feat: 新增饮食记录模块，含增删改查及营养汇总功能

src/ai-coach/services/diet-analysis.service.spec.ts

@@ -1,16 +1,16 @@
 import { Test, TestingModule } from '@nestjs/testing';
 import { ConfigService } from '@nestjs/config';
 import { DietAnalysisService } from './diet-analysis.service';
-import { UsersService } from '../../users/users.service';
+import { DietRecordsService } from '../../diet-records/diet-records.service';
 
 describe('DietAnalysisService - Text Analysis', () => {
   let service: DietAnalysisService;
-  let mockUsersService: Partial<UsersService>;
+  let mockDietRecordsService: Partial<DietRecordsService>;
   let mockConfigService: Partial<ConfigService>;
 
   beforeEach(async () => {
     // Mock services
-    mockUsersService = {
+    mockDietRecordsService = {
       addDietRecord: jest.fn().mockResolvedValue({}),
       getDietHistory: jest.fn().mockResolvedValue({ total: 0, records: [] }),
       getRecentNutritionSummary: jest.fn().mockResolvedValue({
@@ -41,7 +41,7 @@ describe('DietAnalysisService - Text Analysis', () => {
     const module: TestingModule = await Test.createTestingModule({
       providers: [
         DietAnalysisService,
-        { provide: UsersService, useValue: mockUsersService },
+        { provide: DietRecordsService, useValue: mockDietRecordsService },
         { provide: ConfigService, useValue: mockConfigService },
       ],
     }).compile();
@@ -57,7 +57,7 @@ describe('DietAnalysisService - Text Analysis', () => {
     it('should build a proper prompt for text analysis', () => {
       // 通过反射访问私有方法进行测试
       const prompt = (service as any).buildTextDietAnalysisPrompt('breakfast');
-      
+
       expect(prompt).toContain('作为专业营养分析师');
       expect(prompt).toContain('breakfast');
       expect(prompt).toContain('shouldRecord');
@@ -130,12 +130,12 @@ describe('DietAnalysisService - Text Analysis', () => {
       };
 
       const result = await service.processDietRecord('test-user-id', mockAnalysisResult);
-      
+
       expect(result).toBeDefined();
       expect(result?.foodName).toBe('燕麦粥');
       expect(result?.source).toBe('manual'); // 文本记录应该是manual源
       expect(result?.imageUrl).toBeUndefined();
-      expect(mockUsersService.addDietRecord).toHaveBeenCalledWith('test-user-id', expect.objectContaining({
+      expect(mockDietRecordsService.addDietRecord).toHaveBeenCalledWith('test-user-id', expect.objectContaining({
         foodName: '燕麦粥',
         source: 'manual'
       }));
@@ -164,7 +164,7 @@ describe('DietAnalysisService - Text Analysis', () => {
       };
 
       const result = await service.processDietRecord('test-user-id', mockAnalysisResult, 'https://example.com/image.jpg');
-      
+
       expect(result).toBeDefined();
       expect(result?.foodName).toBe('鸡胸肉沙拉');
       expect(result?.source).toBe('vision'); // 有图片URL应该是vision源