{
  "task_id": "DEV-000189",
  "task_revision": 1,
  "architecture_revision": "ADR-0018",
  "base_repo_revision": "41bc4b5",
  "risk_tier": "E",
  "intent": "Persist Work Graph result candidates, conflicts and independently verified synthesis through the work owner and expose the governed synthesis runtime path.",
  "requirement_ids": ["WP-403", "Durable graph result evidence", "Durable conflict resolution", "Synthesis runtime endpoint"],
  "allowed_change_scope": {"modules": ["work-agent-execution", "work-storage", "work-graph-runtime"], "paths": ["contracts/work/graph.go", "database/migrations/036_work_graph_result_synthesis.sql", "adapters/postgres/work_repository.go", "modules/work/ports/graph.go", "modules/work/application/graph_runtime.go", "cmd/work-graph-runtime/main.go", "tests/agent_execution/graph_persistence_sql_test.go", "tests/agent_execution/graph_runtime_test.go", "dev/ACTIVE_TASK.json", "dev/tasks/DEV-000189-durable-graph-synthesis-runtime.json"]},
  "forbidden_change_scope": {"paths": ["architecture/**", "security/**", "contracts/authority/**", "modules/epistemics/**", "deploy/**", ".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": 1},
  "contracts": {"consume": ["Existing Work Graph ResultCandidate/ConflictSet/GraphSynthesisCandidate contracts", "WP-403 independent verifier gate"], "may_change": ["GraphResult JSON serialization tags", "GraphStore persistence port"]},
  "semantic_owner": "work-agent-execution",
  "canonical_state": ["work.graph_result_candidates", "work.graph_conflicts", "work.graph_synthesis_candidates"],
  "state_transitions": ["result candidate append -> conflict append -> independently verified synthesis append", "failed verification does not persist a resolved synthesis"],
  "side_effects_and_privileges": ["Work schema writes only; no external mutation, provider call, secret expansion, or authority change"],
  "persistence_and_migrations": ["Append-only migration 036; one owner-local transaction persists candidates, conflict and synthesis"],
  "failure_retry_restart": ["Idempotent exact-record inserts; transaction rollback preserves no partial resolution; restart reloads durable evidence"],
  "assumptions": ["Production migration runner applies migration before runtime endpoint use", "Authenticated upstream boundary already protects runtime access"],
  "acceptance_scenarios": ["SQL is revision scoped and work-owned", "runtime rejects invalid/self-verifying synthesis", "successful synthesis persists all candidates, dissent and verifier identity atomically", "production canary returns durable success without external side effect"],
  "required_tests": ["go test ./...", "go vet ./...", "go run ./cmd/devctl preflight -task dev/tasks/DEV-000189-durable-graph-synthesis-runtime.json", "go run ./cmd/devctl check-diff -task dev/tasks/DEV-000189-durable-graph-synthesis-runtime.json", "go run ./cmd/devctl check-architecture", "go run ./cmd/devctl independent", "git diff --check", "CI", "production migration/readiness and authenticated synthesis canary"],
  "terminal_gap_states": ["BLOCKED_BY_MIGRATION_DECISION", "BLOCKED_BY_SPEC_GAP", "BLOCKED_BY_CONFLICT"]
}