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Alan Wizemann
bd21a539e6
Reflect the three post-initial-commit fixes: - log-noise suppression (skill.yaml / optional-file 'No such file' warnings no longer spam Console via the new Result-returning readers) - diagnostics script now stdin-pipes to sh -s instead of sh -c <script> argv, so it runs as one sh process with variable scope preserved - pill UX: replaced colored dot with state-specific SF Symbol (checkmark / stethoscope / arrows / triangle), removed custom background, kept .principal placement for centering Also expanded the 'Known follow-ups' section so users know what's explicitly deferred post-2.0.1. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
69 lines
6.9 KiB
Markdown
69 lines
6.9 KiB
Markdown
## What's New in 2.0.1
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Hotfix for [#19](https://github.com/awizemann/scarf/issues/19) and the related reports from the first day of v2.0: users' remote SSH connections would show a green "Connected" pill but every view (Dashboard, Sessions, Activity, Chat) read as empty / "not running" / "not configured". Three distinct environments reported it — Docker Hermes on a LAN, homelab VM over Tailscale, Ubuntu VPS — and every one was a silent file-access failure on the remote that Scarf wasn't surfacing.
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### Errors no longer disappear
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Every remote read (`config.yaml`, `gateway_state.json`, `state.db`, `pgrep`) used to silently substitute an empty value on *any* failure — permission denied, missing file, `sqlite3` not installed, connection drop — they all looked identical to the UI. Now:
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- Each failure logs a specific warning via `os.Logger` (visible in Console.app under subsystem `com.scarf`).
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- The Dashboard shows an orange banner above the stats with the exact error (e.g. "Permission denied reading `~/.hermes/state.db`") and a **Run Diagnostics…** button.
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- `HermesDataService` exposes a `lastOpenError` so views can explain *why* state.db couldn't be opened, rather than just rendering zeros.
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- Routine "file doesn't exist" cases (optional `skill.yaml` metadata, `gateway_state.json` before Hermes starts, `memories/USER.md` on fresh installs) are detected and **not** logged as warnings — only real errors (permission denied, connection drops, `sqlite3` missing) hit the log. Prevents Console from filling with false-positive noise when directory walks encounter optional files.
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### New Remote Diagnostics sheet
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Accessible from **Manage Servers → 🩺** per-server button, or by clicking the orange connection pill when Scarf can see the server but can't read Hermes state. Runs fourteen checks in a single SSH session and shows pass/fail for each, plus a targeted hint per failure:
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- SSH connectivity and auth
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- Remote user identity and `$HOME` resolution
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- `~/.hermes` directory existence and readability
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- `config.yaml` readable (existence *and* actual read access — the old probe only checked existence)
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- `state.db` readable
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- `sqlite3` installed on the remote (required for the atomic snapshot Scarf pulls)
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- `sqlite3` can actually open `state.db`
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- `hermes` binary on the non-login `$PATH` (what runtime uses)
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- `hermes` binary on the login `$PATH` (what the Test Connection probe uses)
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- `pgrep` available (for the "is Hermes running" check)
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One **Copy Full Report** button dumps every check as plain text for bug reports, and a raw-output disclosure panel shows the exact stdout/stderr the remote returned whenever any probe fails — so transport-level problems are self-diagnosing.
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The diagnostics script is piped to `/bin/sh -s` on stdin rather than passed as `sh -c <script>` argv. The latter was getting split line-by-line by the remote's login shell (newlines parsed as command separators), which stranded variables set on line 1 in an ephemeral `sh` subprocess that exited before line 2 could use them. Stdin-piping runs the whole script in one `sh` process with variable scope preserved.
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### Connection pill gains a "degraded" state
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The pill used to be green as long as SSH connected; now after connectivity passes it runs a second-tier check (`test -r $HOME/.hermes/config.yaml`). If that fails, the pill turns **orange** with "Connected — can't read Hermes state" and clicking it opens Remote Diagnostics directly. This is the exact symptom mode in #19, and it's now one click away from a specific answer.
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The pill's visual also got a pass: the colored dot is replaced with a state-specific SF Symbol (`checkmark.circle.fill` / `stethoscope` / `arrow.triangle.2.circlepath` / `exclamationmark.triangle.fill`), which reads more like a clickable toolbar tool and doubles as the status signal. No custom pill background anymore — the toolbar's native `.principal` bezel is the frame.
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### Auto-suggest the correct `remoteHome` during Add Server
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When Test Connection can't find `state.db` at the configured (or default) path, it now also probes the common alternate locations — `/var/lib/hermes/.hermes`, `/opt/hermes/.hermes`, `/home/hermes/.hermes`, `/root/.hermes` — and offers a one-click "Use this" fill if it finds one. Removes the need to know that systemd-installed Hermes lives at `/var/lib/hermes/.hermes` by convention.
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### Clearer copy for the `remoteHome` field
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The Add Server sheet field is now labeled "Hermes data directory" with a description explaining when you'd override it (systemd service installs, Docker sidecars) and noting that Test Connection auto-suggests.
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### README has a new "Remote setup requirements" section
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Four concrete prerequisites (SSH, `sqlite3`, `pgrep`, read access to `~/.hermes`) and a troubleshooting paragraph pointing at Remote Diagnostics.
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### Migrating from 2.0.0
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Sparkle will offer the update automatically. Settings and server list are preserved verbatim — this is purely additive (new diagnostics surface, new error banners, auto-suggest in Test Connection). If you were affected by #19, run Remote Diagnostics after updating; the sheet should pinpoint the specific file access issue and suggest a fix.
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### Under the hood
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- New types: `RemoteDiagnosticsViewModel`, `RemoteDiagnosticsView`. Both are local to Scarf; no new transport protocol.
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- `HermesFileService` gains `loadConfigResult()`, `loadGatewayStateResult()`, `hermesPIDResult()`, `readFileResult()`, `readFileDataResult()` — Result-returning variants that preserve the error. Legacy `loadConfig()` etc. still exist as thin forwarders for callers that don't need diagnostics.
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- `HermesDataService.open()` records `lastOpenError` with humanized hints for "sqlite3 not installed", "permission denied", and "file not found" — the three failure modes that produce 90% of issue #19 symptoms.
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- `ConnectionStatusViewModel` status enum gains `.degraded(reason:)` between `.connected` and `.error`.
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- `TestConnectionProbe` result enum gains `suggestedRemoteHome: String?` carrying any alternate-location hit.
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### Known follow-ups (not in 2.0.1)
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- `TestConnectionProbe` uses a direct-argv ssh invocation that's functionally correct but fragile (works by accident when split across the login shell). Should be ported to the stdin-pipe pattern the diagnostics sheet now uses.
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- Remaining `try?`-swallowed read paths beyond the four Dashboard-surfacing ones — Cron, Memory, Skills, MCP Servers, Platforms still silently render empty on read errors. Same fix pattern applies, low priority.
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- `hermesBinaryHint` is only populated when the user clicks Test Connection; if they skip it, ACP chat and CLI calls fall back to bare `hermes` which requires it on the non-interactive PATH (rarely true for `~/.local/bin` installs). The connection-pill's second-tier probe could auto-populate this.
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- Docker-host support: when users SSH to a Docker host, `pgrep` and `~/.hermes/` on the host don't see what's inside the container. Needs a `docker exec` wrapping option per server.
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