2026-03-23 12:47:32 +00:00
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<!-- last-reviewed: eb7e24cb1df028c6061f47ddfdf9b4ebec33e1cf -->
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2026-03-21 12:44:23 +00:00
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# Supervisor Agent
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**Role**: Health monitoring and auto-remediation, executed as a formula-driven
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Claude agent. Collects system and project metrics via a bash pre-flight script,
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then runs an interactive Claude session (sonnet) that assesses health, auto-fixes
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issues, escalates via Matrix, and writes a daily journal.
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**Trigger**: `supervisor-run.sh` runs every 20 min via cron. It creates a tmux
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session with `claude --model sonnet`, injects `formulas/run-supervisor.toml`
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with pre-collected metrics as context, monitors the phase file, and cleans up
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on completion or timeout (20 min max session). No action issues — the supervisor
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runs directly from cron like the planner and predictor.
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**Key files**:
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- `supervisor/supervisor-run.sh` — Cron wrapper + orchestrator: lock, memory guard,
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runs preflight.sh, sources disinto project config, creates tmux session, injects
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formula prompt with metrics, monitors phase file, handles crash recovery via
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`run_formula_and_monitor`
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- `supervisor/preflight.sh` — Data collection: system resources (RAM, disk, swap,
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load), Docker status, active tmux sessions + phase files, lock files, agent log
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tails, CI pipeline status, open PRs, issue counts, stale worktrees, blocked
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issues, Matrix escalation replies
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- `formulas/run-supervisor.toml` — Execution spec: five steps (preflight review,
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health-assessment, decide-actions, report, journal) with `needs` dependencies.
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Claude evaluates all metrics and takes actions in a single interactive session
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- `supervisor/journal/*.md` — Daily health logs from each supervisor run (local,
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committed periodically)
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- `supervisor/PROMPT.md` — Best-practices reference for remediation actions
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- `supervisor/best-practices/*.md` — Domain-specific remediation guides (memory,
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disk, CI, git, dev-agent, review-agent, codeberg)
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- `supervisor/supervisor-poll.sh` — Legacy bash orchestrator (superseded by
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supervisor-run.sh + formula)
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**Alert priorities**: P0 (memory crisis), P1 (disk), P2 (factory stopped/stalled),
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P3 (degraded PRs, circular deps, stale deps), P4 (housekeeping).
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**Matrix integration**: The supervisor has its own Matrix thread. Posts health
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summaries when there are changes, escalates P0-P2 issues, and processes replies
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from humans ("ignore disk warning", "kill that agent", "what's stuck?"). The
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Matrix listener routes thread replies to `/tmp/supervisor-escalation-reply`,
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which `supervisor-run.sh` consumes atomically on each run.
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**Environment variables consumed**:
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- `CODEBERG_TOKEN`, `CODEBERG_REPO`, `CODEBERG_API`, `PROJECT_NAME`, `PROJECT_REPO_ROOT`
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- `PRIMARY_BRANCH`, `CLAUDE_MODEL` (set to sonnet by supervisor-run.sh)
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- `WOODPECKER_TOKEN`, `WOODPECKER_SERVER`, `WOODPECKER_DB_PASSWORD`, `WOODPECKER_DB_USER`, `WOODPECKER_DB_HOST`, `WOODPECKER_DB_NAME` — CI database queries
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- `MATRIX_TOKEN`, `MATRIX_ROOM_ID`, `MATRIX_HOMESERVER` — Matrix notifications + human input
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**Lifecycle**: supervisor-run.sh (cron */20) → lock + memory guard → run
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preflight.sh (collect metrics) → consume escalation replies → load formula +
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context → create tmux session → Claude assesses health, auto-fixes, posts
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Matrix summary, writes journal → `PHASE:done`.
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