Add map city detail panel and guard forecast modal

frontend/components/dashboard/FutureForecastModal.tsx

@@ -711,15 +711,18 @@ export function FutureForecastModal() {
   const dateStr = store.futureModalDate;
   const isPro = store.proAccess.subscriptionActive;
   const isProLoading = store.proAccess.loading;
+  const hasModalContext = Boolean(detail && dateStr);
   const [showDeferredTodaySections, setShowDeferredTodaySections] =
     useState(false);
   const [freshMarketScan, setFreshMarketScan] = useState<MarketScan | null>(
     null,
   );
 
-  if (!detail || !dateStr) return null;
-
   useEffect(() => {
+    if (!hasModalContext) {
+      setShowDeferredTodaySections(false);
+      return;
+    }
     setShowDeferredTodaySections(false);
     if (typeof window === "undefined") {
       setShowDeferredTodaySections(true);
@@ -750,23 +753,23 @@ export function FutureForecastModal() {
         clearTimeout(timeoutId);
       }
     };
-  }, [dateStr, detail]);
+  }, [dateStr, detail, hasModalContext]);
 
   const isToday =
     store.forecastModalMode === "today" ||
-    (store.forecastModalMode == null && dateStr === detail.local_date);
-  const detailDepth = detail.detail_depth || "full";
+    (store.forecastModalMode == null && dateStr === detail?.local_date);
+  const detailDepth = detail?.detail_depth || "full";
   const isFullDetailReady = detailDepth === "full";
   const isStructureSyncing =
     store.loadingState.futureDeep || !isFullDetailReady;
   const isAnyLayerSyncing = isStructureSyncing;
   const isTodayBlockingRefresh = isToday && isStructureSyncing;
-  const activeMarketScan = freshMarketScan || detail.market_scan || null;
+  const activeMarketScan = freshMarketScan || detail?.market_scan || null;
 
   useEffect(() => {
     setFreshMarketScan(null);
-    if (!isToday || !isFullDetailReady || !isPro) return;
-    const cityName = String(detail.name || detail.display_name || "").trim();
+    if (!hasModalContext || !isToday || !isFullDetailReady || !isPro) return;
+    const cityName = String(detail?.name || detail?.display_name || "").trim();
     if (!cityName || !dateStr) return;
 
     let cancelled = false;
@@ -777,7 +780,7 @@ export function FutureForecastModal() {
         .getCityMarketScan(cityName, {
           force: false,
           lite: false,
-          marketSlug: detail.market_scan?.primary_market?.slug || null,
+          marketSlug: detail?.market_scan?.primary_market?.slug || null,
           targetDate: dateStr,
         })
         .then((payload) => {
@@ -810,16 +813,19 @@ export function FutureForecastModal() {
     };
   }, [
     dateStr,
-    detail.display_name,
-    detail.local_date,
-    detail.market_scan?.primary_market?.slug,
-    detail.name,
-    detail.updated_at,
+    detail?.display_name,
+    detail?.local_date,
+    detail?.market_scan?.primary_market?.slug,
+    detail?.name,
+    detail?.updated_at,
+    hasModalContext,
     isFullDetailReady,
     isPro,
     isToday,
   ]);
 
+  if (!detail || !dateStr) return null;
+
   const view = getFutureModalView(detail, dateStr, locale);
   const scorePosition = `${50 + view.front.score / 2}%`;
   const barStyle = {

frontend/components/dashboard/ScanTerminalDashboard.tsx

@@ -34,6 +34,7 @@ import {
 import { I18nProvider, useI18n } from "@/hooks/useI18n";
 import { dashboardClient } from "@/lib/dashboard-client";
 import type {
+  CityDetail,
   DistributionPreviewPoint,
   MarketScan,
   PrimarySignal,
@@ -238,6 +239,122 @@ function buildComparisonBuckets(
   ];
 }
 
