diff --git a/runtime/history/HOMELAB-KB-V2-R3-ROLLBACK-ARTIFACTS-R7-DELETE-TRANSACTION-20260806T040400Z.json b/runtime/history/HOMELAB-KB-V2-R3-ROLLBACK-ARTIFACTS-R7-DELETE-TRANSACTION-20260806T040400Z.json
new file mode 100644
index 0000000..6b86981
--- /dev/null
+++ b/runtime/history/HOMELAB-KB-V2-R3-ROLLBACK-ARTIFACTS-R7-DELETE-TRANSACTION-20260806T040400Z.json
@@ -0,0 +1,38 @@
+{
+  "schema_version": 1,
+  "channel": "homelab-runtime",
+  "command_id": "HOMELAB-KB-V2-R3-ROLLBACK-ARTIFACTS-R7-DELETE-TRANSACTION-20260806T040400Z",
+  "status": "FAIL",
+  "rc": 76,
+  "host": "pve01",
+  "mode": "change",
+  "component": "homelab-kb-v2-r3-rollback-artifacts-r4-delete-transaction",
+  "started_at_utc": "2026-08-06T04:05:51Z",
+  "finished_at_utc": "2026-08-06T04:05:55Z",
+  "reference_register_checked": true,
+  "reference_sha256": "5763f2f8edc75fcf6f3951f8c95896d1cc112ceccb6cf5b64a383f540a4deb8e",
+  "error_register_checked": true,
+  "error_register_sha256": "24934a2c7fa5c26f6e828583c4aefac7f143b40c0171736ed7571e617d55ab83",
+  "command_sha256": "5045ee73ab4a1c1e8ed10ca3cdf2e81f3fd4174bbb80b769d9635c4e1f95b846",
+  "duplicate_failed_command_blocked": false,
+  "block_reason": null,
+  "execution_started": true,
+  "change_declared": true,
+  "result_contract_valid": false,
+  "result_contract_status": null,
+  "result_contract_error": "INVALID_CONTRACT:ValueError",
+  "command_rc": 1,
+  "changes_made": null,
+  "rollback_started": null,
+  "rollback_restored": null,
+  "mutation_outcome": "UNKNOWN",
+  "sanitized": true,
+  "secrets_included": false,
+  "private_addresses_included": false,
+  "raw_evidence_retained_locally": true,
+  "raw_evidence_sha256": "265989efd5e1c5912f3ee6de19f1deaa4eeef737fc0bde32c8f1d516e0326c19",
+  "sanitized_output_sha256": "265989efd5e1c5912f3ee6de19f1deaa4eeef737fc0bde32c8f1d516e0326c19",
+  "output_truncated_in_json": false,
+  "full_sanitized_output_url": "https://git.gram1.ru/.well-known/homelab-runtime/latest.txt",
+  "output": "HOMELAB_RESULT_CONTRACT={\"changes_made\":false,\"command_id\":\"HOMELAB-KB-V2-R3-ROLLBACK-ARTIFACTS-R7-DELETE-TRANSACTION-20260806T040400Z\",\"rollback_restored\":true,\"rollback_started\":true,\"status\":\"FAIL\",\"version\":1}\n{\"backup_changed\":false,\"branch\":\"homelab/cluster-kb-error-system-v2-rollback-1c336c7c9601\",\"branch_head\":\"b2853f444fe8725a590f96bf40c45bd694eddfb4\",\"candidate_plan_sha256\":\"4b3d1c35418aef508d86c04ed4cfda643a242eaeece71e5e19405562ac9ad4c2\",\"changes_made\":false,\"command_id\":\"HOMELAB-KB-V2-R3-ROLLBACK-ARTIFACTS-R7-DELETE-TRANSACTION-20260806T040400Z\",\"delete_api\":{\"body_sha256\":\"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855\",\"http\":204},\"failure\":{\"message\":\"EXPECTED_PR_HEAD_REF_MISMATCH\",\"message_sha256\":\"036f9d3be0088a9ff348c374e1aeba812e97f91462a5057722a6f2cf67fa7ff3\",\"type\":\"TransactionError\"},\"gitea_changed\":false,\"mutation_outcome\":\"ROLLED_BACK\",\"private_addresses_included\":false,\"production_changed\":false,\"repository\":\"homelab-admin/homelab-ops\",\"restored_remote_refs_count\":15,\"restored_remote_refs_sha256\":\"f63e34e66333726860a39080125685519126b71d257aee3e039ac9a42093c210\",\"rollback_failure\":null,\"rollback_restored\":true,\"rollback_started\":true,\"sanitized\":true,\"schema\":2,\"secrets_included\":false,\"services_changed\":false,\"status\":\"ROLLED_BACK\",\"target_commit\":\"b1ae1b8449e602024f897436e3fd9ea87f26ee38\"}\n"
