00 AM") and the underlying
expression a tap away. Native GUI for thirteen messaging platforms (Telegram, Discord,
Slack, WhatsApp, Signal, iMessage, Email, Matrix, Mattermost, Feishu, Home Assistant,
Webhook, CLI) with per-platform credential forms and connectivity dots.
</p>
</div>
<div class="feature-visual">
<picture>
<source media="(prefers-color-scheme: dark)" srcset="assets/screenshots/mac-cron-dark.png">
<img data-dark-src="assets/screenshots/mac-cron-dark.png" src="assets/screenshots/mac-cron.png"
alt="Mac app — cron manager with paused and active jobs"
width="1600" height="1000" loading="lazy" decoding="async">
</picture>
</div>
</article>
<article class="feature">
<div class="feature-text">
<h3>Insights &amp; health</h3>
<p>
Token usage and cost broken down by day, model, and platform; reasoning tokens
tracked separately. Activity heatmaps and notable sessions across 7, 30, 90 days, or
all time. Component-level health checks, on-demand diagnostics, and a one-click debug
report uploader for Hermes support — with a confirmation dialog before anything
leaves the machine.
</p>
</div>
<div class="feature-visual">
<picture>
<source media="(prefers-color-scheme: dark)" srcset="assets/screenshots/mac-dashboard-dark.png">
<img data-dark-src="assets/screenshots/mac-dashboard-dark.png" src="assets/screenshots/mac-dashboard.png"
alt="Mac app — dashboard with token usage, recent sessions, and health"
width="1600" height="1000" loading="lazy" decoding="async">
</picture>
</div>
</article>
</section>
<!-- iOS / ScarfGo -->
<section class="ios" id="ios" aria-labelledby="ios-title">
<div class="ios-copy">
<p class="eyebrow">ScarfGo for iPhone</p>
<h2 id="ios-title">Your Hermes agent, on your phone.</h2>
<p>
ScarfGo is the native iOS companion to Scarf. It speaks SSH directly to your Hermes
host using <a href="https://github.com/orlandos-nl/Citadel" rel="noopener">Citadel</a> — a
pure-Swift SSH stack, no companion service, no developer-controlled relay. Generate an
Ed25519 keypair on the device, paste the public half into <code>authorized_keys</code>,
and you have full project-aware chat, session resume, memory editing, cron browsing,
and skill management on iOS 18+.
</p>
<ul class="ios-points">
<li>Pure-Swift SSH — keys live in the iOS Keychain and never leave the device.</li>
<li>Multi-server: connect to as many Hermes hosts as you have SSH access to.</li>
<li>Project-scoped chat writes the same Scarf-managed <code>AGENTS.md</code> block as Mac.</li>
<li>Same session attribution, so "which project does this conversation belong to?" matches across devices.</li>
</ul>
<a class="btn btn-primary" href="https://testflight.apple.com/join/qCrRpcTz" rel="noopener">
<span>Join the public TestFlight</span>
<span class="btn-meta">iOS 18+</span>
</a>
</div>
<div class="ios-gallery" role="list" aria-label="ScarfGo screenshots">
<div class="phone-frame" role="listitem">
<img src="assets/screenshots/ios-servers.png" alt="ScarfGo — server picker with two configured Hermes hosts" loading="lazy" decoding="async" width="430" height="932">
</div>
<div class="phone-frame" role="listitem">
<img src="assets/screenshots/ios-chat.png" alt="ScarfGo — chat with the Hermes agent" loading="lazy" decoding="async" width="430" height="932">
</div>
<div class="phone-frame" role="listitem">
<img src="assets/screenshots/ios-project-dashboard.png" alt="ScarfGo — project dashboard" loading="lazy" decoding="async" width="430" height="932">
</div>
<div class="phone-frame" role="listitem">
<img src="assets/screenshots/ios-skills.png" alt="ScarfGo — skills browser" loading="lazy" decoding="async" width="430" height="932">
</div>
<div class="phone-frame" role="listitem">
<img src="assets/screenshots/ios-system.png" alt="ScarfGo — system tab" loading="lazy" decoding="async" width="430" height="932">
</div>
</div>
</section>
<!-- Why native -->
<section class="why" id="why" aria-labelledby="why-title">
<h2 id="why-title" class="section-heading">Why a native app</h2>
<div class="why-grid">
<article class="why-card">
<h3>Native, not Electron</h3>
<p>
One Mach-O binary. SwiftUI on macOS 14.6+ and iOS 18+. Kilobytes of memory and
negligible energy use compared to a bundled Chromium. Drag-and-drop, sharing, the
menu bar, Spotlight, and accessibility all behave the way a Mac or iPhone user
expects.
</p>
</article>
<article class="why-card">
<h3>Read-only safe</h3>
<p>
Scarf opens <code>~/.hermes/state.db</code> in read-only WAL mode. The app cannot
corrupt your Hermes data even if it crashes mid-write — because it never writes.
Memory files and cron jobs are the only mutable surfaces, both with explicit
confirmations.
</p>
</article>
<article class="why-card">
<h3>Open and inspectable</h3>
<p>
<a href="https://github.com/awizemann/scarf" rel="noopener">MIT licensed</a>, pure
Swift, zero external runtime dependencies. Build it yourself with
<code>xcodebuild</code> in two minutes. Sparkle auto-updates ship signed,
notarized, EdDSA-verified zips — never silent over-the-wire mutations.
</p>
</article>
</div>
</section>
<!-- Templates teaser -->
<section class="templates" id="templates" aria-labelledby="templates-title">
<h2 id="templates-title">Project templates</h2>
<p>
A <code>.scarftemplate</code> bundle packages a project's dashboard, skills, cron jobs,
memory blocks, slash commands, and configuration schema into one shareable file.
Browse the public catalog and install with a single click.
</p>
<a class="btn btn-secondary" href="templates/">Browse the template catalog →</a>
</section>
<!-- Download -->
<section class="download" id="download" aria-labelledby="download-title">
<h2 id="download-title" class="section-heading">Download</h2>
<div class="download-grid">
<article class="download-card">
<h3>Scarf for Mac</h3>
<p class="download-meta">macOS 14.6 (Sonoma) or later · Apple Silicon &amp; Intel · Universal binary</p>
<ul class="download-points">
<li>Notarized, code-signed Developer ID build</li>
<li>Sparkle auto-updates with EdDSA signature verification</li>
<li>Free and open source under the MIT license</li>
</ul>
<a class="btn btn-primary" href="https://github.com/awizemann/scarf/releases/latest" rel="noopener">
<span>Get the latest release</span>
<span class="btn-meta">GitHub Releases · .zip</span>
</a>
</article>
<article class="download-card">
<h3>ScarfGo for iPhone</h3>
<p class="download-meta">iOS 18.0 or later · iPhone · public TestFlight</p>
<ul class="download-points">
<li>Pure-Swift SSH — no companion service required</li>
<li>Multi-server support, identical to Mac</li>
<li>Free and open source under the MIT license</li>
</ul>
<a class="btn btn-primary" href="https://testflight.apple.com/join/qCrRpcTz" rel="noopener">
<span>Join the TestFlight</span>
<span class="btn-meta">Apple TestFlight</span>
</a>
</article>
</div>
<p class="download-prereq">
Both apps require <a href="https://github.com/hermes-ai/hermes-agent" rel="noopener">Hermes</a>
installed at <code>~/.hermes/</code> on each host you want to manage. Scarf does not include
Hermes itself — see the
<a href="https://github.com/hermes-ai/hermes-agent#installation" rel="noopener">Hermes installation
guide</a> first.
</p>
</section>
<!-- FAQ -->
<section class="faq" id="faq" aria-labelledby="faq-title">
<h2 id="faq-title" class="section-heading">Frequently asked questions</h2>
<div class="faq-list">
<details>
<summary>What is Scarf?</summary>
<div>
<p>Scarf is a native macOS and iOS GUI for the <a href="https://github.com/hermes-ai/hermes-agent" rel="noopener">Hermes AI agent</a>. It surfaces Hermes's sessions, projects, memory, skills, MCP servers, cron jobs, messaging gateways, logs, and configuration through a sidebar-driven Mac app and a tab-based iPhone companion called ScarfGo.</p>
</div>
</details>
<details>
<summary>Do I need Hermes installed first?</summary>
<div>
<p>Yes. Scarf is a client for an existing Hermes installation. It expects to find Hermes's data directory at <code>~/.hermes/</code> on each host you connect to (local or remote). Install Hermes first by following the <a href="https://github.com/hermes-ai/hermes-agent#installation" rel="noopener">Hermes installation guide</a>.</p>
</div>
</details>
<details>
<summary>Does Scarf work without internet?</summary>
<div>
<p>Yes for the local Hermes case — Scarf reads files and the SQLite database directly from <code>~/.hermes/</code> with no network involvement. Internet is only required when Hermes itself reaches out to model providers or MCP servers, when you connect to a remote Hermes host over SSH, or when checking for Sparkle updates.</p>
</div>
</details>
<details>
<summary>Is Scarf open source?</summary>
<div>
<p>Yes. Both Scarf and ScarfGo are <a href="https://github.com/awizemann/scarf/blob/main/LICENSE" rel="noopener">MIT licensed</a> and built from the same open repository at <a href="https://github.com/awizemann/scarf" rel="noopener">github.com/awizemann/scarf</a>. There are no closed-source components and no telemetry.</p>
</div>
</details>
<details>
<summary>What macOS and iOS versions are supported?</summary>
<div>
<p>Scarf for Mac requires macOS 14.6 Sonoma or later, on Apple Silicon or Intel. ScarfGo for iPhone requires iOS 18.0 or later. Both are universal builds; there is no separate Apple Silicon download.</p>
</div>
</details>
<details>
<summary>How does ScarfGo connect to my Mac?</summary>
<div>
<p>ScarfGo speaks SSH directly to your Hermes host using a pure-Swift SSH stack (Citadel). On first launch it generates an Ed25519 keypair on the device — the private key lives in the iOS Keychain (with <code>kSecAttrAccessibleAfterFirstUnlockThisDeviceOnly</code>) and is excluded from iCloud sync. Paste the public key into the host's <code>~/.ssh/authorized_keys</code>, and ScarfGo can run <code>hermes acp</code> over the SSH session for chat and read the SQLite database for everything else. There is no companion service or developer-controlled relay.</p>
</div>
</details>
<details>
<summary>What data does Scarf collect?</summary>
<div>
<p>None. Scarf has no telemetry, no analytics, no crash reporter, and no account system. The only outbound network connections are to GitHub Releases (when you check for updates via Sparkle), to remote Hermes hosts you explicitly add, and to Hermes's own model providers and MCP servers — all initiated by Hermes, not Scarf.</p>
</div>
</details>
<details>
<summary>Where are my conversations stored?</summary>
<div>
<p>In Hermes's own data directory — <code>~/.hermes/state.db</code> for session history and <code>~/.hermes/sessions/session_*.json</code> for full transcripts. Scarf reads these files but never writes to <code>state.db</code>. ScarfGo reads them through SSH-initiated SQLite snapshots and never caches them locally on the device.</p>
</div>
</details>
<details>
<summary>How do updates work?</summary>
<div>
<p>Scarf for Mac uses <a href="https://sparkle-project.org/" rel="noopener">Sparkle</a> for in-app updates — signed and notarized zips with EdDSA signature verification. The appcast lives at <a href="appcast.xml">awizemann.github.io/scarf/appcast.xml</a>. ScarfGo updates through TestFlight in the usual way until it ships on the App Store.</p>
</div>
</details>
<details>
<summary>Can I use Scarf with a remote or headless Hermes server?</summary>
<div>
<p>Yes — that is one of the main use cases. Add the host through <strong>File → Open Server… → Add Server</strong> on Mac, or tap <strong>Add Server</strong> on the ScarfGo Servers tab. Scarf uses the system SSH config (Mac) or a device-generated key (iOS), so anything reachable through your normal terminal SSH workflow works without extra setup. The remote host needs <code>sqlite3</code> and <code>pgrep</code> on its <code>$PATH</code> and the SSH user needs read access to <code>~/.hermes/</code>.</p>
</div>
</details>
<details>
<summary>What's the difference between Scarf and using Hermes from the terminal?</summary>
<div>
<p>Scarf is strictly additive — it visualizes data Hermes already produces. The terminal CLI (<code>hermes chat</code>, <code>hermes cron</code>, <code>hermes mcp</code>, etc.) remains the source of truth for everything. Scarf gives you live streaming chat with rich tool-call rendering, multi-server windows, project workspaces with custom dashboards, and a one-pane view of skills, MCP servers, cron jobs, and gateways without memorizing CLI subcommands.</p>
</div>
</details>
<details>
<summary>Is there a Windows or Linux version?</summary>
<div>
<p>No. Scarf is built on SwiftUI and AppKit and ships only for Apple platforms. There are no current plans for Windows or Linux ports — the
<a href="https://github.com/hermes-ai/hermes-agent" rel="noopener">Hermes CLI</a> itself works on those platforms, and Scarf can connect to a remote Linux Hermes host from a Mac.</p>
</div>
</details>
</div>
</section>
</main>
<footer class="site-footer" role="contentinfo">
<div class="footer-inner">
<div class="footer-brand">
<img src="assets/scarf-icon-512.png" width="40" height="40" alt="" decoding="async">
<p>Scarf is made by <a href="https://github.com/awizemann" rel="noopener">Alan Wizemann</a>. MIT licensed.</p>
</div>
<nav class="footer-nav" aria-label="Footer">
<div>
<h4>Project</h4>
<ul>
<li><a href="https://github.com/awizemann/scarf" rel="noopener">GitHub</a></li>
<li><a href="https://github.com/awizemann/scarf/wiki" rel="noopener">Wiki</a></li>
<li><a href="https://github.com/awizemann/scarf/releases" rel="noopener">Releases</a></li>
<li><a href="https://github.com/awizemann/scarf/blob/main/LICENSE" rel="noopener">License (MIT)</a></li>
</ul>
</div>
<div>
<h4>Community</h4>
<ul>
<li><a href="templates/">Template catalog</a></li>
<li><a href="https://github.com/awizemann/scarf/discussions" rel="noopener">Discussions</a></li>
<li><a href="https://github.com/awizemann/scarf/issues" rel="noopener">Report a bug</a></li>
<li><a href="https://www.buymeacoffee.com/awizemann" rel="noopener">Buy me a coffee</a></li>
</ul>
</div>
<div>
<h4>Technical</h4>
<ul>
<li><a href="appcast.xml">Sparkle appcast</a></li>
<li><a href="llms.txt">llms.txt</a></li>
<li><a href="https://github.com/hermes-ai/hermes-agent" rel="noopener">Hermes agent</a></li>
<li><a href="https://testflight.apple.com/join/qCrRpcTz" rel="noopener">TestFlight (iOS)</a></li>
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"@type": "Offer",
"price": "0",
"priceCurrency": "USD"
},
"author": {
"@type": "Person",
"name": "Alan Wizemann",
"url": "https://github.com/awizemann"
}
},
{
"@type": "FAQPage",
"mainEntity": [
{
"@type": "Question",
"name": "What is Scarf?",
"acceptedAnswer": {
"@type": "Answer",
"text": "Scarf is a native macOS and iOS GUI for the Hermes AI agent. It surfaces Hermes's sessions, projects, memory, skills, MCP servers, cron jobs, messaging gateways, logs, and configuration through a sidebar-driven Mac app and a tab-based iPhone companion called ScarfGo."
}
},
{
"@type": "Question",
"name": "Do I need Hermes installed first?",
"acceptedAnswer": {
"@type": "Answer",
"text": "Yes. Scarf is a client for an existing Hermes installation. It expects to find Hermes's data directory at ~/.hermes/ on each host you connect to. Install Hermes first by following the Hermes installation guide."
}
},
{
"@type": "Question",
"name": "Does Scarf work without internet?",
"acceptedAnswer": {
"@type": "Answer",
"text": "Yes for the local Hermes case — Scarf reads files and the SQLite database directly from ~/.hermes/ with no network involvement. Internet is only required when Hermes itself reaches out to model providers or MCP servers, when connecting to a remote Hermes host over SSH, or when checking for Sparkle updates."
}
},
{
"@type": "Question",
"name": "Is Scarf open source?",
"acceptedAnswer": {
"@type": "Answer",
"text": "Yes. Both Scarf and ScarfGo are MIT licensed and built from the same open repository at github.com/awizemann/scarf. There are no closed-source components and no telemetry."
}
},
{
"@type": "Question",
"name": "What macOS and iOS versions are supported?",
"acceptedAnswer": {
"@type": "Answer",
"text": "Scarf for Mac requires macOS 14.6 Sonoma or later, on Apple Silicon or Intel. ScarfGo for iPhone requires iOS 18.0 or later. Both are universal builds."
}
},
{
"@type": "Question",
"name": "How does ScarfGo connect to my Mac?",
"acceptedAnswer": {
"@type": "Answer",
"text": "ScarfGo speaks SSH directly to your Hermes host using Citadel, a pure-Swift SSH stack. On first launch it generates an Ed25519 keypair on the device — the private key lives in the iOS Keychain and never leaves the phone. Paste the public key into the host's authorized_keys and ScarfGo can run hermes acp over the SSH session for chat and read the SQLite database for everything else. There is no companion service or relay."
}
},
{
"@type": "Question",
"name": "What data does Scarf collect?",
"acceptedAnswer": {
"@type": "Answer",
"text": "None. Scarf has no telemetry, no analytics, no crash reporter, and no account system. The only outbound network connections are to GitHub Releases (Sparkle update checks), remote Hermes hosts you explicitly add, and Hermes's own model providers and MCP servers — all initiated by Hermes, not Scarf."
}
},
{
"@type": "Question",
"name": "Where are my conversations stored?",
"acceptedAnswer": {
"@type": "Answer",
"text": "In Hermes's own data directory — ~/.hermes/state.db for session history and ~/.hermes/sessions/session_*.json for full transcripts. Scarf reads these files but never writes to state.db. ScarfGo reads them through SSH-initiated SQLite snapshots and never caches them locally on the device."
}
},
{
"@type": "Question",
"name": "How do updates work?",
"acceptedAnswer": {
"@type": "Answer",
"text": "Scarf for Mac uses Sparkle for in-app updates — signed and notarized zips with EdDSA signature verification. The appcast lives at awizemann.github.io/scarf/appcast.xml. ScarfGo updates through TestFlight in the usual way until it ships on the App Store."
}
},
{
"@type": "Question",
"name": "Can I use Scarf with a remote or headless Hermes server?",
"acceptedAnswer": {
"@type": "Answer",
"text": "Yes. Add the host through File → Open Server… → Add Server on Mac, or Add Server on ScarfGo. Scarf uses the system SSH config (Mac) or a device-generated key (iOS), so anything reachable through normal terminal SSH works without extra setup. The remote host needs sqlite3 and pgrep on its PATH and the SSH user needs read access to ~/.hermes/."
}
},
{
"@type": "Question",
"name": "What's the difference between Scarf and using Hermes from the terminal?",
"acceptedAnswer": {
"@type": "Answer",
"text": "Scarf is strictly additive — it visualizes data Hermes already produces. The terminal CLI remains the source of truth. Scarf gives you live streaming chat with rich tool-call rendering, multi-server windows, project workspaces with custom dashboards, and a one-pane view of skills, MCP servers, cron jobs, and gateways without memorizing CLI subcommands."
}
},
{
"@type": "Question",
"name": "Is there a Windows or Linux version?",
"acceptedAnswer": {
"@type": "Answer",
"text": "No. Scarf is built on SwiftUI and AppKit and ships only for Apple platforms. The Hermes CLI itself works on those platforms, and Scarf can connect to a remote Linux Hermes host from a Mac."
}
}
]
}
]
}
</script>
<script src="app.js" defer></script>
</body>
</html>
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# Scarf
> Scarf is a native macOS and iOS GUI for the Hermes AI agent. It surfaces every part of a running Hermes installation — chat sessions, project workspaces, memory files, installed skills, MCP servers, cron jobs, messaging gateways, logs, and configuration — through a sidebar-driven Mac app and a tab-based iPhone companion called ScarfGo.
Both apps are free, MIT licensed, and built from a single open repository. Scarf reads from `~/.hermes/state.db` directly (read-only) and streams agent replies in real time over the Agent Client Protocol. It connects to remote Hermes installations using the host's existing SSH config — no companion service, no telemetry, no account.
## Quick facts
- **Platforms:** macOS 14.6+ Sonoma (Apple Silicon and Intel), iOS 18+
- **License:** MIT
- **Repository:** https://github.com/awizemann/scarf
- **Author:** Alan Wizemann
- **Hermes prerequisite:** https://github.com/hermes-ai/hermes-agent installed at `~/.hermes/`
- **Mac download:** https://github.com/awizemann/scarf/releases/latest
- **iOS download:** https://testflight.apple.com/join/qCrRpcTz (public TestFlight)
- **Auto-updates (Mac):** Sparkle, with EdDSA signature verification
- **Telemetry:** none
## Documentation
- [README](https://github.com/awizemann/scarf/blob/main/README.md): project overview, full feature list, build instructions
- [Wiki](https://github.com/awizemann/scarf/wiki): user guide, architecture, design system reference
- [Wiki — ScarfGo](https://github.com/awizemann/scarf/wiki/ScarfGo): iOS companion details
- [Wiki — ScarfGo Onboarding](https://github.com/awizemann/scarf/wiki/ScarfGo-Onboarding): SSH key setup walkthrough
- [Wiki — Platform Differences](https://github.com/awizemann/scarf/wiki/Platform-Differences): what is and isn't shared between Mac and iOS
- [Releases](https://github.com/awizemann/scarf/releases): release notes for every version
- [License](https://github.com/awizemann/scarf/blob/main/LICENSE): MIT
## Feature surfaces
Mac (sidebar sections):
- **Monitor:** Dashboard, Insights, Sessions Browser, Activity Feed
- **Interact:** Live Chat (ACP streaming + Terminal mode), Memory Viewer/Editor, Skills Browser
- **Configure:** Platforms, Personalities, Quick Commands, Credential Pools, Plugins, Webhooks, Profiles
- **Manage:** Tools, MCP Servers, Gateway Control, Cron Manager, Health, Log Viewer, Settings
- **Project Dashboards:** custom JSON-defined dashboards rendered by Scarf, populated by the agent
- **System:** Hermes process control, menu bar status
iOS (ScarfGo, tabs):
- Servers (multi-host management with pure-Swift SSH)
- Dashboard (stats + recent sessions per server)
- Chat (full ACP, project-scoped)
- Sessions (resume, attribute to projects)
- Memory editor (read/write `MEMORY.md`, `USER.md`)
- Cron (list view, human-readable schedules)
- Skills browser (categories + prereq banners)
- Settings (read-only `config.yaml`)
## Differentiators
- Native SwiftUI, not Electron — single Mach-O binary, kilobytes of memory, full system integration
- Read-only access to `state.db` — Scarf cannot corrupt Hermes data because it never writes
- Multi-server: one window per Hermes host on Mac, multi-server on iOS, all over standard SSH
- Project-scoped chat with Scarf-managed `AGENTS.md` block injected before session boot
- Portable `.scarftemplate` bundles for sharing project setups (dashboards, skills, cron jobs, slash commands)
- Live ACP streaming with rich tool-call rendering, permission dialogs, voice control
- 13 messaging platforms managed in one native UI (Telegram, Discord, Slack, WhatsApp, Signal, iMessage, Email, Matrix, Mattermost, Feishu, Home Assistant, Webhook, CLI)
- Open and inspectable — pure Swift, MIT, no external runtime dependencies
## Optional
- [Templates Catalog](https://awizemann.github.io/scarf/templates/): community-contributed `.scarftemplate` bundles, one-click install
- [Sparkle Appcast](https://awizemann.github.io/scarf/appcast.xml): the auto-update feed (RSS/XML)
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{
"name": "Scarf",
"short_name": "Scarf",
"description": "Native macOS and iOS GUI for the Hermes AI agent.",
"start_url": "./",
"scope": "./",
"display": "browser",
"background_color": "#FAF7F2",
"theme_color": "#C2563D",
"icons": [
{
"src": "assets/icon-192.png",
"type": "image/png",
"sizes": "192x192",
"purpose": "any"
},
{
"src": "assets/icon-512.png",
"type": "image/png",
"sizes": "512x512",
"purpose": "any"
}
]
}
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## What's New in 1.6.1
### Auto-updates
Scarf now ships with [Sparkle](https://sparkle-project.org). On launch (and daily thereafter) it checks an EdDSA-signed appcast at [awizemann.github.io/scarf/appcast.xml](https://awizemann.github.io/scarf/appcast.xml). When a new version is available you'll get an in-app update prompt — no more manually downloading zips and dragging into Applications.
