新增 AMOS(首尔/釜山)和 MGM(安卡拉/伊斯坦布尔)图表叠加

- overlay_latest_amos_observation: 从 raw_observation_latest 读取韩国跑道传感器数据
- overlay_latest_mgm_observation: 读取土耳其 MGM 官方观测
- 接入 _get_city_chart_data 的 force_refresh 和缓存两条路径

web/services/city_api.py

@@ -18,8 +18,10 @@ import web.routes as legacy_routes
 from web.analysis_service import _runway_history_temp_for_city
 from web.services.canonical_temperature import build_city_weather_from_canonical
 from web.services.latest_observation_overlay import (
+    overlay_latest_amos_observation,
     overlay_latest_amsc_observation,
     overlay_latest_jma_amedas_observation,
+    overlay_latest_mgm_observation,
     parse_observation_epoch,
 )
 from web.services.request_timing import ServerTimingRecorder
@@ -671,6 +673,20 @@ async def _get_city_chart_data(city: str, *, force_refresh: bool) -> Dict[str, A
             fn=overlay_latest_jma_amedas_observation,
             args=(legacy_routes._weather, city, payload),
         )
+        payload = await _run_optional_city_chart_overlay(
+            city=city,
+            overlay_name="amos_latest_raw",
+            payload=payload,
+            fn=overlay_latest_amos_observation,
+            args=(legacy_routes._CACHE_DB, city, payload),
+        )
+        payload = await _run_optional_city_chart_overlay(
+            city=city,
+            overlay_name="mgm_latest_raw",
+            payload=payload,
+            fn=overlay_latest_mgm_observation,
+            args=(legacy_routes._CACHE_DB, city, payload),
+        )
         return await _run_optional_city_chart_overlay(
             city=city,
             overlay_name="wunderground_current",
@@ -707,6 +723,20 @@ async def _get_city_chart_data(city: str, *, force_refresh: bool) -> Dict[str, A
                 fn=overlay_latest_jma_amedas_observation,
                 args=(legacy_routes._weather, city, payload),
             )
+            payload = await _run_optional_city_chart_overlay(
+                city=city,
+                overlay_name="amos_latest_raw",
+                payload=payload,
+                fn=overlay_latest_amos_observation,
+                args=(legacy_routes._CACHE_DB, city, payload),
+            )
+            payload = await _run_optional_city_chart_overlay(
+                city=city,
+                overlay_name="mgm_latest_raw",
+                payload=payload,
+                fn=overlay_latest_mgm_observation,
+                args=(legacy_routes._CACHE_DB, city, payload),
+            )
             return await _run_optional_city_chart_overlay(
                 city=city,
                 overlay_name="wunderground_current",