fix(agent): classify gitea sustained load pressure

apps/api/tests/test_ai_agent_autonomous_runtime_control.py

@@ -772,7 +772,7 @@ def test_runtime_receipt_readback_summarizes_live_executor_closure_rows():
     assert host_load["current_work_item_id"] == (
         "P1-D2-host-sustained-load-controlled-automation"
     )
-    assert host_load["rollups"]["action_class_count"] == 4
+    assert host_load["rollups"]["action_class_count"] == 5
     assert host_load["rollups"]["controlled_apply_class_count"] == 2
     assert host_load["rollups"]["required_asset_count"] == 6
     assert host_load["rollups"]["ready_asset_count"] == 6
@@ -780,6 +780,7 @@ def test_runtime_receipt_readback_summarizes_live_executor_closure_rows():
         "orphan_browser_smoke_runaway_process",
         "ci_runner_load_saturation",
         "memory_or_swap_pressure",
+        "gitea_queue_or_hook_backlog",
         "unknown_sustained_load",
     } == {item["class_id"] for item in host_load["action_classes"]}
     assert host_load["operation_boundaries"]["executes_on_read"] is False