Deferred: offline caching + reaction queue is a progressive enhancement. Moving to M3 (mobile) where offline-first becomes critical.
.env.example per service
POST /recommend and policy registry
Closed: token vault exists in integration_tokens table. Encryption (libsodium) deferred to M2 security hardening.
revoke() is mandatory; surface provider-side revocation
Closed: revoke() implemented in services/api/src/routes/integrations.ts:106-139 — calls Todoist revocation endpoint + deletes local token.
revoke() is mandatory; surface provider-side revocation
Superseded by ε-greedy v1 (ADR-0007). LinUCB remains available as fallback but ε-greedy won offline sim (+10.7% reward). Closing in favor of new research issue for next-gen policies.
Closed: ML observability shipped as part of M1 admin console — experiment dashboard, reward analytics, feature browser, health rollup, tip explainability log.
Closing: premature with only one tip kind (todoist). Superseded by new tip-kind system issue in M2 that covers AI-generated tips + todoist + advice.