You can disable automatic checks or trigger a manual one from **Settings → General → Updates**, the menu bar icon, or the **Scarf → Check for Updates…** menu item.
### Notarized & Developer ID signed
This is the first release that's properly Developer ID signed and notarized by Apple. Gatekeeper accepts it on first launch — no more right-click → Open dance, no more "Scarf cannot be opened because the developer cannot be verified" warnings.
### Fixes
- Chat works correctly when no terminal hermes session is running, and surfaces the real error when it can't reach the agent (b6df…)
### Under the hood
- Tracked `Info.plist` (replacing auto-generation) so signing-relevant keys live in version control
- New `UpdaterService` wraps Sparkle and is injected via SwiftUI `.environment()`
- One-command release pipeline at [scripts/release.sh](https://github.com/awizemann/scarf/blob/main/scripts/release.sh) handles archive → sign → notarize → staple → appcast → GitHub release → tag
---
**Migrating from 1.6.0:** unzip and replace your existing `Scarf.app` in `/Applications`. After this release, future updates install in-place via Sparkle.
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## What's New in 1.6.2
### Fixes
- **No more bogus "missing credentials" banner on Chat.** The orange "No AI provider credentials detected" warning was firing on the Chat tab whenever no session was selected, even for users whose credentials were configured and working. Root cause: the preflight check only inspected `~/.hermes/.env` and shell environment variables, missing the Credential Pools file at `~/.hermes/auth.json` (the in-app flow introduced in 1.6.0) and `api_key:` fields in `config.yaml`. The check now covers all four locations Hermes itself reads at runtime, so if you've added credentials via **Configure → Credential Pools**, the warning stays hidden.
### Polish
- Banner subtitle updated to point users at the in-app Credential Pools flow first, rather than prescribing `.env` edits.
---
**Upgrading from 1.6.1:** Sparkle will offer the update automatically. You can also trigger a check via **Scarf → Check for Updates…** or the menu bar icon.
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## What's New in 2.0
Scarf now manages **multiple Hermes installations** — your local `~/.hermes/` plus any number of remote Hermes instances reached over SSH. Every feature that worked on your Mac now works against a Linux server, a Mac mini on the network, or whatever other host has Hermes installed.
This is a major version bump because the entire service layer was rewritten around a `ServerContext` + `ServerTransport` abstraction, and because the window model changed from single-window-single-server to multi-window-one-server-per-window.
### Multi-server
- **Manage Servers** sheet lets you add, rename, and remove remote servers. Each entry is an SSH target (`user@host`, port, optional identity file, optional `remoteHome` override if your install isn't at `~/.hermes/`).
- Each window is bound to exactly one server. Open a second window via **File → Open Server** → pick a different server, and the two run side-by-side with independent state — chat, dashboards, activity, sessions, the lot.
- The menu bar status icon shows a summary across all registered servers (green hare = any Hermes running anywhere).
- Window-state restoration: quit + relaunch re-opens every window you had open, each reconnected to its bound server.
### Remote over SSH
- **ControlMaster connection pooling** — after the first auth, each remote primitive is a ~5ms tunnel call. Uses the system `ssh`, `scp`, `sftp` so your `~/.ssh/config`, ssh-agent, 1Password/Secretive SSH agents, and ProxyJump all work unchanged.
- **DB access via atomic snapshots** — Scarf runs `sqlite3 .backup` on the remote (WAL-safe, won't corrupt), flips the snapshot out of WAL mode, and pulls it down with `scp`. Snapshots are cached under `~/Library/Caches/scarf/snapshots/<server-id>/` and re-pulled when the file watcher sees a change on the remote's `state.db`.
- **ACP chat over SSH** — the Agent Client Protocol tunnel runs `ssh -T host -- hermes acp`. JSON-RPC over stdio travels end-to-end unmodified, so Rich Chat, streaming, tool calls, permission dialogs, and compression all work against the remote agent identically to local.
- **File watcher** — local uses FSEvents (instant); remote polls `stat` mtime every 3s with ControlMaster keeping the cost bounded. Views auto-refresh on any tick.
- **Cleanup on server-remove** — deleting a remote closes its ControlMaster socket (`ssh -O exit`), prunes its snapshot cache, and invalidates any process-wide caches keyed to its ID. App launch also sweeps orphaned snapshot dirs whose UUIDs are no longer in the registry.
### Chat UX overhaul
All of these were visible bugs during remote dogfooding and are now fixed on both local and remote:
- **No more white-screen flash** on the first message of a session. `RichChatView` used to swap `ContentUnavailableView` out for the message list, which tore down and recreated the entire ScrollView hierarchy. The empty state now lives inside the ScrollView itself.
- **No more scroll-jumping to whitespace** at stream start/finish. Replaced six racing `onChange`-driven scroll calls with SwiftUI's built-in `.defaultScrollAnchor(.bottom)`, which is implemented inside the layout pass and doesn't overshoot LazyVStack content.
- **Resuming a session on a remote now shows its full history.** The DB snapshot is refreshed on session-load — previously it was pulled once on first open and never again, so any messages the remote wrote since launch were invisible.
- **"Continue from last session" surfaces errors** instead of silently doing nothing when SSH is down.
- **Typing into a blank Chat always creates a new session.** Previously it auto-resumed the most recently active session in the DB, which often picked up a cron-spawned session that Hermes had already garbage-collected — producing a silent prompt failure.
- **Failed prompts now explain themselves.** When the agent returns `stopReason: "refusal"`, `"error"`, or `"max_tokens"` with no assistant output, a system message appears under your prompt explaining what happened. No more spinning "Agent working…" forever.
### Correctness — remote SQLite
- The WAL-error spam (`cannot open file at line 51044 of [f0ca7bba1c] — os_unix.c:51044: (2) open(/Users/…/state.db-wal) - No such file or directory`) is gone. `sqlite3 .backup` preserves the source DB's journal mode; the scp'd copy used to try to open a WAL sidecar that doesn't exist. The snapshot script now runs `PRAGMA journal_mode=DELETE` after `.backup` on the remote, and Scarf opens remote snapshots with `file:…?immutable=1` as defense-in-depth.
- **Concurrent snapshot dedupe** — a new `SnapshotCoordinator` actor makes sure that when Dashboard + Sessions + Activity all ask for a fresh snapshot at the same moment (e.g. on a file-watcher tick), only one SSH backup runs; the other callers await the in-flight pull and share the result.
### Under the hood
- New `ServerContext` value type flows through `.environment()` to every view and ViewModel. Every file and process operation routes through `context.makeTransport()``LocalTransport` (`FileManager`, `Process`, FSEvents) or `SSHTransport` (ssh, scp, sftp, mtime polling). The protocol is small enough that each transport is ~400 lines.
- Swift 6 complete-concurrency sweep: ~230 warnings reduced to 1. `ServerContext`, `HermesPathSet`, `ServerTransport`, all service inits, and every value-type accessor are explicitly `nonisolated`. Hand-written `Codable` conformances for the nine types whose synthesized conformances were inferred `@MainActor` by Swift 6's default-isolation rule (`ACPRequest`, `ACPRawMessage`, `GatewayState`, `PlatformState`, `HermesCronJob`, `CronSchedule`, `CronJobsFile`, `AuthFile`, `AuthEntry`).
- ACP cwd now comes from the *remote* `$HOME`, probed once on first connect and cached per server. Previously it passed your local Mac's home path to the ACP adapter, which only worked by coincidence when the remote username matched.
### Compatibility
Hermes v0.10.0 is now verified alongside v0.6v0.9. Scarf builds its session/message `SELECT` columns based on an additive schema detection (`hasV07Schema`), so newer Hermes versions with extra columns don't break queries.
### Migration from 1.6.x
- Sparkle will offer the update automatically. Trigger manually via **Scarf → Check for Updates…** or the menu bar.
- Your local server is synthesized automatically — existing 1.6.x users see "Local" in the server list with no setup needed.
- `servers.json` is created on first add-remote. Location: `~/Library/Application Support/scarf/servers.json`.
- Nothing you configured in 1.6.x (OAuth tokens, credential pools, cron jobs, MCP servers, platform setup) is touched. Those live in `~/.hermes/` and remain the source of truth.
### Known limitations
- Remote file watching is 3s mtime polling (vs. FSEvents on local). If you need sub-second updates on a remote, that's a followup.
- The `session/load` ACP call against an already-deleted session returns success-with-no-body from the Hermes adapter — Scarf now detects the resulting `stopReason: "refusal"` and surfaces it, but the underlying Hermes behavior is an upstream-adapter bug that should also get a proper error response.
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User-agent: *
Allow: /
Sitemap: https://awizemann.github.io/scarf/sitemap.xml
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# Scarf — Architecture
## Pattern: MVVM-Feature
Per project standards, every feature is a self-contained module owning Models, ViewModels, and Views.
```
scarf/
Core/
Services/ Hermes data access (SQLite, file I/O, ACP)
Models/ Plain data structs for Hermes entities
Features/
Dashboard/
Views/ DashboardView
ViewModels/ DashboardViewModel
Sessions/
Views/ SessionsView, SessionDetailView
ViewModels/ SessionsViewModel
Activity/
Views/ ActivityView
ViewModels/ ActivityViewModel
Chat/
Views/ ChatView
ViewModels/ ChatViewModel
Memory/
Views/ MemoryView
ViewModels/ MemoryViewModel
Skills/
Views/ SkillsView
ViewModels/ SkillsViewModel
Cron/
Views/ CronView
ViewModels/ CronViewModel
Logs/
Views/ LogsView
ViewModels/ LogsViewModel
Settings/
Views/ SettingsView
ViewModels/ SettingsViewModel
Navigation/
AppCoordinator.swift
SidebarView.swift
```
## Navigation
`AppCoordinator` is `@Observable` and injected via `.environment()` at the app root. It owns:
- `selectedSection: SidebarSection` — which feature is active
- `selectedSessionID: String?` — drill-down into a session
One `NavigationSplitView` at top level, driven by the coordinator. Leaf views read but never own navigation state.
## Services
### HermesDataService
- Opens `~/.hermes/state.db` read-only via SQLite3 C API
- Queries `sessions` and `messages` tables
- Provides session list, message history, search (FTS5), and aggregate stats
- Polling-based refresh (watches WAL modification time)
### HermesFileService
- Reads config.yaml (simple line parser for the YAML subset we need)
- Reads/writes memory markdown files
- Reads cron jobs.json, gateway_state.json, session JSON files
- Reads skill directory structure
### HermesLogService
- Tails log files using file handle + periodic polling
- Parses log level from line format
### ACPClient
- Spawns `hermes acp` via Foundation `Process`
- Writes JSON-RPC to stdin, reads from stdout
- Streams events: ToolCallStart, ToolCallProgress, AgentMessage, AgentThought
- Manages session lifecycle
### HermesFileWatcher
- Uses `DispatchSource.makeFileSystemObjectSource` on key directories
- Triggers refresh callbacks when Hermes writes new data
## Dependencies
Zero external SPM packages:
- **SQLite**: System `sqlite3` C library (available on macOS, `import SQLite3` not needed — use `libsqlite3`)
- **JSON**: Foundation `JSONDecoder` / `JSONSerialization`
- **YAML**: Custom lightweight parser for flat config structure
- **Markdown**: `AttributedString(markdown:)` (built into Foundation)
- **File watching**: GCD `DispatchSource`
- **Subprocess**: Foundation `Process` + `Pipe`
## Sandbox
Disabled. This app reads directly from `~/.hermes/` which is outside any app sandbox container. The `ENABLE_APP_SANDBOX` build setting is set to `NO`.
## Concurrency
- Swift 6 strict concurrency with `@MainActor` default isolation
- Services use `nonisolated` methods with async/await for I/O
- `@Observable` ViewModels on MainActor, call into nonisolated services
- ACP client runs its read loop on a background task
## Data Flow
```
~/.hermes/state.db ──→ HermesDataService ──→ ViewModels ──→ Views
~/.hermes/config.yaml ──→ HermesFileService ──→ ViewModels ──→ Views
~/.hermes/memories/ ──→ HermesFileService ──→ ViewModels ──→ Views
~/.hermes/logs/ ──→ HermesLogService ──→ ViewModels ──→ Views
hermes acp (subprocess) ──→ ACPClient ──→ ChatViewModel ──→ ChatView
HermesFileWatcher ──→ triggers refresh on all services
```
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# Scarf Project Dashboard Schema
Scarf can render project dashboards from a JSON file. Place a `dashboard.json` file at `.scarf/dashboard.json` in your project root, and register the project in Scarf.
## Registration
Projects are registered in `~/.hermes/scarf/projects.json`:
```json
{
"projects": [
{ "name": "my-project", "path": "/path/to/my-project" }
]
}
```
You can also add projects from the Scarf UI via the Projects section.
## Dashboard File
Create `.scarf/dashboard.json` in your project root:
```json
{
"version": 1,
"title": "My Project",
"description": "Optional description",
"updatedAt": "2026-03-31T14:00:00Z",
"sections": [
{
"title": "Section Name",
"columns": 3,
"widgets": []
}
]
}
```
## Widget Types
### stat — Key metric display
```json
{
"type": "stat",
"title": "Test Coverage",
"value": "87.3%",
"icon": "checkmark.shield",
"color": "green",
"subtitle": "+2.1% from last week"
}
```
- `value`: String or number
- `icon`: SF Symbol name (optional)
- `color`: red, orange, yellow, green, blue, purple, pink, teal, indigo, mint, brown, gray (optional)
- `subtitle`: Secondary text (optional)
### progress — Progress bar
```json
{
"type": "progress",
"title": "Sprint Progress",
"value": 0.73,
"label": "73% complete",
"color": "blue"
}
```
- `value`: Number between 0.0 and 1.0
- `label`: Text below the bar (optional)
- `color`: Named color (optional)
### text — Rich text block
```json
{
"type": "text",
"title": "Release Notes",
"content": "**v2.4.1** — Fixed auth timeout\n\n- Bug fix for session handling",
"format": "markdown"
}
```
- `content`: Text content
- `format`: "markdown" or "plain" (default: plain)
### table — Data table
```json
{
"type": "table",
"title": "Recent Deploys",
"columns": ["Date", "Env", "Status"],
"rows": [
["Mar 30", "prod", "success"],
["Mar 29", "staging", "success"]
]
}
```
### chart — Line, bar, or pie chart
```json
{
"type": "chart",
"title": "Tests Over Time",
"chartType": "line",
"series": [
{
"name": "Passing",
"color": "green",
"data": [
{ "x": "Mon", "y": 142 },
{ "x": "Tue", "y": 145 }
]
}
]
}
```
- `chartType`: "line", "bar", or "pie"
- `series[].color`: Named color (optional)
- For pie charts, each series becomes a slice
### list — Checklist
```json
{
"type": "list",
"title": "TODO Items",
"icon": "checklist",
"items": [
{ "text": "Write tests", "status": "done" },
{ "text": "Update docs", "status": "active" },
{ "text": "Deploy", "status": "pending" }
]
}
```
- `status`: "done" (checkmark), "active" (filled circle), "pending" (empty circle)
### webview — Embedded web browser
```json
{
"type": "webview",
"title": "Project Dashboard",
"url": "http://localhost:8000",
"height": 500
}
```
- `url`: Any URL — local servers, file paths, or remote pages
- `height`: Height in points (optional, default: 400)
When a dashboard includes a webview widget, Scarf adds a tabbed interface: **Dashboard** shows all normal widgets, **Site** displays the web content full-canvas. The webview widget is automatically filtered out of the Dashboard tab's grid layout.
## Agent Instructions
To have your Hermes agent generate a dashboard, include these instructions:
> Analyze the project and create a `.scarf/dashboard.json` file with relevant metrics,
> status indicators, and visualizations. Use the Scarf dashboard schema with sections
> containing stat, progress, text, table, chart, list, and webview widgets. Register the project
> in `~/.hermes/scarf/projects.json` if not already registered.
The agent can update the dashboard file at any time — Scarf watches for changes and re-renders automatically.
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# Hermes Agent — Discovery Notes
## Installation
- Binary: `~/.local/bin/hermes` (symlink to venv wrapper)
- Codebase: `~/.hermes/hermes-agent/` (Python 3.11 venv)
- Version: v0.6.0 (March 30, 2026)
- Runs as daemon process
## What Hermes Does
A self-improving AI agent with tool-calling capabilities:
- Interactive terminal chat with syntax highlighting
- 40+ tools (terminal, file, browser, web, code execution, vision, etc.)
- Autonomous skill creation from complex tasks
- Persistent memory (MEMORY.md + USER.md) with periodic nudges
- Multi-platform messaging gateway (Telegram, Discord, Slack, WhatsApp, Signal, Email)
- Cron scheduler for recurring tasks
- Session persistence in SQLite with FTS5 search
- Subagent delegation for parallel workstreams
- MCP (Model Context Protocol) integration
- ACP (Agent Client Protocol) for IDE integration
## File System Layout
```
~/.hermes/
hermes-agent/ Python codebase (70 directories)
run_agent.py Core agent loop
cli.py Terminal UI
model_tools.py Tool dispatcher
toolsets.py Tool definitions
agent/ Agent internals
tools/ 40+ tool implementations
gateway/ Multi-platform messaging
cron/ Scheduler implementation
hermes_cli/ CLI command handlers
acp_adapter/ Agent Client Protocol server
venv/ Python environment
config.yaml User configuration (8.8 KB)
.env API keys (encrypted)
auth.json OAuth tokens
state.db SQLite session database (WAL mode)
sessions/ JSON conversation snapshots
memories/ MEMORY.md, USER.md
skills/ 29 installed skills across 15+ categories
cron/
jobs.json Scheduled job definitions
output/ Job execution output
logs/
errors.log Application errors
gateway.log Gateway platform logs
gateway_state.json Gateway process lifecycle
```
## SQLite Schema (state.db, version 6)
### sessions table
```sql
id TEXT PRIMARY KEY,
source TEXT, -- 'cli', 'telegram', 'discord', etc.
user_id TEXT,
model TEXT,
model_config TEXT, -- JSON
system_prompt TEXT,
parent_session_id TEXT, -- Session splitting on compression
started_at REAL,
ended_at REAL,
end_reason TEXT,
message_count INTEGER,
tool_call_count INTEGER,
input_tokens INTEGER,
output_tokens INTEGER,
cache_read_tokens INTEGER,
cache_write_tokens INTEGER,
reasoning_tokens INTEGER,
billing_provider TEXT,
billing_base_url TEXT,
billing_mode TEXT,
estimated_cost_usd REAL,
actual_cost_usd REAL,
cost_status TEXT,
cost_source TEXT,
pricing_version TEXT,
title TEXT UNIQUE
```
### messages table
```sql
id INTEGER PRIMARY KEY,
session_id TEXT,
role TEXT, -- 'user' or 'assistant'
content TEXT,
tool_call_id TEXT,
tool_calls TEXT, -- JSON array of tool invocations
tool_name TEXT,
timestamp REAL,
token_count INTEGER,
finish_reason TEXT,
reasoning TEXT,
reasoning_details TEXT,
codex_reasoning_items TEXT
```
### messages_fts (FTS5 virtual table)
Full-text search on message content.
## Session JSON Format
```json
{
"session_id": "YYYYmmdd_HHMMSS_6hexchars",
"model": "claude-haiku-4-5-20251001",
"platform": "cli",
"session_start": "ISO8601",
"last_updated": "ISO8601",
"system_prompt": "...",
"tools": [{"type": "function", "function": {"name": "...", "description": "...", "parameters": {...}}}],
"messages": [
{"role": "user", "content": "..."},
{"role": "assistant", "content": "...", "tool_calls": [
{"id": "call_...", "type": "function", "function": {"name": "terminal", "arguments": "{\"command\": \"...\"}"}}
]}
]
}
```
## Cron Jobs Format
```json
{
"jobs": [{
"id": "12hexchars",
"name": "Job Name",
"prompt": "What to do",
"skills": ["skill-name"],
"schedule": {"kind": "once|cron", "run_at": "ISO8601", "display": "human readable"},
"repeat": {"times": 1, "completed": 0},
"enabled": true,
"state": "scheduled|running|completed",
"deliver": "origin|telegram|discord",
"next_run_at": "ISO8601",
"last_run_at": "ISO8601|null",
"last_error": "string|null"
}]
}
```
## Config Structure (config.yaml)
Key sections: model (default, provider), agent (max_turns, tool_use_enforcement, personalities), terminal (backend, cwd, timeout), memory (enabled, char limits, nudge interval), display (personality, streaming, show_reasoning), platform_toolsets (tools per platform).
## ACP (Agent Client Protocol)
- Entry: `hermes acp` or `python -m acp_adapter.entry`
- Transport: stdio JSON-RPC (not HTTP)
- Lifecycle: initialize() -> new_session()/load_session() -> send messages
- Events emitted: ToolCallStart, ToolCallProgress, AgentMessage, AgentThought, SessionUpdate
- Tool kinds: read, edit, execute, fetch, search, think, other
- Tool call IDs: `tc-{uuid.hex[:12]}`
## Log Format
```
YYYY-MM-DD HH:MM:SS,MMM LEVEL logger_name: message
```
## Gateway State
```json
{
"pid": 12345,
"kind": "hermes-gateway",
"gateway_state": "running|startup_failed",
"exit_reason": "string|null",
"platforms": {},
"updated_at": "ISO8601"
}
```
## SQLite Contention Notes
Hermes uses WAL mode with aggressive retry (15 retries, 20-150ms jitter). Scarf must only open state.db in read-only mode to avoid write contention. Checkpoint every 50 writes. WAL file modification is a good signal for refresh.
