diff --git a/runtime/history/HREAD-260905-C1.json b/runtime/history/HREAD-260905-C1.json
new file mode 100644
index 00000000..7ccee1a7
--- /dev/null
+++ b/runtime/history/HREAD-260905-C1.json
@@ -0,0 +1,38 @@
+{
+  "schema_version": 1,
+  "channel": "homelab-runtime",
+  "command_id": "HREAD-260905-C1",
+  "status": "FAIL",
+  "rc": 23,
+  "host": "pve01",
+  "mode": "read-only",
+  "component": "homelab-readback-test",
+  "started_at_utc": "2026-09-05T01:28:51Z",
+  "finished_at_utc": "2026-09-05T01:28:51Z",
+  "reference_register_checked": true,
+  "reference_sha256": "5a3d8e5154c41cb582a4e0aca68090be1f0138918bf82131a948df326f9d8d66",
+  "error_register_checked": true,
+  "error_register_sha256": "33d422fa1bfb1b0bef3b2bf8ecddce3c3e6e2ff89fc740e5d823d88356a3a577",
+  "command_sha256": "7cc3f1e7b801295c65ba3ee3821b6923695e05e823b7adf5f7c69e8ddb7ae9be",
+  "duplicate_failed_command_blocked": false,
+  "block_reason": null,
+  "execution_started": true,
+  "change_declared": false,
+  "result_contract_valid": true,
+  "result_contract_status": null,
+  "result_contract_error": null,
+  "command_rc": 23,
+  "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": "ab1d41e72e16d478dc8a0b1ad698362e9989d7d3688efcc240f35bda398f937c",
+  "sanitized_output_sha256": "ab1d41e72e16d478dc8a0b1ad698362e9989d7d3688efcc240f35bda398f937c",
+  "output_truncated_in_json": false,
+  "full_sanitized_output_url": "https://git.gram1.ru/.well-known/homelab-runtime/latest.txt",
+  "output": "HREAD06_PROBE={\"schema_version\":1,\"session_id\":\"HOMELAB-READBACK-LINKS-20260905\",\"command_id\":\"HREAD-260905-C1\",\"nonce\":\"e676d8861844dc3dad9d0bdaaaed3fc7\",\"generated_at_utc\":\"2026-09-05T01:28:51.072068+00:00\",\"target\":\"pve01\",\"purpose\":\"NON_SECRET_READBACK_PROBE\"}\nHREAD06_STDOUT=OK\nHREAD06_STDERR=OK\nHREAD06_EXPECTED_PAYLOAD_RC=23\nHREAD06_CONTROLLED_FAILURE=YES\nHOMELAB_RESULT_CONTRACT={\"version\":1,\"command_id\":\"HREAD-260905-C1\",\"status\":\"FAIL\",\"changes_made\":false,\"rollback_started\":false,\"rollback_restored\":null}\n"
+}
diff --git a/runtime/history/HREAD-260905-C1.txt b/runtime/history/HREAD-260905-C1.txt
new file mode 100644
index 00000000..a844daa4
--- /dev/null
+++ b/runtime/history/HREAD-260905-C1.txt
@@ -0,0 +1,38 @@
+CHAT_OUTPUT_BEGIN
+COMMAND_ID=HREAD-260905-C1
+STATUS=FAIL
+RC=23
+HOST=pve01
+MODE=read-only
+COMPONENT=homelab-readback-test
+REFERENCE_REGISTER_CHECK=OK
+REFERENCE_SHA256=5a3d8e5154c41cb582a4e0aca68090be1f0138918bf82131a948df326f9d8d66
+ERROR_REGISTER_CHECK=OK
+ERROR_REGISTER_SHA256=33d422fa1bfb1b0bef3b2bf8ecddce3c3e6e2ff89fc740e5d823d88356a3a577
+COMMAND_SHA256=7cc3f1e7b801295c65ba3ee3821b6923695e05e823b7adf5f7c69e8ddb7ae9be
+DUPLICATE_FAILED_COMMAND_BLOCKED=false
+EXECUTION_STARTED=true
+CHANGE_DECLARED=false
+RESULT_CONTRACT_VALID=true
+RESULT_CONTRACT_STATUS=NOT_APPLICABLE
+RESULT_CONTRACT_ERROR=NONE
+COMMAND_RC=23
+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=ab1d41e72e16d478dc8a0b1ad698362e9989d7d3688efcc240f35bda398f937c
+SANITIZED_OUTPUT_SHA256=ab1d41e72e16d478dc8a0b1ad698362e9989d7d3688efcc240f35bda398f937c
