fix(agents): bound runtime receipt db entry

apps/api/tests/test_ai_agent_autonomous_runtime_control.py

@@ -76,6 +76,15 @@ class _BudgetRuntimeDbContext:
         return False
 
 
+class _SlowEnterRuntimeDbContext:
+    async def __aenter__(self):
+        await asyncio.sleep(1)
+        return _FailingRuntimeDb()
+
+    async def __aexit__(self, _exc_type, _exc, _tb) -> bool:
+        return False
+
+
 def _assert_log_controlled_writeback_executor(payload: dict):
     assert payload["schema_version"] == "ai_agent_log_controlled_writeback_executor_readback_v1"
     assert payload["priority"] == "P1-LOG-KM-RAG-MCP-PLAYBOOK"
@@ -287,6 +296,74 @@ async def test_live_runtime_receipt_keeps_consumer_readback_when_trace_query_fai
     )
 
 
+@pytest.mark.asyncio
+async def test_live_runtime_receipt_db_context_timeout_returns_degraded_payload(
+    monkeypatch,
+):
+    runtime_control_module._clear_runtime_receipt_readback_cache()
+
+    async def _fake_consumer_readback(*, project_id: str):
+        assert project_id == "awoooi"
+        return _log_controlled_writeback_consumer_readback()
+
+    monkeypatch.setattr(
+        runtime_control_module,
+        "_RUNTIME_RECEIPT_DB_CONTEXT_TIMEOUT_SECONDS",
+        0.01,
+    )
+    monkeypatch.setattr(
+        runtime_control_module,
+        "get_db_context",
+        lambda project_id: _SlowEnterRuntimeDbContext(),
+    )
+    monkeypatch.setattr(
+        runtime_control_module,
+        "_load_log_controlled_writeback_consumer_readback",
+        _fake_consumer_readback,
+    )
+
+    try:
+        loader = getattr(
+            runtime_control_module,
+            "_load_ai_agent_autonomous_runtime_receipt_readback_uncached",
+        )
+        readback = await loader()
+    finally:
+        runtime_control_module._clear_runtime_receipt_readback_cache()
+
+    assert readback["db_read_status"] == "unavailable"
+    assert readback["error"]["type"] == "RuntimeReceiptDbContextTimeout"
+    _assert_log_controlled_writeback_consumer(
+        readback["log_controlled_writeback_consumer"]
+    )
+
+
+@pytest.mark.asyncio
+async def test_live_runtime_receipt_lock_timeout_returns_degraded_payload(
+    monkeypatch,
+):
+    runtime_control_module._clear_runtime_receipt_readback_cache()
+    lock = asyncio.Lock()
+    await lock.acquire()
+    monkeypatch.setattr(runtime_control_module, "_runtime_receipt_readback_lock", lock)
+    monkeypatch.setattr(
+        runtime_control_module,
+        "_RUNTIME_RECEIPT_LOCK_TIMEOUT_SECONDS",
+        0.01,
+    )
+
+    try:
+        readback = (
+            await runtime_control_module.load_ai_agent_autonomous_runtime_receipt_readback()
+        )
+    finally:
+        lock.release()
+        runtime_control_module._clear_runtime_receipt_readback_cache()
+
+    assert readback["db_read_status"] == "unavailable"
+    assert readback["error"]["type"] == "RuntimeReceiptReadbackLockTimeout"
+
+
 @pytest.mark.asyncio
 async def test_live_runtime_receipt_readback_returns_partial_when_query_budget_expires(
     monkeypatch,