fix: stabilize realtime chart axis and redis deployment

docker-compose.yml

@@ -1,6 +1,24 @@
 services:
+  polyweather_redis:
+    image: redis:7-alpine
+    container_name: polyweather_redis
+    command: redis-server --appendonly yes --maxmemory 128mb --maxmemory-policy noeviction
+    restart: unless-stopped
+    healthcheck:
+      interval: 10s
+      retries: 5
+      test:
+      - CMD
+      - redis-cli
+      - ping
+      timeout: 5s
+    volumes:
+    - polyweather_redis_data:/data
   polyweather:
     container_name: polyweather_bot
+    depends_on:
+      polyweather_redis:
+        condition: service_healthy
     logging:
       driver: "json-file"
       options:
@@ -52,10 +70,8 @@ services:
       interval: 30s
       retries: 3
       test:
-      - CMD
-      - wget
-      - -qO-
-      - http://localhost:3000
+      - CMD-SHELL
+      - wget -qO- http://$(hostname):3000
       timeout: 5s
     image: ghcr.io/yangyuan-zhen/polyweather-frontend:${IMAGE_TAG:-latest}
     ports:
@@ -63,6 +79,9 @@ services:
     restart: unless-stopped
   polyweather_web:
     command: python web/app.py
+    depends_on:
+      polyweather_redis:
+        condition: service_healthy
     logging:
       driver: "json-file"
       options:
@@ -90,3 +109,5 @@ services:
 x-polyweather-base:
   env_file: *id001
   image: ghcr.io/yangyuan-zhen/polyweather-backend:${IMAGE_TAG:-latest}
+volumes:
+  polyweather_redis_data:

frontend/components/dashboard/scan-terminal/__tests__/temperatureDefaultVisibilityPolicy.test.ts

@@ -1109,6 +1109,39 @@ export function runTests() {
     "Full-day chart should start at local 00:00 when the DEB hourly path has a midnight point",
   );
 
+  const qingdaoPartialDetailFullDay = __buildTemperatureChartDataForTest(
+    {
+      city: "qingdao",
+      local_date: "2026-05-26",
+      local_time: "11:11",
+      tz_offset_seconds: 8 * 60 * 60,
+      deb_prediction: 22,
+      runway_plate_history: {
+        "16/34": [
+          { time: "2026-05-26T00:05:00+08:00", temp: 23.5 },
+          { time: "2026-05-26T09:28:00+08:00", temp: 19.8 },
+          { time: "2026-05-26T11:11:00+08:00", temp: 19.8 },
+        ],
+      },
+    } as any,
+    {
+      localDate: "2026-05-26",
+      localTime: "11:11",
+      times: ["00:00", "06:00", "09:00", "10:00"],
+      temps: [22, 18.5, 19.1, 19.6],
+      debPrediction: 22,
+    } as any,
+    "1D",
+  );
+  assert(
+    qingdaoPartialDetailFullDay.data[0]?.ts === qingdaoDayStart,
+    "All-day view should keep the local-day start even when Qingdao detail data is partial",
+  );
+  assert(
+    qingdaoPartialDetailFullDay.data.some((point) => point.ts === qingdaoDayEnd - 60 * 60 * 1000),
+    "All-day view should keep an end-of-day axis slot even when Qingdao detail data only reaches the morning",
+  );
+
   const chongqingRolledToNextDay = __buildTemperatureChartDataForTest(
     {
       city: "chongqing",

frontend/components/dashboard/scan-terminal/temperature-chart-logic.ts

@@ -1320,6 +1320,13 @@ function sortedTimeline(timestamps: Iterable<number>) {
   return Array.from(new Set(Array.from(timestamps).filter((ts) => Number.isFinite(ts)))).sort((a, b) => a - b);
 }
 
+function addLocalDayAxisSlots(timeline: Set<number>, bounds: LocalDayBounds | null) {
+  if (!bounds) return;
+  for (let ts = bounds.start; ts < bounds.end; ts += 60 * 60 * 1000) {
+    timeline.add(ts);
+  }
+}
+
 function resolveFullDayFallbackAnchor(
   row: ScanOpportunityRow | null,
   hourly: HourlyForecast,
@@ -1582,6 +1589,7 @@ function buildFullDayChartData(
   finalSettlementObs.forEach((point) => timelineSet.add(point.ts));
   if (!isRunwaySensorAggregateSource) finalMadisObs.forEach((point) => timelineSet.add(point.ts));
   if (shouldRenderMetar) metarObs.forEach((point) => timelineSet.add(point.ts));
+  addLocalDayAxisSlots(timelineSet, localDayBounds);
 
   let debPath: ReturnType<typeof buildDebBaselinePath> | null = null;
   if (hourly?.times?.length && hourly?.temps?.length) {

web/redis_realtime_event_store.py

@@ -18,6 +18,8 @@ from web.realtime_patch_schema import EVENT_TYPE
 DEFAULT_STREAM_KEY = "stream:city_observation"
 DEFAULT_COUNTER_KEY = "counter:city_observation_revision"
 DEFAULT_MAXLEN = 50000
+DEFAULT_SOCKET_TIMEOUT_SECONDS = 15.0
+DEFAULT_SOCKET_CONNECT_TIMEOUT_SECONDS = 5.0
 
 APPEND_EVENT_SCRIPT = """
 local revision = redis.call('INCR', KEYS[2])
@@ -60,6 +62,13 @@ def _int_or_zero(value: Any) -> int:
         return 0
 
 
+def _float_env(name: str, default: float) -> float:
+    try:
+        return float(os.getenv(name) or default)
+    except (TypeError, ValueError):
+        return default
+
+
 class RedisRealtimeEventStore:
     """Persist replayable observation patch events in a Redis Stream."""
 
@@ -94,8 +103,11 @@ class RedisRealtimeEventStore:
         url = redis_url or os.getenv("POLYWEATHER_REDIS_URL") or "redis://127.0.0.1:6379/0"
         client = redis.Redis.from_url(
             url,
-            socket_timeout=5,
-            socket_connect_timeout=5,
+            socket_timeout=_float_env("POLYWEATHER_REDIS_SOCKET_TIMEOUT_SECONDS", DEFAULT_SOCKET_TIMEOUT_SECONDS),
+            socket_connect_timeout=_float_env(
+                "POLYWEATHER_REDIS_SOCKET_CONNECT_TIMEOUT_SECONDS",
+                DEFAULT_SOCKET_CONNECT_TIMEOUT_SECONDS,
+            ),
             health_check_interval=30,
         )
         client.ping()