feat: 全景扫描推荐列表分页改为5只/页，支持收起/展开

stock-html/static/css/scan.css

@@ -655,6 +655,32 @@
 .scan-pagination button:disabled { opacity: 0.3; cursor: not-allowed; }
 .scan-pagination span { font-size: 13px; color: var(--text-secondary); }
 
+/* 结果列表可收起 header */
+.full-scan-list-section {
+    margin-top: 8px;
+}
+.scan-list-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    padding: 8px 12px;
+    cursor: pointer;
+    border-radius: 8px;
+    background: rgba(255,255,255,0.03);
+    transition: background 0.15s;
+}
+.scan-list-header:hover { background: rgba(255,255,255,0.06); }
+.scan-list-title {
+    font-size: 13px;
+    font-weight: 600;
+    color: var(--text-secondary);
+}
+.scan-list-title small {
+    font-weight: 400;
+    color: var(--text-muted);
+    margin-left: 4px;
+}
+
 .admin-link-btn {
     display: block;
     text-align: center;

stock-html/static/js/app.js

@@ -86,10 +86,12 @@
                     fullScanLoading: false,
                     fullScanPage: 1,
                     fullScanTotalPages: 1,
+                    fullScanPerPage: 5,           // 每页显示5只股票
                     fullScanFilter: 'all',
                     fullScanFilterTypes: [],
                     fullScanFilterRecommend: '买入',  // 扫描结果打开时缺省显示买入列表；all|买入|加仓|卖出|持有|关注|观察|观望
                     scanSummaryCollapsed: false,
+                    scanResultsCollapsed: false,   // 结果列表可收起
                     fullScanSignalDist: [],
                     
                     // 找牛股（保留兼容）
@@ -2253,7 +2255,7 @@
                         const resp = await axios.get('/api/scan_results', {
                             params: {
                                 page: this.fullScanPage,
-                                per_page: 50,
+                                per_page: this.fullScanPerPage,
                                 min_triggered: minTriggered,
                                 signal_type: signalTypes,
                                 holding_codes: (this.holdingStocks || []).join(','),