+}
diff --git a/runtime/history/HOMELAB-KB-V2-R3-ROLLBACK-ARTIFACTS-R7-DELETE-TRANSACTION-20260806T040400Z.txt b/runtime/history/HOMELAB-KB-V2-R3-ROLLBACK-ARTIFACTS-R7-DELETE-TRANSACTION-20260806T040400Z.txt
new file mode 100644
index 0000000..635698f
--- /dev/null
+++ b/runtime/history/HOMELAB-KB-V2-R3-ROLLBACK-ARTIFACTS-R7-DELETE-TRANSACTION-20260806T040400Z.txt
@@ -0,0 +1,34 @@
+CHAT_OUTPUT_BEGIN
+COMMAND_ID=HOMELAB-KB-V2-R3-ROLLBACK-ARTIFACTS-R7-DELETE-TRANSACTION-20260806T040400Z
+STATUS=FAIL
+RC=76
+HOST=pve01
+MODE=change
+COMPONENT=homelab-kb-v2-r3-rollback-artifacts-r4-delete-transaction
+REFERENCE_REGISTER_CHECK=OK
+REFERENCE_SHA256=5763f2f8edc75fcf6f3951f8c95896d1cc112ceccb6cf5b64a383f540a4deb8e
+ERROR_REGISTER_CHECK=OK
+ERROR_REGISTER_SHA256=24934a2c7fa5c26f6e828583c4aefac7f143b40c0171736ed7571e617d55ab83
+COMMAND_SHA256=5045ee73ab4a1c1e8ed10ca3cdf2e81f3fd4174bbb80b769d9635c4e1f95b846
+DUPLICATE_FAILED_COMMAND_BLOCKED=false
+EXECUTION_STARTED=true
+CHANGE_DECLARED=true
+RESULT_CONTRACT_VALID=false
+RESULT_CONTRACT_STATUS=UNKNOWN
+RESULT_CONTRACT_ERROR=INVALID_CONTRACT:ValueError
+COMMAND_RC=1
+CHANGES_MADE=unknown
+ROLLBACK_STARTED=unknown
+ROLLBACK_RESTORED=null
+MUTATION_OUTCOME=UNKNOWN
+SANITIZED=yes
+SECRETS_INCLUDED=no
+PRIVATE_ADDRESSES_INCLUDED=no
+RAW_EVIDENCE_SHA256=265989efd5e1c5912f3ee6de19f1deaa4eeef737fc0bde32c8f1d516e0326c19
+SANITIZED_OUTPUT_SHA256=265989efd5e1c5912f3ee6de19f1deaa4eeef737fc0bde32c8f1d516e0326c19
+OUTPUT_BEGIN
+HOMELAB_RESULT_CONTRACT={"changes_made":false,"command_id":"HOMELAB-KB-V2-R3-ROLLBACK-ARTIFACTS-R7-DELETE-TRANSACTION-20260806T040400Z","rollback_restored":true,"rollback_started":true,"status":"FAIL","version":1}
+{"backup_changed":false,"branch":"homelab/cluster-kb-error-system-v2-rollback-1c336c7c9601","branch_head":"b2853f444fe8725a590f96bf40c45bd694eddfb4","candidate_plan_sha256":"4b3d1c35418aef508d86c04ed4cfda643a242eaeece71e5e19405562ac9ad4c2","changes_made":false,"command_id":"HOMELAB-KB-V2-R3-ROLLBACK-ARTIFACTS-R7-DELETE-TRANSACTION-20260806T040400Z","delete_api":{"body_sha256":"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855","http":204},"failure":{"message":"EXPECTED_PR_HEAD_REF_MISMATCH","message_sha256":"036f9d3be0088a9ff348c374e1aeba812e97f91462a5057722a6f2cf67fa7ff3","type":"TransactionError"},"gitea_changed":false,"mutation_outcome":"ROLLED_BACK","private_addresses_included":false,"production_changed":false,"repository":"homelab-admin/homelab-ops","restored_remote_refs_count":15,"restored_remote_refs_sha256":"f63e34e66333726860a39080125685519126b71d257aee3e039ac9a42093c210","rollback_failure":null,"rollback_restored":true,"rollback_started":true,"sanitized":true,"schema":2,"secrets_included":false,"services_changed":false,"status":"ROLLED_BACK","target_commit":"b1ae1b8449e602024f897436e3fd9ea87f26ee38"}
+
+OUTPUT_END
+CHAT_OUTPUT_END
diff --git a/runtime/latest.json b/runtime/latest.json
