fix(api): bound ai route status checks

apps/api/src/services/platform_operator_service.py

@@ -8,6 +8,7 @@ ADR-106（AwoooP Agent Platform）
 
 from __future__ import annotations
 
+import asyncio
 import re
 import uuid
 from collections import defaultdict
@@ -60,6 +61,7 @@ _MAX_EVENTS = 100
 _MAX_TIMELINE_ITEMS = 100
 _MAX_LIST_CONTEXT_ROWS = 500
 _MAX_STEP_SUMMARY_CHARS = 128
+_AI_ROUTE_STATUS_SELECT_TIMEOUT_SECONDS = 12.0
 _REMEDIATION_HISTORY_LIMIT = 20
 _INCIDENT_ID_RE = re.compile(r"\bINC-\d{8}-[A-Z0-9]{4,}\b")
 _REMEDIATION_STATUS_FILTERS = {
@@ -503,7 +505,33 @@ async def get_ai_route_status(
     checked_at = _utc_now_naive()
 
     try:
-        route = await get_ollama_failover_manager().select_provider(task_type=workload)
+        route = await asyncio.wait_for(
+            get_ollama_failover_manager().select_provider(task_type=workload),
+            timeout=_AI_ROUTE_STATUS_SELECT_TIMEOUT_SECONDS,
+        )
+    except asyncio.TimeoutError:
+        logger.warning(
+            "ai_route_status_check_timeout",
+            workload_type=workload,
+            timeout_seconds=_AI_ROUTE_STATUS_SELECT_TIMEOUT_SECONDS,
+        )
+        return {
+            "schema_version": _AI_ROUTE_STATUS_SCHEMA_VERSION,
+            "workload_type": workload,
+            "policy_order": policy_order,
+            "selected_provider": None,
+            "selected_url": None,
+            "selected_model": None,
+            "fallback_chain": [],
+            "route_reason": "route_check_timeout",
+            "route_source": "ollama_failover_manager",
+            "route_error": (
+                f"route status timed out after "
+                f"{_AI_ROUTE_STATUS_SELECT_TIMEOUT_SECONDS:g}s"
+            ),
+            "health": {},
+            "checked_at": checked_at,
+        }
     except Exception as exc:
         return {
             "schema_version": _AI_ROUTE_STATUS_SCHEMA_VERSION,