feat(mock): 完善涨停分析 Mock 数据结构

- 新增午盘、尾盘涨停数量统计
- 添加 chart_data 字段支持板块分布饼图

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/mocks/handlers/limitAnalyse.js

@@ -216,24 +216,39 @@ const generateDailyAnalysis = (date) => {
 
     // 统计数据
     const morningCount = Math.floor(totalStocks * 0.35); // 早盘涨停
+    const middayCount = Math.floor(totalStocks * 0.25);  // 午盘涨停
+    const afternoonCount = totalStocks - morningCount - middayCount; // 尾盘涨停
     const announcementCount = sectorData['公告']?.count || 0;
     const topSector = sectorNames.filter(s => s !== '公告' && s !== '其他')
         .reduce((max, name) =>
             (sectorData[name]?.count || 0) > (sectorData[max]?.count || 0) ? name : max
         , '人工智能');
 
+    // 生成 chart_data（板块分布饼图需要）
+    const sortedSectors = Object.entries(sectorData)
+        .filter(([name]) => name !== '其他' && name !== '公告')
+        .sort((a, b) => b[1].count - a[1].count)
+        .slice(0, 10);
+
+    const chartData = {
+        labels: sortedSectors.map(([name]) => name),
+        counts: sortedSectors.map(([, info]) => info.count)
+    };
+
     return {
         date: date,
         total_stocks: totalStocks,
         total_sectors: Object.keys(sectorData).length,
         sector_data: sectorData,  // 👈 SectorDetails 组件需要的数据
+        chart_data: chartData,    // 👈 板块分布饼图需要的数据
         summary: {
             top_sector: topSector,
             top_sector_count: sectorData[topSector]?.count || 0,
             announcement_stocks: announcementCount,
             zt_time_distribution: {
                 morning: morningCount,
-                afternoon: totalStocks - morningCount,
+                midday: middayCount,
+                afternoon: afternoonCount,
             }
         }
     };
@@ -382,6 +397,22 @@ const generateDailyJson = (date) => {
         { name: '区块链', value: Math.floor(Math.random() * 5) + 2 },
     ];
 
+    // 生成 chart_data（板块分布饼图需要）
+    const sortedSectors = Object.entries(sectorData)
+        .filter(([name]) => name !== '其他' && name !== '公告')
+        .sort((a, b) => b[1].count - a[1].count)
+        .slice(0, 10);
+
+    const chartData = {
+        labels: sortedSectors.map(([name]) => name),
+        counts: sortedSectors.map(([, info]) => info.count)
+    };
+
+    // 时间分布（早盘、午盘、尾盘）
+    const morningCount = Math.floor(stocks.length * 0.35);
+    const middayCount = Math.floor(stocks.length * 0.25);
+    const afternoonCount = stocks.length - morningCount - middayCount;
+
     return {
         date: date,
         total_stocks: stocks.length,
@@ -389,13 +420,15 @@ const generateDailyJson = (date) => {
         stocks: stocks,
         sector_data: sectorData,
         word_freq_data: wordFreqData,
+        chart_data: chartData,  // 👈 板块分布饼图需要的数据
         summary: {
             top_sector: '人工智能',
             top_sector_count: sectorData['人工智能']?.count || 0,
             announcement_stocks: sectorData['公告']?.count || 0,
             zt_time_distribution: {
-                morning: Math.floor(stocks.length * 0.4),
+                morning: morningCount,      // 早盘 9:30-11:30
-                afternoon: Math.floor(stocks.length * 0.6),
+                midday: middayCount,        // 午盘 11:30-13:00
+                afternoon: afternoonCount,  // 尾盘 13:00-15:00
             }
         }
     };