diff --git a/runtime/history/HOMELAB-CLUSTER-KB-ERROR-SYSTEM-V2-ATOMIC-APPLY-20260805T133000Z.json b/runtime/history/HOMELAB-CLUSTER-KB-ERROR-SYSTEM-V2-ATOMIC-APPLY-20260805T133000Z.json
new file mode 100644
index 0000000..bfae2b4
--- /dev/null
+++ b/runtime/history/HOMELAB-CLUSTER-KB-ERROR-SYSTEM-V2-ATOMIC-APPLY-20260805T133000Z.json
@@ -0,0 +1,38 @@
+{
+  "schema_version": 1,
+  "channel": "homelab-runtime",
+  "command_id": "HOMELAB-CLUSTER-KB-ERROR-SYSTEM-V2-ATOMIC-APPLY-20260805T133000Z",
+  "status": "FAIL",
+  "rc": 1,
+  "host": "pve01",
+  "mode": "change",
+  "component": "cluster-kb-error-v2",
+  "started_at_utc": "2026-08-05T14:05:22Z",
+  "finished_at_utc": "2026-08-05T14:05:22Z",
+  "reference_register_checked": true,
+  "reference_sha256": "5763f2f8edc75fcf6f3951f8c95896d1cc112ceccb6cf5b64a383f540a4deb8e",
+  "error_register_checked": true,
+  "error_register_sha256": "24934a2c7fa5c26f6e828583c4aefac7f143b40c0171736ed7571e617d55ab83",
+  "command_sha256": "dde8d0522fa1c1698637bc31eff4e395c3467b68ae8f1292293215244625765c",
+  "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,
+  "command_rc": 1,
+  "changes_made": false,
+  "rollback_started": false,
+  "rollback_restored": null,
+  "mutation_outcome": "NO_MUTATION",
+  "sanitized": true,
+  "secrets_included": false,
+  "private_addresses_included": false,
+  "raw_evidence_retained_locally": true,
+  "raw_evidence_sha256": "b942240807171ce6ba0d72af83c8f25f69f61012afbf90ffc80c3601f29972d3",
+  "sanitized_output_sha256": "b942240807171ce6ba0d72af83c8f25f69f61012afbf90ffc80c3601f29972d3",
+  "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-CLUSTER-KB-ERROR-SYSTEM-V2-ATOMIC-APPLY-20260805T133000Z\",\"command_rc\":1,\"mutation_outcome\":\"NO_MUTATION\",\"output_truncated_in_json\":false,\"rc\":1,\"rollback_restored\":null,\"rollback_started\":false,\"status\":\"FAIL\",\"version\":1}\n{\"changes_made\":false,\"command_id\":\"HOMELAB-CLUSTER-KB-ERROR-SYSTEM-V2-ATOMIC-APPLY-20260805T133000Z\",\"command_rc\":1,\"detail\":{\"bundle_bytes_ok\":true,\"bundle_sha256_ok\":true,\"capsule_match_count\":0,\"capsule_sha_present_in_runner_json\":false,\"command_id_present\":true,\"exists\":true,\"identity_fully_verified\":false,\"member_count\":6,\"output_embedded_match_count\":1,\"output_match_count\":0,\"required_next_action_present\":true,\"runner_json_match_count\":1,\"runner_text_match_count\":1,\"runner_text_sha_present_in_runner_json\":false},\"error\":{\"message_sha256\":\"f8e468de9f956a8d1178007d915be7aa44eaac2bbf7922c32fdf19085091e44d\",\"type\":\"Abort\"},\"mutation_outcome\":\"NO_MUTATION\",\"next_action\":\"RUN_ONE_READ_ONLY_PREVIOUS_EXACT_EVIDENCE_DIAGNOSTIC\",\"output_truncated_in_json\":false,\"private_addresses_emitted\":false,\"rc\":1,\"rollback_restored\":null,\"rollback_started\":false,\"root_cause_classification\":\"PREVIOUS_EXACT_RESULT_IDENTITY_NOT_REVERIFIED\",\"schema\":1,\"secrets_emitted\":false,\"status\":\"FAIL\"}\n"
