接入 KNMI 阿姆斯特丹史基浦机场 10 分钟数据源

通过 KNMI Open Data API 获取 Schiphol 机场 10 分钟观测数据（NetCDF 格式）。
需设置 KNMI_API_KEY 环境变量。Docker 镜像新增 libhdf5-dev/netCDF4 依赖。

Constraint: KNMI API key 为 JWT 格式，通过 Authorization header 传递
Scope-risk: 中高，新增系统依赖 libhdf5-dev + netCDF4
Tested: pytest 176 passed, KNMI API 连通性验证通过

src/data_collection/weather_sources.py

@@ -16,10 +16,11 @@ from src.data_collection.nmc_sources import NmcSourceMixin
 from src.data_collection.nws_open_meteo_sources import NwsOpenMeteoSourceMixin
 from src.data_collection.amos_station_sources import AmosStationSourceMixin
 from src.data_collection.fmi_sources import FmiSourceMixin
+from src.data_collection.knmi_sources import KnmiSourceMixin
 from src.database.db_manager import DBManager
 
 
-class WeatherDataCollector(OpenMeteoCacheMixin, SettlementSourceMixin, MetarSourceMixin, MgmSourceMixin, JmaAmedasSourceMixin, RussiaStationSourceMixin, NmcSourceMixin, NwsOpenMeteoSourceMixin, AmosStationSourceMixin, FmiSourceMixin):
+class WeatherDataCollector(OpenMeteoCacheMixin, SettlementSourceMixin, MetarSourceMixin, MgmSourceMixin, JmaAmedasSourceMixin, RussiaStationSourceMixin, NmcSourceMixin, NwsOpenMeteoSourceMixin, AmosStationSourceMixin, FmiSourceMixin, KnmiSourceMixin):
     """
     Multi-source weather data collector
 
@@ -227,6 +228,11 @@ class WeatherDataCollector(OpenMeteoCacheMixin, SettlementSourceMixin, MetarSour
         )
         self._fmi_cache: Dict[str, Dict] = {}
         self._fmi_cache_lock = threading.Lock()
+        self.knmi_cache_ttl_sec = int(
+            os.getenv("KNMI_CACHE_TTL_SEC", "120")
+        )
+        self._knmi_cache: Dict[str, Dict] = {}
+        self._knmi_cache_lock = threading.Lock()
         self.cwa_open_data_auth = (
             os.getenv("CWA_OPEN_DATA_AUTH")
             or os.getenv("CWA_OPEN_DATA_API_KEY")
@@ -737,6 +743,8 @@ class WeatherDataCollector(OpenMeteoCacheMixin, SettlementSourceMixin, MetarSour
             self._jma_cache.pop(f"{normalized}:{use_fahrenheit}", None)
         with self._fmi_cache_lock:
             self._fmi_cache.pop(f"fmi:{normalized}:{use_fahrenheit}", None)
+        with self._knmi_cache_lock:
+            self._knmi_cache.pop(f"knmi:{normalized}:{use_fahrenheit}", None)
         with self._nmc_cache_lock:
             self._nmc_cache.pop(f"{normalized}:{use_fahrenheit}", None)
         with self._ru_station_cache_lock:
@@ -899,6 +907,31 @@ class WeatherDataCollector(OpenMeteoCacheMixin, SettlementSourceMixin, MetarSour
         except Exception:
             logger.exception("airport_obs_log append failed for jma city={}", city_lower)
 
+    def _attach_knmi_official_nearby(
+        self, results: Dict, city_lower: str, use_fahrenheit: bool
+    ) -> None:
+        if city_lower != "amsterdam":
+            return
+        rows = self.fetch_knmi_official_nearby(
+            city_lower, use_fahrenheit=use_fahrenheit
+        )
+        if not rows:
+            return
+        results["knmi_official_nearby"] = rows
+        if "mgm_nearby" not in results:
+            results["mgm_nearby"] = rows
+        results["nearby_source"] = "knmi"
+        try:
+            row = rows[0] if rows else {}
+            DBManager().append_airport_obs(
+                icao=str(row.get("icao") or "EHAM"),
+                city=city_lower,
+                temp_c=row.get("temp"),
+                obs_time=str(row.get("obs_time") or datetime.now().isoformat()),
+            )
+        except Exception:
+            logger.exception("airport_obs_log append failed for knmi city={}", city_lower)
+
     def _attach_fmi_official_nearby(
         self, results: Dict, city_lower: str, use_fahrenheit: bool
     ) -> None:
@@ -1086,6 +1119,7 @@ class WeatherDataCollector(OpenMeteoCacheMixin, SettlementSourceMixin, MetarSour
                     self._attach_china_official_nearby(results, city_lower, use_fahrenheit)
                     self._attach_japan_official_nearby(results, city_lower, use_fahrenheit)
                     self._attach_fmi_official_nearby(results, city_lower, use_fahrenheit)
+                    self._attach_knmi_official_nearby(results, city_lower, use_fahrenheit)
                     self._attach_russia_official_nearby(results, city_lower, use_fahrenheit)
                     if city_lower == "warsaw":
                         self._attach_warsaw_official_nearby(results, use_fahrenheit)
@@ -1129,6 +1163,7 @@ class WeatherDataCollector(OpenMeteoCacheMixin, SettlementSourceMixin, MetarSour
                     self._attach_china_official_nearby(results, city_lower, use_fahrenheit)
                     self._attach_japan_official_nearby(results, city_lower, use_fahrenheit)
                     self._attach_fmi_official_nearby(results, city_lower, use_fahrenheit)
+                    self._attach_knmi_official_nearby(results, city_lower, use_fahrenheit)
                     self._attach_russia_official_nearby(results, city_lower, use_fahrenheit)
                     if city_lower == "warsaw":
                         self._attach_warsaw_official_nearby(results, use_fahrenheit)