Show forecast completion state in dashboard panels

frontend/components/dashboard/Dashboard.module.css

@@ -1245,9 +1245,30 @@
 }
 
 .root :global(.forecast-inline-note) {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  margin-bottom: 10px;
+  padding: 8px 10px;
+  border: 1px solid rgba(34, 211, 238, 0.18);
+  border-radius: 8px;
+  color: var(--text-secondary);
+  background: rgba(34, 211, 238, 0.06);
+  font-size: 12px;
   line-height: 1.45;
 }
 
+.root :global(.forecast-inline-note::before) {
+  content: "";
+  width: 8px;
+  height: 8px;
+  flex: 0 0 auto;
+  border-radius: 999px;
+  background: #22d3ee;
+  box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.12);
+  animation: pulseGlow 1.25s ease-in-out infinite;
+}
+
 .root :global(.forecast-day) {
   background: rgba(255, 255, 255, 0.03);
   border: 1px solid var(--border-subtle);
@@ -1287,6 +1308,28 @@
   color: var(--accent-cyan);
 }
 
+.root :global(.forecast-day-sync) {
+  cursor: wait;
+  opacity: 0.76;
+  background:
+    linear-gradient(90deg, rgba(15, 23, 42, 0.86), rgba(30, 41, 59, 0.72), rgba(15, 23, 42, 0.86));
+  background-size: 220% 100%;
+  animation: panelSkeletonSweep 1.35s ease-in-out infinite;
+}
+
+.root :global(.forecast-day-sync .f-temp) {
+  color: var(--text-muted);
+}
+
+@keyframes panelSkeletonSweep {
+  0% {
+    background-position: 120% 0;
+  }
+  100% {
+    background-position: -120% 0;
+  }
+}
+
 @media (max-width: 720px) {
   .root :global(.forecast-table) {
     display: flex;

frontend/components/dashboard/DetailPanel.tsx

@@ -190,6 +190,12 @@ export function DetailPanel() {
   const heroSettlementLabel =
     detail?.current?.settlement_source_label || basicSettlementLabel;
   const heroAirportLabel = detail?.risk?.airport || basicAirportLabel;
+  const isDetailCompleting = Boolean(
+    detail &&
+      (detail.detail_depth !== "full" ||
+        (detail.forecast?.daily?.length ?? 0) <= 1),
+  );
+  const isPanelSyncing = store.loadingState.cityDetail || isDetailCompleting;
 
   const blurActiveElement = () => {
     if (typeof document === "undefined") return;
@@ -309,13 +315,17 @@ export function DetailPanel() {
             </div>
             <h2>{panelDisplayName}</h2>
           </div>
-          {store.loadingState.cityDetail && (
+          {isPanelSyncing && (
             <div className="panel-loading-hint" role="status" aria-live="polite">
               <span className="panel-loading-spinner" aria-hidden="true" />
               <span>
                 {locale === "en-US"
-                  ? `Syncing ${panelDisplayName}...`
-                  : `正在同步 ${panelDisplayName}...`}
+                  ? isDetailCompleting
+                    ? `Completing ${panelDisplayName} cards...`
+                    : `Syncing ${panelDisplayName}...`
+                  : isDetailCompleting
+                    ? `正在补齐 ${panelDisplayName} 卡片...`
+                    : `正在同步 ${panelDisplayName}...`}
               </span>
             </div>
           )}

frontend/components/dashboard/PanelSections.tsx

@@ -993,11 +993,15 @@ export function ModelForecast({
 export function ForecastTable() {
   const store = useDashboardStore();
   const { data } = useCityData();
-  const { t } = useI18n();
+  const { locale, t } = useI18n();
   if (!data) return null;
 
   const daily = data.forecast?.daily || [];
   const isSparseDaily = daily.length <= 1;
+  const isForecastCompleting =
+    store.loadingState.cityDetail ||
+    data.detail_depth !== "full" ||
+    isSparseDaily;
   const resolveForecastTemp = (date: string, fallback: number | null | undefined) => {
     const debPrediction = data.multi_model_daily?.[date]?.deb?.prediction;
     return debPrediction ?? fallback ?? null;
@@ -1006,17 +1010,14 @@ export function ForecastTable() {
     <section className="forecast-section">
       <h3>{t("forecast.title")}</h3>
       {isSparseDaily && (
-        <div
-          className="forecast-inline-note"
-          style={{
-            color: "var(--text-secondary)",
-            fontSize: "12px",
-            marginBottom: "10px",
-          }}
-        >
-          {store.loadingState.cityDetail
-            ? "多日预报同步中，正在刷新完整日序列。"
-            : "当前只收到当日预报，其他日期结果暂未回传。"}
+        <div className="forecast-inline-note">
+          {isForecastCompleting
+            ? locale === "en-US"
+              ? "Multi-day forecast is syncing. Only the current-day card has arrived."
+              : "多日预报同步中，当前只到达当日卡片。"
+            : locale === "en-US"
+              ? "Only the current-day forecast is available right now."
+              : "当前只收到当日预报，其他日期结果暂未回传。"}
         </div>
       )}
       <div className="forecast-table">
@@ -1062,7 +1063,23 @@ export function ForecastTable() {
                 </div>
               </button>
             );
-          })
+          }).concat(
+            isForecastCompleting
+              ? Array.from({ length: Math.max(0, 5 - daily.length) }).map((_, index) => (
+                  <button
+                    key={`forecast-sync-${index}`}
+                    type="button"
+                    className="forecast-day forecast-day-sync"
+                    disabled
+                  >
+                    <div className="f-date">
+                      {locale === "en-US" ? "Syncing" : "同步中"}
+                    </div>
+                    <div className="f-temp">--</div>
+                  </button>
+                ))
+              : [],
+          )
         )}
       </div>
     </section>