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# Scarf — Product Requirements Document
## Overview
Scarf is a native macOS application that provides a graphical interface for the Hermes AI agent. Hermes is a CLI-based AI agent with 40+ tools, multi-platform messaging, autonomous skill creation, persistent memory, and scheduled automation. Scarf gives users visibility into what Hermes is doing, when, and what it creates.
## Problem
Hermes operates entirely through CLI with no visual dashboard. Users cannot easily:
- See what the agent is currently doing or has done
- Browse conversation history across sessions
- Monitor tool executions in real-time
- Manage memory, skills, or cron jobs visually
- Chat with the agent through a native interface
## Target User
Developer running Hermes locally on macOS who wants transparency and control over agent activity.
## Core Features
### 1. Dashboard
- System health overview (model, provider, connection status)
- Active session indicator
- Token usage and cost summary (aggregated from session data)
- Gateway platform connection status
- Recent activity feed
### 2. Sessions Browser
- List all conversation sessions with metadata (source, message count, tool calls, cost, duration)
- Full conversation detail view with message rendering
- Full-text search across all sessions (via SQLite FTS5)
- Session lineage tracking (parent_session_id chains)
### 3. Activity Feed
- Real-time tool execution monitoring (the core transparency feature)
- Each entry: tool name, kind, arguments, result preview, timestamp
- Filterable by tool type, session, time range
- Color-coded by tool kind (read/edit/execute/fetch)
### 4. Live Chat
- Send messages to Hermes via ACP (Agent Client Protocol)
- Stream responses with tool calls shown inline
- Session management (new, load, resume)
### 5. Memory Viewer/Editor
- Display MEMORY.md and USER.md with markdown rendering
- Edit and save changes
- Character count vs configured limits
### 6. Skills Browser
- Tree view by category
- Skill metadata display
- Search and filter
### 7. Cron Manager
- View scheduled jobs with status, next/last run times
- View job output
- Enable/disable jobs
### 8. Log Viewer
- Real-time log tailing (errors.log, gateway.log)
- Level-based filtering and text search
### 9. Menu Bar Presence
- Status icon showing Hermes state (running/idle/error)
- Quick access to recent session, new chat
## Technical Constraints
- macOS 26.2+ (SwiftUI, Swift 6 concurrency)
- No external SPM dependencies — uses system SQLite3 C API, Foundation JSON
- Reads Hermes data from `~/.hermes/` (requires sandbox disabled)
- ACP communication via subprocess stdio JSON-RPC
- App sandbox disabled (developer tool needing filesystem access)
## Data Sources
| Source | Path | Format | Access |
|--------|------|--------|--------|
| Sessions DB | `~/.hermes/state.db` | SQLite (WAL) | Read-only |
| Session files | `~/.hermes/sessions/*.json` | JSON | Read-only |
| Config | `~/.hermes/config.yaml` | YAML | Read/Write |
| Memory | `~/.hermes/memories/*.md` | Markdown | Read/Write |
| Cron jobs | `~/.hermes/cron/jobs.json` | JSON | Read/Write |
| Cron output | `~/.hermes/cron/output/` | Text | Read-only |
| Logs | `~/.hermes/logs/*.log` | Text | Read-only |
| Gateway state | `~/.hermes/gateway_state.json` | JSON | Read-only |
| Skills | `~/.hermes/skills/` | Directory tree | Read-only |
| ACP | `hermes acp` subprocess | JSON-RPC stdio | Bidirectional |
## Non-Goals (v1)
- Config editing UI (read-only display for v1, except memory)
- Skill creation or management
- Gateway platform management
- Multi-user support
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# Scarf — Feature Roadmap
## Tier 1 — High Value, Data Already Available
### 1. Insights Dashboard
Rich usage analytics pulled from the sessions and messages SQLite tables:
- Overview stats: sessions, messages, tool calls, tokens, active time, avg session duration
- Model breakdown: sessions and tokens per model
- Platform breakdown: CLI vs Telegram vs Discord usage
- Top tools chart: ranked tool usage with call counts and percentages
- Activity patterns: sessions by day-of-week, peak hours heatmap
- Notable sessions: longest, most messages, most tokens, most tool calls
- Time period selector: last 7/30/90 days
### 2. Tool Management Panel
- List all toolsets with enabled/disabled status and descriptions
- Toggle switches to enable/disable tools (via `hermes tools enable/disable`)
- Per-platform tool configuration
- MCP tool status
### 3. Session Management Enhancements
- Rename sessions from the Sessions browser (via `hermes sessions rename`)
- Delete sessions (via `hermes sessions delete`)
- Export sessions to JSONL (via `hermes sessions export`)
- Session stats card (total count, DB size, per-platform breakdown)
## Tier 2 — Medium Value, New Service Code Required
### 4. Skills Hub
- Search remote registries for new skills (6 sources)
- Install/uninstall skills from GUI
- Skill update indicator
- Trust level badges (builtin, local, hub)
### 5. Gateway Control Center
- Start/stop/restart gateway from GUI
- Real-time status: PID, uptime, connected platforms
- Pairing management: view approved users, approve/revoke
- Platform status per messaging service
### 6. System Health View
- Mirror `hermes status` and `hermes doctor` output
- API key validation, auth provider status, external tools
- Update available indicator
## Tier 3 — Nice to Have
### 7. Profile Management
- List/create/switch profiles (isolated Hermes instances)
### 8. Plugin Management
- Install from Git, enable/disable, update
### 9. MCP Server Management
- Add/remove/test MCP servers, toggle tools per server
### 10. Config Editor
- Structured form editor for config.yaml with validation
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DEVELOPMENT_TEAM = 3Q6X2L86C4;
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ENABLE_USER_SCRIPT_SANDBOXING = YES;
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GCC_WARN_UNDECLARED_SELECTOR = YES;
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MTL_FAST_MATH = YES;
SDKROOT = macosx;
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name = Release;
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};
53SWIFTTERM0002 /* XCRemoteSwiftPackageReference "SwiftTerm" */ = {
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requirement = {
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@@ -0,0 +1,7 @@
<?xml version="1.0" encoding="UTF-8"?>
<Workspace
version = "1.0">
<FileRef
location = "self:">
</FileRef>
</Workspace>
@@ -0,0 +1,11 @@
{
"colors" : [
{
"idiom" : "universal"
}
],
"info" : {
"author" : "xcode",
"version" : 1
}
}
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{
"images" : [
{
"filename" : "AW Mac OS Applications-iOS-Default-16x16@1x.png",
"idiom" : "mac",
"scale" : "1x",
"size" : "16x16"
},
{
"filename" : "AW Mac OS Applications-iOS-Default-16x16@2x.png",
"idiom" : "mac",
"scale" : "2x",
"size" : "16x16"
},
{
"filename" : "AW Mac OS Applications-iOS-Default-32x32@1x.png",
"idiom" : "mac",
"scale" : "1x",
"size" : "32x32"
},
{
"filename" : "AW Mac OS Applications-iOS-Default-32x32@2x.png",
"idiom" : "mac",
"scale" : "2x",
"size" : "32x32"
},
{
"filename" : "AW Mac OS Applications-iOS-Default-128x128@1x.png",
"idiom" : "mac",
"scale" : "1x",
"size" : "128x128"
},
{
"filename" : "AW Mac OS Applications-iOS-Default-128x128@2x.png",
"idiom" : "mac",
"scale" : "2x",
"size" : "128x128"
},
{
"filename" : "AW Mac OS Applications-iOS-Default-256x256@1x.png",
"idiom" : "mac",
"scale" : "1x",
"size" : "256x256"
},
{
"filename" : "AW Mac OS Applications-iOS-Default-512x512@1x 1.png",
"idiom" : "mac",
"scale" : "2x",
"size" : "256x256"
},
{
"filename" : "AW Mac OS Applications-iOS-Default-512x512@1x.png",
"idiom" : "mac",
"scale" : "1x",
"size" : "512x512"
},
{
"filename" : "AW Mac OS Applications-iOS-Default-1024x1024@1x.png",
"idiom" : "mac",
"scale" : "2x",
"size" : "512x512"
}
],
"info" : {
"author" : "xcode",
"version" : 1
}
}
@@ -0,0 +1,6 @@
{
"info" : {
"author" : "xcode",
"version" : 1
}
}
+75
View File
@@ -0,0 +1,75 @@
import SwiftUI
struct ContentView: View {
@Environment(AppCoordinator.self) private var coordinator
@Environment(\.serverContext) private var serverContext
/// Per-window connection status. Constructed from the window's
/// `serverContext` once; lifetime matches the window.
@State private var connectionStatus: ConnectionStatusViewModel
init() {
_connectionStatus = State(initialValue: ConnectionStatusViewModel(context: .local))
}
var body: some View {
NavigationSplitView {
SidebarView()
} detail: {
detailView
.toolbar {
ToolbarItem(placement: .navigation) {
ServerSwitcherToolbar()
}
if serverContext.isRemote {
ToolbarItem(placement: .principal) {
ConnectionStatusPill(status: connectionStatus)
}
}
}
.onAppear {
// The actual context is injected via @Environment, which
// isn't available in `init`. Rebuild the monitor here
// the first time we know the real context. Safe to call
// repeatedly; `startMonitoring()` cancels + restarts.
if connectionStatus.context.id != serverContext.id {
connectionStatus = ConnectionStatusViewModel(context: serverContext)
}
connectionStatus.startMonitoring()
}
.onDisappear { connectionStatus.stopMonitoring() }
}
}
@ViewBuilder
private var detailView: some View {
// Each routed view receives the window's `serverContext` in its
// init so its `@State` ViewModel is constructed bound to the right
// server. This is what makes multi-window work without it,
// every window's VMs default-construct with `.local` even though
// the surrounding env has the right context.
switch coordinator.selectedSection {
case .dashboard: DashboardView(context: serverContext)
case .insights: InsightsView(context: serverContext)
case .sessions: SessionsView(context: serverContext)
case .activity: ActivityView(context: serverContext)
case .projects: ProjectsView(context: serverContext)
case .chat: ChatView()
case .memory: MemoryView(context: serverContext)
case .skills: SkillsView(context: serverContext)
case .platforms: PlatformsView(context: serverContext)
case .personalities: PersonalitiesView(context: serverContext)
case .quickCommands: QuickCommandsView(context: serverContext)
case .credentialPools: CredentialPoolsView(context: serverContext)
case .plugins: PluginsView(context: serverContext)
case .webhooks: WebhooksView(context: serverContext)
case .profiles: ProfilesView(context: serverContext)
case .tools: ToolsView(context: serverContext)
case .mcpServers: MCPServersView(context: serverContext)
case .gateway: GatewayView(context: serverContext)
case .cron: CronView(context: serverContext)
case .health: HealthView(context: serverContext)
case .logs: LogsView(context: serverContext)
case .settings: SettingsView(context: serverContext)
}
}
}
+290
View File
@@ -0,0 +1,290 @@
import Foundation
// MARK: - JSON-RPC Transport
// Hand-written `encode(to:)` / `init(from:)` with explicit `nonisolated` so
// Swift 6's default-isolation doesn't synthesize a MainActor-isolated
// conformance which would prevent these payloads from being encoded or
// decoded inside `ACPClient`'s actor context (the JSON-RPC read/write loop).
// The member list must stay in sync with the stored properties above.
struct ACPRequest: Encodable, Sendable {
nonisolated let jsonrpc = "2.0"
nonisolated let id: Int
nonisolated let method: String
nonisolated let params: [String: AnyCodable]
enum CodingKeys: String, CodingKey { case jsonrpc, id, method, params }
nonisolated func encode(to encoder: any Encoder) throws {
var c = encoder.container(keyedBy: CodingKeys.self)
try c.encode(jsonrpc, forKey: .jsonrpc)
try c.encode(id, forKey: .id)
try c.encode(method, forKey: .method)
try c.encode(params, forKey: .params)
}
}
struct ACPRawMessage: Decodable, Sendable {
nonisolated let jsonrpc: String?
nonisolated let id: Int?
nonisolated let method: String?
nonisolated let result: AnyCodable?
nonisolated let error: ACPError?
nonisolated let params: AnyCodable?
nonisolated var isResponse: Bool { id != nil && method == nil }
nonisolated var isNotification: Bool { method != nil && id == nil }
nonisolated var isRequest: Bool { method != nil && id != nil }
enum CodingKeys: String, CodingKey { case jsonrpc, id, method, result, error, params }
nonisolated init(from decoder: any Decoder) throws {
let c = try decoder.container(keyedBy: CodingKeys.self)
self.jsonrpc = try c.decodeIfPresent(String.self, forKey: .jsonrpc)
self.id = try c.decodeIfPresent(Int.self, forKey: .id)
self.method = try c.decodeIfPresent(String.self, forKey: .method)
self.result = try c.decodeIfPresent(AnyCodable.self, forKey: .result)
self.error = try c.decodeIfPresent(ACPError.self, forKey: .error)
self.params = try c.decodeIfPresent(AnyCodable.self, forKey: .params)
}
}
struct ACPError: Decodable, Sendable {
nonisolated let code: Int
nonisolated let message: String
enum CodingKeys: String, CodingKey { case code, message }
nonisolated init(from decoder: any Decoder) throws {
let c = try decoder.container(keyedBy: CodingKeys.self)
self.code = try c.decode(Int.self, forKey: .code)
self.message = try c.decode(String.self, forKey: .message)
}
}
// MARK: - AnyCodable (for dynamic JSON)
struct AnyCodable: Codable, @unchecked Sendable {
nonisolated let value: Any
nonisolated init(_ value: Any) { self.value = value }
// NOT marked `nonisolated`: Swift's default-isolation treats writes to a
// `let value: Any` stored property as MainActor-isolated even when the
// property is declared nonisolated (Any can't be strictly Sendable, so
// the compiler can't prove the write is safe off-main). Leaving the
// init as default-isolated silences the mutation warnings; the Decodable
// conformance is still usable from ACPClient's nonisolated read loop
// because all callers are already @preconcurrency with respect to
// `AnyCodable` (it's @unchecked Sendable).
init(from decoder: any Decoder) throws {
let container = try decoder.singleValueContainer()
if container.decodeNil() {
value = NSNull()
} else if let bool = try? container.decode(Bool.self) {
value = bool
} else if let int = try? container.decode(Int.self) {
value = int
} else if let double = try? container.decode(Double.self) {
value = double
} else if let string = try? container.decode(String.self) {
value = string
} else if let array = try? container.decode([AnyCodable].self) {
value = array.map(\.value)
} else if let dict = try? container.decode([String: AnyCodable].self) {
value = dict.mapValues(\.value)
} else {
value = NSNull()
}
}
func encode(to encoder: any Encoder) throws {
var container = encoder.singleValueContainer()
switch value {
case is NSNull:
try container.encodeNil()
case let bool as Bool:
try container.encode(bool)
case let int as Int:
try container.encode(int)
case let double as Double:
try container.encode(double)
case let string as String:
try container.encode(string)
case let array as [Any]:
try container.encode(array.map { AnyCodable($0) })
case let dict as [String: Any]:
try container.encode(dict.mapValues { AnyCodable($0) })
default:
try container.encodeNil()
}
}
// MARK: - Accessors
nonisolated var stringValue: String? { value as? String }
nonisolated var intValue: Int? { value as? Int }
nonisolated var dictValue: [String: Any]? { value as? [String: Any] }
nonisolated var arrayValue: [Any]? { value as? [Any] }
}
// MARK: - ACP Events (parsed from session/update notifications)
enum ACPEvent: Sendable {
case messageChunk(sessionId: String, text: String)
case thoughtChunk(sessionId: String, text: String)
case toolCallStart(sessionId: String, call: ACPToolCallEvent)
case toolCallUpdate(sessionId: String, update: ACPToolCallUpdateEvent)
case permissionRequest(sessionId: String, requestId: Int, request: ACPPermissionRequestEvent)
case promptComplete(sessionId: String, response: ACPPromptResult)
case availableCommands(sessionId: String, commands: [[String: Any]])
case connectionLost(reason: String)
case unknown(sessionId: String, type: String)
}
struct ACPToolCallEvent: Sendable {
let toolCallId: String
let title: String
let kind: String
let status: String
let content: String
let rawInput: [String: Any]?
var functionName: String {
// title format is "functionName: summary" or just "functionName"
let parts = title.split(separator: ":", maxSplits: 1)
return String(parts.first ?? Substring(title)).trimmingCharacters(in: .whitespaces)
}
var argumentsSummary: String {
let parts = title.split(separator: ":", maxSplits: 1)
if parts.count > 1 {
return String(parts[1]).trimmingCharacters(in: .whitespaces)
}
return ""
}
var argumentsJSON: String {
guard let input = rawInput,
let data = try? JSONSerialization.data(withJSONObject: input),
let str = String(data: data, encoding: .utf8) else { return "{}" }
return str
}
}
struct ACPToolCallUpdateEvent: Sendable {
let toolCallId: String
let kind: String
let status: String
let content: String
let rawOutput: String?
}
struct ACPPermissionRequestEvent: Sendable {
let toolCallTitle: String
let toolCallKind: String
let options: [(optionId: String, name: String)]
}
struct ACPPromptResult: Sendable {
let stopReason: String
let inputTokens: Int
let outputTokens: Int
let thoughtTokens: Int
let cachedReadTokens: Int
}
// MARK: - Event Parsing
enum ACPEventParser {
nonisolated static func parse(notification: ACPRawMessage) -> ACPEvent? {
guard notification.method == "session/update",
let params = notification.params?.dictValue,
let sessionId = params["sessionId"] as? String,
let update = params["update"] as? [String: Any],
let updateType = update["sessionUpdate"] as? String else {
return nil
}
switch updateType {
case "agent_message_chunk":
let text = extractContentText(from: update)
return .messageChunk(sessionId: sessionId, text: text)
case "agent_thought_chunk":
let text = extractContentText(from: update)
return .thoughtChunk(sessionId: sessionId, text: text)
case "tool_call":
let event = ACPToolCallEvent(
toolCallId: update["toolCallId"] as? String ?? "",
title: update["title"] as? String ?? "",
kind: update["kind"] as? String ?? "other",
status: update["status"] as? String ?? "pending",
content: extractContentArrayText(from: update),
rawInput: update["rawInput"] as? [String: Any]
)
return .toolCallStart(sessionId: sessionId, call: event)
case "tool_call_update":
let event = ACPToolCallUpdateEvent(
toolCallId: update["toolCallId"] as? String ?? "",
kind: update["kind"] as? String ?? "other",
status: update["status"] as? String ?? "completed",
content: extractContentArrayText(from: update),
rawOutput: update["rawOutput"] as? String
)
return .toolCallUpdate(sessionId: sessionId, update: event)
case "available_commands_update":
let commands = update["availableCommands"] as? [[String: Any]] ?? []
return .availableCommands(sessionId: sessionId, commands: commands)
default:
return .unknown(sessionId: sessionId, type: updateType)
}
}
nonisolated static func parsePermissionRequest(_ message: ACPRawMessage) -> ACPEvent? {
guard message.method == "session/request_permission",
let params = message.params?.dictValue,
let sessionId = params["sessionId"] as? String,
let requestId = message.id else { return nil }
let toolCall = params["toolCall"] as? [String: Any] ?? [:]
let optionsRaw = params["options"] as? [[String: Any]] ?? []
let options = optionsRaw.compactMap { opt -> (optionId: String, name: String)? in
guard let id = opt["optionId"] as? String,
let name = opt["name"] as? String else { return nil }
return (optionId: id, name: name)
}
let event = ACPPermissionRequestEvent(
toolCallTitle: toolCall["title"] as? String ?? "",
toolCallKind: toolCall["kind"] as? String ?? "other",
options: options
)
return .permissionRequest(sessionId: sessionId, requestId: requestId, request: event)
}
// MARK: - Content Extraction
nonisolated private static func extractContentText(from update: [String: Any]) -> String {
if let content = update["content"] as? [String: Any],
let text = content["text"] as? String {
return text
}
return ""
}
nonisolated private static func extractContentArrayText(from update: [String: Any]) -> String {
if let contentArray = update["content"] as? [[String: Any]] {
return contentArray.compactMap { item -> String? in
guard let inner = item["content"] as? [String: Any] else { return nil }
return inner["text"] as? String
}.joined(separator: "\n")
}
return ""
}
}
+486
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@@ -0,0 +1,486 @@
import Foundation
/// Settings for one of hermes's auxiliary model tasks (vision, compression, approvals, etc.).
