更友好的跳转日期 #256；修复聊天记录显示不完整 #254；修复聊天 tab 对话页面“向下滚动查看更新消息”失效 #253

electron/main.ts

@@ -903,6 +903,9 @@ function registerIpcHandlers() {
   ipcMain.handle('chat:getAllVoiceMessages', async (_, sessionId: string) => {
     return chatService.getAllVoiceMessages(sessionId)
   })
+  ipcMain.handle('chat:getMessageDates', async (_, sessionId: string) => {
+    return chatService.getMessageDates(sessionId)
+  })
   ipcMain.handle('chat:resolveVoiceCache', async (_, sessionId: string, msgId: string) => {
     return chatService.resolveVoiceCache(sessionId, msgId)
   })