index a3768a4..6b86981 100644
--- a/runtime/latest.json
+++ b/runtime/latest.json
@@ -1,38 +1,38 @@
 {
   "schema_version": 1,
   "channel": "homelab-runtime",
-  "command_id": "HOMELAB-KB-V2-R3-ROLLBACK-ARTIFACTS-R4-DELETE-TRANSACTION-20260806T033632Z",
+  "command_id": "HOMELAB-KB-V2-R3-ROLLBACK-ARTIFACTS-R7-DELETE-TRANSACTION-20260806T040400Z",
   "status": "FAIL",
-  "rc": 1,
+  "rc": 76,
   "host": "pve01",
   "mode": "change",
   "component": "homelab-kb-v2-r3-rollback-artifacts-r4-delete-transaction",
-  "started_at_utc": "2026-08-06T04:00:23Z",
-  "finished_at_utc": "2026-08-06T04:00:24Z",
+  "started_at_utc": "2026-08-06T04:05:51Z",
+  "finished_at_utc": "2026-08-06T04:05:55Z",
   "reference_register_checked": true,
   "reference_sha256": "5763f2f8edc75fcf6f3951f8c95896d1cc112ceccb6cf5b64a383f540a4deb8e",
   "error_register_checked": true,
   "error_register_sha256": "24934a2c7fa5c26f6e828583c4aefac7f143b40c0171736ed7571e617d55ab83",
-  "command_sha256": "cfdb63378064361ea75a8294a9631cf51fb44b365995cbd9914d95234f0aebe9",
+  "command_sha256": "5045ee73ab4a1c1e8ed10ca3cdf2e81f3fd4174bbb80b769d9635c4e1f95b846",
   "duplicate_failed_command_blocked": false,
   "block_reason": null,
   "execution_started": true,
   "change_declared": true,
-  "result_contract_valid": true,
-  "result_contract_status": "FAIL",
-  "result_contract_error": null,
+  "result_contract_valid": false,
+  "result_contract_status": null,
+  "result_contract_error": "INVALID_CONTRACT:ValueError",
   "command_rc": 1,
-  "changes_made": false,
-  "rollback_started": false,
+  "changes_made": null,
+  "rollback_started": null,
   "rollback_restored": null,
-  "mutation_outcome": "NO_MUTATION",
+  "mutation_outcome": "UNKNOWN",
   "sanitized": true,
   "secrets_included": false,
   "private_addresses_included": false,
   "raw_evidence_retained_locally": true,
-  "raw_evidence_sha256": "bc622ae1d376f0560dee1601f1b3e955a6778526adc9493f3c0f7fb10de54815",
-  "sanitized_output_sha256": "bc622ae1d376f0560dee1601f1b3e955a6778526adc9493f3c0f7fb10de54815",
+  "raw_evidence_sha256": "265989efd5e1c5912f3ee6de19f1deaa4eeef737fc0bde32c8f1d516e0326c19",
+  "sanitized_output_sha256": "265989efd5e1c5912f3ee6de19f1deaa4eeef737fc0bde32c8f1d516e0326c19",
   "output_truncated_in_json": false,
   "full_sanitized_output_url": "https://git.gram1.ru/.well-known/homelab-runtime/latest.txt",
-  "output": "HOMELAB_RESULT_CONTRACT={\"changes_made\":false,\"command_id\":\"HOMELAB-KB-V2-R3-ROLLBACK-ARTIFACTS-R4-DELETE-TRANSACTION-20260806T033632Z\",\"rollback_restored\":null,\"rollback_started\":false,\"status\":\"FAIL\",\"version\":1}\n{\"backup_changed\":false,\"branch\":\"homelab/cluster-kb-error-system-v2-rollback-1c336c7c9601\",\"branch_head\":\"b2853f444fe8725a590f96bf40c45bd694eddfb4\",\"candidate_plan_sha256\":\"e2b7eb7ddabfa8cdbd03da0ac03f27a9def9d0620f0b1bf6b99d11b1573ab823\",\"changes_made\":false,\"command_id\":\"HOMELAB-KB-V2-R3-ROLLBACK-ARTIFACTS-R4-DELETE-TRANSACTION-20260806T033632Z\",\"delete_api\":null,\"failure\":{\"message\":\"ADAPTER_ROOT_OWNER_INVALID\",\"message_sha256\":\"d63d25f454dc5f758ce08b87fefbcc5c5d797f65b485936cfa12e484ff8afd9a\",\"