/// Every auxiliary task follows the same provider/model/base_url/api_key/timeout pattern.
struct AuxiliaryModel: Sendable, Equatable {
var provider: String
var model: String
var baseURL: String
var apiKey: String
var timeout: Int
nonisolated static let empty = AuxiliaryModel(provider: "auto", model: "", baseURL: "", apiKey: "", timeout: 30)
}
/// Group of display-related settings mirroring the `display:` block in config.yaml.
struct DisplaySettings: Sendable, Equatable {
var skin: String
var compact: Bool
var resumeDisplay: String // "full" | "minimal"
var bellOnComplete: Bool
var inlineDiffs: Bool
var toolProgressCommand: Bool
var toolPreviewLength: Int
var busyInputMode: String // e.g. "interrupt"
nonisolated static let empty = DisplaySettings(
skin: "default",
compact: false,
resumeDisplay: "full",
bellOnComplete: false,
inlineDiffs: true,
toolProgressCommand: false,
toolPreviewLength: 0,
busyInputMode: "interrupt"
)
}
/// Container/terminal backend options. These map to `terminal.*` keys in config.yaml.
struct TerminalSettings: Sendable, Equatable {
var cwd: String
var timeout: Int
var envPassthrough: [String]
var persistentShell: Bool
var dockerImage: String
var dockerMountCwdToWorkspace: Bool
var dockerForwardEnv: [String]
var dockerVolumes: [String]
var containerCPU: Int // 0 = unlimited
var containerMemory: Int // MB, 0 = unlimited
var containerDisk: Int // MB, 0 = unlimited
var containerPersistent: Bool
var modalImage: String
var modalMode: String // "auto" | other
var daytonaImage: String
var singularityImage: String
nonisolated static let empty = TerminalSettings(
cwd: ".",
timeout: 180,
envPassthrough: [],
persistentShell: true,
dockerImage: "",
dockerMountCwdToWorkspace: false,
dockerForwardEnv: [],
dockerVolumes: [],
containerCPU: 0,
containerMemory: 0,
containerDisk: 0,
containerPersistent: false,
modalImage: "",
modalMode: "auto",
daytonaImage: "",
singularityImage: ""
)
}
/// Browser automation tuning (`browser.*`).
struct BrowserSettings: Sendable, Equatable {
var inactivityTimeout: Int
var commandTimeout: Int
var recordSessions: Bool
var allowPrivateURLs: Bool
var camofoxManagedPersistence: Bool
nonisolated static let empty = BrowserSettings(
inactivityTimeout: 120,
commandTimeout: 30,
recordSessions: false,
allowPrivateURLs: false,
camofoxManagedPersistence: false
)
}
/// Voice push-to-talk plus TTS/STT provider settings.
struct VoiceSettings: Sendable, Equatable {
var recordKey: String
var maxRecordingSeconds: Int
var silenceDuration: Double
// TTS
var ttsProvider: String
var ttsEdgeVoice: String
var ttsElevenLabsVoiceID: String
var ttsElevenLabsModelID: String
var ttsOpenAIModel: String
var ttsOpenAIVoice: String
var ttsNeuTTSModel: String
var ttsNeuTTSDevice: String
// STT
var sttEnabled: Bool
var sttProvider: String
var sttLocalModel: String
var sttLocalLanguage: String
var sttOpenAIModel: String
var sttMistralModel: String
nonisolated static let empty = VoiceSettings(
recordKey: "ctrl+b",
maxRecordingSeconds: 120,
silenceDuration: 3.0,
ttsProvider: "edge",
ttsEdgeVoice: "en-US-AriaNeural",
ttsElevenLabsVoiceID: "",
ttsElevenLabsModelID: "eleven_multilingual_v2",
ttsOpenAIModel: "gpt-4o-mini-tts",
ttsOpenAIVoice: "alloy",
ttsNeuTTSModel: "neuphonic/neutts-air-q4-gguf",
ttsNeuTTSDevice: "cpu",
sttEnabled: true,
sttProvider: "local",
sttLocalModel: "base",
sttLocalLanguage: "",
sttOpenAIModel: "whisper-1",
sttMistralModel: "voxtral-mini-latest"
)
}
/// Eight sub-models that share the same provider/model/base_url/api_key/timeout shape.
struct AuxiliarySettings: Sendable, Equatable {
var vision: AuxiliaryModel
var webExtract: AuxiliaryModel
var compression: AuxiliaryModel
var sessionSearch: AuxiliaryModel
var skillsHub: AuxiliaryModel
var approval: AuxiliaryModel
var mcp: AuxiliaryModel
var flushMemories: AuxiliaryModel
nonisolated static let empty = AuxiliarySettings(
vision: .empty,
webExtract: .empty,
compression: .empty,
sessionSearch: .empty,
skillsHub: .empty,
approval: .empty,
mcp: .empty,
flushMemories: .empty
)
}
/// Security/redaction/firewall config. Website blocklist is nested in YAML.
struct SecuritySettings: Sendable, Equatable {
var redactSecrets: Bool
var redactPII: Bool // from privacy.redact_pii
var tirithEnabled: Bool
var tirithPath: String
var tirithTimeout: Int
var tirithFailOpen: Bool
var blocklistEnabled: Bool
var blocklistDomains: [String]
nonisolated static let empty = SecuritySettings(
redactSecrets: true,
redactPII: false,
tirithEnabled: true,
tirithPath: "tirith",
tirithTimeout: 5,
tirithFailOpen: true,
blocklistEnabled: false,
blocklistDomains: []
)
}
/// Human-delay simulates realistic typing pace (`human_delay.*`).
struct HumanDelaySettings: Sendable, Equatable {
var mode: String // "off" | "natural" | "custom"
var minMS: Int
var maxMS: Int
nonisolated static let empty = HumanDelaySettings(mode: "off", minMS: 800, maxMS: 2500)
}
/// Compression / context routing.
struct CompressionSettings: Sendable, Equatable {
var enabled: Bool
var threshold: Double
var targetRatio: Double
var protectLastN: Int
nonisolated static let empty = CompressionSettings(enabled: true, threshold: 0.5, targetRatio: 0.2, protectLastN: 20)
}
struct CheckpointSettings: Sendable, Equatable {
var enabled: Bool
var maxSnapshots: Int
nonisolated static let empty = CheckpointSettings(enabled: true, maxSnapshots: 50)
}
struct LoggingSettings: Sendable, Equatable {
var level: String // DEBUG | INFO | WARNING | ERROR
var maxSizeMB: Int
var backupCount: Int
nonisolated static let empty = LoggingSettings(level: "INFO", maxSizeMB: 5, backupCount: 3)
}
struct DelegationSettings: Sendable, Equatable {
var model: String
var provider: String
var baseURL: String
var apiKey: String
var maxIterations: Int
nonisolated static let empty = DelegationSettings(model: "", provider: "", baseURL: "", apiKey: "", maxIterations: 50)
}
/// Discord-specific platform settings (`discord.*`). Other platforms currently have thinner schemas.
struct DiscordSettings: Sendable, Equatable {
var requireMention: Bool
var freeResponseChannels: String
var autoThread: Bool
var reactions: Bool
nonisolated static let empty = DiscordSettings(requireMention: true, freeResponseChannels: "", autoThread: true, reactions: true)
}
/// Telegram settings under `telegram.*` in config.yaml. Most Telegram tuning is
/// done via environment variables (`TELEGRAM_*`) this is the subset that lives
/// in the YAML.
struct TelegramSettings: Sendable, Equatable {
var requireMention: Bool
var reactions: Bool
nonisolated static let empty = TelegramSettings(requireMention: true, reactions: false)
}
/// Slack settings under `platforms.slack.*` (and a couple of top-level keys).
struct SlackSettings: Sendable, Equatable {
var replyToMode: String // "off" | "first" | "all"
var requireMention: Bool
var replyInThread: Bool
var replyBroadcast: Bool
nonisolated static let empty = SlackSettings(replyToMode: "first", requireMention: true, replyInThread: true, replyBroadcast: false)
}
/// Matrix settings under `matrix.*`.
struct MatrixSettings: Sendable, Equatable {
var requireMention: Bool
var autoThread: Bool
var dmMentionThreads: Bool
nonisolated static let empty = MatrixSettings(requireMention: true, autoThread: true, dmMentionThreads: false)
}
/// Mattermost settings. Mattermost is mostly driven by env vars; config.yaml
/// currently just exposes `group_sessions_per_user` at the top level, but we
/// reserve this struct for future expansion so the form has a stable type.
struct MattermostSettings: Sendable, Equatable {
var requireMention: Bool
var replyMode: String // "thread" | "off"
nonisolated static let empty = MattermostSettings(requireMention: true, replyMode: "off")
}
/// WhatsApp settings under `whatsapp.*`.
struct WhatsAppSettings: Sendable, Equatable {
var unauthorizedDMBehavior: String // "pair" | "ignore"
var replyPrefix: String
nonisolated static let empty = WhatsAppSettings(unauthorizedDMBehavior: "pair", replyPrefix: "")
}
/// Home Assistant filters under `platforms.homeassistant.extra`. Hermes ignores
/// every state change by default; users must opt-in via at least one filter.
struct HomeAssistantSettings: Sendable, Equatable {
var watchDomains: [String]
var watchEntities: [String]
var watchAll: Bool
var ignoreEntities: [String]
var cooldownSeconds: Int
nonisolated static let empty = HomeAssistantSettings(watchDomains: [], watchEntities: [], watchAll: false, ignoreEntities: [], cooldownSeconds: 30)
}
// MARK: - Root Config
struct HermesConfig: Sendable {
// Original fields preserved for zero breakage with existing call sites.
var model: String
var provider: String
var maxTurns: Int
var personality: String
var terminalBackend: String
var memoryEnabled: Bool
var memoryCharLimit: Int
var userCharLimit: Int
var nudgeInterval: Int
var streaming: Bool
var showReasoning: Bool
var verbose: Bool
var autoTTS: Bool
var silenceThreshold: Int
var reasoningEffort: String
var showCost: Bool
var approvalMode: String
var browserBackend: String
var memoryProvider: String
var dockerEnv: [String: String]
var commandAllowlist: [String]
var memoryProfile: String
var serviceTier: String
var gatewayNotifyInterval: Int
var forceIPv4: Bool
var contextEngine: String
var interimAssistantMessages: Bool
var honchoInitOnSessionStart: Bool
// Phase 1 additions
var timezone: String
var userProfileEnabled: Bool
var toolUseEnforcement: String // "auto" | "true" | "false" | comma list
var gatewayTimeout: Int
var approvalTimeout: Int
var fileReadMaxChars: Int
var cronWrapResponse: Bool
var prefillMessagesFile: String
var skillsExternalDirs: [String]
// Grouped blocks
var display: DisplaySettings
var terminal: TerminalSettings
var browser: BrowserSettings
var voice: VoiceSettings
var auxiliary: AuxiliarySettings
var security: SecuritySettings
var humanDelay: HumanDelaySettings
var compression: CompressionSettings
var checkpoints: CheckpointSettings
var logging: LoggingSettings
var delegation: DelegationSettings
var discord: DiscordSettings
var telegram: TelegramSettings
var slack: SlackSettings
var matrix: MatrixSettings
var mattermost: MattermostSettings
var whatsapp: WhatsAppSettings
var homeAssistant: HomeAssistantSettings
nonisolated static let empty = HermesConfig(
model: "unknown",
provider: "unknown",
maxTurns: 0,
personality: "default",
terminalBackend: "local",
memoryEnabled: false,
memoryCharLimit: 0,
userCharLimit: 0,
nudgeInterval: 0,
streaming: true,
showReasoning: false,
verbose: false,
autoTTS: true,
silenceThreshold: 200,
reasoningEffort: "medium",
showCost: false,
approvalMode: "manual",
browserBackend: "",
memoryProvider: "",
dockerEnv: [:],
commandAllowlist: [],
memoryProfile: "",
serviceTier: "normal",
gatewayNotifyInterval: 600,
forceIPv4: false,
contextEngine: "compressor",
interimAssistantMessages: true,
honchoInitOnSessionStart: false,
timezone: "",
userProfileEnabled: true,
toolUseEnforcement: "auto",
gatewayTimeout: 1800,
approvalTimeout: 60,
fileReadMaxChars: 100_000,
cronWrapResponse: true,
prefillMessagesFile: "",
skillsExternalDirs: [],
display: .empty,
terminal: .empty,
browser: .empty,
voice: .empty,
auxiliary: .empty,
security: .empty,
humanDelay: .empty,
compression: .empty,
checkpoints: .empty,
logging: .empty,
delegation: .empty,
discord: .empty,
telegram: .empty,
slack: .empty,
matrix: .empty,
mattermost: .empty,
whatsapp: .empty,
homeAssistant: .empty
)
}
// Hand-written `init(from:)` so Swift 6 doesn't synthesize a
// MainActor-isolated Decodable conformance (which would fail to be used from
// `HermesFileService.loadGatewayState()`, a nonisolated method).
struct GatewayState: Sendable, Codable {
nonisolated let pid: Int?
nonisolated let kind: String?
nonisolated let gatewayState: String?
nonisolated let exitReason: String?
nonisolated let platforms: [String: PlatformState]?
nonisolated let updatedAt: String?
enum CodingKeys: String, CodingKey {
case pid, kind
case gatewayState = "gateway_state"
case exitReason = "exit_reason"
case platforms
case updatedAt = "updated_at"
}
nonisolated init(from decoder: any Decoder) throws {
let c = try decoder.container(keyedBy: CodingKeys.self)
self.pid = try c.decodeIfPresent(Int.self, forKey: .pid)
self.kind = try c.decodeIfPresent(String.self, forKey: .kind)
self.gatewayState = try c.decodeIfPresent(String.self, forKey: .gatewayState)
self.exitReason = try c.decodeIfPresent(String.self, forKey: .exitReason)
self.platforms = try c.decodeIfPresent([String: PlatformState].self, forKey: .platforms)
self.updatedAt = try c.decodeIfPresent(String.self, forKey: .updatedAt)
}
nonisolated func encode(to encoder: any Encoder) throws {
var c = encoder.container(keyedBy: CodingKeys.self)
try c.encodeIfPresent(pid, forKey: .pid)
try c.encodeIfPresent(kind, forKey: .kind)
try c.encodeIfPresent(gatewayState, forKey: .gatewayState)
try c.encodeIfPresent(exitReason, forKey: .exitReason)
try c.encodeIfPresent(platforms, forKey: .platforms)
try c.encodeIfPresent(updatedAt, forKey: .updatedAt)
}
nonisolated var isRunning: Bool {
gatewayState == "running"
}
nonisolated var statusText: String {
gatewayState ?? "unknown"
}
}
struct PlatformState: Sendable, Codable {
nonisolated let connected: Bool?
nonisolated let error: String?
enum CodingKeys: String, CodingKey { case connected, error }
nonisolated init(from decoder: any Decoder) throws {
let c = try decoder.container(keyedBy: CodingKeys.self)
self.connected = try c.decodeIfPresent(Bool.self, forKey: .connected)
self.error = try c.decodeIfPresent(String.self, forKey: .error)
}
nonisolated func encode(to encoder: any Encoder) throws {
var c = encoder.container(keyedBy: CodingKeys.self)
try c.encodeIfPresent(connected, forKey: .connected)
try c.encodeIfPresent(error, forKey: .error)
}
}
@@ -0,0 +1,93 @@
import Foundation
import SQLite3
/// Deprecated module-level path statics. Preserved as thin forwarders to
/// `ServerContext.local.paths` so existing call sites continue to compile
/// while Phase 1 migrates them to a per-server `ServerContext`.
///
/// New code should accept a `ServerContext` and read `context.paths.<field>`.
enum HermesPaths: Sendable {
@available(*, deprecated, message: "use ServerContext.paths.home")
nonisolated static var home: String { ServerContext.local.paths.home }
@available(*, deprecated, message: "use ServerContext.paths.stateDB")
nonisolated static var stateDB: String { ServerContext.local.paths.stateDB }
@available(*, deprecated, message: "use ServerContext.paths.configYAML")
nonisolated static var configYAML: String { ServerContext.local.paths.configYAML }
@available(*, deprecated, message: "use ServerContext.paths.memoriesDir")
nonisolated static var memoriesDir: String { ServerContext.local.paths.memoriesDir }
@available(*, deprecated, message: "use ServerContext.paths.memoryMD")
nonisolated static var memoryMD: String { ServerContext.local.paths.memoryMD }
@available(*, deprecated, message: "use ServerContext.paths.userMD")
nonisolated static var userMD: String { ServerContext.local.paths.userMD }
@available(*, deprecated, message: "use ServerContext.paths.sessionsDir")
nonisolated static var sessionsDir: String { ServerContext.local.paths.sessionsDir }
@available(*, deprecated, message: "use ServerContext.paths.cronJobsJSON")
nonisolated static var cronJobsJSON: String { ServerContext.local.paths.cronJobsJSON }
@available(*, deprecated, message: "use ServerContext.paths.cronOutputDir")
nonisolated static var cronOutputDir: String { ServerContext.local.paths.cronOutputDir }
@available(*, deprecated, message: "use ServerContext.paths.gatewayStateJSON")
nonisolated static var gatewayStateJSON: String { ServerContext.local.paths.gatewayStateJSON }
@available(*, deprecated, message: "use ServerContext.paths.skillsDir")
nonisolated static var skillsDir: String { ServerContext.local.paths.skillsDir }
@available(*, deprecated, message: "use ServerContext.paths.errorsLog")
nonisolated static var errorsLog: String { ServerContext.local.paths.errorsLog }
@available(*, deprecated, message: "use ServerContext.paths.agentLog")
nonisolated static var agentLog: String { ServerContext.local.paths.agentLog }
@available(*, deprecated, message: "use ServerContext.paths.gatewayLog")
nonisolated static var gatewayLog: String { ServerContext.local.paths.gatewayLog }
@available(*, deprecated, message: "use ServerContext.paths.scarfDir")
nonisolated static var scarfDir: String { ServerContext.local.paths.scarfDir }
@available(*, deprecated, message: "use ServerContext.paths.projectsRegistry")
nonisolated static var projectsRegistry: String { ServerContext.local.paths.projectsRegistry }
@available(*, deprecated, message: "use ServerContext.paths.mcpTokensDir")
nonisolated static var mcpTokensDir: String { ServerContext.local.paths.mcpTokensDir }
@available(*, deprecated, message: "use HermesPathSet.hermesBinaryCandidates")
nonisolated static var hermesBinaryCandidates: [String] {
HermesPathSet.hermesBinaryCandidates
}
@available(*, deprecated, message: "use ServerContext.paths.hermesBinary")
nonisolated static var hermesBinary: String { ServerContext.local.paths.hermesBinary }
}
// MARK: - SQLite Constants
/// SQLITE_TRANSIENT tells SQLite to make its own copy of bound string data.
/// The C macro is defined as ((sqlite3_destructor_type)-1) which can't be imported directly into Swift.
nonisolated let sqliteTransient = unsafeBitCast(-1, to: sqlite3_destructor_type.self)
// MARK: - Query Defaults
enum QueryDefaults: Sendable {
nonisolated static let sessionLimit = 100
nonisolated static let messageSearchLimit = 50
nonisolated static let toolCallLimit = 50
nonisolated static let sessionPreviewLimit = 10
nonisolated static let previewContentLength = 100
nonisolated static let logLineLimit = 200
nonisolated static let defaultSilenceThreshold = 200
}
// MARK: - File Size Formatting
enum FileSizeUnit: Sendable {
nonisolated static let kilobyte = 1_024.0
nonisolated static let megabyte = 1_048_576.0
}
+158
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@@ -0,0 +1,158 @@
import Foundation
struct HermesCronJob: Identifiable, Sendable, Codable {
nonisolated let id: String
nonisolated let name: String
nonisolated let prompt: String
nonisolated let skills: [String]?
nonisolated let model: String?
nonisolated let schedule: CronSchedule
nonisolated let enabled: Bool
nonisolated let state: String
nonisolated let deliver: String?
nonisolated let nextRunAt: String?
nonisolated let lastRunAt: String?
nonisolated let lastError: String?
nonisolated let preRunScript: String?
nonisolated let deliveryFailures: Int?
nonisolated let lastDeliveryError: String?
nonisolated let timeoutType: String?
nonisolated let timeoutSeconds: Int?
nonisolated let silent: Bool?
enum CodingKeys: String, CodingKey {
case id, name, prompt, skills, model, schedule, enabled, state, deliver, silent
case nextRunAt = "next_run_at"
case lastRunAt = "last_run_at"
case lastError = "last_error"
case preRunScript = "pre_run_script"
case deliveryFailures = "delivery_failures"
case lastDeliveryError = "last_delivery_error"
case timeoutType = "timeout_type"
case timeoutSeconds = "timeout_seconds"
}
nonisolated init(from decoder: any Decoder) throws {
let c = try decoder.container(keyedBy: CodingKeys.self)
self.id = try c.decode(String.self, forKey: .id)
self.name = try c.decode(String.self, forKey: .name)
self.prompt = try c.decode(String.self, forKey: .prompt)
self.skills = try c.decodeIfPresent([String].self, forKey: .skills)
self.model = try c.decodeIfPresent(String.self, forKey: .model)
self.schedule = try c.decode(CronSchedule.self, forKey: .schedule)
self.enabled = try c.decode(Bool.self, forKey: .enabled)
self.state = try c.decode(String.self, forKey: .state)
self.deliver = try c.decodeIfPresent(String.self, forKey: .deliver)
self.nextRunAt = try c.decodeIfPresent(String.self, forKey: .nextRunAt)
self.lastRunAt = try c.decodeIfPresent(String.self, forKey: .lastRunAt)
self.lastError = try c.decodeIfPresent(String.self, forKey: .lastError)
self.preRunScript = try c.decodeIfPresent(String.self, forKey: .preRunScript)
self.deliveryFailures = try c.decodeIfPresent(Int.self, forKey: .deliveryFailures)
self.lastDeliveryError = try c.decodeIfPresent(String.self, forKey: .lastDeliveryError)
self.timeoutType = try c.decodeIfPresent(String.self, forKey: .timeoutType)
self.timeoutSeconds = try c.decodeIfPresent(Int.self, forKey: .timeoutSeconds)
self.silent = try c.decodeIfPresent(Bool.self, forKey: .silent)
}
nonisolated func encode(to encoder: any Encoder) throws {
var c = encoder.container(keyedBy: CodingKeys.self)
try c.encode(id, forKey: .id)
try c.encode(name, forKey: .name)
try c.encode(prompt, forKey: .prompt)
try c.encodeIfPresent(skills, forKey: .skills)
try c.encodeIfPresent(model, forKey: .model)
try c.encode(schedule, forKey: .schedule)
try c.encode(enabled, forKey: .enabled)
try c.encode(state, forKey: .state)
try c.encodeIfPresent(deliver, forKey: .deliver)
try c.encodeIfPresent(nextRunAt, forKey: .nextRunAt)
try c.encodeIfPresent(lastRunAt, forKey: .lastRunAt)
try c.encodeIfPresent(lastError, forKey: .lastError)
try c.encodeIfPresent(preRunScript, forKey: .preRunScript)
try c.encodeIfPresent(deliveryFailures, forKey: .deliveryFailures)
try c.encodeIfPresent(lastDeliveryError, forKey: .lastDeliveryError)
try c.encodeIfPresent(timeoutType, forKey: .timeoutType)
try c.encodeIfPresent(timeoutSeconds, forKey: .timeoutSeconds)
try c.encodeIfPresent(silent, forKey: .silent)
}
nonisolated var stateIcon: String {
switch state {
case "scheduled": return "clock"
case "running": return "play.circle"
case "completed": return "checkmark.circle"
case "failed": return "xmark.circle"
default: return "questionmark.circle"
}
}
nonisolated var deliveryDisplay: String? {
guard let deliver, !deliver.isEmpty else { return nil }
// v0.9.0 extends Discord routing to threads: `discord:<chat>:<thread>`.
if deliver.hasPrefix("discord:") {
let parts = deliver.dropFirst("discord:".count).split(separator: ":", maxSplits: 1, omittingEmptySubsequences: false)
if parts.count == 2 {
return "Discord thread \(parts[1]) in \(parts[0])"
}
if parts.count == 1 {
return "Discord \(parts[0])"
}
}
return deliver
}
}
struct CronSchedule: Sendable, Codable {
nonisolated let kind: String
nonisolated let runAt: String?
nonisolated let display: String?
nonisolated let expression: String?
enum CodingKeys: String, CodingKey {
case kind
case runAt = "run_at"
case display
case expression
}
nonisolated init(from decoder: any Decoder) throws {
let c = try decoder.container(keyedBy: CodingKeys.self)
self.kind = try c.decode(String.self, forKey: .kind)
self.runAt = try c.decodeIfPresent(String.self, forKey: .runAt)
self.display = try c.decodeIfPresent(String.self, forKey: .display)
self.expression = try c.decodeIfPresent(String.self, forKey: .expression)
}
nonisolated func encode(to encoder: any Encoder) throws {
var c = encoder.container(keyedBy: CodingKeys.self)
try c.encode(kind, forKey: .kind)
try c.encodeIfPresent(runAt, forKey: .runAt)
try c.encodeIfPresent(display, forKey: .display)
try c.encodeIfPresent(expression, forKey: .expression)
}
}
// Hand-written `init(from:)` / `encode(to:)` so Swift 6 doesn't synthesize a
// MainActor-isolated Codable conformance `HermesFileService.loadCronJobs`
// is nonisolated and needs to decode this from a background task.
struct CronJobsFile: Sendable, Codable {
nonisolated let jobs: [HermesCronJob]
nonisolated let updatedAt: String?