+OUTPUT_BEGIN
+HREAD06_PROBE={"schema_version":1,"session_id":"HOMELAB-READBACK-LINKS-20260905","command_id":"HREAD-260905-C1","nonce":"e676d8861844dc3dad9d0bdaaaed3fc7","generated_at_utc":"2026-09-05T01:28:51.072068+00:00","target":"pve01","purpose":"NON_SECRET_READBACK_PROBE"}
+HREAD06_STDOUT=OK
+HREAD06_STDERR=OK
+HREAD06_EXPECTED_PAYLOAD_RC=23
+HREAD06_CONTROLLED_FAILURE=YES
+HOMELAB_RESULT_CONTRACT={"version":1,"command_id":"HREAD-260905-C1","status":"FAIL","changes_made":false,"rollback_started":false,"rollback_restored":null}
+
+OUTPUT_END
+CHAT_OUTPUT_END
diff --git a/runtime/latest.json b/runtime/latest.json
index 45e4c720..7ccee1a7 100644
--- a/runtime/latest.json
+++ b/runtime/latest.json
@@ -1,19 +1,19 @@
 {
   "schema_version": 1,
   "channel": "homelab-runtime",
-  "command_id": "HREAD-260905-B1",
-  "status": "OK",
-  "rc": 0,
+  "command_id": "HREAD-260905-C1",
+  "status": "FAIL",
+  "rc": 23,
   "host": "pve01",
   "mode": "read-only",
   "component": "homelab-readback-test",
-  "started_at_utc": "2026-09-05T01:19:49Z",
-  "finished_at_utc": "2026-09-05T01:19:49Z",
+  "started_at_utc": "2026-09-05T01:28:51Z",
+  "finished_at_utc": "2026-09-05T01:28:51Z",
   "reference_register_checked": true,
   "reference_sha256": "5a3d8e5154c41cb582a4e0aca68090be1f0138918bf82131a948df326f9d8d66",
   "error_register_checked": true,
   "error_register_sha256": "33d422fa1bfb1b0bef3b2bf8ecddce3c3e6e2ff89fc740e5d823d88356a3a577",
-  "command_sha256": "802246036dff9e677fcf88884dae4bcf7dbfa19bf754ce88fd486e472eac7c31",
+  "command_sha256": "7cc3f1e7b801295c65ba3ee3821b6923695e05e823b7adf5f7c69e8ddb7ae9be",
   "duplicate_failed_command_blocked": false,
   "block_reason": null,
   "execution_started": true,
@@ -21,7 +21,7 @@
   "result_contract_valid": true,
   "result_contract_status": null,
   "result_contract_error": null,
-  "command_rc": 0,
+  "command_rc": 23,
   "changes_made": false,
   "rollback_started": false,
   "rollback_restored": null,
@@ -30,9 +30,9 @@
   "secrets_included": false,
   "private_addresses_included": false,
   "raw_evidence_retained_locally": true,
-  "raw_evidence_sha256": "eac345bfaa36f8a660725b47a79377ff40fed521250a8662153e6b6aa1ea9b47",
-  "sanitized_output_sha256": "eac345bfaa36f8a660725b47a79377ff40fed521250a8662153e6b6aa1ea9b47",
+  "raw_evidence_sha256": "ab1d41e72e16d478dc8a0b1ad698362e9989d7d3688efcc240f35bda398f937c",
+  "sanitized_output_sha256": "ab1d41e72e16d478dc8a0b1ad698362e9989d7d3688efcc240f35bda398f937c",
   "output_truncated_in_json": false,
   "full_sanitized_output_url": "https://git.gram1.ru/.well-known/homelab-runtime/latest.txt",
-  "output": "HREAD05_PROBE={\"schema_version\":1,\"session_id\":\"HOMELAB-READBACK-LINKS-20260905\",\"command_id\":\"HREAD-260905-B1\",\"nonce\":\"2e6a88acac435cfb57c55a942fc4b768\",\"generated_at_utc\":\"2026-09-05T01:19:49.835519+00:00\",\"target\":\"pve01\",\"purpose\":\"NON_SECRET_READBACK_PROBE\"}\nHREAD05_STDOUT=OK\nHREAD05_STDERR=OK\nHOMELAB_RESULT_CONTRACT={\"version\":1,\"command_id\":\"HREAD-260905-B1\",\"status\":\"OK\",\"changes_made\":false,\"rollback_started\":false,\"rollback_restored\":null}\n"
