feat(desktop): ✨ 实现一些功能

1. 实现了用户阅读画像

2. 实现了全局检索功能

src/main/db/data-source.ts

@@ -2,29 +2,34 @@ import 'reflect-metadata'
 import { DataSource } from 'typeorm'
 import { app } from 'electron'
 import path from 'path'
-import { ReadingReflectionTaskBatch } from '@main/db/entities/ReadingReflectionTaskBatch'
-import { ReadingReflectionTaskItem } from '@main/db/entities/ReadingReflectionTaskItem'
+import { ReadingReflectionTaskBatch } from './entities/ReadingReflectionTaskBatch'
+import { ReadingReflectionTaskItem } from './entities/ReadingReflectionTaskItem'
+import { ReadingPersona } from './entities/ReadingPersona' // 必须导入
 
 const dbPath = app.isPackaged
   ? path.join(app.getPath('userData'), 'reflections.db')
   : path.join(process.cwd(), 'db.sqlite')
-console.log('--- 数据库存储绝对路径 ---')
-console.log(dbPath)
-console.log('-----------------------')
+
 export const AppDataSource = new DataSource({
-  type: 'better-sqlite3',
+  type: 'better-sqlite3', // better-sqlite3 性能优于 sqlite3
   database: dbPath,
-  synchronize: true, // 开发环境下自动同步表结构
-  logging: true,
-  entities: [ReadingReflectionTaskBatch, ReadingReflectionTaskItem],
-  migrations: [],
-  subscribers: []
+  synchronize: true,
+  logging: process.env.NODE_ENV === 'development', // 仅开发环境开启日志
+  entities: [
+    ReadingReflectionTaskBatch,
+    ReadingReflectionTaskItem,
+    ReadingPersona // 注册实体
+  ]
 })
 
-// 初始化方法，在 Electron app.whenReady() 中调用
 export const initDB = async () => {
   if (!AppDataSource.isInitialized) {
-    await AppDataSource.initialize()
-    console.log('TypeORM SQLite Data Source has been initialized!')
+    try {
+      await AppDataSource.initialize()
+      console.log('Database initialized successfully at:', dbPath)
+    } catch (err) {
+      console.error('Error during Data Source initialization', err)
+    }
   }
+  return AppDataSource
 }