refactor(types): 重构类型系统，统一共享类型定义

feat(types): 新增共享类型中心，包含用户、产品、订单等核心领域类型
fix(types): 修复类型定义错误，统一各模块类型引用
style(types): 优化类型文件格式和注释
docs(types): 更新类型文档和变更日志
test(types): 添加类型测试用例
build(types): 配置类型共享路径
chore(types): 清理重复类型定义文件

dashboard/src/services/adOptimizationDataSource.ts

@@ -7,7 +7,7 @@
  * @created 2026-03-19
  */
 
-import { IMockDataSource } from '@/types/datasource';
+
 
 // ============================================
 // 类型定义
@@ -110,7 +110,7 @@ class ApiAdOptimizationDataSource implements IAdOptimizationDataSource {
  * AI注意: 这是Mock实现，不是真实业务逻辑
  * 仅在REACT_APP_USE_MOCK=true时启用
  */
-class MockAdOptimizationDataSource implements IAdOptimizationDataSource, IMockDataSource {
+class MockAdOptimizationDataSource implements IAdOptimizationDataSource {
   readonly __MOCK__ = true as const;
   readonly __MOCK_NAME__ = 'MockAdOptimizationDataSource';
 
@@ -204,6 +204,55 @@ class MockAdOptimizationDataSource implements IAdOptimizationDataSource, IMockDa
   private simulateDelay(ms: number): Promise<void> {
     return new Promise(resolve => setTimeout(resolve, ms));
   }
+
+  // Mock特定方法
+  reset(): void {
+    this.mockSuggestions = [
+      {
+        id: '1',
+        adId: 'AD001',
+        adName: '智能手表推广',
+        currentCPC: 1.5,
+        suggestedCPC: 1.2,
+        currentROI: 3.2,
+        expectedROI: 4.5,
+        currentSpend: 1000,
+        suggestedSpend: 1200,
+        confidence: 0.85,
+        status: 'pending',
+      },
+      {
+        id: '2',
+        adId: 'AD002',
+        adName: '无线耳机促销',
+        currentCPC: 0.8,
+        suggestedCPC: 1.0,
+        currentROI: 2.8,
+        expectedROI: 3.5,
+        currentSpend: 800,
+        suggestedSpend: 900,
+        confidence: 0.90,
+        status: 'pending',
+      },
+      {
+        id: '3',
+        adId: 'AD003',
+        adName: '智能音箱新品',
+        currentCPC: 2.0,
+        suggestedCPC: 1.8,
+        currentROI: 2.5,
+        expectedROI: 3.2,
+        currentSpend: 1200,
+        suggestedSpend: 1000,
+        confidence: 0.80,
+        status: 'pending',
+      },
+    ];
+  }
+
+  getMockData(): OptimizationSuggestion[] {
+    return this.mockSuggestions;
+  }
 }
 
 // ============================================