feat(desktop): ✨ 实现一些功能

1. 实现任务暂停功能

2. 实现页面的国际化功能

3.优化项目的结构以及BUG

4. 优化系统架构

5. 实现一大堆的功能

src/main/services/ai/core/llmService.ts

@@ -1,12 +1,9 @@
 import { ChatOpenAI } from '@langchain/openai'
-import Store from 'electron-store'
-import { CONFIG_STORE_KEY } from '@rpc/constants/store_key'
-
-const StoreClass = (Store as any).default || Store
-const store = new StoreClass({ encryptionKey: CONFIG_STORE_KEY })
+import { configService } from '@main/services/configService'
 
 export const createChatModel = (type: 'reading' | 'summary', schema: any) => {
-  const config = store.get(`chatModels.${type}`) as any
+  const chatModelsConfig = configService.getChatModelsConfig()
+  const config = chatModelsConfig?.[type] as any
   console.log('chatModels', config)
 
   if (!config || !config.apiKey) {

src/main/services/ai/nodes/readingReflectionContent.ts

@@ -4,7 +4,7 @@ import { REFLECTION_CONTENT_PROMPT } from '@main/services/ai/prompts/readingRefl
 import { z } from 'zod'
 import { AppDataSource } from '@main/db/data-source'
 import { ReadingReflectionTaskItem } from '@main/db/entities/ReadingReflectionTaskItem'
-import { createChatModel } from '@main/services/ai/llmService'
+import { createChatModel } from '@main/services/ai/core/llmService'
 
 export const generateReadingReflectionContentNode = async (
   state: typeof ReadingReflectionState.State,

src/main/services/ai/nodes/readingReflectionSummary.ts

@@ -2,7 +2,7 @@ import { PromptTemplate } from '@langchain/core/prompts'
 import { ReadingReflectionState } from '../state/readingReflectionState'
 import { REFLECTION_SUMMARY_PROMPT } from '@main/services/ai/prompts/readingReflactionPrompts'
 import { z } from 'zod'
-import { createChatModel } from '@main/services/ai/llmService'
+import { createChatModel } from '@main/services/ai/core/llmService'
 
