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 241aae4b..cea6f3a8 100644
--- a/apps/api/src/services/ai_agent_autonomous_runtime_control.py
+++ b/apps/api/src/services/ai_agent_autonomous_runtime_control.py
@@ -2041,7 +2041,11 @@ async def load_ai_agent_autonomous_runtime_receipt_readback(
         async with get_db_context(project_id) as db:
             await db.execute(text("SET LOCAL statement_timeout = '5000ms'"))
 
-            async def _safe_aux_rows(query_name: str, sql: str) -> list[Mapping[str, Any]]:
+            async def _safe_aux_rows(
+                query_name: str,
+                sql: str,
+                fallback_sql: str | None = None,
+            ) -> list[Mapping[str, Any]]:
                 try:
                     return (await db.execute(text(sql), params)).mappings().all()
                 except Exception as exc:  # pragma: no cover - depends on live schema drift
@@ -2051,6 +2055,16 @@ async def load_ai_agent_autonomous_runtime_receipt_readback(
                         query_name=query_name,
                         error_type=type(exc).__name__,
                     )
+                    if fallback_sql:
+                        try:
+                            return (await db.execute(text(fallback_sql), params)).mappings().all()
+                        except Exception as fallback_exc:  # pragma: no cover - live schema drift
+                            logger.warning(
+                                "ai_agent_autonomous_runtime_trace_aux_fallback_failed",
+                                project_id=project_id,
+                                query_name=query_name,
+                                error_type=type(fallback_exc).__name__,
+                            )
                     return []
 
             operation_counts = (
@@ -2102,10 +2116,12 @@ async def load_ai_agent_autonomous_runtime_receipt_readback(
             timeline_counts = await _safe_aux_rows(
                 "timeline_counts",
                 _RUNTIME_TIMELINE_COUNTS_SQL,
+                _RUNTIME_TIMELINE_COUNTS_FALLBACK_SQL,
             )
             playbook_trust_counts = await _safe_aux_rows(
                 "playbook_trust_counts",
                 _RUNTIME_PLAYBOOK_TRUST_COUNTS_SQL,
+                _RUNTIME_PLAYBOOK_TRUST_COUNTS_FALLBACK_SQL,
             )
     except Exception as exc:
         logger.warning(
@@ -2440,6 +2456,17 @@ _RUNTIME_TIMELINE_COUNTS_SQL = """
     WHERE event_type IS NOT NULL
        OR actor IS NOT NULL
        OR actor_role IS NOT NULL
+    GROUP BY coalesce(status, 'unknown')
+    ORDER BY status
+"""
+
+
+_RUNTIME_TIMELINE_COUNTS_FALLBACK_SQL = """
+    SELECT
+        'timeline_event' AS status,
+        count(*) AS total,
+        0 AS recent
+    FROM timeline_events
 """
 
 
@@ -2469,6 +2496,15 @@ _RUNTIME_PLAYBOOK_TRUST_COUNTS_SQL = """
 """
 
 
+_RUNTIME_PLAYBOOK_TRUST_COUNTS_FALLBACK_SQL = """
+    SELECT
+        'cataloged' AS status,
+        count(*) AS total,
+        0 AS recent
+    FROM playbooks
+"""
+
+
 def _validate_payload(payload: dict[str, Any]) -> None:
     if payload.get("schema_version") != _SCHEMA_VERSION:
         raise ValueError(f"schema_version must be {_SCHEMA_VERSION}")
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 b20d7bb1..091a73a6 100644
--- a/apps/api/tests/test_ai_agent_autonomous_runtime_control.py
+++ b/apps/api/tests/test_ai_agent_autonomous_runtime_control.py
@@ -1,10 +1,21 @@
 from src.services.ai_agent_autonomous_runtime_control import (
+    _RUNTIME_PLAYBOOK_TRUST_COUNTS_FALLBACK_SQL,
+    _RUNTIME_TIMELINE_COUNTS_SQL,
     build_ai_agent_autonomous_runtime_control,
     build_runtime_receipt_readback_from_rows,
     classify_deploy_control_plane_observation,
 )
 
 
+def test_runtime_receipt_auxiliary_sql_keeps_source_family_counts_schema_safe():
+    assert "GROUP BY coalesce(status, 'unknown')" in _RUNTIME_TIMELINE_COUNTS_SQL
+    assert "FROM timeline_events" in _RUNTIME_TIMELINE_COUNTS_SQL
+    assert "count(*) AS total" in _RUNTIME_PLAYBOOK_TRUST_COUNTS_FALLBACK_SQL
+    assert "FROM playbooks" in _RUNTIME_PLAYBOOK_TRUST_COUNTS_FALLBACK_SQL
+    assert "updated_at" not in _RUNTIME_PLAYBOOK_TRUST_COUNTS_FALLBACK_SQL
+    assert "trust_score" not in _RUNTIME_PLAYBOOK_TRUST_COUNTS_FALLBACK_SQL
+
+
 def test_ai_agent_autonomous_runtime_control_uses_current_owner_directive():
     data = build_ai_agent_autonomous_runtime_control()