feat(group-analytics): 新增并极致优化群成员详细分析与图表呈现功能

electron/main.ts

@@ -2139,6 +2139,13 @@ function registerIpcHandlers() {
     return groupAnalyticsService.getGroupMediaStats(chatroomId, startTime, endTime)
   })
 
+  ipcMain.handle(
+    'groupAnalytics:getGroupMemberAnalytics',
+    async (_, chatroomId: string, memberUsername: string, startTime?: number, endTime?: number) => {
+      return groupAnalyticsService.getGroupMemberAnalytics(chatroomId, memberUsername, startTime, endTime)
+    }
+  )
+
   ipcMain.handle(
     'groupAnalytics:getGroupMemberMessages',
     async (