+  "output": "HREAD06_PROBE={\"schema_version\":1,\"session_id\":\"HOMELAB-READBACK-LINKS-20260905\",\"command_id\":\"HREAD-260905-C1\",\"nonce\":\"e676d8861844dc3dad9d0bdaaaed3fc7\",\"generated_at_utc\":\"2026-09-05T01:28:51.072068+00:00\",\"target\":\"pve01\",\"purpose\":\"NON_SECRET_READBACK_PROBE\"}\nHREAD06_STDOUT=OK\nHREAD06_STDERR=OK\nHREAD06_EXPECTED_PAYLOAD_RC=23\nHREAD06_CONTROLLED_FAILURE=YES\nHOMELAB_RESULT_CONTRACT={\"version\":1,\"command_id\":\"HREAD-260905-C1\",\"status\":\"FAIL\",\"changes_made\":false,\"rollback_started\":false,\"rollback_restored\":null}\n"
 }
diff --git a/runtime/latest.txt b/runtime/latest.txt
index c3f85ed2..a844daa4 100644
--- a/runtime/latest.txt
+++ b/runtime/latest.txt
@@ -1,7 +1,7 @@
 CHAT_OUTPUT_BEGIN
-COMMAND_ID=HREAD-260905-B1
-STATUS=OK
-RC=0
+COMMAND_ID=HREAD-260905-C1
+STATUS=FAIL
+RC=23
 HOST=pve01
 MODE=read-only
 COMPONENT=homelab-readback-test
@@ -9,14 +9,14 @@ REFERENCE_REGISTER_CHECK=OK
 REFERENCE_SHA256=5a3d8e5154c41cb582a4e0aca68090be1f0138918bf82131a948df326f9d8d66
 ERROR_REGISTER_CHECK=OK
 ERROR_REGISTER_SHA256=33d422fa1bfb1b0bef3b2bf8ecddce3c3e6e2ff89fc740e5d823d88356a3a577
-COMMAND_SHA256=802246036dff9e677fcf88884dae4bcf7dbfa19bf754ce88fd486e472eac7c31
+COMMAND_SHA256=7cc3f1e7b801295c65ba3ee3821b6923695e05e823b7adf5f7c69e8ddb7ae9be
 DUPLICATE_FAILED_COMMAND_BLOCKED=false
 EXECUTION_STARTED=true
 CHANGE_DECLARED=false
 RESULT_CONTRACT_VALID=true
 RESULT_CONTRACT_STATUS=NOT_APPLICABLE
 RESULT_CONTRACT_ERROR=NONE
-COMMAND_RC=0
+COMMAND_RC=23
 CHANGES_MADE=false
 ROLLBACK_STARTED=false
 ROLLBACK_RESTORED=null
@@ -24,13 +24,15 @@ MUTATION_OUTCOME=NO_MUTATION
 SANITIZED=yes
 SECRETS_INCLUDED=no
 PRIVATE_ADDRESSES_INCLUDED=no
-RAW_EVIDENCE_SHA256=eac345bfaa36f8a660725b47a79377ff40fed521250a8662153e6b6aa1ea9b47
-SANITIZED_OUTPUT_SHA256=eac345bfaa36f8a660725b47a79377ff40fed521250a8662153e6b6aa1ea9b47
+RAW_EVIDENCE_SHA256=ab1d41e72e16d478dc8a0b1ad698362e9989d7d3688efcc240f35bda398f937c
+SANITIZED_OUTPUT_SHA256=ab1d41e72e16d478dc8a0b1ad698362e9989d7d3688efcc240f35bda398f937c
 OUTPUT_BEGIN
-HREAD05_PROBE={"schema_version":1,"session_id":"HOMELAB-READBACK-LINKS-20260905","command_id":"HREAD-260905-B1","nonce":"2e6a88acac435cfb57c55a942fc4b768","generated_at_utc":"2026-09-05T01:19:49.835519+00:00","target":"pve01","purpose":"NON_SECRET_READBACK_PROBE"}
-HREAD05_STDOUT=OK
-HREAD05_STDERR=OK
-HOMELAB_RESULT_CONTRACT={"version":1,"command_id":"HREAD-260905-B1","status":"OK","changes_made":false,"rollback_started":false,"rollback_restored":null}
+HREAD06_PROBE={"schema_version":1,"session_id":"HOMELAB-READBACK-LINKS-20260905","command_id":"HREAD-260905-C1","nonce":"e676d8861844dc3dad9d0bdaaaed3fc7","generated_at_utc":"2026-09-05T01:28:51.072068+00:00","target":"pve01","purpose":"NON_SECRET_READBACK_PROBE"}
+HREAD06_STDOUT=OK
+HREAD06_STDERR=OK
+HREAD06_EXPECTED_PAYLOAD_RC=23
+HREAD06_CONTROLLED_FAILURE=YES
+HOMELAB_RESULT_CONTRACT={"version":1,"command_id":"HREAD-260905-C1","status":"FAIL","changes_made":false,"rollback_started":false,"rollback_restored":null}
 
 OUTPUT_END
 CHAT_OUTPUT_END