+function MapCityDetailPanel({ detail }: { detail: CityDetail | null }) {
+  const { locale } = useI18n();
+  const isEn = locale === "en-US";
+
+  if (!detail) {
+    return (
+      <aside className="scan-detail-panel">
+        <div className="scan-empty-state">
+          <div className="scan-empty-title">
+            {isEn ? "Pick a city" : "选择一个城市"}
+          </div>
+          <div className="scan-empty-copy">
+            {isEn ? "The right rail will show city context from the map." : "右侧会展示地图里当前城市的信息。"}
+          </div>
+        </div>
+      </aside>
+    );
+  }
+
+  const cityName = getLocalizedCityName(
+    detail.name,
+    detail.display_name || detail.name,
+    locale,
+  );
+  const tempSymbol = detail.temp_symbol || "°C";
+  const currentTemp = detail.current?.temp;
+  const dayHigh =
+    detail.current?.max_so_far ??
+    detail.airport_current?.max_so_far ??
+    detail.airport_primary?.max_so_far ??
+    null;
+  const airportLabel = getLocalizedAirportName(
+    detail.name,
+    detail.risk?.airport || detail.risk?.icao || "",
+    locale,
+  );
+  const peakLabel =
+    Number.isFinite(Number(detail.peak?.first_h)) && Number.isFinite(Number(detail.peak?.last_h))
+      ? `${String(Number(detail.peak?.first_h)).padStart(2, "0")}:00-${String(
+          Number(detail.peak?.last_h) + 1,
+        ).padStart(2, "0")}:00`
+      : "--";
+
+  return (
+    <aside className="scan-detail-panel">
+      <div className="scan-detail-header">
+        <div className="scan-detail-top">
+          <div className="scan-detail-title-wrap">
+            <div className="scan-detail-city-name">{cityName}</div>
+            <div className="scan-detail-city-sub">
+              {airportLabel || (isEn ? "Airport anchor pending" : "机场锚点待确认")}
+            </div>
+          </div>
+        </div>
+      </div>
+
+      <div className="scan-detail-volume-row">
+        <div>
+          <div className="scan-detail-volume-big">
+            {currentTemp != null
+              ? formatTemperatureValue(currentTemp, tempSymbol)
+              : "--"}
+          </div>
+          <div className="scan-detail-volume-caption">
+            {isEn ? "Current observed temperature" : "当前实测温度"}
+          </div>
+        </div>
+      </div>
+
+      <section className="scan-detail-section">
+        <div className="scan-detail-section-title">
+          {isEn ? "Current Context" : "当前概况"}
+        </div>
+        <div className="scan-kv-list">
+          <div className="scan-kv">
+            <span>{isEn ? "Local Time" : "当前时间"}</span>
+            <strong>{detail.local_time || "--"}</strong>
+          </div>
+          <div className="scan-kv">
+            <span>{isEn ? "Current Temp" : "当前温度"}</span>
+            <strong>
+              {currentTemp != null
+                ? formatTemperatureValue(currentTemp, tempSymbol)
+                : "--"}
+            </strong>
+          </div>
+          <div className="scan-kv">
+            <span>{isEn ? "Day High (So Far)" : "今日最高（至今）"}</span>
+            <strong>
+              {dayHigh != null
+                ? formatTemperatureValue(dayHigh, tempSymbol)
+                : "--"}
+            </strong>
+          </div>
+          <div className="scan-kv">
+            <span>{isEn ? "DEB Forecast" : "DEB 预测"}</span>
+            <strong>
+              {detail.deb?.prediction != null
+                ? formatTemperatureValue(detail.deb.prediction, tempSymbol)
+                : "--"}
+            </strong>
+          </div>
+          <div className="scan-kv">
+            <span>{isEn ? "Peak Window" : "预计峰值"}</span>
+            <strong>{peakLabel}</strong>
+          </div>
+          <div className="scan-kv">
+            <span>{isEn ? "Airport" : "机场锚点"}</span>
+            <strong>{airportLabel || "--"}</strong>
+          </div>
+        </div>
+      </section>
+    </aside>
+  );
+}
+
 function DetailPanel({
   row,
   marketScan,
@@ -788,6 +905,8 @@ function ScanTerminalScreen() {
   }, [selectedRow, detailByRowId]);
 
   const selectedDetail = selectedRow ? detailByRowId[selectedRow.id] : null;
+  const mapFocusedDetail = store.selectedDetail;
+  const mapFocusedCity = store.selectedCity;
   const resolvedView: ContentView =
     activeSection === "markets"
       ? "map"
@@ -982,11 +1101,15 @@ function ScanTerminalScreen() {
           </section>
         </main>
 
-        <DetailPanel
-          row={selectedRow}
-          marketScan={selectedDetail}
-          loading={detailLoadingId === selectedRow?.id}
-        />
+        {resolvedView === "map" && mapFocusedCity ? (
+          <MapCityDetailPanel detail={mapFocusedDetail} />
+        ) : (
+          <DetailPanel
+            row={selectedRow}
+            marketScan={selectedDetail}
+            loading={detailLoadingId === selectedRow?.id}
+          />
+        )}
       </div>
     </div>
   );