Add background catalog cache refresh to health check loop

Resolves #1 — the health checker now refreshes catalog cache for all
online Evotor connections when cache is missing or older than
CATALOG_REFRESH_INTERVAL_SECONDS (default: 3600s).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

web/config.py

@@ -11,6 +11,7 @@ class Settings(BaseSettings):
     EVOTOR_WEBHOOK_SECRET: str = ""
 
     HEALTH_CHECK_INTERVAL_SECONDS: int = 600
+    CATALOG_REFRESH_INTERVAL_SECONDS: int = 3600
 
     VK_CLIENT_ID: str = ""
     VK_CLIENT_SECRET: str = ""

web/health_checker.py

@@ -5,7 +5,7 @@ from datetime import datetime, timedelta
 import httpx
 
 from web.database import SessionLocal
-from web.models import EvotorConnection, VkConnection
+from web.models import EvotorConnection, VkConnection, CachedStore
 
 logger = logging.getLogger("uvicorn.error")
 
@@ -116,10 +116,28 @@ async def run_health_checks() -> None:
             conn.last_checked_at = now
 
         db.commit()
+
+        # Refresh catalog cache for online Evotor connections
+        from web.config import settings
+        refreshed_catalog = 0
+        for conn in evotor_connections:
+            if not conn.is_online:
+                continue
+            cached = db.query(CachedStore).filter(CachedStore.user_id == conn.user_id).first()
+            cache_age = (now - cached.fetched_at).total_seconds() if cached else None
+            if cached is None or cache_age >= settings.CATALOG_REFRESH_INTERVAL_SECONDS:
+                try:
+                    from web.evotor_api import refresh_catalog_cache
+                    await refresh_catalog_cache(conn.user_id, conn.access_token, db)
+                    refreshed_catalog += 1
+                except Exception:
+                    logger.exception("Failed to refresh catalog cache for user_id=%d", conn.user_id)
+
         logger.info(
-            "Health checks completed: %d Evotor, %d VK",
+            "Health checks completed: %d Evotor, %d VK, %d catalogs refreshed",
             len(evotor_connections),
             len(vk_connections),
+            refreshed_catalog,
         )
     except Exception:
         logger.exception("Error during health checks")