+}
diff --git a/runtime/history/HOMELAB-CLUSTER-KB-ERROR-SYSTEM-V2-ATOMIC-APPLY-20260805T133000Z.txt b/runtime/history/HOMELAB-CLUSTER-KB-ERROR-SYSTEM-V2-ATOMIC-APPLY-20260805T133000Z.txt
new file mode 100644
index 0000000..4839324
--- /dev/null
+++ b/runtime/history/HOMELAB-CLUSTER-KB-ERROR-SYSTEM-V2-ATOMIC-APPLY-20260805T133000Z.txt
@@ -0,0 +1,34 @@
+CHAT_OUTPUT_BEGIN
+COMMAND_ID=HOMELAB-CLUSTER-KB-ERROR-SYSTEM-V2-ATOMIC-APPLY-20260805T133000Z
+STATUS=FAIL
+RC=1
+HOST=pve01
+MODE=change
+COMPONENT=cluster-kb-error-v2
+REFERENCE_REGISTER_CHECK=OK
+REFERENCE_SHA256=5763f2f8edc75fcf6f3951f8c95896d1cc112ceccb6cf5b64a383f540a4deb8e
+ERROR_REGISTER_CHECK=OK
+ERROR_REGISTER_SHA256=24934a2c7fa5c26f6e828583c4aefac7f143b40c0171736ed7571e617d55ab83
+COMMAND_SHA256=dde8d0522fa1c1698637bc31eff4e395c3467b68ae8f1292293215244625765c
+DUPLICATE_FAILED_COMMAND_BLOCKED=false
+EXECUTION_STARTED=true
+CHANGE_DECLARED=true
+RESULT_CONTRACT_VALID=true
+RESULT_CONTRACT_STATUS=FAIL
+RESULT_CONTRACT_ERROR=NONE
+COMMAND_RC=1
+CHANGES_MADE=false
+ROLLBACK_STARTED=false
+ROLLBACK_RESTORED=null
+MUTATION_OUTCOME=NO_MUTATION
+SANITIZED=yes
+SECRETS_INCLUDED=no
+PRIVATE_ADDRESSES_INCLUDED=no
+RAW_EVIDENCE_SHA256=b942240807171ce6ba0d72af83c8f25f69f61012afbf90ffc80c3601f29972d3
+SANITIZED_OUTPUT_SHA256=b942240807171ce6ba0d72af83c8f25f69f61012afbf90ffc80c3601f29972d3
+OUTPUT_BEGIN
+HOMELAB_RESULT_CONTRACT={"changes_made":false,"command_id":"HOMELAB-CLUSTER-KB-ERROR-SYSTEM-V2-ATOMIC-APPLY-20260805T133000Z","command_rc":1,"mutation_outcome":"NO_MUTATION","output_truncated_in_json":false,"rc":1,"rollback_restored":null,"rollback_started":false,"status":"FAIL","version":1}
+{"changes_made":false,"command_id":"HOMELAB-CLUSTER-KB-ERROR-SYSTEM-V2-ATOMIC-APPLY-20260805T133000Z","command_rc":1,"detail":{"bundle_bytes_ok":true,"bundle_sha256_ok":true,"capsule_match_count":0,"capsule_sha_present_in_runner_json":false,"command_id_present":true,"exists":true,"identity_fully_verified":false,"member_count":6,"output_embedded_match_count":1,"output_match_count":0,"required_next_action_present":true,"runner_json_match_count":1,"runner_text_match_count":1,"runner_text_sha_present_in_runner_json":false},"error":{"message_sha256":"f8e468de9f956a8d1178007d915be7aa44eaac2bbf7922c32fdf19085091e44d","type":"Abort"},"mutation_outcome":"NO_MUTATION","next_action":"RUN_ONE_READ_ONLY_PREVIOUS_EXACT_EVIDENCE_DIAGNOSTIC","output_truncated_in_json":false,"private_addresses_emitted":false,"rc":1,"rollback_restored":null,"rollback_started":false,"root_cause_classification":"PREVIOUS_EXACT_RESULT_IDENTITY_NOT_REVERIFIED","schema":1,"secrets_emitted":false,"status":"FAIL"}
