chore: improve check_environment.py script

- Filter out expired records using ttl_expiry
- Add namespace: prefix to headers for clarity

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

check_environment.py

@@ -25,12 +25,20 @@ async def main():
 
     namespaces = ["weather", "air_quality", "forecast", "sun", "news"]
 
+    now_ms = int(time.time() * 1000)
+
     for ns in namespaces:
         try:
+            from qdrant_client.models import Range
+
+            # Filter by namespace AND not expired
             results = qdrant.scroll(
                 collection_name=collection,
                 scroll_filter=Filter(
-                    must=[FieldCondition(key="namespace", match=MatchValue(value=ns))]
+                    must=[
+                        FieldCondition(key="namespace", match=MatchValue(value=ns)),
+                        FieldCondition(key="ttl_expiry", range=Range(gt=now_ms)),
+                    ]
                 ),
                 limit=10,
                 with_payload=True,
@@ -38,7 +46,7 @@ async def main():
             )
 
             points = results[0]
-            print(f"=== {ns.upper()} ({len(points)} records) ===")
+            print(f"=== {ns.upper()} [namespace:{ns}] ({len(points)} records) ===")
 
             if not points:
                 print("  (no data)")