{ "lesson_id": "PLN-023", "evaluation_time": "2026-09-16T08:00:00Z", "cases": [ { "case_id": "baseline_provider_request_id", "publish_transaction_id": "tx-001", "publish_intent_id": "intent-001", "target_account": "acct-A", "operation": "create-post", "payload_hash": "sha256:aaa", "idempotency_key": "req-111", "request_id": "req-111", "idempotency_support": "PROVIDER_REQUEST_ID", "attempt_no": 2, "retry_class": "SAFE_SAME_IDENTITY", "execution_budget": 3, "request_timestamp": "2026-09-16T07:55:00Z", "response_status": 201, "provider_resource_id": "res-10", "verification_method": "READ_BACK", "read_back_snapshot": { "resource_id": "res-10", "target_account": "acct-A", "payload_hash": "sha256:aaa" }, "duplicate_detection": "PROVIDER_REQUEST_ID", "evidence_retrieved_at": "2026-09-16T07:59:00Z", "provenance_ref": "src://AIP155+provider-doc", "key_payload_consistent": true, "first_attempt_timeout": true, "provider_exactly_once": true }, { "case_id": "timeout_no_identity", "publish_transaction_id": "tx-002", "publish_intent_id": "intent-002", "target_account": "acct-A", "operation": "create-post", "payload_hash": "sha256:bbb", "idempotency_key": null, "request_id": null, "idempotency_support": "NONE", "attempt_no": 1, "retry_class": "UNSAFE_UNKNOWN_EFFECT", "execution_budget": 3, "request_timestamp": "2026-09-16T07:56:00Z", "response_status": "TIMEOUT", "provider_resource_id": null, "verification_method": "NONE", "read_back_snapshot": null, "duplicate_detection": "NONE", "evidence_retrieved_at": "2026-09-16T07:59:00Z", "provenance_ref": "src://client-log", "key_payload_consistent": true, "first_attempt_timeout": true, "provider_exactly_once": false }, { "case_id": "key_reused_different_payload", "publish_transaction_id": "tx-003", "publish_intent_id": "intent-003", "target_account": "acct-A", "operation": "create-post", "payload_hash": "sha256:ccc-new", "idempotency_key": "req-222", "request_id": "req-222", "idempotency_support": "PROVIDER_REQUEST_ID", "attempt_no": 2, "retry_class": "SAFE_SAME_IDENTITY", "execution_budget": 3, "request_timestamp": "2026-09-16T07:57:00Z", "response_status": 409, "provider_resource_id": "res-old", "verification_method": "READ_BACK", "read_back_snapshot": { "resource_id": "res-old", "target_account": "acct-A", "payload_hash": "sha256:ccc-old" }, "duplicate_detection": "PROVIDER_REQUEST_ID", "evidence_retrieved_at": "2026-09-16T07:59:00Z", "provenance_ref": "src://provider-doc", "key_payload_consistent": false, "first_attempt_timeout": false, "provider_exactly_once": true }, { "case_id": "success_wrong_target", "publish_transaction_id": "tx-004", "publish_intent_id": "intent-004", "target_account": "acct-A", "operation": "create-post", "payload_hash": "sha256:ddd", "idempotency_key": "req-333", "request_id": "req-333", "idempotency_support": "PROVIDER_REQUEST_ID", "attempt_no": 1, "retry_class": "NO_RETRY_NEEDED", "execution_budget": 3, "request_timestamp": "2026-09-16T07:57:00Z", "response_status": 201, "provider_resource_id": "res-44", "verification_method": "READ_BACK", "read_back_snapshot": { "resource_id": "res-44", "target_account": "acct-B", "payload_hash": "sha256:ddd" }, "duplicate_detection": "PROVIDER_REQUEST_ID", "evidence_retrieved_at": "2026-09-16T07:59:00Z", "provenance_ref": "src://provider-read", "key_payload_consistent": true, "first_attempt_timeout": false, "provider_exactly_once": true }, { "case_id": "budget_exhausted_unverified", "publish_transaction_id": "tx-005", "publish_intent_id": "intent-005", "target_account": "acct-A", "operation": "create-post", "payload_hash": "sha256:eee", "idempotency_key": "req-444", "request_id": "req-444", "idempotency_support": "PROVIDER_REQUEST_ID", "attempt_no": 3, "retry_class": "SAFE_SAME_IDENTITY", "execution_budget": 3, "request_timestamp": "2026-09-16T07:57:00Z", "response_status": "TIMEOUT", "provider_resource_id": null, "verification_method": "READ_BACK", "read_back_snapshot": null, "duplicate_detection": "PROVIDER_REQUEST_ID", "evidence_retrieved_at": "2026-09-16T07:59:00Z", "provenance_ref": "src://provider-doc", "key_payload_consistent": true, "first_attempt_timeout": true, "provider_exactly_once": true }, { "case_id": "stale_idempotency_evidence", "publish_transaction_id": "tx-006", "publish_intent_id": "intent-006", "target_account": "acct-A", "operation": "create-post", "payload_hash": "sha256:fff", "idempotency_key": "req-555", "request_id": "req-555", "idempotency_support": "PROVIDER_REQUEST_ID", "attempt_no": 1, "retry_class": "SAFE_SAME_IDENTITY", "execution_budget": 3, "request_timestamp": "2026-09-16T07:58:00Z", "response_status": 201, "provider_resource_id": "res-66", "verification_method": "READ_BACK", "read_back_snapshot": { "resource_id": "res-66", "target_account": "acct-A", "payload_hash": "sha256:fff" }, "duplicate_detection": "PROVIDER_REQUEST_ID", "evidence_retrieved_at": "2026-05-01T00:00:00Z", "provenance_ref": "src://old-provider-doc", "key_payload_consistent": true, "first_attempt_timeout": false, "provider_exactly_once": true }, { "case_id": "missing_provenance", "publish_transaction_id": "tx-007", "publish_intent_id": "intent-007", "target_account": "acct-A", "operation": "create-post", "payload_hash": "sha256:ggg", "idempotency_key": "req-666", "request_id": "req-666", "idempotency_support": "PROVIDER_REQUEST_ID", "attempt_no": 1, "retry_class": "SAFE_SAME_IDENTITY", "execution_budget": 3, "request_timestamp": "2026-09-16T07:58:00Z", "response_status": 201, "provider_resource_id": "res-77", "verification_method": "READ_BACK", "read_back_snapshot": { "resource_id": "res-77", "target_account": "acct-A", "payload_hash": "sha256:ggg" }, "duplicate_detection": "PROVIDER_REQUEST_ID", "evidence_retrieved_at": "2026-09-16T07:59:00Z", "provenance_ref": null, "key_payload_consistent": true, "first_attempt_timeout": false, "provider_exactly_once": true }, { "case_id": "transfer_app_duplicate_read_before_retry", "publish_transaction_id": "tx-008", "publish_intent_id": "intent-008", "target_account": "acct-C", "operation": "create-post", "payload_hash": "sha256:hhh", "idempotency_key": "app:intent-008:acct-C:hhh", "request_id": null, "idempotency_support": "APPLICATION_DUPLICATE_KEY_ONLY", "attempt_no": 2, "retry_class": "READ_BEFORE_RETRY", "execution_budget": 2, "request_timestamp": "2026-09-16T07:58:00Z", "response_status": "TIMEOUT_THEN_READ_FOUND", "provider_resource_id": "res-88", "verification_method": "READ_BEFORE_RETRY", "read_back_snapshot": { "resource_id": "res-88", "target_account": "acct-C", "payload_hash": "sha256:hhh" }, "duplicate_detection": "APPLICATION_KEY_PLUS_READ", "evidence_retrieved_at": "2026-09-16T07:59:00Z", "provenance_ref": "src://provider-read-doc+app-policy", "key_payload_consistent": true, "first_attempt_timeout": true, "provider_exactly_once": false } ] }