{ "task_id": "DEV-000169", "task_revision": 1, "architecture_revision": "ADR-0018", "base_repo_revision": "8f3920519b6a228d78b6ad775a7c19838dfbb70b", "risk_tier": "E", "intent": "Keep an absent optional MEDIUM provider out of runtime readiness while preserving its explicit NOT_CONFIGURED fleet member.", "requirement_ids": ["WP-200", "WP-301", "Model fleet/failover"], "allowed_change_scope": {"modules": ["cognitive-worker"], "paths": ["cmd/cognitive-worker/main.go", "dev/ACTIVE_TASK.json", "dev/tasks/DEV-000169-optional-medium-readiness.json"]}, "forbidden_change_scope": {"paths": ["architecture/**", "security/**", "database/**", "deploy/**", "contracts/**", "adapters/**", ".gitea/**"]}, "allowed_architecture_delta": {"new_cross_module_dependencies": 0, "new_canonical_owners": 0, "new_privileges": 0, "new_third_party_dependencies": 0, "new_database_owner_roles": 0}, "contracts": {"consume": ["existing readiness handler", "existing fleet readiness contract"], "may_change": []}, "semantic_owner": "cognitive-worker", "canonical_state": [], "state_transitions": ["MEDIUM absent -> fleet NOT_CONFIGURED without runtime readiness degradation", "MEDIUM configured -> readiness probe included"], "side_effects_and_privileges": ["none"], "persistence_and_migrations": ["none"], "failure_retry_restart": ["configured MEDIUM remains bounded by its 10-second client; absent MEDIUM is not probed"], "assumptions": ["Fleet status remains the explicit inventory surface for unconfigured optional tiers"], "acceptance_scenarios": ["production /readyz stays ready when MEDIUM URL is empty", "fleet readiness retains MEDIUM NOT_CONFIGURED", "configured MEDIUM is included in /readyz"], "required_tests": ["go test ./...", "go vet ./...", "preflight", "check-diff", "check-architecture", "independent", "git diff --check", "CI", "production /readyz and fleet readiness"], "terminal_gap_states": ["BLOCKED_BY_MISSING_CAPABILITY", "BLOCKED_BY_CONFLICT"] }