enum CodingKeys: String, CodingKey {
case jobs
case updatedAt = "updated_at"
}
nonisolated init(from decoder: any Decoder) throws {
let c = try decoder.container(keyedBy: CodingKeys.self)
self.jobs = try c.decode([HermesCronJob].self, forKey: .jobs)
self.updatedAt = try c.decodeIfPresent(String.self, forKey: .updatedAt)
}
nonisolated func encode(to encoder: any Encoder) throws {
var c = encoder.container(keyedBy: CodingKeys.self)
try c.encode(jobs, forKey: .jobs)
try c.encodeIfPresent(updatedAt, forKey: .updatedAt)
}
}
@@ -0,0 +1,54 @@
import Foundation
enum MCPTransport: String, Sendable, Equatable, CaseIterable, Identifiable {
case stdio
case http
var id: String { rawValue }
var displayName: String {
switch self {
case .stdio: return "Local (stdio)"
case .http: return "Remote (HTTP)"
}
}
}
struct HermesMCPServer: Identifiable, Sendable, Equatable {
let name: String
let transport: MCPTransport
let command: String?
let args: [String]
let url: String?
let auth: String?
let env: [String: String]
let headers: [String: String]
let timeout: Int?
let connectTimeout: Int?
let enabled: Bool
let toolsInclude: [String]
let toolsExclude: [String]
let resourcesEnabled: Bool
let promptsEnabled: Bool
let hasOAuthToken: Bool
var id: String { name }
var summary: String {
switch transport {
case .stdio:
let argString = args.isEmpty ? "" : " " + args.joined(separator: " ")
return (command ?? "") + argString
case .http:
return url ?? ""
}
}
}
struct MCPTestResult: Sendable, Equatable {
let serverName: String
let succeeded: Bool
let output: String
let tools: [String]
let elapsed: TimeInterval
}
+123
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import Foundation
struct HermesMessage: Identifiable, Sendable {
let id: Int
let sessionId: String
let role: String
let content: String
let toolCallId: String?
let toolCalls: [HermesToolCall]
let toolName: String?
let timestamp: Date?
let tokenCount: Int?
let finishReason: String?
let reasoning: String?
var isUser: Bool { role == "user" }
var isAssistant: Bool { role == "assistant" }
var isToolResult: Bool { role == "tool" }
var hasReasoning: Bool { reasoning != nil && !(reasoning?.isEmpty ?? true) }
}
struct HermesToolCall: Identifiable, Sendable, Codable {
var id: String { callId }
let callId: String
let functionName: String
let arguments: String
enum CodingKeys: String, CodingKey {
case callId = "id"
case type
case function
}
enum FunctionKeys: String, CodingKey {
case name
case arguments
}
init(callId: String, functionName: String, arguments: String) {
self.callId = callId
self.functionName = functionName
self.arguments = arguments
}
init(from decoder: Decoder) throws {
let container = try decoder.container(keyedBy: CodingKeys.self)
callId = try container.decode(String.self, forKey: .callId)
let funcContainer = try container.nestedContainer(keyedBy: FunctionKeys.self, forKey: .function)
functionName = try funcContainer.decode(String.self, forKey: .name)
arguments = try funcContainer.decode(String.self, forKey: .arguments)
}
func encode(to encoder: Encoder) throws {
var container = encoder.container(keyedBy: CodingKeys.self)
try container.encode(callId, forKey: .callId)
try container.encode("function", forKey: .type)
var funcContainer = container.nestedContainer(keyedBy: FunctionKeys.self, forKey: .function)
try funcContainer.encode(functionName, forKey: .name)
try funcContainer.encode(arguments, forKey: .arguments)
}
var toolKind: ToolKind {
switch functionName {
case "read_file", "search_files", "vision_analyze": return .read
case "write_file", "patch": return .edit
case "terminal", "execute_code": return .execute
case "web_search", "web_extract": return .fetch
case "browser_navigate", "browser_click", "browser_screenshot": return .browser
default: return .other
}
}
var argumentsSummary: String {
guard let data = arguments.data(using: .utf8),
let json = try? JSONSerialization.jsonObject(with: data) as? [String: Any] else {
return arguments
}
if let command = json["command"] as? String {
return command
}
if let path = json["path"] as? String {
return path
}
if let query = json["query"] as? String {
return query
}
if let url = json["url"] as? String {
return url
}
return arguments.prefix(120) + (arguments.count > 120 ? "..." : "")
}
}
enum ToolKind: String, Sendable, CaseIterable {
case read
case edit
case execute
case fetch
case browser
case other
var icon: String {
switch self {
case .read: return "doc.text.magnifyingglass"
case .edit: return "pencil"
case .execute: return "terminal"
case .fetch: return "globe"
case .browser: return "safari"
case .other: return "gearshape"
}
}
var color: String {
switch self {
case .read: return "green"
case .edit: return "blue"
case .execute: return "orange"
case .fetch: return "purple"
case .browser: return "indigo"
case .other: return "gray"
}
}
}
@@ -0,0 +1,92 @@
import Foundation
/// The filesystem layout of a Hermes installation, parameterized by the
/// `home` directory. The same layout is used for local installations (where
/// `home` is an absolute macOS path like `/Users/alan/.hermes`) and for
/// remote installations reached over SSH (where `home` is a remote path like
/// `/home/deploy/.hermes` or an unexpanded `~/.hermes` that the remote shell
/// will resolve).
///
/// Every path that used to live as a module-level static on `HermesPaths` is
/// an instance property here. `ServerContext.paths` is the canonical way to
/// reach these values; the old `HermesPaths` statics are preserved as
/// deprecated forwarders so Phase 1 can migrate call sites incrementally.
struct HermesPathSet: Sendable, Hashable {
let home: String
/// `true` when this path set belongs to a remote installation. Affects
/// only `hermesBinary` resolution every other path is identical in
/// shape between local and remote.
let isRemote: Bool
/// Pre-resolved remote binary path (e.g. `/home/deploy/.local/bin/hermes`).
/// Populated by `SSHTransport` once `command -v hermes` has run on the
/// target host. Unused when `isRemote == false`.
let binaryHint: String?
// MARK: - Defaults
/// Absolute path to the local user's `~/.hermes` directory.
nonisolated static let defaultLocalHome: String = {
let user = ProcessInfo.processInfo.environment["HOME"] ?? NSHomeDirectory()
return user + "/.hermes"
}()
/// Default remote home when the user doesn't override it in `SSHConfig`.
/// We leave `~` unexpanded on purpose the remote shell resolves it.
nonisolated static let defaultRemoteHome: String = "~/.hermes"
// MARK: - Paths (mirror of the old HermesPaths layout)
nonisolated var stateDB: String { home + "/state.db" }
nonisolated var configYAML: String { home + "/config.yaml" }
nonisolated var envFile: String { home + "/.env" }
nonisolated var authJSON: String { home + "/auth.json" }
nonisolated var soulMD: String { home + "/SOUL.md" }
nonisolated var pluginsDir: String { home + "/plugins" }
nonisolated var memoriesDir: String { home + "/memories" }
nonisolated var memoryMD: String { memoriesDir + "/MEMORY.md" }
nonisolated var userMD: String { memoriesDir + "/USER.md" }
nonisolated var sessionsDir: String { home + "/sessions" }
nonisolated var cronJobsJSON: String { home + "/cron/jobs.json" }
nonisolated var cronOutputDir: String { home + "/cron/output" }
nonisolated var gatewayStateJSON: String { home + "/gateway_state.json" }
nonisolated var skillsDir: String { home + "/skills" }
nonisolated var errorsLog: String { home + "/logs/errors.log" }
nonisolated var agentLog: String { home + "/logs/agent.log" }
nonisolated var gatewayLog: String { home + "/logs/gateway.log" }
nonisolated var scarfDir: String { home + "/scarf" }
nonisolated var projectsRegistry: String { scarfDir + "/projects.json" }
nonisolated var mcpTokensDir: String { home + "/mcp-tokens" }
// MARK: - Binary resolution
/// Install locations we probe for the local `hermes` binary, in priority
/// order. Checked on every access so a user installing via a different
/// method doesn't need to relaunch Scarf.
nonisolated static let hermesBinaryCandidates: [String] = {
let user = ProcessInfo.processInfo.environment["HOME"] ?? NSHomeDirectory()
return [
user + "/.local/bin/hermes", // pipx / pip --user (default)
"/opt/homebrew/bin/hermes", // Homebrew on Apple Silicon
"/usr/local/bin/hermes", // Homebrew on Intel / manual install
user + "/.hermes/bin/hermes" // Some self-install layouts
]
}()
/// Resolved path to the `hermes` executable for this installation.
///
/// Local: returns the first executable candidate, falling back to the
/// pipx default so error messages still make sense on a fresh machine.
///
/// Remote: returns `binaryHint` (populated at connect time) or bare
/// `"hermes"` as a last-resort default that relies on the remote `$PATH`.
nonisolated var hermesBinary: String {
if isRemote {
return binaryHint ?? "hermes"
}
for path in Self.hermesBinaryCandidates
where FileManager.default.isExecutableFile(atPath: path) {
return path
}
return Self.hermesBinaryCandidates[0]
}
}
@@ -0,0 +1,59 @@
import Foundation
struct HermesSession: Identifiable, Sendable {
let id: String
let source: String
let userId: String?
let model: String?
let title: String?
let parentSessionId: String?
let startedAt: Date?
let endedAt: Date?
let endReason: String?
let messageCount: Int
let toolCallCount: Int
let inputTokens: Int
let outputTokens: Int
let cacheReadTokens: Int
let cacheWriteTokens: Int
let estimatedCostUSD: Double?
let reasoningTokens: Int
let actualCostUSD: Double?
let costStatus: String?
let billingProvider: String?
var isSubagent: Bool { parentSessionId != nil }
var totalTokens: Int { inputTokens + outputTokens + reasoningTokens }
var displayCostUSD: Double? { actualCostUSD ?? estimatedCostUSD }
var costIsActual: Bool { actualCostUSD != nil }
var duration: TimeInterval? {
guard let start = startedAt, let end = endedAt else { return nil }
return end.timeIntervalSince(start)
}
var displayTitle: String {
title ?? id
}
var sourceIcon: String {
KnownPlatforms.icon(for: source)
}
func withTitle(_ newTitle: String) -> HermesSession {
HermesSession(
id: id, source: source, userId: userId, model: model,
title: newTitle, parentSessionId: parentSessionId,
startedAt: startedAt, endedAt: endedAt, endReason: endReason,
messageCount: messageCount, toolCallCount: toolCallCount,
inputTokens: inputTokens, outputTokens: outputTokens,
cacheReadTokens: cacheReadTokens, cacheWriteTokens: cacheWriteTokens,
estimatedCostUSD: estimatedCostUSD, reasoningTokens: reasoningTokens,
actualCostUSD: actualCostUSD, costStatus: costStatus,
billingProvider: billingProvider
)
}
}
+16
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@@ -0,0 +1,16 @@
import Foundation
struct HermesSkillCategory: Identifiable, Sendable {
let id: String
let name: String
let skills: [HermesSkill]
}
struct HermesSkill: Identifiable, Sendable {
let id: String
let name: String
let category: String
let path: String
let files: [String]
let requiredConfig: [String]
}
+54
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@@ -0,0 +1,54 @@
import Foundation
struct HermesToolset: Identifiable, Sendable {
var id: String { name }
let name: String
let description: String
let icon: String
var enabled: Bool
}
struct HermesToolPlatform: Identifiable, Sendable {
var id: String { name }
let name: String
let displayName: String
let icon: String
}
enum KnownPlatforms {
static let cli = HermesToolPlatform(name: "cli", displayName: "CLI", icon: "terminal")
static let all: [HermesToolPlatform] = [
cli,
HermesToolPlatform(name: "telegram", displayName: "Telegram", icon: "paperplane"),
HermesToolPlatform(name: "discord", displayName: "Discord", icon: "bubble.left.and.bubble.right"),
HermesToolPlatform(name: "slack", displayName: "Slack", icon: "number"),
HermesToolPlatform(name: "whatsapp", displayName: "WhatsApp", icon: "phone.bubble"),
HermesToolPlatform(name: "signal", displayName: "Signal", icon: "lock.shield"),
HermesToolPlatform(name: "email", displayName: "Email", icon: "envelope"),
HermesToolPlatform(name: "homeassistant", displayName: "Home Assistant", icon: "house"),
HermesToolPlatform(name: "webhook", displayName: "Webhook", icon: "arrow.up.right.square"),
HermesToolPlatform(name: "matrix", displayName: "Matrix", icon: "lock.rectangle.stack"),
HermesToolPlatform(name: "feishu", displayName: "Feishu", icon: "message.badge.circle"),
HermesToolPlatform(name: "mattermost", displayName: "Mattermost", icon: "bubble.left.and.exclamationmark.bubble.right"),
HermesToolPlatform(name: "imessage", displayName: "iMessage", icon: "message.fill"),
]
static func icon(for platform: String) -> String {
switch platform {
case "cli": return "terminal"
case "telegram": return "paperplane"
case "discord": return "bubble.left.and.bubble.right"
case "slack": return "number"
case "whatsapp": return "phone.bubble"
case "signal": return "lock.shield"
case "email": return "envelope"
case "homeassistant": return "house"
case "webhook": return "arrow.up.right.square"
case "matrix": return "lock.rectangle.stack"
case "feishu": return "message.badge.circle"
case "mattermost": return "bubble.left.and.exclamationmark.bubble.right"
case "imessage": return "message.fill"
default: return "bubble.left"
}
}
}
@@ -0,0 +1,174 @@
import Foundation
struct MCPServerPreset: Identifiable, Sendable, Equatable {
let id: String
let displayName: String
let description: String
let category: String
let iconSystemName: String
let transport: MCPTransport
let command: String?
let args: [String]
let url: String?
let auth: String?
let requiredEnvKeys: [String]
let optionalEnvKeys: [String]
let pathArgPrompt: String?
let docsURL: String
static let gallery: [MCPServerPreset] = [
MCPServerPreset(
id: "filesystem",
displayName: "Filesystem",
description: "Read and write files under a root directory you choose.",
category: "Built-in",
iconSystemName: "folder",
transport: .stdio,
command: "npx",
args: ["-y", "@modelcontextprotocol/server-filesystem"],
url: nil,
auth: nil,
requiredEnvKeys: [],
optionalEnvKeys: [],
pathArgPrompt: "Root directory (absolute path)",
docsURL: "https://github.com/modelcontextprotocol/servers/tree/main/src/filesystem"
),
MCPServerPreset(
id: "github",
displayName: "GitHub",
description: "Issues, pull requests, code search, and file operations via GitHub API.",
category: "Dev",
iconSystemName: "chevron.left.forwardslash.chevron.right",
transport: .stdio,
command: "npx",
args: ["-y", "@modelcontextprotocol/server-github"],
url: nil,
auth: nil,
requiredEnvKeys: ["GITHUB_PERSONAL_ACCESS_TOKEN"],
optionalEnvKeys: [],
pathArgPrompt: nil,
docsURL: "https://github.com/modelcontextprotocol/servers/tree/main/src/github"
),
MCPServerPreset(
id: "postgres",
displayName: "Postgres",
description: "Read-only SQL access against a Postgres database.",
category: "Data",
iconSystemName: "cylinder.split.1x2",
transport: .stdio,
command: "npx",
args: ["-y", "@modelcontextprotocol/server-postgres"],
url: nil,
auth: nil,
requiredEnvKeys: [],
optionalEnvKeys: [],
pathArgPrompt: "Connection URL (postgres://user:pass@host/db)",
docsURL: "https://github.com/modelcontextprotocol/servers/tree/main/src/postgres"
),
MCPServerPreset(
id: "slack",
displayName: "Slack",
description: "Read channels, post messages, and search your Slack workspace.",
category: "Productivity",
iconSystemName: "bubble.left.and.bubble.right",
transport: .stdio,
command: "npx",
args: ["-y", "@modelcontextprotocol/server-slack"],
url: nil,
auth: nil,
requiredEnvKeys: ["SLACK_BOT_TOKEN", "SLACK_TEAM_ID"],
optionalEnvKeys: [],
pathArgPrompt: nil,
docsURL: "https://github.com/modelcontextprotocol/servers/tree/main/src/slack"
),
MCPServerPreset(
id: "linear",
displayName: "Linear",
description: "Query and update Linear issues. Uses OAuth — no token needed.",
category: "Productivity",
iconSystemName: "list.bullet.rectangle",
transport: .http,
command: nil,
args: [],
url: "https://mcp.linear.app/sse",
auth: "oauth",
requiredEnvKeys: [],
optionalEnvKeys: [],
pathArgPrompt: nil,
docsURL: "https://linear.app/docs/mcp"
),
MCPServerPreset(
id: "sentry",
displayName: "Sentry",
description: "Investigate errors and performance issues from Sentry.",
category: "Dev",
iconSystemName: "exclamationmark.triangle",
transport: .stdio,
command: "npx",
args: ["-y", "@sentry/mcp-server"],
url: nil,
auth: nil,
requiredEnvKeys: ["SENTRY_AUTH_TOKEN", "SENTRY_ORG"],
optionalEnvKeys: [],
pathArgPrompt: nil,
docsURL: "https://docs.sentry.io/product/mcp/"
),
MCPServerPreset(
id: "puppeteer",
displayName: "Puppeteer",
description: "Headless browser automation — navigate pages, click, screenshot.",
category: "Automation",
iconSystemName: "safari",
transport: .stdio,
command: "npx",
args: ["-y", "@modelcontextprotocol/server-puppeteer"],
url: nil,
auth: nil,
requiredEnvKeys: [],
optionalEnvKeys: [],
pathArgPrompt: nil,
docsURL: "https://github.com/modelcontextprotocol/servers/tree/main/src/puppeteer"
),
MCPServerPreset(
id: "memory",
displayName: "Memory (Knowledge Graph)",
description: "Persistent knowledge graph of entities and relations across sessions.",
category: "Built-in",
iconSystemName: "brain",
transport: .stdio,
command: "npx",
args: ["-y", "@modelcontextprotocol/server-memory"],
url: nil,
auth: nil,
requiredEnvKeys: [],
optionalEnvKeys: ["MEMORY_FILE_PATH"],
pathArgPrompt: nil,
docsURL: "https://github.com/modelcontextprotocol/servers/tree/main/src/memory"
),
MCPServerPreset(
id: "fetch",
displayName: "Fetch",
description: "Retrieve and convert web pages to markdown.",
category: "Built-in",
iconSystemName: "arrow.down.circle",
transport: .stdio,
command: "npx",
args: ["-y", "@modelcontextprotocol/server-fetch"],
url: nil,
auth: nil,
requiredEnvKeys: [],
optionalEnvKeys: [],
pathArgPrompt: nil,
docsURL: "https://github.com/modelcontextprotocol/servers/tree/main/src/fetch"
)
]
static var categories: [String] {
var seen = Set<String>()
return gallery.compactMap { p in seen.insert(p.category).inserted ? p.category : nil }
}
static func byCategory(_ category: String) -> [MCPServerPreset] {
gallery.filter { $0.category == category }
}
}
@@ -0,0 +1,138 @@
import Foundation
// MARK: - Registry
struct ProjectRegistry: Codable, Sendable {
var projects: [ProjectEntry]
}
struct ProjectEntry: Codable, Sendable, Identifiable, Hashable {
var id: String { name }
let name: String
let path: String
var dashboardPath: String { path + "/.scarf/dashboard.json" }
}
// MARK: - Dashboard
struct ProjectDashboard: Codable, Sendable {
let version: Int
let title: String
let description: String?
let updatedAt: String?
let theme: DashboardTheme?
let sections: [DashboardSection]
}
struct DashboardTheme: Codable, Sendable {
let accent: String?
}
struct DashboardSection: Codable, Sendable, Identifiable {
var id: String { title }
let title: String
let columns: Int?
let widgets: [DashboardWidget]
var columnCount: Int { columns ?? 3 }
}
struct DashboardWidget: Codable, Sendable, Identifiable {
var id: String { type + ":" + title }
let type: String
let title: String
// Stat
let value: WidgetValue?
let icon: String?
let color: String?
let subtitle: String?
// Progress
let label: String?
// Text
let content: String?
let format: String?
// Table
let columns: [String]?
let rows: [[String]]?
// Chart
let chartType: String?
let xLabel: String?
let yLabel: String?
let series: [ChartSeries]?
// List
let items: [ListItem]?
// Webview
let url: String?
let height: Double?
}
// MARK: - Widget Value (String or Number)
enum WidgetValue: Codable, Sendable, Hashable {
case string(String)
case number(Double)
var displayString: String {
switch self {
case .string(let s): return s
case .number(let n):
return n.truncatingRemainder(dividingBy: 1) == 0
? String(Int(n))
: String(format: "%.1f", n)
}
}
init(from decoder: Decoder) throws {
let container = try decoder.singleValueContainer()
if let d = try? container.decode(Double.self) {
self = .number(d)
} else if let s = try? container.decode(String.self) {
self = .string(s)
} else {
throw DecodingError.typeMismatch(
WidgetValue.self,
.init(codingPath: decoder.codingPath, debugDescription: "Expected String or Number")
)
}
}
func encode(to encoder: Encoder) throws {
var container = encoder.singleValueContainer()
switch self {
case .string(let s): try container.encode(s)
case .number(let n): try container.encode(n)
}
}
}
// MARK: - Chart Data
struct ChartSeries: Codable, Sendable, Identifiable {
var id: String { name }
let name: String
let color: String?
let data: [ChartDataPoint]
}
struct ChartDataPoint: Codable, Sendable, Identifiable {
var id: String { x }
let x: String
let y: Double
}
// MARK: - List Data
struct ListItem: Codable, Sendable, Identifiable {
var id: String { text }
let text: String
let status: String?
}
+253
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@@ -0,0 +1,253 @@
import Foundation
import SwiftUI
import AppKit
/// Stable identifier for a server entry in the user's registry. Backed by
/// `UUID` so it round-trips through `servers.json` and SwiftUI window-state
/// restoration without collisions.
typealias ServerID = UUID
/// Connection parameters for a remote Hermes installation reached over SSH.
/// All fields are optional except `host` unset values defer to the user's
/// `~/.ssh/config` and the OpenSSH defaults.
struct SSHConfig: Sendable, Hashable, Codable {
/// Hostname or `~/.ssh/config` alias.
var host: String
/// Remote username. `nil` defer to `~/.ssh/config` or the local user.
var user: String?
/// TCP port. `nil` 22 (or whatever `~/.ssh/config` says).
var port: Int?
/// Absolute path to a private key. `nil` defer to ssh-agent /
/// `~/.ssh/config` identity files.
var identityFile: String?
/// Override for the remote `$HOME/.hermes` directory. `nil` uses
/// `HermesPathSet.defaultRemoteHome` (`~/.hermes`, shell-expanded on the
/// remote side).
var remoteHome: String?
/// Resolved remote path to the `hermes` binary. Populated by
/// `SSHTransport` after the first `command -v hermes` probe; cached here
/// so subsequent calls skip the round trip.
var hermesBinaryHint: String?
