feat: implement runway observations monitoring panel and Telegram alert utilities

frontend/components/dashboard/monitoring/monitor-refresh-policy.ts

@@ -1,5 +1,5 @@
 export const MONITOR_CITY_DETAIL_DEPTH = "panel" as const;
-export const MONITOR_REFRESH_INTERVAL_MS = 60_000;
+export const MONITOR_REFRESH_INTERVAL_MS = 300_000;
 
 export type MonitorRefreshTrigger = "initial" | "interval";
 

frontend/components/dashboard/scan-terminal/RunwayObservationsPanel.tsx

@@ -165,7 +165,7 @@ export function RunwayObservationsPanel() {
           ensureCityDetail(city.key, true, "panel"),
         ),
       );
-    }, 60_000);
+    }, 300_000);
     return () => {
       if (intervalRef.current) clearInterval(intervalRef.current);
     };

src/utils/telegram_push.py

@@ -771,25 +771,25 @@ def _get_airport_daily_high(city_weather: Dict[str, Any]):
 
 # Per-city push interval — unified to 60s, obs_time dedup prevents spam
 _AIRPORT_PUSH_INTERVAL = {
-    "seoul": 60,
-    "busan": 60,
-    "tokyo": 60,
-    "ankara": 60,
-    "helsinki": 60,
-    "amsterdam": 60,
-    "istanbul": 60,
-    "paris": 60,
-    "hong kong": 60,
-    "lau fau shan": 60,
-    "taipei": 60,
-    "beijing": 60,
-    "shanghai": 60,
-    "guangzhou": 60,
-    "shenzhen": 60,
-    "qingdao": 60,
-    "chengdu": 60,
-    "chongqing": 60,
-    "wuhan": 60,
+    "seoul": 300,
+    "busan": 300,
+    "tokyo": 300,
+    "ankara": 300,
+    "helsinki": 300,
+    "amsterdam": 300,
+    "istanbul": 300,
+    "paris": 300,
+    "hong kong": 300,
+    "lau fau shan": 300,
+    "taipei": 300,
+    "beijing": 300,
+    "shanghai": 300,
+    "guangzhou": 300,
+    "shenzhen": 300,
+    "qingdao": 300,
+    "chengdu": 300,
+    "chongqing": 300,
+    "wuhan": 300,
 }
 # Per-city temperature window threshold (°C below DEB predicted high)
 # Continental airports: wider window (temp rises steadily over land)