fix(api): share operator summary cache through redis

apps/api/src/services/platform_operator_service.py

@@ -61,8 +61,8 @@ from src.services.ollama_failover_manager import (
 from src.services.ollama_health_monitor import HealthReport, HealthStatus
 from src.services.operator_outcome import build_operator_outcome
 from src.services.operator_summary_cache import (
-    get_cached_operator_summary,
-    store_operator_summary,
+    get_cached_operator_summary_async,
+    store_operator_summary_async,
 )
 from src.services.run_state_machine import transition
 
@@ -337,7 +337,7 @@ async def list_callback_replies(
         "per_page": per_page,
     }
     if not refresh:
-        cached_response = get_cached_operator_summary(
+        cached_response = await get_cached_operator_summary_async(
             "callback_replies",
             cache_key,
             ttl_seconds=_CALLBACK_REPLY_CACHE_TTL_SECONDS,
@@ -515,7 +515,7 @@ async def list_callback_replies(
         cache_status="miss",
         cache_ttl_seconds=_CALLBACK_REPLY_CACHE_TTL_SECONDS,
     )
-    return store_operator_summary(
+    return await store_operator_summary_async(
         "callback_replies",
         cache_key,
         response,