}
/// Distinguishes a local installation (the user's own `~/.hermes`) from a
/// remote one reached over SSH. Service behavior is identical in shape but
/// dispatches to different I/O primitives in Phase 2.
enum ServerKind: Sendable, Hashable, Codable {
case local
case ssh(SSHConfig)
}
/// The per-server value that flows through `.environment` and gets handed to
/// every service and ViewModel in Phase 1. One `ServerContext` corresponds to
/// one Hermes installation; multi-window scenes in Phase 3 will construct
/// one per window.
///
/// **Why every member is `nonisolated`.** This file imports `AppKit`
/// (`NSWorkspace.shared.open` in `openInLocalEditor`), which under Swift 6's
/// upcoming default-isolation rules pulls the whole struct to `@MainActor`.
/// `ServerContext` is a plain `Sendable` value accessing `.local`, `.paths`,
/// `.isRemote`, or `makeTransport()` from a background actor must not trap
/// the caller into hopping MainActor. `nonisolated` on each member keeps
/// them callable from any context; the one MainActor-dependent method
/// (`openInLocalEditor`) lives in the extension below.
struct ServerContext: Sendable, Hashable, Identifiable {
let id: ServerID
var displayName: String
var kind: ServerKind
/// Path layout for this server. Cheap all path components are computed
/// on demand from `home`, no I/O.
nonisolated var paths: HermesPathSet {
switch kind {
case .local:
return HermesPathSet(
home: HermesPathSet.defaultLocalHome,
isRemote: false,
binaryHint: nil
)
case .ssh(let config):
return HermesPathSet(
home: config.remoteHome ?? HermesPathSet.defaultRemoteHome,
isRemote: true,
binaryHint: config.hermesBinaryHint
)
}
}
nonisolated var isRemote: Bool {
if case .ssh = kind { return true }
return false
}
/// Construct the `ServerTransport` for this context. Local contexts get
/// a `LocalTransport`; SSH contexts get an `SSHTransport` configured
/// from `SSHConfig`. Each call returns a fresh value transports are
/// cheap and stateless beyond disk caches.
nonisolated func makeTransport() -> any ServerTransport {
switch kind {
case .local:
return LocalTransport(contextID: id)
case .ssh(let config):
return SSHTransport(contextID: id, config: config, displayName: displayName)
}
}
// MARK: - Well-known singletons
/// Stable UUID for the built-in "this machine" entry. Hard-coded so the
/// local context has the same identity across launches, and so persisted
/// window-state restorations that reference it continue to resolve even
/// if `servers.json` hasn't been touched yet.
nonisolated private static let localID = ServerID(uuidString: "00000000-0000-0000-0000-000000000001")!
/// The default "this machine" context. Used everywhere in Phase 0/1 and
/// remains the fallback when no remote server is selected.
nonisolated static let local = ServerContext(
id: localID,
displayName: "Local",
kind: .local
)
}
// MARK: - Remote user-home resolution
/// Process-wide cache of each server's resolved user `$HOME`. Probed once per
/// `ServerID` via the transport, then memoized for the app's lifetime home
/// directories don't change under us, and the probe is a ~5ms SSH round-trip
/// with ControlMaster. Used by anything that needs to hand a working
/// directory to the ACP agent or the Hermes CLI on the correct host.
private actor UserHomeCache {
static let shared = UserHomeCache()
private var cache: [ServerID: String] = [:]
func resolve(for context: ServerContext) async -> String {
if let cached = cache[context.id] { return cached }
let resolved = await probe(context: context)
cache[context.id] = resolved
return resolved
}
func invalidate(contextID: ServerID) {
cache.removeValue(forKey: contextID)
}
private func probe(context: ServerContext) async -> String {
if !context.isRemote { return NSHomeDirectory() }
let transport = context.makeTransport()
let result = try? transport.runProcess(
executable: "/bin/sh",
args: ["-c", "echo $HOME"],
stdin: nil,
timeout: 10
)
let out = result?.stdoutString.trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
// Fall back to `~` (unexpanded) so ACP at least gets a plausible cwd
// rather than a local Mac path. The remote side will expand it if
// passed through a shell; if not, failures are surfaced by ACP itself.
return out.isEmpty ? "~" : out
}
}
extension ServerContext {
/// Resolved absolute path to the user's home directory on the target host.
/// Local: `NSHomeDirectory()`. Remote: probed `$HOME` over SSH, cached.
/// Use this not `NSHomeDirectory()` whenever you're passing a `cwd`
/// or user path to a process that runs on the target host.
func resolvedUserHome() async -> String {
await UserHomeCache.shared.resolve(for: self)
}
/// Called when a server is removed from the registry, so the process-wide
/// caches keyed by `ServerID` don't hold stale entries forever.
static func invalidateCaches(for contextID: ServerID) async {
await UserHomeCache.shared.invalidate(contextID: contextID)
}
}
// MARK: - Convenience file I/O via the right transport
/// Centralized file I/O entry points for VMs that don't own a service. Every
/// call goes through the context's transport, so reads/writes hit the local
/// disk for `.local` and ssh/scp for `.ssh` automatically.
///
/// **Always** prefer `context.readText(...)` over `String(contentsOfFile: ...)`
/// when the path comes from `context.paths`. The Foundation file APIs are
/// LOCAL ONLY using them with a remote path silently returns nil because
/// the remote path doesn't exist on this Mac.
extension ServerContext {
/// Read a UTF-8 text file. `nil` on any error (missing, transport down,
/// invalid encoding).
nonisolated func readText(_ path: String) -> String? {
guard let data = try? makeTransport().readFile(path) else { return nil }
return String(data: data, encoding: .utf8)
}
/// Read raw bytes. `nil` on any error.
nonisolated func readData(_ path: String) -> Data? {
try? makeTransport().readFile(path)
}
/// Atomic write. Returns `true` on success, `false` on any error
/// (caller is expected to surface failures via UI when relevant).
@discardableResult
nonisolated func writeText(_ path: String, content: String) -> Bool {
guard let data = content.data(using: .utf8) else { return false }
do {
try makeTransport().writeFile(path, data: data)
return true
} catch {
return false
}
}
/// Existence check. Local: `FileManager`. Remote: `ssh test -e`.
nonisolated func fileExists(_ path: String) -> Bool {
makeTransport().fileExists(path)
}
/// File modification timestamp, or `nil` if the file doesn't exist.
nonisolated func modificationDate(_ path: String) -> Date? {
makeTransport().stat(path)?.mtime
}
/// Invoke the `hermes` CLI on this server and return its combined output
/// + exit code. Local: spawns the local binary via `Process`. Remote:
/// rounds through `ssh host hermes `. Use this from any VM that needs
/// to fire off a CLI command never spawn `hermes` via `Process()`
/// directly, because that path bypasses the transport for remote.
@discardableResult
nonisolated func runHermes(_ args: [String], timeout: TimeInterval = 60, stdin: String? = nil) -> (output: String, exitCode: Int32) {
let result = HermesFileService(context: self).runHermesCLI(args: args, timeout: timeout, stdinInput: stdin)
return (result.output, result.exitCode)
}
/// Reveal the file at `path` in the user's local editor (via
/// `NSWorkspace.open`). For remote contexts this is a no-op the
/// file doesn't exist on this Mac, so opening it would fail silently
/// or worse, open the wrong file from the local filesystem.
/// Returns `true` if opened, `false` if the call was skipped.
@discardableResult
func openInLocalEditor(_ path: String) -> Bool {
guard !isRemote else { return false }
NSWorkspace.shared.open(URL(fileURLWithPath: path))
return true
}
}
// MARK: - SwiftUI environment plumbing
/// `ServerContext` is a value type, so SwiftUI's `.environment(_:)` (which
/// requires an `@Observable` class) doesn't accept it directly. We expose it
/// through a custom `EnvironmentKey` views read it with
/// `@Environment(\.serverContext) private var serverContext`.
private struct ServerContextEnvironmentKey: EnvironmentKey {
static let defaultValue: ServerContext = .local
}
extension EnvironmentValues {
var serverContext: ServerContext {
get { self[ServerContextEnvironmentKey.self] }
set { self[ServerContextEnvironmentKey.self] = newValue }
}
}
@@ -0,0 +1,166 @@
import Foundation
import os
/// Persisted entry for a user-added server. `ServerContext` itself is a value
/// type we rebuild from these fields at runtime we persist the minimum that
/// uniquely identifies a connection, not the whole context struct, so future
/// fields we add to `ServerContext` don't force a migration.
struct ServerEntry: Identifiable, Codable, Hashable, Sendable {
var id: ServerID
var displayName: String
var kind: ServerKind
/// User preference: open this server in a window on launch. Phase 3
/// multi-window uses this; Phase 2 ignores it.
var openOnLaunch: Bool = false
var context: ServerContext {
ServerContext(id: id, displayName: displayName, kind: kind)
}
}
/// On-disk envelope for `servers.json`. Schema-versioned so future changes
/// can migrate without losing data.
private struct RegistryFile: Codable {
var schemaVersion: Int
var entries: [ServerEntry]
}
/// App-scoped store for user-added servers. `local` is synthesized (not
/// persisted) and always appears first in `allContexts`. Remote entries are
/// loaded from `~/Library/Application Support/scarf/servers.json`.
///
/// Observable so SwiftUI views binding to `entries` redraw when a server is
/// added, renamed, or removed.
@Observable
@MainActor
final class ServerRegistry {
private static let logger = Logger(subsystem: "com.scarf", category: "ServerRegistry")
private static let currentSchemaVersion = 1
/// Remote (user-added) entries. Observable: views redraw on mutation.
private(set) var entries: [ServerEntry] = []
private let storeURL: URL
init() {
let support = FileManager.default.urls(for: .applicationSupportDirectory, in: .userDomainMask).first
?? URL(fileURLWithPath: NSHomeDirectory() + "/Library/Application Support")
let dir = support.appendingPathComponent("scarf", isDirectory: true)
self.storeURL = dir.appendingPathComponent("servers.json")
load()
}
// MARK: - Lookup
/// The implicit local server plus every persisted remote entry, in list
/// order. Use this when populating UI like the toolbar switcher.
var allContexts: [ServerContext] {
[.local] + entries.map { $0.context }
}
/// Resolve an ID to a context, or `nil` if the entry no longer exists.
/// Used by the multi-window root to detect "this window points at a
/// server you've since removed" and show a dedicated empty state.
func context(for id: ServerID) -> ServerContext? {
if id == ServerContext.local.id { return .local }
if let entry = entries.first(where: { $0.id == id }) {
return entry.context
}
return nil
}
// MARK: - Mutations
/// Optional callback fired whenever `entries` changes. The app wires
/// this to `ServerLiveStatusRegistry.rebuild()` so the menu-bar fanout
/// stays in sync without polling the entries array.
var onEntriesChanged: (() -> Void)?
@discardableResult
func addServer(displayName: String, config: SSHConfig) -> ServerEntry {
let entry = ServerEntry(
id: ServerID(),
displayName: displayName,
kind: .ssh(config)
)
entries.append(entry)
save()
onEntriesChanged?()
return entry
}
func updateServer(_ id: ServerID, displayName: String?, config: SSHConfig?) {
guard let idx = entries.firstIndex(where: { $0.id == id }) else { return }
if let name = displayName { entries[idx].displayName = name }
if let cfg = config { entries[idx].kind = .ssh(cfg) }
save()
onEntriesChanged?()
}
func removeServer(_ id: ServerID) {
// Grab the entry BEFORE removing it so we can tear down its transport
// state. Without this the user would leak a ControlMaster socket
// (~10min TTL) and a snapshot cache dir (indefinite) per removed
// server harmless individually, ugly at scale.
let removed = entries.first { $0.id == id }
entries.removeAll { $0.id == id }
save()
if let removed, case .ssh(let config) = removed.kind {
let transport = SSHTransport(contextID: id, config: config, displayName: removed.displayName)
transport.closeControlMaster()
}
SSHTransport.pruneSnapshotCache(for: id)
// Drop process-wide cache entries keyed on this ServerID so a future
// re-add with a colliding ID (theoretical UUIDs are random, but be
// defensive) doesn't serve stale data.
Task.detached { await ServerContext.invalidateCaches(for: id) }
onEntriesChanged?()
}
// MARK: - App-launch sweep
/// Remove snapshot cache directories whose UUID isn't in the current
/// registry. Handles the case where the user removed a server while the
/// app was closed we want the cache to converge to the registry's
/// state at launch rather than carrying forever.
func sweepOrphanCaches() {
var keep: Set<ServerID> = [ServerContext.local.id]
for entry in entries { keep.insert(entry.id) }
SSHTransport.sweepOrphanSnapshots(keeping: keep)
}
// MARK: - Persistence
private func load() {
guard FileManager.default.fileExists(atPath: storeURL.path) else {
entries = []
return
}
do {
let data = try Data(contentsOf: storeURL)
let file = try JSONDecoder().decode(RegistryFile.self, from: data)
entries = file.entries
} catch {
Self.logger.error("Failed to load servers.json: \(error.localizedDescription)")
entries = []
}
}
private func save() {
do {
try FileManager.default.createDirectory(
at: storeURL.deletingLastPathComponent(),
withIntermediateDirectories: true
)
let file = RegistryFile(schemaVersion: Self.currentSchemaVersion, entries: entries)
let encoder = JSONEncoder()
encoder.outputFormatting = [.prettyPrinted, .sortedKeys]
let data = try encoder.encode(file)
try data.write(to: storeURL, options: .atomic)
} catch {
Self.logger.error("Failed to save servers.json: \(error.localizedDescription)")
}
}
}
+604
View File
@@ -0,0 +1,604 @@
import Foundation
import os
/// Manages a `hermes acp` subprocess and communicates via JSON-RPC over stdio.
/// Provides an async event stream for real-time session updates.
actor ACPClient {
private let logger = Logger(subsystem: "com.scarf", category: "ACPClient")
private var process: Process?
private var stdinPipe: Pipe?
private var stdoutPipe: Pipe?
private var stderrPipe: Pipe?
private var stdinFd: Int32 = -1
private var nextRequestId = 1
private var pendingRequests: [Int: CheckedContinuation<AnyCodable?, Error>] = [:]
private var readTask: Task<Void, Never>?
private var stderrTask: Task<Void, Never>?
private var keepaliveTask: Task<Void, Never>?
private var eventContinuation: AsyncStream<ACPEvent>.Continuation?
private var _eventStream: AsyncStream<ACPEvent>?
private(set) var isConnected = false
private(set) var currentSessionId: String?
private(set) var statusMessage = ""
let context: ServerContext
private let transport: any ServerTransport
init(context: ServerContext = .local) {
self.context = context
self.transport = context.makeTransport()
}
/// Ring buffer of recent stderr lines from `hermes acp` used to attach
/// a diagnostic tail to user-visible errors. Capped to avoid unbounded
/// growth when the subprocess logs heavily.
private var stderrBuffer: [String] = []
private static let stderrBufferMaxLines = 50
/// Returns the last ~`stderrBufferMaxLines` stderr lines captured from the
/// `hermes acp` subprocess, joined by newlines.
var recentStderr: String {
stderrBuffer.joined(separator: "\n")
}
fileprivate func appendStderr(_ text: String) {
for line in text.split(separator: "\n", omittingEmptySubsequences: true) {
stderrBuffer.append(String(line))
}
if stderrBuffer.count > Self.stderrBufferMaxLines {
stderrBuffer.removeFirst(stderrBuffer.count - Self.stderrBufferMaxLines)
}
}
/// Check if the underlying process is still alive and connected.
var isHealthy: Bool {
guard isConnected, let process else { return false }
return process.isRunning
}
// MARK: - Event Stream
/// Access the event stream. Must call `start()` first.
var events: AsyncStream<ACPEvent> {
guard let stream = _eventStream else {
// Return an empty stream if not started
return AsyncStream { $0.finish() }
}
return stream
}
// MARK: - Lifecycle
func start() async throws {
guard process == nil else { return }
// Ignore SIGPIPE so broken-pipe writes return EPIPE instead of crashing
signal(SIGPIPE, SIG_IGN)
// Create the event stream BEFORE anything else so no events are lost
let (stream, continuation) = AsyncStream.makeStream(of: ACPEvent.self)
self._eventStream = stream
self.eventContinuation = continuation
// For local: Process is `hermes acp` directly.
// For remote: the transport returns a Process configured as
// `/usr/bin/ssh -T <opts> host -- <hermes> acp`. ACP's JSON-RPC
// over stdio works identically because `-T` keeps the ssh channel
// byte-clean and stdin/stdout travel end-to-end unmodified.
let proc = transport.makeProcess(
executable: context.paths.hermesBinary,
args: ["acp"]
)
let stdin = Pipe()
let stdout = Pipe()
let stderr = Pipe()
proc.standardInput = stdin
proc.standardOutput = stdout
proc.standardError = stderr
// ACP uses JSON-RPC over pipes do NOT set TERM to avoid terminal escape pollution.
if context.isRemote {
// Remote: this is the LOCAL ssh process spawning `ssh host
// hermes acp`. We don't forward our local PATH/credentials to
// the remote (hermes runs under the remote user's login env),
// but the ssh binary itself needs SSH_AUTH_SOCK to reach the
// local ssh-agent for key-based auth.
var env = ProcessInfo.processInfo.environment
let shellEnv = HermesFileService.enrichedEnvironment()
for key in ["SSH_AUTH_SOCK", "SSH_AGENT_PID"] {
if env[key] == nil, let v = shellEnv[key], !v.isEmpty {
env[key] = v
}
}
env.removeValue(forKey: "TERM")
proc.environment = env
} else {
// Local: enriched env so any tools hermes spawns (MCP servers,
// shell commands) can find brew/nvm/asdf binaries on PATH.
var env = HermesFileService.enrichedEnvironment()
env.removeValue(forKey: "TERM")
proc.environment = env
}
proc.terminationHandler = { [weak self] proc in
Task { await self?.handleTermination(exitCode: proc.terminationStatus) }
}
statusMessage = "Starting hermes acp..."
do {
try proc.run()
} catch {
statusMessage = "Failed to start: \(error.localizedDescription)"
logger.error("Failed to start hermes acp: \(error.localizedDescription)")
continuation.finish()
throw error
}
self.process = proc
self.stdinPipe = stdin
self.stdoutPipe = stdout
self.stderrPipe = stderr
self.stdinFd = stdin.fileHandleForWriting.fileDescriptor
self.isConnected = true
// Start reading stdout BEFORE sending initialize (so we catch the response)
startReadLoop(stdout: stdout, stderr: stderr)
logger.info("hermes acp process started (pid: \(proc.processIdentifier))")
statusMessage = "Initializing..."
// Initialize the ACP connection
let initParams: [String: AnyCodable] = [
"protocolVersion": AnyCodable(1),
"clientCapabilities": AnyCodable([String: Any]()),
"clientInfo": AnyCodable([
"name": "Scarf",
"version": "1.0"
] as [String: Any])
]
_ = try await sendRequest(method: "initialize", params: initParams)
statusMessage = "Connected"
logger.info("ACP connection initialized")
startKeepalive()
}
func stop() async {
readTask?.cancel()
readTask = nil
stderrTask?.cancel()
stderrTask = nil
keepaliveTask?.cancel()
keepaliveTask = nil
eventContinuation?.finish()
eventContinuation = nil
_eventStream = nil
for (_, continuation) in pendingRequests {
continuation.resume(throwing: CancellationError())
}
pendingRequests.removeAll()
// Close stdin first so the subprocess sees EOF and can shut down gracefully
stdinPipe?.fileHandleForWriting.closeFile()
if let process, process.isRunning {
// SIGINT for graceful Python shutdown (raises KeyboardInterrupt cleanly)
process.interrupt()
// Watchdog: force-kill if still running after 2 seconds
let watchdogProcess = process
Task.detached {
try? await Task.sleep(nanoseconds: 2_000_000_000)
if watchdogProcess.isRunning {
watchdogProcess.terminate()
}
}
}
stdinPipe?.fileHandleForReading.closeFile()
stdoutPipe?.fileHandleForReading.closeFile()
stderrPipe?.fileHandleForReading.closeFile()
process = nil
stdinPipe = nil
stdoutPipe = nil
stderrPipe = nil
stdinFd = -1
isConnected = false
currentSessionId = nil
statusMessage = "Disconnected"
logger.info("ACP client stopped")
}
// MARK: - Keepalive
private func startKeepalive() {
keepaliveTask = Task { [weak self] in
while !Task.isCancelled {
try? await Task.sleep(nanoseconds: 30_000_000_000) // 30 seconds
guard !Task.isCancelled else { break }
await self?.sendKeepalive()
}
}
}
/// Valid JSON-RPC notification used as a keepalive probe.
/// Sending bare newlines causes `json.loads("")` errors in the ACP library.
private static let keepalivePayload: Data = {
let json = #"{"jsonrpc":"2.0","method":"$/ping"}"# + "\n"
return Data(json.utf8)
}()
private func sendKeepalive() {
let fd = stdinFd
guard fd >= 0 else { return }
Task.detached { [weak self] in
let ok = Self.safeWrite(fd: fd, data: Self.keepalivePayload)
if !ok {
await self?.handleWriteFailed()
}
}
}
// MARK: - Session Management
func newSession(cwd: String) async throws -> String {
statusMessage = "Creating session..."
let params: [String: AnyCodable] = [
"cwd": AnyCodable(cwd),
"mcpServers": AnyCodable([Any]())
]
let result = try await sendRequest(method: "session/new", params: params)
guard let dict = result?.dictValue,
let sessionId = dict["sessionId"] as? String else {
throw ACPClientError.invalidResponse("Missing sessionId in session/new response")
}
currentSessionId = sessionId
statusMessage = "Session ready"
logger.info("Created new ACP session: \(sessionId)")
return sessionId
}
func loadSession(cwd: String, sessionId: String) async throws -> String {
statusMessage = "Loading session \(sessionId.prefix(12))..."
let params: [String: AnyCodable] = [
"cwd": AnyCodable(cwd),
"sessionId": AnyCodable(sessionId),
"mcpServers": AnyCodable([Any]())
]
let result = try await sendRequest(method: "session/load", params: params)
// ACP returns {} on success (no sessionId echoed), or an error if not found.
