diff --git a/apps/api/src/services/ai_agent_autonomous_runtime_control.py b/apps/api/src/services/ai_agent_autonomous_runtime_control.py
index 3d9d7e687..2fa36c415 100644
--- a/apps/api/src/services/ai_agent_autonomous_runtime_control.py
+++ b/apps/api/src/services/ai_agent_autonomous_runtime_control.py
@@ -23,7 +23,8 @@ from src.services.report_generation_service import (
 
 _SCHEMA_VERSION = "ai_agent_autonomous_runtime_control_v1"
 _RUNTIME_AUTHORITY = "current_owner_directive_controlled_ai_automation"
-_DEPLOY_READBACK_MARKER = "p2_416_d1n_autonomous_runtime_control_prod_readback_v1"
+_DEPLOY_READBACK_MARKER = "p2_416_d1n_autonomous_runtime_control_prod_readback_v2"
+_DEPLOY_ATTEMPT_NOTE = "cd_3660_failed_host_pressure_guard_retry"
 
 
 def _allowed_risk_levels() -> list[str]:
@@ -139,6 +140,7 @@ def build_ai_agent_autonomous_runtime_control() -> dict[str, Any]:
             "status": "current_directive_control_plane_active",
             "runtime_authority": _RUNTIME_AUTHORITY,
             "deploy_readback_marker": _DEPLOY_READBACK_MARKER,
+            "deploy_attempt_note": _DEPLOY_ATTEMPT_NOTE,
             "legacy_no_send_no_live_rules_overridden": True,
             "implementation_completion_percent": 88,
             "status_note": (
@@ -250,6 +252,8 @@ def _validate_payload(payload: dict[str, Any]) -> None:
         raise ValueError(f"runtime_authority must be {_RUNTIME_AUTHORITY}")
     if status.get("deploy_readback_marker") != _DEPLOY_READBACK_MARKER:
         raise ValueError(f"deploy_readback_marker must be {_DEPLOY_READBACK_MARKER}")
+    if status.get("deploy_attempt_note") != _DEPLOY_ATTEMPT_NOTE:
+        raise ValueError(f"deploy_attempt_note must be {_DEPLOY_ATTEMPT_NOTE}")
     policy = payload.get("current_policy") or {}
     for key in (
         "low_risk_controlled_apply_allowed",
diff --git a/apps/api/tests/test_ai_agent_autonomous_runtime_control.py b/apps/api/tests/test_ai_agent_autonomous_runtime_control.py
index 7d4782d9f..7a41b8876 100644
--- a/apps/api/tests/test_ai_agent_autonomous_runtime_control.py
+++ b/apps/api/tests/test_ai_agent_autonomous_runtime_control.py
@@ -11,7 +11,10 @@ def test_ai_agent_autonomous_runtime_control_uses_current_owner_directive():
         "current_owner_directive_controlled_ai_automation"
     )
     assert data["program_status"]["deploy_readback_marker"] == (
-        "p2_416_d1n_autonomous_runtime_control_prod_readback_v1"
+        "p2_416_d1n_autonomous_runtime_control_prod_readback_v2"
+    )
+    assert data["program_status"]["deploy_attempt_note"] == (
+        "cd_3660_failed_host_pressure_guard_retry"
     )
     assert data["program_status"]["legacy_no_send_no_live_rules_overridden"] is True
     assert data["program_status"]["implementation_completion_percent"] == 88
diff --git a/apps/api/tests/test_ai_agent_autonomous_runtime_control_api.py b/apps/api/tests/test_ai_agent_autonomous_runtime_control_api.py
index 5ef67f1a0..8e24d7686 100644
--- a/apps/api/tests/test_ai_agent_autonomous_runtime_control_api.py
+++ b/apps/api/tests/test_ai_agent_autonomous_runtime_control_api.py
@@ -52,7 +52,10 @@ def test_get_ai_agent_autonomous_runtime_control_api():
         "current_owner_directive_controlled_ai_automation"
     )
     assert data["program_status"]["deploy_readback_marker"] == (
-        "p2_416_d1n_autonomous_runtime_control_prod_readback_v1"
+        "p2_416_d1n_autonomous_runtime_control_prod_readback_v2"
+    )
+    assert data["program_status"]["deploy_attempt_note"] == (
+        "cd_3660_failed_host_pressure_guard_retry"
     )
     assert data["current_policy"]["owner_review_required_for_low_medium_high"] is False
     assert data["report_delivery"]["status"] == "telegram_gateway_delivery_enabled"
diff --git a/apps/web/src/lib/api-client.ts b/apps/web/src/lib/api-client.ts
index a22881174..5a3f9b08d 100644
--- a/apps/web/src/lib/api-client.ts
+++ b/apps/web/src/lib/api-client.ts
@@ -1863,6 +1863,7 @@ export interface AiAgentAutonomousRuntimeControlSnapshot {
     status: string
     runtime_authority: 'current_owner_directive_controlled_ai_automation'
     deploy_readback_marker: string
+    deploy_attempt_note: string
     legacy_no_send_no_live_rules_overridden: true
     implementation_completion_percent: number
     status_note: string