+
+OUTPUT_END
+CHAT_OUTPUT_END
diff --git a/runtime/latest.json b/runtime/latest.json
index a91beb4..bfae2b4 100644
--- a/runtime/latest.json
+++ b/runtime/latest.json
@@ -1,19 +1,19 @@
 {
   "schema_version": 1,
   "channel": "homelab-runtime",
-  "command_id": "HOMELAB-CLUSTER-ADMIN-UPDATES-V20-FINAL-ATOMIC-CHANGE-20260805T135000Z",
+  "command_id": "HOMELAB-CLUSTER-KB-ERROR-SYSTEM-V2-ATOMIC-APPLY-20260805T133000Z",
   "status": "FAIL",
   "rc": 1,
   "host": "pve01",
   "mode": "change",
-  "component": "homelab-cluster-admin-update-visibility",
-  "started_at_utc": "2026-08-05T14:03:59Z",
-  "finished_at_utc": "2026-08-05T14:03:59Z",
+  "component": "cluster-kb-error-v2",
+  "started_at_utc": "2026-08-05T14:05:22Z",
+  "finished_at_utc": "2026-08-05T14:05:22Z",
   "reference_register_checked": true,
   "reference_sha256": "5763f2f8edc75fcf6f3951f8c95896d1cc112ceccb6cf5b64a383f540a4deb8e",
   "error_register_checked": true,
   "error_register_sha256": "24934a2c7fa5c26f6e828583c4aefac7f143b40c0171736ed7571e617d55ab83",
-  "command_sha256": "68d9b6b72b1284dffe8b8dca2df5652980a3120ad44f4cb1ddea09a9a36e8601",
+  "command_sha256": "dde8d0522fa1c1698637bc31eff4e395c3467b68ae8f1292293215244625765c",
   "duplicate_failed_command_blocked": false,
   "block_reason": null,
   "execution_started": true,
@@ -24,15 +24,15 @@
   "command_rc": 1,
   "changes_made": false,
   "rollback_started": false,
-  "rollback_restored": false,
+  "rollback_restored": null,
   "mutation_outcome": "NO_MUTATION",
   "sanitized": true,
   "secrets_included": false,
   "private_addresses_included": false,
   "raw_evidence_retained_locally": true,
-  "raw_evidence_sha256": "0d23be69194c93ef25278e9a981074af58bf3625e2c22cf16a6fdb6de7b70fa2",
-  "sanitized_output_sha256": "0d23be69194c93ef25278e9a981074af58bf3625e2c22cf16a6fdb6de7b70fa2",
+  "raw_evidence_sha256": "b942240807171ce6ba0d72af83c8f25f69f61012afbf90ffc80c3601f29972d3",
+  "sanitized_output_sha256": "b942240807171ce6ba0d72af83c8f25f69f61012afbf90ffc80c3601f29972d3",
   "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-CLUSTER-ADMIN-UPDATES-V20-FINAL-ATOMIC-CHANGE-20260805T135000Z\",\"command_rc\":1,\"control_plane_error\":null,\"mutation_outcome\":\"NO_MUTATION\",\"rc\":1,\"report_bytes\":543,\"report_sha256\":\"3868e0bc184dccc5579e3bc16711e16749ebd454e491b229c7013ed3efaace67\",\"rollback_restored\":false,\"rollback_started\":false,\"status\":\"FAIL\",\"version\":1}\n{\"changes_made\":false,\"command_id\":\"HOMELAB-CLUSTER-ADMIN-UPDATES-V20-FINAL-ATOMIC-CHANGE-20260805T135000Z\",\"error\":\"remote python failed:   File \\\"<string>\\\", line 1\\n    import\\n          ^\\nSyntaxError: invalid syntax\\nbash: line 2: from: command not found\\nbash: -c: line 3: syntax error near unexpected token `('\\nbash: -c: line 3: `req=json.loads(sys.stdin.read());out={'files':{},'units':[]}'\\n\",\"error_type\":\"RuntimeError\",\"mutation_outcome\":\"NO_MUTATION\",\"rollback_restored\":false,\"rollback_started\":false,\"schema\":20,\"status\":\"FAIL\"}\n"
