Anchor Paris weather data to Le Bourget

src/data_collection/city_registry.py

@@ -68,17 +68,21 @@ CITY_REGISTRY = {
     },
     "paris": {
         "name": "Paris",
-        "lat": 49.0097,
-        "lon": 2.5480,
-        "icao": "LFPG",
+        "lat": 48.9694,
+        "lon": 2.4414,
+        "icao": "LFPB",
+        "settlement_source": "metar",
+        "settlement_station_code": "LFPB",
+        "settlement_station_label": "Paris-Le Bourget Airport METAR",
+        "settlement_url": "https://www.wunderground.com/history/daily/fr/bonneuil-en-france/LFPB",
         "tz_offset": 3600,
         "use_fahrenheit": False,
         "is_major": True,
         "risk_level": "medium",
         "risk_emoji": "🟡",
-        "airport_name": "Charles de Gaulle 机场",
-        "distance_km": 25.2,
-        "warning": "城市热岛效应：市区比机场偏暖1-2°C。",
+        "airport_name": "Paris-Le Bourget 机场",
+        "distance_km": 12.0,
+        "warning": "巴黎市场现按 Le Bourget 机场 METAR / LFPB 历史记录锚定；市区热岛与机场北侧低云可能造成偏差。",
     },
     "seoul": {
         "name": "Seoul",