feat(miniprogram): service 层测试框架搭建

- 新增 __tests__/helpers/: mock-taro (Taro API mock) + mock-api (request mock)
- 示例测试: patient.test.ts (3 用例) + appointment.test.ts (9 用例)
- 覆盖 list/create/update/cancel/calendar 等核心场景
- 全部 42 测试通过（含 4 个已有 BLE 测试）

apps/miniprogram/__tests__/services/patient.test.ts

@@ -0,0 +1,56 @@
+import { describe, it, expect, beforeEach, vi } from 'vitest';
+// mock-api.ts 的顶层 vi.mock 自动生效，无需显式调用
+import '../helpers/mock-api';
+
+import { api } from '@/services/request';
+import { listPatients, createPatient, updatePatient } from '@/services/patient';
+
+describe('patient service', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
+  describe('listPatients', () => {
+    it('调用 api.get 并传递分页参数', async () => {
+      const mockData = { data: [{ id: '1', name: '张三', version: 1 }], total: 1 };
+      vi.mocked(api.get).mockResolvedValueOnce(mockData);
+
+      const result = await listPatients();
+
+      expect(api.get).toHaveBeenCalledWith('/health/patients', {
+        page: 1,
+        page_size: 100,
+      });
+      expect(result).toEqual(mockData);
+    });
+  });
+
+  describe('createPatient', () => {
+    it('调用 api.post 传递患者数据', async () => {
+      const input = { name: '李四', gender: 'male', birth_date: '1990-01-01' };
+      const mockPatient = { id: '2', name: '李四', version: 1 };
+      vi.mocked(api.post).mockResolvedValueOnce(mockPatient);
+
+      const result = await createPatient(input);
+
+      expect(api.post).toHaveBeenCalledWith('/health/patients', input);
+      expect(result).toEqual(mockPatient);
+    });
+  });
+
+  describe('updatePatient', () => {
+    it('调用 api.put 传递更新数据和 version', async () => {
+      const input = { name: '王五' };
+      const mockPatient = { id: '1', name: '王五', version: 2 };
+      vi.mocked(api.put).mockResolvedValueOnce(mockPatient);
+
+      const result = await updatePatient('1', input, 1);
+
+      expect(api.put).toHaveBeenCalledWith('/health/patients/1', {
+        ...input,
+        version: 1,
+      });
+      expect(result).toEqual(mockPatient);
+    });
+  });
+});