type\":\"TransactionError\"},\"gitea_changed\":false,\"mutation_outcome\":\"NO_MUTATION\",\"private_addresses_included\":false,\"production_changed\":false,\"repository\":\"homelab-admin/homelab-ops\",\"restored_remote_refs_count\":null,\"restored_remote_refs_sha256\":null,\"rollback_failure\":null,\"rollback_restored\":null,\"rollback_started\":false,\"sanitized\":true,\"schema\":2,\"secrets_included\":false,\"services_changed\":false,\"status\":\"BLOCKED\",\"target_commit\":\"b1ae1b8449e602024f897436e3fd9ea87f26ee38\"}\n"
+  "output": "HOMELAB_RESULT_CONTRACT={\"changes_made\":false,\"command_id\":\"HOMELAB-KB-V2-R3-ROLLBACK-ARTIFACTS-R7-DELETE-TRANSACTION-20260806T040400Z\",\"rollback_restored\":true,\"rollback_started\":true,\"status\":\"FAIL\",\"version\":1}\n{\"backup_changed\":false,\"branch\":\"homelab/cluster-kb-error-system-v2-rollback-1c336c7c9601\",\"branch_head\":\"b2853f444fe8725a590f96bf40c45bd694eddfb4\",\"candidate_plan_sha256\":\"4b3d1c35418aef508d86c04ed4cfda643a242eaeece71e5e19405562ac9ad4c2\",\"changes_made\":false,\"command_id\":\"HOMELAB-KB-V2-R3-ROLLBACK-ARTIFACTS-R7-DELETE-TRANSACTION-20260806T040400Z\",\"delete_api\":{\"body_sha256\":\"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855\",\"http\":204},\"failure\":{\"message\":\"EXPECTED_PR_HEAD_REF_MISMATCH\",\"message_sha256\":\"036f9d3be0088a9ff348c374e1aeba812e97f91462a5057722a6f2cf67fa7ff3\",\"type\":\"TransactionError\"},\"gitea_changed\":false,\"mutation_outcome\":\"ROLLED_BACK\",\"private_addresses_included\":false,\"production_changed\":false,\"repository\":\"homelab-admin/homelab-ops\",\"restored_remote_refs_count\":15,\"restored_remote_refs_sha256\":\"f63e34e66333726860a39080125685519126b71d257aee3e039ac9a42093c210\",\"rollback_failure\":null,\"rollback_restored\":true,\"rollback_started\":true,\"sanitized\":true,\"schema\":2,\"secrets_included\":false,\"services_changed\":false,\"status\":\"ROLLED_BACK\",\"target_commit\":\"b1ae1b8449e602024f897436e3fd9ea87f26ee38\"}\n"
 }
diff --git a/runtime/latest.txt b/runtime/latest.txt
index 6ac4d3d..635698f 100644
--- a/runtime/latest.txt
+++ b/runtime/latest.txt
@@ -1,7 +1,7 @@
 CHAT_OUTPUT_BEGIN
-COMMAND_ID=HOMELAB-KB-V2-R3-ROLLBACK-ARTIFACTS-R4-DELETE-TRANSACTION-20260806T033632Z
+COMMAND_ID=HOMELAB-KB-V2-R3-ROLLBACK-ARTIFACTS-R7-DELETE-TRANSACTION-20260806T040400Z
 STATUS=FAIL
-RC=1
+RC=76
 HOST=pve01
 MODE=change
 COMPONENT=homelab-kb-v2-r3-rollback-artifacts-r4-delete-transaction
@@ -9,26 +9,26 @@ REFERENCE_REGISTER_CHECK=OK
 REFERENCE_SHA256=5763f2f8edc75fcf6f3951f8c95896d1cc112ceccb6cf5b64a383f540a4deb8e
 ERROR_REGISTER_CHECK=OK
 ERROR_REGISTER_SHA256=24934a2c7fa5c26f6e828583c4aefac7f143b40c0171736ed7571e617d55ab83
-COMMAND_SHA256=cfdb63378064361ea75a8294a9631cf51fb44b365995cbd9914d95234f0aebe9
+COMMAND_SHA256=5045ee73ab4a1c1e8ed10ca3cdf2e81f3fd4174bbb80b769d9635c4e1f95b846
 DUPLICATE_FAILED_COMMAND_BLOCKED=false
 EXECUTION_STARTED=true
 CHANGE_DECLARED=true
-RESULT_CONTRACT_VALID=true
-RESULT_CONTRACT_STATUS=FAIL
-RESULT_CONTRACT_ERROR=NONE
+RESULT_CONTRACT_VALID=false
+RESULT_CONTRACT_STATUS=UNKNOWN
+RESULT_CONTRACT_ERROR=INVALID_CONTRACT:ValueError
 COMMAND_RC=1
-CHANGES_MADE=false
