test: Phase 0 测试基础设施 — TestApp + MSW + 覆盖率工具 + CI

- TestApp struct 封装 TestDb + HealthState + tenant_id/operator_id
- TestFixture 工厂方法: create_patient/create_doctor/create_schedule/create_appointment
- 前端 MSW v2 handlers (auth) + server setup + vitest 集成
- vitest coverage v8 配置 + test:coverage script
- GitHub Actions CI: backend (check + test + clippy) + frontend (tsc + test + build)

.github/workflows/test.yml

@@ -0,0 +1,78 @@
+name: Test
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  backend-test:
+    runs-on: ubuntu-latest
+    services:
+      postgres:
+        image: postgres:16
+        env:
+          POSTGRES_USER: postgres
+          POSTGRES_PASSWORD: 123123
+          POSTGRES_DB: postgres
+        ports:
+          - 5432:5432
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+
+    env:
+      TEST_DB_URL: postgres://postgres:123123@localhost:5432/postgres
+      JWT_SECRET: test-jwt-secret-for-ci
+      DATABASE_URL: postgres://postgres:123123@localhost:5432/erp_ci
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+
+      - name: Check
+        run: cargo check --workspace
+
+      - name: Run unit tests
+        run: cargo test --workspace --lib --bins -- --test-threads=2
+
+      - name: Run integration tests
+        run: cargo test -p erp-server --test integration -- --test-threads=1
+
+      - name: Clippy
+        run: cargo clippy --workspace -- -D warnings
+
+  frontend-test:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: apps/web
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 10
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: pnpm
+          cache-dependency-path: apps/web/pnpm-lock.yaml
+
+      - run: pnpm install --frozen-lockfile
+
+      - name: TypeScript check
+        run: npx tsc --noEmit
+
+      - name: Run unit tests
+        run: pnpm test -- --run
+
+      - name: Build
+        run: pnpm build