+  "output": "HOMELAB_RESULT_CONTRACT={\"changes_made\":false,\"command_id\":\"HOMELAB-CLUSTER-KB-ERROR-SYSTEM-V2-ATOMIC-APPLY-20260805T133000Z\",\"command_rc\":1,\"mutation_outcome\":\"NO_MUTATION\",\"output_truncated_in_json\":false,\"rc\":1,\"rollback_restored\":null,\"rollback_started\":false,\"status\":\"FAIL\",\"version\":1}\n{\"changes_made\":false,\"command_id\":\"HOMELAB-CLUSTER-KB-ERROR-SYSTEM-V2-ATOMIC-APPLY-20260805T133000Z\",\"command_rc\":1,\"detail\":{\"bundle_bytes_ok\":true,\"bundle_sha256_ok\":true,\"capsule_match_count\":0,\"capsule_sha_present_in_runner_json\":false,\"command_id_present\":true,\"exists\":true,\"identity_fully_verified\":false,\"member_count\":6,\"output_embedded_match_count\":1,\"output_match_count\":0,\"required_next_action_present\":true,\"runner_json_match_count\":1,\"runner_text_match_count\":1,\"runner_text_sha_present_in_runner_json\":false},\"error\":{\"message_sha256\":\"f8e468de9f956a8d1178007d915be7aa44eaac2bbf7922c32fdf19085091e44d\",\"type\":\"Abort\"},\"mutation_outcome\":\"NO_MUTATION\",\"next_action\":\"RUN_ONE_READ_ONLY_PREVIOUS_EXACT_EVIDENCE_DIAGNOSTIC\",\"output_truncated_in_json\":false,\"private_addresses_emitted\":false,\"rc\":1,\"rollback_restored\":null,\"rollback_started\":false,\"root_cause_classification\":\"PREVIOUS_EXACT_RESULT_IDENTITY_NOT_REVERIFIED\",\"schema\":1,\"secrets_emitted\":false,\"status\":\"FAIL\"}\n"
 }
diff --git a/runtime/latest.txt b/runtime/latest.txt
index b3041f8..4839324 100644
--- a/runtime/latest.txt
+++ b/runtime/latest.txt
@@ -1,15 +1,15 @@
 CHAT_OUTPUT_BEGIN
-COMMAND_ID=HOMELAB-CLUSTER-ADMIN-UPDATES-V20-FINAL-ATOMIC-CHANGE-20260805T135000Z
+COMMAND_ID=HOMELAB-CLUSTER-KB-ERROR-SYSTEM-V2-ATOMIC-APPLY-20260805T133000Z
 STATUS=FAIL
 RC=1
 HOST=pve01
 MODE=change
-COMPONENT=homelab-cluster-admin-update-visibility
+COMPONENT=cluster-kb-error-v2
 REFERENCE_REGISTER_CHECK=OK
 REFERENCE_SHA256=5763f2f8edc75fcf6f3951f8c95896d1cc112ceccb6cf5b64a383f540a4deb8e
 ERROR_REGISTER_CHECK=OK
 ERROR_REGISTER_SHA256=24934a2c7fa5c26f6e828583c4aefac7f143b40c0171736ed7571e617d55ab83
-COMMAND_SHA256=68d9b6b72b1284dffe8b8dca2df5652980a3120ad44f4cb1ddea09a9a36e8601
+COMMAND_SHA256=dde8d0522fa1c1698637bc31eff4e395c3467b68ae8f1292293215244625765c
 DUPLICATE_FAILED_COMMAND_BLOCKED=false
 EXECUTION_STARTED=true
 CHANGE_DECLARED=true
@@ -19,16 +19,16 @@ RESULT_CONTRACT_ERROR=NONE
 COMMAND_RC=1
 CHANGES_MADE=false
 ROLLBACK_STARTED=false
