feat(M3.4): 后台查询接口 (v0.2.4)

docs/QUICK_REF.md

@@ -7,7 +7,7 @@
 ## 版本速查
 
 ### 当前版本
-`0.2.3` → 下一目标 `0.2.4` ([M3.4](./M3.md))
+`0.2.4` → 下一目标 `0.2.5` ([M3.5](./M3.md))
 
 ### 模块版本范围
 

docs/README.md

@@ -65,9 +65,9 @@ M11.10完成 → 1.0.0 (正式发布)
 
 ## 当前状态
 
-**当前版本**: `0.2.3`  
-**当前进度**: 17/97 (18%)  
-**下一任务**: [M3.4 后台查询接口](./M3.md#m34-后台查询接口--目标版本-024)
+**当前版本**: `0.2.4`  
+**当前进度**: 18/97 (19%)  
+**下一任务**: [M3.5 结果展示组件（静态）](./M3.md#m35-结果展示组件静态--目标版本-025)
 
 ---
 

docs/VERSION.md

@@ -39,7 +39,7 @@
 | M3.1 | 0.2.1 | 词典接口基类 | ✅ | 2026-02-11 |
 | M3.2 | 0.2.2 | 词典管理器 | ✅ | 2026-02-11 |
 | M3.3 | 0.2.3 | 必应词典(Mock) | ✅ | 2026-02-11 |
-| M3.4 | 0.2.4 | 后台查询接口 | ⬜ | - |
+| M3.4 | 0.2.4 | 后台查询接口 | ✅ | 2026-02-11 |
 | M3.5 | 0.2.5 | 结果展示组件 | ⬜ | - |
 | M3.6 | 0.2.6 | 点击图标查词(Mock) | ⬜ | - |
 | M3.7 | 0.2.7 | 必应词典真实API | ⬜ | - |

manifest.json

@@ -1,7 +1,7 @@
 {
   "manifest_version": 3,
   "name": "沙拉查词",
-  "version": "0.2.3",
+  "version": "0.2.4",
   "description": "聚合词典划词翻译",
   "permissions": [
     "storage",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "salad-dict",
-  "version": "0.2.3",
+  "version": "0.2.4",
   "description": "聚合词典划词翻译",
   "private": true,
   "type": "module",

src/background/index.js

@@ -1,5 +1,6 @@
 // Background Service Worker
 import { backgroundHandler } from '../shared/messaging.js';
+import { dictionaryManager, bingDictionary } from '../shared/dictionary/index.js';
 
 console.log('[SaladDict] Background service worker started');
 
@@ -11,7 +12,39 @@ chrome.runtime.onInstalled.addListener((details) => {
 // BackgroundHandler 自动初始化消息监听
 console.log('[SaladDict] Message handler initialized');
 
-// 注册自定义消息处理器示例
-backgroundHandler.register('ECHO', async (payload) => {
-  return { echo: payload };
+// 注册词典到管理器
+dictionaryManager.register('bing', bingDictionary);
+console.log('[SaladDict] Registered dictionaries:', dictionaryManager.getNames());
+
+// 注册词典查询处理器
+backgroundHandler.register('DICT.SEARCH', async (payload) => {
+  const { word, dictNames = [] } = payload;
+  
+  console.log('[Background] DICT.SEARCH:', word, dictNames);
+  
+  try {
+    const { results, errors } = await dictionaryManager.search(word, dictNames);
+    
+    console.log('[Background] Search results:', results);
+    if (errors.length > 0) {
+      console.warn('[Background] Search errors:', errors);
+    }
+    
+    return { results, errors };
+  } catch (error) {
+    console.error('[Background] Search failed:', error);
+    throw error;
+  }
 });
+
+// 注册获取词典列表处理器
+backgroundHandler.register('DICT.GET_LIST', async () => {
+  const dictionaries = dictionaryManager.getAll().map(({ name, dictionary }) => ({
+    name,
+    info: dictionary.getInfo()
+  }));
+  
+  return { dictionaries };
+});
+
+console.log('[SaladDict] Message handlers registered');

src/shared/dictionary/index.js

@@ -0,0 +1,8 @@
+/**
+ * @file 词典模块入口
+ * @description 导出词典基类、管理器和具体实现
+ */
+
+export { DictionaryBase, createResult, createMeaning, createExample } from './base.js';
+export { DictionaryManager, dictionaryManager } from './manager.js';
+export { BingDictionary, bingDictionary } from './bing.js';