Closes erp#38 deliverables: fleet/ layout, atom.yaml schema documented in fleet/README.md, 7 class skeletons per the PRD agent-catalog, invoice-extract as the worked example (contract only — implementation is erp#40), golden/ + profile/ stubs, AGENTS.md Fleet section with freshness fixes (fleet/ no longer "not yet landed"). Co-Authored-By: Claude Fable 5 <[email protected]>
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Deterministic controller — class skeleton
Per the PRD agent catalog: deliberately LLM-free — a cron-driven script with validators is the best "agent" for deterministic work.
Mission
Deterministic work deserves deterministic agents: scheduled scripts + validators + linters with no LLM at all. This skeleton documents the posture, not a prompt — there is none; the catalog's prompt/code column names a script.
Tool posture
- Cron-driven scripts (k3s CronJobs) over read-only skills, or gate-bound writers fed by matched data (never free text).
- No model call anywhere in the loop.
Typical I/O shape
Typed feeds (bank APIs, ERP reads, calendar files, backup metadata) → typed findings (matched / bank-only / dolibarr-only buckets, drift alerts, freshness reports, deadline reminders).
Escalation
Every anomaly becomes a digest/queue item for a human or the owning atom — controllers flag, they do not fix. Every standing loop heartbeats: silence is an alert (a missing report is a failure, not a quiet day).
Invariants
- Same input ⇒ same output; every check is replayable.
- Read-only by default; any side effect rides the same gates as everyone else.
- Zero unexplained deltas is a standing bar, not a one-off test.
Serves: T07, T08-matched, T11, T13, T14. Model: none. Orchestrator: k3s CronJobs.