 /**
  * 步骤 3：生成摘要和关键词

src/main/services/configService.ts

@@ -0,0 +1,173 @@
+import Store from 'electron-store'
+import { app } from 'electron'
+import path from 'path'
+import crypto from 'crypto'
+
+// 定义配置键名
+const NOTIFICATION_KEY = 'notification'
+const CHAT_MODELS_KEY = 'chatModels'
+const LANGUAGE_KEY = 'language'
+
+/**
+ * 配置服务，负责统一管理应用配置
+ */
+export class ConfigService {
+  private store: Store
+  private encryptionKey: string
+
+  constructor() {
+    // 生成或获取加密密钥
+    this.encryptionKey = this.getOrGenerateEncryptionKey()
+    
+    // 兼容性处理获取 Store 构造函数
+    const StoreClass = (Store as any).default || Store
+    
+    // 创建 Store 实例
+    this.store = new StoreClass({
+      encryptionKey: this.encryptionKey,
+      // 使用更安全的加密算法
+      schema: {
+        [NOTIFICATION_KEY]: {
+          type: 'object',
+          properties: {
+            masterSwitch: { type: 'boolean' },
+            taskCompleted: { type: 'boolean' },
+            taskFailed: { type: 'boolean' },
+            silentMode: { type: 'boolean' }
+          }
+        },
+        [CHAT_MODELS_KEY]: {
+          type: 'object',
+          properties: {
+            reading: { type: 'object' },
+            summary: { type: 'object' }
+          }
+        },
+        [LANGUAGE_KEY]: {
+          type: 'object',
+          properties: {
+            language: { type: 'string', enum: ['zh', 'en', 'ja', 'ko', 'es'] }
+          }
+        }
+      },
+      // 提高加密强度
+      encryptionAlgorithm: 'aes-256-cbc' as any
+    })
+  }
+
+  /**
+   * 生成或获取加密密钥
+   */
+  private getOrGenerateEncryptionKey(): string {
+    // 从安全位置获取或生成密钥
+    // 这里实现一个简单的密钥生成和存储机制
+    const keyPath = path.join(app.getPath('userData'), 'encryption.key')
+    
+    try {
+      // 尝试从文件读取密钥
+      const fs = require('fs')
+      if (fs.existsSync(keyPath)) {
+        return fs.readFileSync(keyPath, 'utf8')
+      }
+      
+      // 如果密钥不存在，生成一个新的随机密钥
+      const newKey = crypto.randomBytes(32).toString('hex')
+      fs.writeFileSync(keyPath, newKey, { mode: 0o600 }) // 设置文件权限，只有所有者可以读写
+      return newKey
+    } catch (error) {
+      // 如果出现错误，使用一个基于应用信息的密钥作为后备
+      console.error('Failed to generate or read encryption key:', error)
+      return this.generateFallbackKey()
+    }
+  }
+
+  /**
+   * 生成后备密钥
+   */
+  private generateFallbackKey(): string {
+    // 基于应用信息生成一个后备密钥
+    const appInfo = `${app.name}-${app.getVersion()}-${app.getPath('userData')}`
+    return crypto.createHash('sha256').update(appInfo).digest('hex')
+  }
+
+  /**
+   * 获取通知配置
+   */
+  getNotificationConfig(): any {
+    return this.store.get(NOTIFICATION_KEY) || {
+      masterSwitch: true,
+      taskCompleted: true,
+      taskFailed: true
+    }
+  }
+
+  /**
+   * 保存通知配置
+   */
+  saveNotificationConfig(config: any): void {
+    this.store.set(NOTIFICATION_KEY, config)
+  }
+
+  /**
+   * 获取聊天模型配置
+   */
+  getChatModelsConfig(): any {
+    const data = this.store.get(CHAT_MODELS_KEY) as { reading?: any; summary?: any } | null
+    
+    // 检查是否包含必要的嵌套 Key，如果没有，说明是旧版本数据
+    if (data && typeof data === 'object' && !data.reading && !data.summary) {
+      console.log('检测到旧版本配置，正在重置...')
+      this.store.delete(CHAT_MODELS_KEY) // 删除旧的根键
+      return null
+    }
+    
+    return data || null
+  }
+
+  /**
+   * 保存聊天模型配置
+   */
+  saveChatModelConfig(type: string, config: any): void {
+    this.store.set(`${CHAT_MODELS_KEY}.${type}`, config)
+  }
+
+  /**
+   * 获取指定键的配置
+   */
+  get(key: string): any {
+    return this.store.get(key)
+  }
+
+  /**
+   * 设置配置
+   */
+  set(key: string, value: any): void {
+    this.store.set(key, value)
+  }
+
+  /**
+   * 删除配置
+   */
+  delete(key: string): void {
+    this.store.delete(key)
+  }
+
+  /**
+   * 获取语言配置
+   */
+  getLanguageConfig(): any {
+    return this.store.get(LANGUAGE_KEY) || {
+      language: 'zh'
+    }
+  }
+
+  /**
+   * 保存语言配置
+   */
+  saveLanguageConfig(config: any): void {
+    this.store.set(LANGUAGE_KEY, config)
+  }
+}
+
+// 导出单例实例
+export const configService = new ConfigService()

src/main/services/notificationService.ts

@@ -0,0 +1,56 @@
+import { Notification } from 'electron'
+import { configService } from '@main/services/configService'
+import { notificationEventEmitter } from '@rpc/router/notice.router'
+
+export class NotificationService {
+  /**
+   * 处理通知逻辑
+   */
+  handleNotification(status: string, progress: number, total: number, index: number, batchId: string): void {
+    // 从配置服务获取用户偏好
+    const config = configService.getNotificationConfig()
+
+    // 如果总开关关闭，直接拦截
+    if (!config.masterSwitch) return
+
+    // 场景 A: 任务全部完成 (100%)
+    if (progress === 100 && config.taskCompleted) {
+      // 只有当所有子任务都完成，或者当前是单任务时才弹出
+      // 如果是批量任务，你可以选择在最后一个子任务完成时通知
+      if (index + 1 === total) {
+        const notification = new Notification({
+          title: '🎉 读书心得已生成',
+          body: total > 1 ? `共 ${total} 篇心得已全部处理完成。` : '您的书籍心得已准备就绪。',
+          silent: config.silentMode
+        })
+
+        notification.show()
+
+        // 监听点击事件
+        notification.on('click', () => {
+          notificationEventEmitter.emit('notification-click', {
+            batchId
+          })
+        })
+      }
+    }
+
+    // 场景 B: 任务失败 (假设你传入的 status 是 'FAILED')
+    if (status === 'FAILED' && config.taskFailed) {
+      const notification = new Notification({
+        title: '❌ 任务生成失败',
+        body: `第 ${index + 1} 项任务执行异常，请检查网络或 API 余额。`,
+        silent: config.silentMode
+      })
+
+      notification.show()
+
+      // 监听点击事件
+      notification.on('click', () => {
+        notificationEventEmitter.emit('notification-click', {
+          batchId
+        })
+      })
+    }
+  }
+}