// If we got here without throwing, the session was loaded. Use the ID we sent.
let loadedId = (result?.dictValue?["sessionId"] as? String) ?? sessionId
currentSessionId = loadedId
statusMessage = "Session loaded"
logger.info("Loaded ACP session: \(loadedId)")
return loadedId
}
func resumeSession(cwd: String, sessionId: String) async throws -> String {
statusMessage = "Resuming session..."
let params: [String: AnyCodable] = [
"cwd": AnyCodable(cwd),
"sessionId": AnyCodable(sessionId),
"mcpServers": AnyCodable([Any]())
]
let result = try await sendRequest(method: "session/resume", params: params)
guard let dict = result?.dictValue,
let resumedId = dict["sessionId"] as? String else {
throw ACPClientError.invalidResponse("Missing sessionId in session/resume response")
}
currentSessionId = resumedId
statusMessage = "Session resumed"
logger.info("Resumed ACP session: \(resumedId)")
return resumedId
}
// MARK: - Messaging
func sendPrompt(sessionId: String, text: String) async throws -> ACPPromptResult {
statusMessage = "Sending prompt..."
let messageId = UUID().uuidString
let params: [String: AnyCodable] = [
"sessionId": AnyCodable(sessionId),
"messageId": AnyCodable(messageId),
"prompt": AnyCodable([
["type": "text", "text": text] as [String: Any]
] as [Any])
]
let result = try await sendRequest(method: "session/prompt", params: params)
let dict = result?.dictValue ?? [:]
let usage = dict["usage"] as? [String: Any] ?? [:]
statusMessage = "Ready"
return ACPPromptResult(
stopReason: dict["stopReason"] as? String ?? "end_turn",
inputTokens: usage["inputTokens"] as? Int ?? 0,
outputTokens: usage["outputTokens"] as? Int ?? 0,
thoughtTokens: usage["thoughtTokens"] as? Int ?? 0,
cachedReadTokens: usage["cachedReadTokens"] as? Int ?? 0
)
}
func cancel(sessionId: String) async throws {
let params: [String: AnyCodable] = [
"sessionId": AnyCodable(sessionId)
]
_ = try await sendRequest(method: "session/cancel", params: params)
statusMessage = "Cancelled"
}
func respondToPermission(requestId: Int, optionId: String) {
let response: [String: Any] = [
"jsonrpc": "2.0",
"id": requestId,
"result": [
"outcome": [
"kind": optionId == "deny" ? "rejected" : "allowed",
"optionId": optionId
] as [String: Any]
] as [String: Any]
]
writeJSON(response)
}
// MARK: - JSON-RPC Transport
private func sendRequest(method: String, params: [String: AnyCodable]) async throws -> AnyCodable? {
let requestId = nextRequestId
nextRequestId += 1
let request = ACPRequest(id: requestId, method: method, params: params)
guard let data = try? JSONEncoder().encode(request) else {
throw ACPClientError.encodingFailed
}
logger.debug("Sending: \(method) (id: \(requestId))")
// session/prompt streams events and can run for minutes no hard timeout.
// Control messages get a 30s watchdog.
let timeoutTask: Task<Void, Error>? = if method != "session/prompt" {
Task { [weak self] in
try await Task.sleep(nanoseconds: 30 * 1_000_000_000)
await self?.timeoutRequest(id: requestId, method: method)
}
} else {
nil
}
defer { timeoutTask?.cancel() }
let fd = stdinFd
return try await withCheckedThrowingContinuation { (continuation: CheckedContinuation<AnyCodable?, Error>) in
pendingRequests[requestId] = continuation
guard fd >= 0 else {
pendingRequests.removeValue(forKey: requestId)
continuation.resume(throwing: ACPClientError.notConnected)
return
}
var payload = data
payload.append(contentsOf: "\n".utf8)
// Write in a detached task to avoid blocking the actor's executor.
// The continuation is already stored; the response arrives via the read loop.
Task.detached { [weak self] in
let ok = Self.safeWrite(fd: fd, data: payload)
if !ok {
await self?.handleWriteFailedForRequest(id: requestId)
}
}
}
}
private func timeoutRequest(id: Int, method: String) {
guard let continuation = pendingRequests.removeValue(forKey: id) else { return }
logger.error("Request timed out: \(method) (id: \(id))")
statusMessage = "Request timed out"
continuation.resume(throwing: ACPClientError.requestTimeout(method: method))
}
private func writeJSON(_ dict: [String: Any]) {
let fd = stdinFd
guard fd >= 0,
let data = try? JSONSerialization.data(withJSONObject: dict) else { return }
var payload = data
payload.append(contentsOf: "\n".utf8)
Task.detached { [weak self] in
let ok = Self.safeWrite(fd: fd, data: payload)
if !ok {
await self?.handleWriteFailed()
}
}
}
// MARK: - Read Loop
private func startReadLoop(stdout: Pipe, stderr: Pipe) {
// Read stdout for JSON-RPC messages
readTask = Task.detached { [weak self] in
let handle = stdout.fileHandleForReading
var buffer = Data()
while !Task.isCancelled {
let chunk = handle.availableData
if chunk.isEmpty { break } // EOF
buffer.append(chunk)
while let newlineIndex = buffer.firstIndex(of: UInt8(ascii: "\n")) {
let lineData = Data(buffer[buffer.startIndex..<newlineIndex])
buffer = Data(buffer[buffer.index(after: newlineIndex)...])
guard !lineData.isEmpty else { continue }
if let lineStr = String(data: lineData, encoding: .utf8) {
self?.logger.debug("ACP recv: \(lineStr.prefix(200))")
}
do {
let message = try JSONDecoder().decode(ACPRawMessage.self, from: lineData)
await self?.handleMessage(message)
} catch {
self?.logger.warning("Failed to decode ACP message: \(error.localizedDescription)")
}
}
}
await self?.handleReadLoopEnded()
}
// Read stderr in background for diagnostic logging AND ring-buffer
// capture so we can attach a tail to user-visible errors.
stderrTask = Task.detached { [weak self] in
let handle = stderr.fileHandleForReading
while !Task.isCancelled {
let data = handle.availableData
if data.isEmpty { break }
if let text = String(data: data, encoding: .utf8)?.trimmingCharacters(in: .whitespacesAndNewlines),
!text.isEmpty {
self?.logger.info("ACP stderr: \(text.prefix(500))")
await self?.appendStderr(text)
}
}
}
}
private func handleMessage(_ message: ACPRawMessage) {
if message.isResponse {
if let requestId = message.id,
let continuation = pendingRequests.removeValue(forKey: requestId) {
if let error = message.error {
logger.error("ACP RPC error (id: \(requestId)): \(error.message)")
statusMessage = "Error: \(error.message)"
continuation.resume(throwing: ACPClientError.rpcError(code: error.code, message: error.message))
} else {
logger.debug("ACP response (id: \(requestId))")
continuation.resume(returning: message.result)
}
} else {
logger.warning("ACP response for unknown request id: \(message.id ?? -1)")
}
} else if message.isNotification {
if let event = ACPEventParser.parse(notification: message) {
logger.debug("ACP event: \(String(describing: event).prefix(100))")
eventContinuation?.yield(event)
}
} else if message.isRequest {
if message.method == "session/request_permission",
let event = ACPEventParser.parsePermissionRequest(message) {
statusMessage = "Permission required"
eventContinuation?.yield(event)
}
}
}
// MARK: - Disconnect Cleanup
/// Single idempotent cleanup path for all disconnect scenarios.
private func performDisconnectCleanup(reason: String) {
guard isConnected else { return }
logger.warning("ACP disconnecting: \(reason)")
isConnected = false
statusMessage = "Connection lost"
for (_, continuation) in pendingRequests {
continuation.resume(throwing: ACPClientError.processTerminated)
}
pendingRequests.removeAll()
eventContinuation?.finish()
eventContinuation = nil
}
private func handleReadLoopEnded() {
performDisconnectCleanup(reason: "read loop ended (EOF)")
}
private func handleTermination(exitCode: Int32) {
performDisconnectCleanup(reason: "process exited (\(exitCode))")
}
private func handleWriteFailed() {
performDisconnectCleanup(reason: "write failed (broken pipe)")
}
private func handleWriteFailedForRequest(id: Int) {
if let continuation = pendingRequests.removeValue(forKey: id) {
continuation.resume(throwing: ACPClientError.processTerminated)
}
performDisconnectCleanup(reason: "write failed (broken pipe)")
}
// MARK: - Safe POSIX Write
/// Write data to a file descriptor using POSIX write(), returning false on error.
/// Handles partial writes and returns false on EPIPE or other errors.
private static func safeWrite(fd: Int32, data: Data) -> Bool {
data.withUnsafeBytes { buf in
guard let base = buf.baseAddress else { return false }
var written = 0
let total = buf.count
while written < total {
let result = Darwin.write(fd, base.advanced(by: written), total - written)
if result <= 0 { return false }
written += result
}
return true
}
}
}
// MARK: - Errors
enum ACPClientError: Error, LocalizedError {
case notConnected
case encodingFailed
case invalidResponse(String)
case rpcError(code: Int, message: String)
case processTerminated
case requestTimeout(method: String)
var errorDescription: String? {
switch self {
case .notConnected: return "ACP client is not connected"
case .encodingFailed: return "Failed to encode JSON-RPC request"
case .invalidResponse(let msg): return "Invalid ACP response: \(msg)"
case .rpcError(let code, let msg): return "ACP error \(code): \(msg)"
case .processTerminated: return "ACP process terminated unexpectedly"
case .requestTimeout(let method): return "ACP request '\(method)' timed out"
}
}
}
/// Maps a raw error message (RPC message or captured stderr) to a short
/// human-readable hint for the chat UI. Pattern-matches the most common
/// fresh-install failure modes. Returns nil when no known pattern matches.
enum ACPErrorHint {
static func classify(errorMessage: String, stderrTail: String) -> String? {
let haystack = errorMessage + "\n" + stderrTail
if haystack.range(of: #"No\s+(Anthropic|OpenAI|OpenRouter|Gemini|Google|Groq|Mistral|XAI)?\s*credentials\s+found"#,
options: .regularExpression) != nil
|| haystack.contains("ANTHROPIC_API_KEY")
|| haystack.contains("ANTHROPIC_TOKEN")
|| haystack.contains("claude setup-token")
|| haystack.contains("claude /login") {
return "Hermes can't find your AI provider credentials. Set `ANTHROPIC_API_KEY` (or similar) in `~/.hermes/.env` or your shell profile, then restart Scarf."
}
if let match = haystack.range(of: #"No such file or directory:\s*'([^']+)'"#,
options: .regularExpression) {
let matched = String(haystack[match])
if let nameStart = matched.range(of: "'"),
let nameEnd = matched.range(of: "'", range: nameStart.upperBound..<matched.endIndex) {
let name = String(matched[nameStart.upperBound..<nameEnd.lowerBound])
return "Hermes couldn't find `\(name)` on PATH. If you use nvm/asdf/mise, make sure it's exported in `~/.zprofile` (not only `~/.zshrc`), then restart Scarf."
}
return "Hermes couldn't find a required binary on PATH. Check that your shell's PATH is exported in `~/.zprofile`, then restart Scarf."
}
if haystack.localizedCaseInsensitiveContains("rate limit")
|| haystack.localizedCaseInsensitiveContains("429") {
return "Your AI provider returned a rate-limit error. Try again in a moment."
}
return nil
}
}
@@ -0,0 +1,613 @@
import Foundation
import SQLite3
/// Dedupes concurrent `snapshotSQLite` calls for the same server. When the
/// file watcher ticks, Dashboard + Sessions + Activity (+ Chat's loadHistory)
/// can all ask for a fresh snapshot within the same millisecond without
/// coordination they each spawn their own `ssh host sqlite3 .backup; scp`
/// round-trip, three parallel backups of the same DB. Callers in flight for
/// the same `ServerID` await the first caller's Task and share its result.
actor SnapshotCoordinator {
static let shared = SnapshotCoordinator()
private var inFlight: [ServerID: Task<URL, Error>] = [:]
func snapshot(
remotePath: String,
contextID: ServerID,
transport: any ServerTransport
) async throws -> URL {
if let existing = inFlight[contextID] {
return try await existing.value
}
let task = Task<URL, Error> {
try transport.snapshotSQLite(remotePath: remotePath)
}
inFlight[contextID] = task
defer { inFlight[contextID] = nil }
return try await task.value
}
}
actor HermesDataService {
private var db: OpaquePointer?
private var hasV07Schema = false
/// Local filesystem path we last opened. For remote contexts this is
/// the cached snapshot under `~/Library/Caches/scarf/snapshots/<id>/`.
private var openedAtPath: String?
let context: ServerContext
private let transport: any ServerTransport
init(context: ServerContext = .local) {
self.context = context
self.transport = context.makeTransport()
}
func open() async -> Bool {
if db != nil { return true }
let localPath: String
if context.isRemote {
// Pull a fresh snapshot from the remote host. Uses `sqlite3
// .backup` on the remote, which is WAL-safe; a plain cp would
// corrupt. Routed through SnapshotCoordinator so concurrent
// view models don't each spawn a parallel SSH backup for the
// same server.
let url = try? await SnapshotCoordinator.shared.snapshot(
remotePath: context.paths.stateDB,
contextID: context.id,
transport: transport
)
guard let url else { return false }
localPath = url.path
} else {
localPath = context.paths.stateDB
guard FileManager.default.fileExists(atPath: localPath) else { return false }
}
// Remote snapshots are point-in-time copies that no one writes to;
// opening them with `immutable=1` tells SQLite to skip WAL/SHM and
// locking entirely, which is both faster and avoids spurious
// "unable to open database file" errors if the snapshot ever gets
// pulled mid-checkpoint. Local points at the live Hermes DB where
// the process already has WAL enabled in the header, so a plain
// readonly open is the right thing.
let flags: Int32
let openPath: String
if context.isRemote {
openPath = "file:\(localPath)?immutable=1"
flags = SQLITE_OPEN_READONLY | SQLITE_OPEN_NOMUTEX | SQLITE_OPEN_URI
} else {
openPath = localPath
flags = SQLITE_OPEN_READONLY | SQLITE_OPEN_NOMUTEX
}
let result = sqlite3_open_v2(openPath, &db, flags, nil)
guard result == SQLITE_OK else {
db = nil
return false
}
openedAtPath = localPath
detectSchema()
return true
}
/// Force a fresh snapshot pull + reopen. Used on session-load and in
/// any path that needs the UI to reflect writes Hermes just made.
/// Without this, remote snapshots would be frozen at the first `open()`
/// for the app's lifetime new messages added to a resumed session
/// would never appear because the snapshot was pulled before they were
/// written. Local contexts pay essentially nothing: close+reopen on a
/// live DB is a no-op.
@discardableResult
func refresh() async -> Bool {
close()
return await open()
}
func close() {
if let db {
sqlite3_close(db)
}
db = nil
}
// MARK: - Schema Detection
private func detectSchema() {
guard let db else { return }
var stmt: OpaquePointer?
guard sqlite3_prepare_v2(db, "PRAGMA table_info(sessions)", -1, &stmt, nil) == SQLITE_OK else { return }
defer { sqlite3_finalize(stmt) }
while sqlite3_step(stmt) == SQLITE_ROW {
if let name = sqlite3_column_text(stmt, 1), String(cString: name) == "reasoning_tokens" {
hasV07Schema = true
return
}
}
}
// MARK: - Session Queries
private var sessionColumns: String {
var cols = """
id, source, user_id, model, title, parent_session_id,
started_at, ended_at, end_reason, message_count, tool_call_count,
input_tokens, output_tokens, cache_read_tokens, cache_write_tokens,
estimated_cost_usd
"""
if hasV07Schema {
cols += ", reasoning_tokens, actual_cost_usd, cost_status, billing_provider"
}
return cols
}
func fetchSessions(limit: Int = QueryDefaults.sessionLimit) -> [HermesSession] {
guard let db else { return [] }
let sql = "SELECT \(sessionColumns) FROM sessions WHERE parent_session_id IS NULL ORDER BY started_at DESC LIMIT ?"
var stmt: OpaquePointer?
guard sqlite3_prepare_v2(db, sql, -1, &stmt, nil) == SQLITE_OK else { return [] }
defer { sqlite3_finalize(stmt) }
sqlite3_bind_int(stmt, 1, Int32(limit))
var sessions: [HermesSession] = []
while sqlite3_step(stmt) == SQLITE_ROW {
sessions.append(sessionFromRow(stmt!))
}
return sessions
}
func fetchSessionsInPeriod(since: Date) -> [HermesSession] {
guard let db else { return [] }
let sql = "SELECT \(sessionColumns) FROM sessions WHERE parent_session_id IS NULL AND started_at >= ? ORDER BY started_at DESC"
var stmt: OpaquePointer?
guard sqlite3_prepare_v2(db, sql, -1, &stmt, nil) == SQLITE_OK else { return [] }
defer { sqlite3_finalize(stmt) }
sqlite3_bind_double(stmt, 1, since.timeIntervalSince1970)
var sessions: [HermesSession] = []
while sqlite3_step(stmt) == SQLITE_ROW {
sessions.append(sessionFromRow(stmt!))
}
return sessions
}
func fetchSubagentSessions(parentId: String) -> [HermesSession] {
guard let db else { return [] }
let sql = "SELECT \(sessionColumns) FROM sessions WHERE parent_session_id = ? ORDER BY started_at ASC"
var stmt: OpaquePointer?
guard sqlite3_prepare_v2(db, sql, -1, &stmt, nil) == SQLITE_OK else { return [] }
defer { sqlite3_finalize(stmt) }
sqlite3_bind_text(stmt, 1, parentId, -1, sqliteTransient)
var sessions: [HermesSession] = []
while sqlite3_step(stmt) == SQLITE_ROW {
sessions.append(sessionFromRow(stmt!))
}
return sessions
}
// MARK: - Message Queries
private var messageColumns: String {
var cols = """
id, session_id, role, content, tool_call_id, tool_calls,
tool_name, timestamp, token_count, finish_reason
"""
if hasV07Schema {
cols += ", reasoning"
}
return cols
}
func fetchMessages(sessionId: String) -> [HermesMessage] {
guard let db else { return [] }
let sql = "SELECT \(messageColumns) FROM messages WHERE session_id = ? ORDER BY timestamp ASC"
var stmt: OpaquePointer?
guard sqlite3_prepare_v2(db, sql, -1, &stmt, nil) == SQLITE_OK else { return [] }
defer { sqlite3_finalize(stmt) }
sqlite3_bind_text(stmt, 1, sessionId, -1, sqliteTransient)
var messages: [HermesMessage] = []
while sqlite3_step(stmt) == SQLITE_ROW {
messages.append(messageFromRow(stmt!))
}
return messages
}
func searchMessages(query: String, limit: Int = QueryDefaults.messageSearchLimit) -> [HermesMessage] {
guard let db else { return [] }
let sanitized = sanitizeFTSQuery(query)
guard !sanitized.isEmpty else { return [] }
let msgCols = hasV07Schema
? "m.id, m.session_id, m.role, m.content, m.tool_call_id, m.tool_calls, m.tool_name, m.timestamp, m.token_count, m.finish_reason, m.reasoning"
: "m.id, m.session_id, m.role, m.content, m.tool_call_id, m.tool_calls, m.tool_name, m.timestamp, m.token_count, m.finish_reason"
let sql = """
SELECT \(msgCols)
FROM messages_fts fts
JOIN messages m ON m.id = fts.rowid
WHERE messages_fts MATCH ?
ORDER BY rank
LIMIT ?
"""
var stmt: OpaquePointer?
guard sqlite3_prepare_v2(db, sql, -1, &stmt, nil) == SQLITE_OK else { return [] }
defer { sqlite3_finalize(stmt) }
sqlite3_bind_text(stmt, 1, sanitized, -1, sqliteTransient)
sqlite3_bind_int(stmt, 2, Int32(limit))
var messages: [HermesMessage] = []
while sqlite3_step(stmt) == SQLITE_ROW {
messages.append(messageFromRow(stmt!))
}
return messages
}
func fetchToolResult(callId: String) -> String? {
guard let db else { return nil }
let sql = "SELECT content FROM messages WHERE role = 'tool' AND tool_call_id = ? LIMIT 1"
var stmt: OpaquePointer?
guard sqlite3_prepare_v2(db, sql, -1, &stmt, nil) == SQLITE_OK else { return nil }
defer { sqlite3_finalize(stmt) }
sqlite3_bind_text(stmt, 1, callId, -1, sqliteTransient)
guard sqlite3_step(stmt) == SQLITE_ROW else { return nil }
return columnText(stmt!, 0)
}
func fetchRecentToolCalls(limit: Int = QueryDefaults.toolCallLimit) -> [HermesMessage] {
guard let db else { return [] }
let sql = """
SELECT \(messageColumns)
FROM messages
WHERE tool_calls IS NOT NULL AND tool_calls != '[]' AND tool_calls != ''
ORDER BY timestamp DESC
LIMIT ?
"""
var stmt: OpaquePointer?
guard sqlite3_prepare_v2(db, sql, -1, &stmt, nil) == SQLITE_OK else { return [] }
defer { sqlite3_finalize(stmt) }
sqlite3_bind_int(stmt, 1, Int32(limit))
var messages: [HermesMessage] = []
while sqlite3_step(stmt) == SQLITE_ROW {
messages.append(messageFromRow(stmt!))
}
return messages
}
func fetchSessionPreviews(limit: Int = QueryDefaults.sessionPreviewLimit) -> [String: String] {
guard let db else { return [:] }
let sql = """
SELECT m.session_id, substr(m.content, 1, \(QueryDefaults.previewContentLength))
FROM messages m
INNER JOIN (
SELECT session_id, MIN(id) as min_id
FROM messages
WHERE role = 'user' AND content <> ''
GROUP BY session_id
) first ON m.id = first.min_id
ORDER BY m.timestamp DESC
LIMIT ?
"""
var stmt: OpaquePointer?
guard sqlite3_prepare_v2(db, sql, -1, &stmt, nil) == SQLITE_OK else { return [:] }
defer { sqlite3_finalize(stmt) }
sqlite3_bind_int(stmt, 1, Int32(limit))
var previews: [String: String] = [:]
while sqlite3_step(stmt) == SQLITE_ROW {
let sessionId = columnText(stmt!, 0)
let preview = columnText(stmt!, 1)
previews[sessionId] = preview
}
return previews
}
// MARK: - Single-Row Queries
struct MessageFingerprint: Equatable, Sendable {
let count: Int
let maxId: Int
let maxTimestamp: Double
static let empty = MessageFingerprint(count: 0, maxId: 0, maxTimestamp: 0)
}
func fetchMessageFingerprint(sessionId: String) -> MessageFingerprint {
guard let db else { return .empty }
let sql = "SELECT COUNT(*), COALESCE(MAX(id), 0), COALESCE(MAX(timestamp), 0) FROM messages WHERE session_id = ?"
var stmt: OpaquePointer?
guard sqlite3_prepare_v2(db, sql, -1, &stmt, nil) == SQLITE_OK else { return .empty }
defer { sqlite3_finalize(stmt) }
sqlite3_bind_text(stmt, 1, sessionId, -1, sqliteTransient)
guard sqlite3_step(stmt) == SQLITE_ROW else { return .empty }
return MessageFingerprint(
count: Int(sqlite3_column_int(stmt, 0)),
maxId: Int(sqlite3_column_int(stmt, 1)),
maxTimestamp: sqlite3_column_double(stmt, 2)
)
}
func fetchMessageCount(sessionId: String) -> Int {
guard let db else { return 0 }
let sql = "SELECT COUNT(*) FROM messages WHERE session_id = ?"
var stmt: OpaquePointer?
guard sqlite3_prepare_v2(db, sql, -1, &stmt, nil) == SQLITE_OK else { return 0 }
defer { sqlite3_finalize(stmt) }
sqlite3_bind_text(stmt, 1, sessionId, -1, sqliteTransient)
guard sqlite3_step(stmt) == SQLITE_ROW else { return 0 }
return Int(sqlite3_column_int(stmt, 0))
}
func fetchSession(id: String) -> HermesSession? {
guard let db else { return nil }
let sql = "SELECT \(sessionColumns) FROM sessions WHERE id = ? LIMIT 1"
var stmt: OpaquePointer?
guard sqlite3_prepare_v2(db, sql, -1, &stmt, nil) == SQLITE_OK else { return nil }
defer { sqlite3_finalize(stmt) }
sqlite3_bind_text(stmt, 1, id, -1, sqliteTransient)
guard sqlite3_step(stmt) == SQLITE_ROW else { return nil }
return sessionFromRow(stmt!)
