add caching, add to stats

studspider.py

@@ -67,10 +67,11 @@ async def get_stats():
     """
     Get daily statistics for LEGO inventory.
 
-    Returns metrics about enrichment progress, missing data, and catalog value.
+    Returns metrics about enrichment progress, missing data, catalog value, and cache stats.
     """
     try:
         daily_stats = await stats.get_daily_stats()
+        cache_stats = await stats.get_brickset_cache_stats()
 
         # Calculate completion percentage
         if daily_stats["total_items"] > 0:
@@ -84,6 +85,7 @@ async def get_stats():
             "status": "success",
             "stats": daily_stats,
             "completion_rate": round(completion_rate, 1),
+            "brickset_cache": cache_stats,
         }
     except Exception as e:
         return JSONResponse(