feat: extend task verifier and unresolved case builder

dev/ACTIVE_TASK.json

@@ -1,5 +1,5 @@
 {
-  "task_file": "dev/tasks/DEV-000221-task-verifier-runtime.json",
-  "task_id": "DEV-000221",
+  "task_file": "dev/tasks/DEV-000222-verifier-modes-and-case-builder.json",
+  "task_id": "DEV-000222",
   "task_revision": 1
 }

dev/tasks/DEV-000222-verifier-modes-and-case-builder.json

@@ -0,0 +1,23 @@
+{
+  "task_id": "DEV-000222",
+  "task_revision": 1,
+  "architecture_revision": "ADR-0018",
+  "base_repo_revision": "d736500d9818a7748c3715c442edb695c5aed1100",
+  "risk_tier": "E",
+  "intent": "Extend the independent task verifier with a structured JSON field mode and add a bounded case builder driven by unresolved evidence.",
+  "requirement_ids": ["task-aware verification", "additional cases during lifetime", "general-first bounded expansion"],
+  "allowed_change_scope": {"modules": ["capability", "task-verifier"], "paths": ["contracts/capability/task_evaluation.go", "cmd/task-verifier/main.go", "cmd/task-verifier/main_test.go", "modules/capability/domain/task_evaluation.go", "modules/capability/domain/task_evaluation_test.go", "dev/ACTIVE_TASK.json", "dev/tasks/DEV-000222-verifier-modes-and-case-builder.json"]},
+  "forbidden_change_scope": {"paths": ["architecture/**", "security/**", "database/**", "deploy/**", "cmd/core-runtime/**", "cmd/creator-web/**", "cmd/agent-worker/**", "cmd/cognitive-worker/**", "modules/identity/**", "LLM-local/**"]},
+  "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": ["TaskCaseVerification", "TaskEvaluationCase", "unresolved outcome evidence"], "may_change": ["verification modes and bounded case construction" ]},
+  "semantic_owner": "capability owns evaluation policy; verifier remains stateless adapter",
+  "canonical_state": ["none; case builder returns candidates and does not persist or activate them"],
+  "state_transitions": ["unresolved evidence -> two bounded additional case candidates", "structured response -> verifier evidence -> supported/unsupported"],
+  "side_effects_and_privileges": ["no model calls, no external mutation, no secrets"],
+  "persistence_and_migrations": ["none"],
+  "failure_retry_restart": ["invalid unresolved evidence fails closed; verifier remains stateless and repeatable"],
+  "assumptions": ["generated cases still require an explicit verification spec before quality can be claimed"],
+  "acceptance_scenarios": ["JSON field match verifies with evidence", "JSON mismatch is unsupported", "unresolved evidence yields exactly two bounded probes", "generated cases do not bypass verifier or promotion gate"],
+  "required_tests": ["go test", "go vet", "preflight", "check-diff", "check-architecture", "independent", "git diff --check", "CI", "production public health check"],
+  "terminal_gap_states": ["BLOCKED_BY_MISSING_CAPABILITY", "BLOCKED_BY_SPEC_GAP"]
+}