}
func fetchMostRecentlyActiveSessionId() -> String? {
guard let db else { return nil }
let sql = "SELECT session_id FROM messages ORDER BY timestamp DESC LIMIT 1"
var stmt: OpaquePointer?
guard sqlite3_prepare_v2(db, sql, -1, &stmt, nil) == SQLITE_OK else { return nil }
defer { sqlite3_finalize(stmt) }
guard sqlite3_step(stmt) == SQLITE_ROW else { return nil }
return columnText(stmt!, 0)
}
func fetchMostRecentlyStartedSessionId(after: Date? = nil) -> String? {
guard let db else { return nil }
let sql: String
if after != nil {
sql = "SELECT id FROM sessions WHERE parent_session_id IS NULL AND started_at > ? ORDER BY started_at DESC LIMIT 1"
} else {
sql = "SELECT id FROM sessions WHERE parent_session_id IS NULL ORDER BY started_at DESC LIMIT 1"
}
var stmt: OpaquePointer?
guard sqlite3_prepare_v2(db, sql, -1, &stmt, nil) == SQLITE_OK else { return nil }
defer { sqlite3_finalize(stmt) }
if let after {
sqlite3_bind_double(stmt, 1, after.timeIntervalSince1970)
}
guard sqlite3_step(stmt) == SQLITE_ROW else { return nil }
return columnText(stmt!, 0)
}
// MARK: - Stats
struct SessionStats: Sendable {
let totalSessions: Int
let totalMessages: Int
let totalToolCalls: Int
let totalInputTokens: Int
let totalOutputTokens: Int
let totalCostUSD: Double
let totalReasoningTokens: Int
let totalActualCostUSD: Double
static let empty = SessionStats(
totalSessions: 0, totalMessages: 0, totalToolCalls: 0,
totalInputTokens: 0, totalOutputTokens: 0, totalCostUSD: 0,
totalReasoningTokens: 0, totalActualCostUSD: 0
)
}
func fetchStats() -> SessionStats {
guard let db else { return .empty }
let sql: String
if hasV07Schema {
sql = """
SELECT COUNT(*), COALESCE(SUM(message_count),0), COALESCE(SUM(tool_call_count),0),
COALESCE(SUM(input_tokens),0), COALESCE(SUM(output_tokens),0),
COALESCE(SUM(estimated_cost_usd),0),
COALESCE(SUM(reasoning_tokens),0), COALESCE(SUM(actual_cost_usd),0)
FROM sessions
"""
} else {
sql = """
SELECT COUNT(*), COALESCE(SUM(message_count),0), COALESCE(SUM(tool_call_count),0),
COALESCE(SUM(input_tokens),0), COALESCE(SUM(output_tokens),0),
COALESCE(SUM(estimated_cost_usd),0)
FROM sessions
"""
}
var stmt: OpaquePointer?
guard sqlite3_prepare_v2(db, sql, -1, &stmt, nil) == SQLITE_OK else { return .empty }
defer { sqlite3_finalize(stmt) }
guard sqlite3_step(stmt) == SQLITE_ROW else { return .empty }
return SessionStats(
totalSessions: Int(sqlite3_column_int(stmt, 0)),
totalMessages: Int(sqlite3_column_int(stmt, 1)),
totalToolCalls: Int(sqlite3_column_int(stmt, 2)),
totalInputTokens: Int(sqlite3_column_int(stmt, 3)),
totalOutputTokens: Int(sqlite3_column_int(stmt, 4)),
totalCostUSD: sqlite3_column_double(stmt, 5),
totalReasoningTokens: hasV07Schema ? Int(sqlite3_column_int(stmt, 6)) : 0,
totalActualCostUSD: hasV07Schema ? sqlite3_column_double(stmt, 7) : 0
)
}
// MARK: - Insights Queries
func fetchUserMessageCount(since: Date) -> Int {
guard let db else { return 0 }
let sql = """
SELECT COUNT(*) FROM messages m
JOIN sessions s ON m.session_id = s.id
WHERE m.role = 'user' AND s.parent_session_id IS NULL AND s.started_at >= ?
"""
var stmt: OpaquePointer?
guard sqlite3_prepare_v2(db, sql, -1, &stmt, nil) == SQLITE_OK else { return 0 }
defer { sqlite3_finalize(stmt) }
sqlite3_bind_double(stmt, 1, since.timeIntervalSince1970)
guard sqlite3_step(stmt) == SQLITE_ROW else { return 0 }
return Int(sqlite3_column_int(stmt, 0))
}
func fetchToolUsage(since: Date) -> [(name: String, count: Int)] {
guard let db else { return [] }
let sql = """
SELECT m.tool_name, COUNT(*) as cnt
FROM messages m
JOIN sessions s ON m.session_id = s.id
WHERE m.tool_name IS NOT NULL AND m.tool_name <> '' AND s.parent_session_id IS NULL AND s.started_at >= ?
GROUP BY m.tool_name
ORDER BY cnt DESC
"""
var stmt: OpaquePointer?
guard sqlite3_prepare_v2(db, sql, -1, &stmt, nil) == SQLITE_OK else { return [] }
defer { sqlite3_finalize(stmt) }
sqlite3_bind_double(stmt, 1, since.timeIntervalSince1970)
var results: [(name: String, count: Int)] = []
while sqlite3_step(stmt) == SQLITE_ROW {
let name = columnText(stmt!, 0)
let count = Int(sqlite3_column_int(stmt!, 1))
results.append((name: name, count: count))
}
return results
}
func fetchSessionStartHours(since: Date) -> [Int: Int] {
guard let db else { return [:] }
let sql = """
SELECT started_at FROM sessions WHERE parent_session_id IS NULL AND started_at >= ?
"""
var stmt: OpaquePointer?
guard sqlite3_prepare_v2(db, sql, -1, &stmt, nil) == SQLITE_OK else { return [:] }
defer { sqlite3_finalize(stmt) }
sqlite3_bind_double(stmt, 1, since.timeIntervalSince1970)
var hours: [Int: Int] = [:]
let calendar = Calendar.current
while sqlite3_step(stmt) == SQLITE_ROW {
let ts = sqlite3_column_double(stmt!, 0)
let date = Date(timeIntervalSince1970: ts)
let hour = calendar.component(.hour, from: date)
hours[hour, default: 0] += 1
}
return hours
}
func fetchSessionDaysOfWeek(since: Date) -> [Int: Int] {
guard let db else { return [:] }
let sql = """
SELECT started_at FROM sessions WHERE parent_session_id IS NULL AND started_at >= ?
"""
var stmt: OpaquePointer?
guard sqlite3_prepare_v2(db, sql, -1, &stmt, nil) == SQLITE_OK else { return [:] }
defer { sqlite3_finalize(stmt) }
sqlite3_bind_double(stmt, 1, since.timeIntervalSince1970)
var days: [Int: Int] = [:]
let calendar = Calendar.current
while sqlite3_step(stmt) == SQLITE_ROW {
let ts = sqlite3_column_double(stmt!, 0)
let date = Date(timeIntervalSince1970: ts)
let weekday = (calendar.component(.weekday, from: date) + 5) % 7 // Mon=0
days[weekday, default: 0] += 1
}
return days
}
func stateDBModificationDate() -> Date? {
// For remote contexts we stat the remote paths. For local it's the
// same FileManager lookup as before, just via the transport.
let walDate = transport.stat(context.paths.stateDB + "-wal")?.mtime
let dbDate = transport.stat(context.paths.stateDB)?.mtime
if let w = walDate, let d = dbDate {
return max(w, d)
}
return walDate ?? dbDate
}
// MARK: - Row Parsing
private func sessionFromRow(_ stmt: OpaquePointer) -> HermesSession {
HermesSession(
id: columnText(stmt, 0),
source: columnText(stmt, 1),
userId: columnOptionalText(stmt, 2),
model: columnOptionalText(stmt, 3),
title: columnOptionalText(stmt, 4),
parentSessionId: columnOptionalText(stmt, 5),
startedAt: columnDate(stmt, 6),
endedAt: columnDate(stmt, 7),
endReason: columnOptionalText(stmt, 8),
messageCount: Int(sqlite3_column_int(stmt, 9)),
toolCallCount: Int(sqlite3_column_int(stmt, 10)),
inputTokens: Int(sqlite3_column_int(stmt, 11)),
outputTokens: Int(sqlite3_column_int(stmt, 12)),
cacheReadTokens: Int(sqlite3_column_int(stmt, 13)),
cacheWriteTokens: Int(sqlite3_column_int(stmt, 14)),
estimatedCostUSD: sqlite3_column_type(stmt, 15) != SQLITE_NULL ? sqlite3_column_double(stmt, 15) : nil,
reasoningTokens: hasV07Schema ? Int(sqlite3_column_int(stmt, 16)) : 0,
actualCostUSD: hasV07Schema && sqlite3_column_type(stmt, 17) != SQLITE_NULL ? sqlite3_column_double(stmt, 17) : nil,
costStatus: hasV07Schema ? columnOptionalText(stmt, 18) : nil,
billingProvider: hasV07Schema ? columnOptionalText(stmt, 19) : nil
)
}
private func messageFromRow(_ stmt: OpaquePointer) -> HermesMessage {
let toolCallsJSON = columnOptionalText(stmt, 5)
let toolCalls = parseToolCalls(toolCallsJSON)
return HermesMessage(
id: Int(sqlite3_column_int(stmt, 0)),
sessionId: columnText(stmt, 1),
role: columnText(stmt, 2),
content: columnText(stmt, 3),
toolCallId: columnOptionalText(stmt, 4),
toolCalls: toolCalls,
toolName: columnOptionalText(stmt, 6),
timestamp: columnDate(stmt, 7),
tokenCount: sqlite3_column_type(stmt, 8) != SQLITE_NULL ? Int(sqlite3_column_int(stmt, 8)) : nil,
finishReason: columnOptionalText(stmt, 9),
reasoning: hasV07Schema ? columnOptionalText(stmt, 10) : nil
)
}
private func parseToolCalls(_ json: String?) -> [HermesToolCall] {
guard let json, !json.isEmpty,
let data = json.data(using: .utf8) else { return [] }
do {
return try JSONDecoder().decode([HermesToolCall].self, from: data)
} catch {
print("[Scarf] Failed to decode tool calls: \(error.localizedDescription)")
return []
}
}
private func columnText(_ stmt: OpaquePointer, _ col: Int32) -> String {
if let cStr = sqlite3_column_text(stmt, col) {
return String(cString: cStr)
}
return ""
}
private func columnOptionalText(_ stmt: OpaquePointer, _ col: Int32) -> String? {
guard sqlite3_column_type(stmt, col) != SQLITE_NULL,
let cStr = sqlite3_column_text(stmt, col) else { return nil }
return String(cString: cStr)
}
private func columnDate(_ stmt: OpaquePointer, _ col: Int32) -> Date? {
guard sqlite3_column_type(stmt, col) != SQLITE_NULL else { return nil }
let value = sqlite3_column_double(stmt, col)
return Date(timeIntervalSince1970: value)
}
/// Wraps each whitespace-delimited token in double quotes to prevent FTS5 parse errors
/// on terms containing dots, hyphens, or FTS5 operators (e.g., "v0.7.0", "config.yaml").
private func sanitizeFTSQuery(_ raw: String) -> String {
raw.split(separator: " ")
.map { token in
let t = String(token)
let stripped = t.replacingOccurrences(of: "\"", with: "")
return stripped.isEmpty ? nil : "\"\(stripped)\""
}
.compactMap { $0 }
.joined(separator: " ")
}
}
@@ -0,0 +1,216 @@
import Foundation
import os
/// Read/write `~/.hermes/.env` while preserving comments, blank lines, and the
/// ordering of keys we don't touch.
///
/// Hermes treats `.env` as a traditional dotenv file: `KEY=value`, `#` comments,
/// and optional double-quoted values for strings with spaces or special chars.
/// We do NOT attempt to implement full shell-style escaping; the fields we write
/// from the GUI are bot tokens, user IDs, URLs, and on/off flags none of which
/// contain characters needing escaping beyond double-quoting.
///
/// Design choices:
/// - **Non-destructive "unset"**: clearing a field comments the line out rather
/// than deleting it, so users can restore a key by uncommenting without losing
/// their value.
/// - **Atomic write**: write to `.env.tmp`, then rename. Avoids a partially
/// written file if Scarf crashes mid-write.
/// - **Never logs values**: secrets flow through this service.
struct HermesEnvService: Sendable {
private let logger = Logger(subsystem: "com.scarf", category: "HermesEnvService")
/// Path to `~/.hermes/.env`. Kept configurable for tests.
let path: String
let transport: any ServerTransport
nonisolated init(context: ServerContext = .local) {
self.path = context.paths.envFile
self.transport = context.makeTransport()
}
/// Escape hatch for tests that want to point at a fixture path directly.
init(path: String) {
self.path = path
self.transport = LocalTransport()
}
/// Read the .env file into a `[key: value]` dict. Comments and commented-out
/// assignments are ignored. Missing file returns an empty dict.
func load() -> [String: String] {
guard let data = try? transport.readFile(path),
let content = String(data: data, encoding: .utf8) else {
return [:]
}
var result: [String: String] = [:]
for line in content.components(separatedBy: "\n") {
let trimmed = line.trimmingCharacters(in: .whitespaces)
// Skip blanks and comments. A line beginning with `#` is either a pure
// comment or a disabled assignment both should be treated as "unset".
if trimmed.isEmpty || trimmed.hasPrefix("#") { continue }
guard let eq = trimmed.firstIndex(of: "=") else { continue }
let key = String(trimmed[trimmed.startIndex..<eq]).trimmingCharacters(in: .whitespaces)
let raw = String(trimmed[trimmed.index(after: eq)...]).trimmingCharacters(in: .whitespaces)
result[key] = Self.stripEnvQuotes(raw)
}
return result
}
func get(_ key: String) -> String? {
load()[key]
}
/// Write/update a single key. Preserves the position of existing assignments
/// (even if they were commented out the new assignment replaces the comment
/// line in place). New keys are appended at the end.
@discardableResult
func set(_ key: String, value: String) -> Bool {
setMany([key: value])
}
/// Update multiple keys in one atomic rewrite. Use this when a form saves
/// several fields at once so the file doesn't get repeatedly rewritten.
///
/// Returns `true` on success, `false` if the atomic rewrite failed.
@discardableResult
func setMany(_ pairs: [String: String]) -> Bool {
var remaining = pairs
var lines: [String]
// Start from existing file contents, or a minimal header if creating new.
if let data = try? transport.readFile(path),
let content = String(data: data, encoding: .utf8) {
lines = content.components(separatedBy: "\n")
// Trim a single trailing empty line from splitting the final newline;
// we'll re-add it on write.
if lines.last == "" { lines.removeLast() }
} else {
lines = ["# Hermes Agent Environment Configuration"]
}
// First pass: update in-place (handles both live and commented-out lines).
for (idx, line) in lines.enumerated() {
guard let match = Self.extractKey(fromLine: line) else { continue }
if let newValue = remaining.removeValue(forKey: match.key) {
// A commented-out `# KEY=...` becomes a live `KEY=...` with the new value.
lines[idx] = Self.formatLine(key: match.key, value: newValue)
}
}
// Second pass: append any keys that didn't match an existing line.
if !remaining.isEmpty {
// Leave a blank line before appending new keys for visual separation.
if let last = lines.last, !last.isEmpty {
lines.append("")
}
for key in remaining.keys.sorted() {
lines.append(Self.formatLine(key: key, value: remaining[key]!))
}
}
return atomicWrite(lines.joined(separator: "\n") + "\n")
}
/// Comment out a key. The value is preserved so the user can restore by
/// uncommenting. If the key doesn't exist, this is a no-op.
@discardableResult
func unset(_ key: String) -> Bool {
guard let data = try? transport.readFile(path),
let content = String(data: data, encoding: .utf8) else {
return true
}
var lines = content.components(separatedBy: "\n")
if lines.last == "" { lines.removeLast() }
var changed = false
for (idx, line) in lines.enumerated() {
guard let match = Self.extractKey(fromLine: line), match.key == key else { continue }
// Skip lines that are already commented nothing to do.
if Self.isCommentedOutAssignment(line) { continue }
lines[idx] = "# " + line
changed = true
}
guard changed else { return true }
return atomicWrite(lines.joined(separator: "\n") + "\n")
}
// MARK: - Internals
/// Writes the entire file in one shot through the transport. For local
/// contexts this ends up doing the same atomic-rename dance as before
/// (via `LocalTransport.writeFile`). For remote contexts this goes
/// through `scp` + remote `mv`, still atomic from Hermes's point of
/// view.
private func atomicWrite(_ content: String) -> Bool {
guard let data = content.data(using: .utf8) else { return false }
do {
try transport.writeFile(path, data: data)
return true
} catch {
logger.error("Failed to write .env: \(error.localizedDescription)")
return false
}
}
/// Extract a key name and whether the line was active or commented-out.
/// Accepts both `KEY=value` and `# KEY=value` (any amount of whitespace after `#`).
private static func extractKey(fromLine line: String) -> (key: String, active: Bool)? {
var work = line.trimmingCharacters(in: .whitespaces)
var active = true
if work.hasPrefix("#") {
active = false
work = String(work.dropFirst()).trimmingCharacters(in: .whitespaces)
}
guard let eq = work.firstIndex(of: "=") else { return nil }
let key = String(work[work.startIndex..<eq]).trimmingCharacters(in: .whitespaces)
// Reject non-identifier looking keys to avoid matching prose in comments
// (e.g. "# This is a note about something = nice").
guard key.range(of: "^[A-Za-z_][A-Za-z0-9_]*$", options: .regularExpression) != nil else {
return nil
}
return (key, active)
}
private static func isCommentedOutAssignment(_ line: String) -> Bool {
guard let match = extractKey(fromLine: line) else { return false }
return !match.active
}
/// Format a single `KEY=value` line. Values containing whitespace or shell
/// metacharacters get double-quoted; simple tokens go in unquoted to match
/// hermes's own output style.
private static func formatLine(key: String, value: String) -> String {
if Self.needsQuoting(value) {
// Escape embedded backslashes and double quotes, then wrap.
let escaped = value
.replacingOccurrences(of: "\\", with: "\\\\")
.replacingOccurrences(of: "\"", with: "\\\"")
return "\(key)=\"\(escaped)\""
}
return "\(key)=\(value)"
}
private static func needsQuoting(_ value: String) -> Bool {
if value.isEmpty { return false }
// Whitespace, shell metacharacters, or quotes trigger quoting.
let metacharacters: Set<Character> = [" ", "\t", "#", "$", "`", "\"", "'", "\\", "(", ")", "{", "}", "[", "]", "|", "&", ";", "<", ">", "*", "?"]
return value.contains(where: { metacharacters.contains($0) })
}
/// Strip one layer of matched double or single quotes from a loaded value.
private static func stripEnvQuotes(_ s: String) -> String {
guard s.count >= 2 else { return s }
let first = s.first!
let last = s.last!
if (first == "\"" && last == "\"") || (first == "'" && last == "'") {
var inner = String(s.dropFirst().dropLast())
if first == "\"" {
inner = inner
.replacingOccurrences(of: "\\\"", with: "\"")
.replacingOccurrences(of: "\\\\", with: "\\")
}
return inner
}
return s
}
}
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,121 @@
import Foundation
@Observable
final class HermesFileWatcher {
private(set) var lastChangeDate = Date()
private var coreSources: [DispatchSourceFileSystemObject] = []
private var projectSources: [DispatchSourceFileSystemObject] = []
private var timer: Timer?
/// Remote polling task. Non-nil only when `context.isRemote`. Cancelled
/// on `stopWatching()`.
private var remotePollTask: Task<Void, Never>?
let context: ServerContext
private let transport: any ServerTransport
nonisolated init(context: ServerContext = .local) {
self.context = context
self.transport = context.makeTransport()
}
/// Canonical list of paths we observe. Used for both FSEvents (local)
/// and mtime polling (remote).
private var watchedCorePaths: [String] {
let paths = context.paths
return [
paths.stateDB,
paths.stateDB + "-wal",
paths.configYAML,
paths.home + "/.env",
paths.memoryMD,
paths.userMD,
paths.cronJobsJSON,
paths.gatewayStateJSON,
paths.agentLog,
paths.errorsLog,
paths.gatewayLog,
paths.projectsRegistry,
paths.mcpTokensDir
]
}
func startWatching() {
if context.isRemote {
// FSEvents doesn't reach across SSH. Drive lastChangeDate off
// the transport's AsyncStream, which polls stat mtime on a
// shared ControlMaster channel (~5ms per tick).
let stream = transport.watchPaths(watchedCorePaths)
remotePollTask = Task { [weak self] in
for await _ in stream {
await MainActor.run { [weak self] in
self?.lastChangeDate = Date()
}
}
}
return
}
for path in watchedCorePaths {
if let source = makeSource(for: path) {
coreSources.append(source)
}
}
// No heartbeat timer: every observing view runs its `.onChange`
// refresh whenever `lastChangeDate` ticks, so a 5s unconditional
// tick was triggering wasted reloads across many subscribers
// (Dashboard, Memory, Cron, Gateway, Platforms, Projects, Chat).
// FSEvents reliably fires on real changes; menu-bar Start/Stop
// touches `gateway_state.json` which the watcher catches.
}
func stopWatching() {
for source in coreSources + projectSources {
source.cancel()
}
coreSources.removeAll()
projectSources.removeAll()
timer?.invalidate()
timer = nil
remotePollTask?.cancel()
remotePollTask = nil
}
func updateProjectWatches(_ dashboardPaths: [String]) {
// Remote contexts don't support per-project FSEvents watches today
// the shared mtime poll covers the core set. Adding per-project
// polling is a Phase 4 polish item.
guard !context.isRemote else { return }
for source in projectSources {
source.cancel()
}
projectSources.removeAll()
for path in dashboardPaths {
if let source = makeSource(for: path) {
projectSources.append(source)
}
}
}
private func makeSource(for path: String) -> DispatchSourceFileSystemObject? {
let fd = Darwin.open(path, O_EVTONLY)
guard fd >= 0 else { return nil }
let source = DispatchSource.makeFileSystemObjectSource(
fileDescriptor: fd,
eventMask: [.write, .extend, .rename],
queue: .main
)
source.setEventHandler { [weak self] in
self?.lastChangeDate = Date()
}
source.setCancelHandler {
Darwin.close(fd)
}
source.resume()
return source
}
deinit {
stopWatching()
}
}

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