-ROLLBACK_RESTORED=false
+ROLLBACK_RESTORED=null
 MUTATION_OUTCOME=NO_MUTATION
 SANITIZED=yes
 SECRETS_INCLUDED=no
 PRIVATE_ADDRESSES_INCLUDED=no
-RAW_EVIDENCE_SHA256=0d23be69194c93ef25278e9a981074af58bf3625e2c22cf16a6fdb6de7b70fa2
-SANITIZED_OUTPUT_SHA256=0d23be69194c93ef25278e9a981074af58bf3625e2c22cf16a6fdb6de7b70fa2
+RAW_EVIDENCE_SHA256=b942240807171ce6ba0d72af83c8f25f69f61012afbf90ffc80c3601f29972d3
+SANITIZED_OUTPUT_SHA256=b942240807171ce6ba0d72af83c8f25f69f61012afbf90ffc80c3601f29972d3
 OUTPUT_BEGIN
-HOMELAB_RESULT_CONTRACT={"changes_made":false,"command_id":"HOMELAB-CLUSTER-ADMIN-UPDATES-V20-FINAL-ATOMIC-CHANGE-20260805T135000Z","command_rc":1,"control_plane_error":null,"mutation_outcome":"NO_MUTATION","rc":1,"report_bytes":543,"report_sha256":"3868e0bc184dccc5579e3bc16711e16749ebd454e491b229c7013ed3efaace67","rollback_restored":false,"rollback_started":false,"status":"FAIL","version":1}
-{"changes_made":false,"command_id":"HOMELAB-CLUSTER-ADMIN-UPDATES-V20-FINAL-ATOMIC-CHANGE-20260805T135000Z","error":"remote python failed:   File \"<string>\", line 1\n    import\n          ^\nSyntaxError: invalid syntax\nbash: line 2: from: command not found\nbash: -c: line 3: syntax error near unexpected token `('\nbash: -c: line 3: `req=json.loads(sys.stdin.read());out={'files':{},'units':[]}'\n","error_type":"RuntimeError","mutation_outcome":"NO_MUTATION","rollback_restored":false,"rollback_started":false,"schema":20,"status":"FAIL"}
+HOMELAB_RESULT_CONTRACT={"changes_made":false,"command_id":"HOMELAB-CLUSTER-KB-ERROR-SYSTEM-V2-ATOMIC-APPLY-20260805T133000Z","command_rc":1,"mutation_outcome":"NO_MUTATION","output_truncated_in_json":false,"rc":1,"rollback_restored":null,"rollback_started":false,"status":"FAIL","version":1}
+{"changes_made":false,"command_id":"HOMELAB-CLUSTER-KB-ERROR-SYSTEM-V2-ATOMIC-APPLY-20260805T133000Z","command_rc":1,"detail":{"bundle_bytes_ok":true,"bundle_sha256_ok":true,"capsule_match_count":0,"capsule_sha_present_in_runner_json":false,"command_id_present":true,"exists":true,"identity_fully_verified":false,"member_count":6,"output_embedded_match_count":1,"output_match_count":0,"required_next_action_present":true,"runner_json_match_count":1,"runner_text_match_count":1,"runner_text_sha_present_in_runner_json":false},"error":{"message_sha256":"f8e468de9f956a8d1178007d915be7aa44eaac2bbf7922c32fdf19085091e44d","type":"Abort"},"mutation_outcome":"NO_MUTATION","next_action":"RUN_ONE_READ_ONLY_PREVIOUS_EXACT_EVIDENCE_DIAGNOSTIC","output_truncated_in_json":false,"private_addresses_emitted":false,"rc":1,"rollback_restored":null,"rollback_started":false,"root_cause_classification":"PREVIOUS_EXACT_RESULT_IDENTITY_NOT_REVERIFIED","schema":1,"secrets_emitted":false,"status":"FAIL"}
 
 OUTPUT_END
 CHAT_OUTPUT_END