fix(mock): 修复 periodComparison 数据结构

- 将 periodComparison 从对象格式改为数组格式
- 匹配 ComparisonAnalysis 组件期望的数据结构
- 修复"盈利与利润趋势"图表无法显示的问题

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

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

src/mocks/data/financial.js

@@ -366,35 +366,50 @@ export const generateFinancialData = (stockCode) => {
             }
         ],
 
-        // 期间对比
-        periodComparison: {
-            periods: ['Q3-2024', 'Q2-2024', 'Q1-2024', 'Q4-2023'],
-            metrics: [
-                {
-                    name: '营业收入',
-                    unit: '百万元',
-                    values: [41500, 40800, 40200, 40850],
-                    yoy: [8.2, 7.8, 8.5, 9.2]
-                },
-                {
-                    name: '净利润',
-                    unit: '百万元',
-                    values: [13420, 13180, 13050, 13210],
-                    yoy: [12.5, 11.2, 10.8, 12.3]
-                },
-                {
-                    name: 'ROE',
-                    unit: '%',
-                    values: [16.23, 15.98, 15.75, 16.02],
-                    yoy: [1.2, 0.8, 0.5, 1.0]
-                },
-                {
-                    name: 'EPS',
-                    unit: '元',
-                    values: [0.69, 0.68, 0.67, 0.68],
-                    yoy: [12.3, 11.5, 10.5, 12.0]
+        // 期间对比 - 营收与利润趋势数据
+        periodComparison: [
+            {
+                period: '2024-09-30',
+                performance: {
+                    revenue: 41500000000,   // 415亿
+                    net_profit: 13420000000  // 134.2亿
                 }
-            ]
-        }
+            },
+            {
+                period: '2024-06-30',
+                performance: {
+                    revenue: 40800000000,   // 408亿
+                    net_profit: 13180000000  // 131.8亿
+                }
+            },
+            {
+                period: '2024-03-31',
+                performance: {
+                    revenue: 40200000000,   // 402亿
+                    net_profit: 13050000000  // 130.5亿
+                }
+            },
+            {
+                period: '2023-12-31',
+                performance: {
+                    revenue: 40850000000,   // 408.5亿
+                    net_profit: 13210000000  // 132.1亿
+                }
+            },
+            {
+                period: '2023-09-30',
+                performance: {
+                    revenue: 38500000000,   // 385亿
+                    net_profit: 11920000000  // 119.2亿
+                }
+            },
+            {
+                period: '2023-06-30',
+                performance: {
+                    revenue: 37800000000,   // 378亿
+                    net_profit: 11850000000  // 118.5亿
+                }
+            }
+        ]
     };
 };