-ROLLBACK_STARTED=false
+CHANGES_MADE=unknown
+ROLLBACK_STARTED=unknown
 ROLLBACK_RESTORED=null
-MUTATION_OUTCOME=NO_MUTATION
+MUTATION_OUTCOME=UNKNOWN
 SANITIZED=yes
 SECRETS_INCLUDED=no
 PRIVATE_ADDRESSES_INCLUDED=no
-RAW_EVIDENCE_SHA256=bc622ae1d376f0560dee1601f1b3e955a6778526adc9493f3c0f7fb10de54815
-SANITIZED_OUTPUT_SHA256=bc622ae1d376f0560dee1601f1b3e955a6778526adc9493f3c0f7fb10de54815
+RAW_EVIDENCE_SHA256=265989efd5e1c5912f3ee6de19f1deaa4eeef737fc0bde32c8f1d516e0326c19
+SANITIZED_OUTPUT_SHA256=265989efd5e1c5912f3ee6de19f1deaa4eeef737fc0bde32c8f1d516e0326c19
 OUTPUT_BEGIN
-HOMELAB_RESULT_CONTRACT={"changes_made":false,"command_id":"HOMELAB-KB-V2-R3-ROLLBACK-ARTIFACTS-R4-DELETE-TRANSACTION-20260806T033632Z","rollback_restored":null,"rollback_started":false,"status":"FAIL","version":1}
-{"backup_changed":false,"branch":"homelab/cluster-kb-error-system-v2-rollback-1c336c7c9601","branch_head":"b2853f444fe8725a590f96bf40c45bd694eddfb4","candidate_plan_sha256":"e2b7eb7ddabfa8cdbd03da0ac03f27a9def9d0620f0b1bf6b99d11b1573ab823","changes_made":false,"command_id":"HOMELAB-KB-V2-R3-ROLLBACK-ARTIFACTS-R4-DELETE-TRANSACTION-20260806T033632Z","delete_api":null,"failure":{"message":"ADAPTER_ROOT_OWNER_INVALID","message_sha256":"d63d25f454dc5f758ce08b87fefbcc5c5d797f65b485936cfa12e484ff8afd9a","type":"TransactionError"},"gitea_changed":false,"mutation_outcome":"NO_MUTATION","private_addresses_included":false,"production_changed":false,"repository":"homelab-admin/homelab-ops","restored_remote_refs_count":null,"restored_remote_refs_sha256":null,"rollback_failure":null,"rollback_restored":null,"rollback_started":false,"sanitized":true,"schema":2,"secrets_included":false,"services_changed":false,"status":"BLOCKED","target_commit":"b1ae1b8449e602024f897436e3fd9ea87f26ee38"}
+HOMELAB_RESULT_CONTRACT={"changes_made":false,"command_id":"HOMELAB-KB-V2-R3-ROLLBACK-ARTIFACTS-R7-DELETE-TRANSACTION-20260806T040400Z","rollback_restored":true,"rollback_started":true,"status":"FAIL","version":1}
+{"backup_changed":false,"branch":"homelab/cluster-kb-error-system-v2-rollback-1c336c7c9601","branch_head":"b2853f444fe8725a590f96bf40c45bd694eddfb4","candidate_plan_sha256":"4b3d1c35418aef508d86c04ed4cfda643a242eaeece71e5e19405562ac9ad4c2","changes_made":false,"command_id":"HOMELAB-KB-V2-R3-ROLLBACK-ARTIFACTS-R7-DELETE-TRANSACTION-20260806T040400Z","delete_api":{"body_sha256":"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855","http":204},"failure":{"message":"EXPECTED_PR_HEAD_REF_MISMATCH","message_sha256":"036f9d3be0088a9ff348c374e1aeba812e97f91462a5057722a6f2cf67fa7ff3","type":"TransactionError"},"gitea_changed":false,"mutation_outcome":"ROLLED_BACK","private_addresses_included":false,"production_changed":false,"repository":"homelab-admin/homelab-ops","restored_remote_refs_count":15,"restored_remote_refs_sha256":"f63e34e66333726860a39080125685519126b71d257aee3e039ac9a42093c210","rollback_failure":null,"rollback_restored":true,"rollback_started":true,"sanitized":true,"schema":2,"secrets_included":false,"services_changed":false,"status":"ROLLED_BACK","target_commit":"b1ae1b8449e602024f897436e3fd9ea87f26ee38"}
 
 OUTPUT_END
 CHAT_OUTPUT_END