{
  "task_id": "DEV-000109",
  "task_revision": 1,
  "architecture_revision": "ADR-0018",
  "base_repo_revision": "e3b55c9",
  "risk_tier": "E",
  "intent": "Add typed read-only research and citation evidence contracts for plans, source snapshots, excerpts and freshness/conflict state without connecting external sources.",
  "requirement_ids": ["WP-102", "Source snapshot and citation resolver", "UNKNOWN/ASSUMPTION freshness conflict"],
  "allowed_change_scope": {"modules": ["epistemics-research-contracts"], "paths": ["contracts/epistemics/**", "tests/research_contracts/**", "dev/ACTIVE_TASK.json", "dev/tasks/DEV-000109-research-citation-contracts.json"]},
  "forbidden_change_scope": {"paths": ["architecture/**", "database/**", "migrations/**", "deploy/**", "security/**", "modules/**", "cmd/**", "runtime/**", "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": ["Proposed ADR-0019 Truth V1 evidence/provenance", "Existing Epistemics owner", "Existing Artifact typed reference boundary"], "may_change": ["Epistemics research/citation contract"]},
  "semantic_owner": "epistemics-research-contract",
  "canonical_state": [],
  "state_transitions": ["research plan -> source snapshot -> excerpt -> citation", "source conflict/freshness result -> explicit claim status"],
  "side_effects_and_privileges": ["Typed value validation only; no connector calls, external mutation, credentials or persistence"],
  "persistence_and_migrations": ["No schema or migration changes"],
  "failure_retry_restart": ["Unknown source/retrieval state is retained as UNKNOWN and cannot become a citation silently"],
  "assumptions": ["Connectors and durable storage arrive in later tasks", "Citation references an exact excerpt identity and snapshot", "Research output is read-only evidence"],
  "acceptance_scenarios": ["Plan identifies question, source classes and freshness policy", "Snapshot has content digest and retrieval timestamp", "Citation requires exact excerpt and source snapshot", "stale/conflicted/unknown states remain explicit", "assumption is distinguishable from observed evidence"],
  "required_tests": ["go test ./...", "go vet ./...", "go run ./cmd/devctl preflight -active dev/ACTIVE_TASK.json", "go run ./cmd/devctl check-diff -active dev/ACTIVE_TASK.json", "go run ./cmd/devctl check-architecture", "go run ./cmd/devctl/independent", "git diff --check", "research contract tests"],
  "terminal_gap_states": ["BLOCKED_BY_ARCHITECTURE_GAP", "BLOCKED_BY_SPEC_GAP", "BLOCKED_BY_CONFLICT"]
}