jason.woltjeandClaude Fable 5.1
88d21defde
First step-3 refinement from Jason's daily use. Liveness now lists the panes of the agent's tmux session and counts it alive only if a pane runs pi, so killed pi sessions whose tmux session still exists show offline instead of waiting. A "Seen" button on waiting and error rows stores the row's lastActivity in <dataRoot>/board/seen.json (clicks only, never rewritten by a scan, fail closed if corrupt) and drops the row from "Waiting on you" until the agent writes anything newer; "Unsee" reverses it. New POST /api/seen route: JSON only, 4 KB limit, 400 on bad input. Tests: control-board 63/63 (30 new), registry 69/69. Review APPROVED; receipt docs/plans/reviews/2026-09-12_control-board-step3-seen-marks.md. Co-Authored-By: Claude Fable 5.1 <[email protected]>
123 lines
5.2 KiB
Markdown
123 lines
5.2 KiB
Markdown
# control-board
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Step 1 of the control board MVP (`docs/plans/2026-09-12_control-board-mvp.md`).
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This package scans your running pi agent sessions and writes one small JSON
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status file per agent, plus one summary file, so a later web page can show
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them all in one place. It reads pi session logs and checks tmux liveness. It
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does not launch, stop, or talk to any agent. Board files are derived and
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rewritable; they are not run records and are not evidence.
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## States
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| State | Plain-words meaning |
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|---------|----------------------|
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| working | The agent is in the middle of a turn: thinking or running a tool. |
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| waiting | The agent finished its turn. It is your move now. |
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| error | The agent's last turn ended in an error, was aborted, or was cut off. Go look at it. |
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| offline | There is no live tmux session for this agent right now, or its session exists but no longer runs `pi`. |
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| idle | The agent is live but has not had a conversation yet. |
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| unknown | The scanner could not ask tmux (missing or not answering). It does not assume the agent is alive. |
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Liveness means a pane in the agent's tmux session is actually running `pi`
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(`tmux list-panes -s -t '=<session>' -F '#{pane_current_command}'`). A tmux session that still
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exists but only runs bash or some other program counts as offline, not
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waiting.
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## Commands
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```
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node src/cli.mjs scan [--config PATH] [--repo PATH] [--fleet PATH|none] [--liveness tmux|assume-alive] [--print]
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node src/cli.mjs serve [same flags] [--port N] [--host 127.0.0.1]
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```
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`scan` runs once and writes the status files. `serve` starts a small local
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web server: open `http://127.0.0.1:7331/` in a browser. The page fetches
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`/api/board` every 10 seconds; each fetch re-runs the scan, so the page is
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never staler than that timer. There is no login, so the server refuses to
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bind to anything but a loopback address.
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- `--config PATH` — path to the system config file. Defaults to
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`~/.config/mosaic-dev/config.json`. This file must exist and name an
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absolute `dataRoot`, or the scanner refuses to run.
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- `--repo PATH` — path to a project checkout to scan for repo agents
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(`.pi/state/<agent>/sessions`). Defaults to the current directory.
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- `--fleet PATH|none` — path to the fleet agents directory
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(`<fleet>/<agent>/.pi/agent/sessions`, tmux socket `mosaic-fleet`).
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Defaults to `~/.mosaic/fleet/agents`. Pass `none` to skip fleet agents.
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- `--liveness tmux|assume-alive` — how to decide if an agent is alive.
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`tmux` (default) checks the real tmux session. `assume-alive` treats
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every agent as alive, useful for tests or environments without tmux.
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- `--print` — (`scan`) also print a one-line-per-agent table to stdout. The
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first column is `*` for a row waiting on you, `s` for a seen row, or blank
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otherwise. The final summary line reads
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`board: <dir> (N sessions, N waiting on you, N seen)`.
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- `--port N` — (`serve`) port to listen on. Default `7331`; `0` picks a free port.
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- `--host ADDR` — (`serve`) loopback address to bind. Default `127.0.0.1`.
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Any non-loopback address is refused.
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Routes served:
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- `GET /` — the page.
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- `GET /api/board` — rescan, returns `index.json`.
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- `POST /api/seen` — mark or unmark a row as seen, then rescan and return
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`index.json`. Body must be JSON (`Content-Type: application/json`, no
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more than 4096 bytes): `{"project", "agent", "lastActivity", "seen"}`.
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`seen` defaults to `true`; pass `false` to unsee. Bad input, a missing
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header, or an oversized body gets a `400`.
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- `GET /healthz`.
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## Exit codes
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- `0` — scan completed and status files were written, or the server stopped cleanly.
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- `2` — refused: bad config, missing/invalid `dataRoot`, or bad arguments.
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The message on stderr says why.
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## Tests
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```
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node --test packages/control-board/tests/
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```
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## Output layout
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```
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<dataRoot>/board/
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index.json # summary: counts, waiting-on-you list, seen list, all records
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seen.json # Jason's "seen" marks (see below)
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sessions/
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<project>/
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<agent>.json # one status record per agent
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```
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`seen.json` holds `{ "<project>/<agent>": "<lastActivity>" }`. It is written
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only when Jason clicks "Seen" or "Unsee" on the page (via `POST
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/api/seen`); a scan reads it but never writes it. A mark applies only while
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the agent's newest message still has that exact `lastActivity` timestamp —
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as soon as the agent writes anything new, `lastActivity` changes, the mark
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no longer matches, and the row falls back into "Waiting on you" on its own.
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If `seen.json` exists but is not valid JSON (or not an object of string
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values), the scan refuses rather than silently dropping every mark.
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## Example status record
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```json
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{
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"agent": "darkwing",
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"project": "mosaic-stack",
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"state": "waiting",
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"waitingOnYou": true,
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"seen": false,
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"alive": true,
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"tmux": { "socket": null, "session": "darkwing" },
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"sessionFile": "/mnt/storage/src/mosaic-stack/.pi/state/darkwing/sessions/2026-09-12.jsonl",
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"sessionId": "01a06e48-0718-71f2-a889-c263c4800fb9",
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"cwd": "/mnt/storage/src/mosaic-stack",
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"lastActivity": "2026-09-12T15:04:33.000Z",
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"ageSeconds": 42,
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"lastAssistantText": "Ready for the next step whenever you are.",
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"lastError": null,
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"skippedLines": 0,
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"scannedAt": "2026-09-12T15:05:15.000Z"
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}
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```
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