Frame homepage map and auto-focus top opportunity

frontend/components/dashboard/Dashboard.module.css

@@ -67,12 +67,19 @@
 
 /* ── Map ── */
 .root :global(.map) {
-  width: 100%;
-  height: 100%;
   position: absolute;
-  top: 0;
+  top: calc(var(--header-height) + 16px);
-  left: 0;
+  right: 418px;
+  bottom: 128px;
+  left: calc(var(--sidebar-width) + 30px);
   z-index: 1;
+  overflow: hidden;
+  border: 1px solid rgba(34, 211, 238, 0.12);
+  border-radius: 22px;
+  background: #020617;
+  box-shadow:
+    0 28px 80px rgba(0, 0, 0, 0.38),
+    inset 0 1px 0 rgba(255, 255, 255, 0.05);
 }
 
 .weatherAura {
@@ -890,6 +897,31 @@
   background: rgba(148, 163, 184, 0.1);
 }
 
+.root :global(.home-top-opportunity-label) {
+  display: inline-flex;
+  align-self: flex-start;
+  align-items: center;
+  gap: 7px;
+  padding: 5px 8px;
+  border: 1px solid rgba(34, 211, 238, 0.18);
+  border-radius: 999px;
+  background: rgba(8, 145, 178, 0.1);
+  color: #67e8f9;
+  font-size: 10px;
+  font-weight: 900;
+  letter-spacing: 0.12em;
+  text-transform: uppercase;
+}
+
+.root :global(.home-top-opportunity-label::before) {
+  content: "";
+  width: 6px;
+  height: 6px;
+  border-radius: 999px;
+  background: #22c55e;
+  box-shadow: 0 0 12px rgba(34, 197, 94, 0.72);
+}
+
 .root :global(.home-card-titlebar) {
   display: flex;
   justify-content: space-between;
@@ -1468,6 +1500,10 @@
 }
 
 @media (max-width: 1360px) {
+  .root :global(.map) {
+    right: 18px;
+  }
+
   .root :global(.home-intelligence-panel) {
     display: none;
   }
@@ -1478,6 +1514,11 @@
 }
 
 @media (max-width: 1020px) {
+  .root :global(.map) {
+    left: 18px;
+    bottom: 188px;
+  }
+
   .root :global(.home-opportunity-strip) {
     left: 18px;
     grid-template-columns: 1fr;
@@ -1489,6 +1530,13 @@
 }
 
 @media (max-width: 720px) {
+  .root :global(.map) {
+    inset: var(--header-height) 0 0;
+    border-radius: 0;
+    border-left: 0;
+    border-right: 0;
+  }
+
   .root :global(.home-opportunity-strip) {
     display: none;
   }

frontend/components/dashboard/PolyWeatherDashboard.tsx

@@ -2,7 +2,7 @@
 import clsx from "clsx";
 import dynamic from "next/dynamic";
 import Link from "next/link";
-import { useEffect, useMemo } from "react";
+import { useEffect, useMemo, useRef } from "react";
 import styles from "./Dashboard.module.css";
 import detailChromeStyles from "./DetailPanelChrome.module.css";
 import modalChromeStyles from "./ModalChrome.module.css";
@@ -122,7 +122,13 @@ function buildSnapshot(
     detail?.risk?.level;
   const hitRate = Number(city.deb_recent_hit_rate ?? 0);
   const sampleCount = Number(city.deb_recent_sample_count ?? 0);
+  const edgePercent = Number(detail?.market_scan?.edge_percent);
+  const normalizedEdge =
+    Number.isFinite(edgePercent) && Math.abs(edgePercent) <= 1
+      ? edgePercent * 100
+      : edgePercent;
   const score =
+    (Number.isFinite(normalizedEdge) ? 1000 + normalizedEdge * 10 : 0) +
     (RISK_SCORE[String(tier || "")] || 0) * 100 +
     hitRate * 100 +
     Math.min(sampleCount, 60) / 10;
@@ -288,6 +294,10 @@ function HomeIntelligencePanel({ snapshots }: { snapshots: CitySnapshot[] }) {
         ×
       </button>
 
+      <div className="home-top-opportunity-label">
+        {locale === "en-US" ? "Today’s Top Opportunity" : "今日最佳机会"}
+      </div>
+
       <div className="home-card-titlebar">
         <div>
           <h2>{summary?.display_name || detail?.display_name || city.display_name}</h2>
@@ -520,6 +530,7 @@ function OpportunityStrip({ snapshots }: { snapshots: CitySnapshot[] }) {
 function DashboardScreen() {
   const store = useDashboardStore();
   const { t } = useI18n();
+  const didAutoFocusRef = useRef(false);
   const activeSummary = store.selectedCity
     ? store.citySummariesByName[store.selectedCity] || null
     : null;
@@ -581,6 +592,17 @@ function DashboardScreen() {
   const showHomepageChrome =
     !store.isPanelOpen && !store.historyState.isOpen && !store.futureModalDate;
 
+  useEffect(() => {
+    if (didAutoFocusRef.current) return;
+    if (!showHomepageChrome) return;
+    if (store.selectedCity) return;
+    const topOpportunity = homepageSnapshots[0]?.city.name;
+    if (!topOpportunity) return;
+
+    didAutoFocusRef.current = true;
+    void store.focusCity(topOpportunity);
+  }, [homepageSnapshots, showHomepageChrome, store]);
+
   return (
     <div
       className={clsx(