修复图表时间轴不全与城市决策卡模型补齐卡顿

- 后端 Open-Meteo 请求加 past_days=1，小时数据从 00:00 开始
- 前端图表层填充完整 00:00-23:00 时间轴，缺失时段置空
- 城市深度分析门槛从 >1 降为 >=1，单模型城市不再被拦
- hydration 队列加最大重试 3 次，防止永久卡在等待模型补齐
- 移除右侧面板历史对账按钮

frontend/components/dashboard/scan-terminal/city-detail-utils.ts

@@ -47,8 +47,8 @@ export function isFullEnoughForDeepAnalysis(detail?: CityDetail | null) {
     return false;
   }
   return (
-    countDetailModels(detail, detail.local_date) > 1 &&
-    countDetailForecastDays(detail) > 1
+    countDetailModels(detail, detail.local_date) >= 1 &&
+    countDetailForecastDays(detail) >= 1
   );
 }
 

frontend/components/dashboard/scan-terminal/use-ai-pinned-city-workspace.ts

@@ -30,6 +30,7 @@ export function useAiPinnedCityWorkspace({
   const aiFullHydrationRef = useRef<Set<string>>(new Set());
   const aiHydrationQueueRef = useRef<string[]>([]);
   const aiHydrationRunningRef = useRef(false);
+  const aiHydrationRetriesRef = useRef<Map<string, number>>(new Map());
 
   const runAiHydrationQueue = useCallback(async () => {
     if (aiHydrationRunningRef.current) return;
@@ -47,10 +48,22 @@ export function useAiPinnedCityWorkspace({
             "full",
           );
           if (!isFullEnoughForDeepAnalysis(detail)) {
-            aiFullHydrationRef.current.delete(key);
+            const retries = aiHydrationRetriesRef.current.get(key) || 0;
+            if (retries >= 3) {
+              aiFullHydrationRef.current.delete(key);
+              aiHydrationRetriesRef.current.delete(key);
+            } else {
+              aiHydrationRetriesRef.current.set(key, retries + 1);
+            }
           }
         } catch {
-          aiFullHydrationRef.current.delete(key);
+          const retries = aiHydrationRetriesRef.current.get(key) || 0;
+          if (retries >= 3) {
+            aiFullHydrationRef.current.delete(key);
+            aiHydrationRetriesRef.current.delete(key);
+          } else {
+            aiHydrationRetriesRef.current.set(key, retries + 1);
+          }
         }
       }
     } finally {
@@ -132,6 +145,8 @@ export function useAiPinnedCityWorkspace({
     aiPinnedCities.forEach((item) => {
       const key = normalizeCityKey(item.cityName);
       if (!key || aiFullHydrationRef.current.has(key)) return;
+      const retries = aiHydrationRetriesRef.current.get(key) || 0;
+      if (retries >= 3) return;
       const detail = findDetailForCity(store.cityDetailsByName, item.cityName);
       const needsFullHydration = !isFullEnoughForDeepAnalysis(detail);
       if (!needsFullHydration) return;