fix: CI workflow - add setup steps, split test jobs, add coverage upload

.github/workflows/ci.yml

@@ -1,49 +1,187 @@
 name: CI
-on: [push, pull_request]
+
+on:
+  push:
+    branches: [main, develop]
+  pull_request:
+    branches: [main, develop]
+
+env:
+  PYTHON_VERSION: "3.12"
+  NODE_VERSION: "20"
+
 jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - name: Run lint
+
+      - name: Setup Python ${{ env.PYTHON_VERSION }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ env.PYTHON_VERSION }}
+          cache: pip
+          cache-dependency-path: |
+            backend/requirements.txt
+            analytics/requirements.txt
+
+      - name: Setup Node ${{ env.NODE_VERSION }}
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ env.NODE_VERSION }}
+          cache: npm
+          cache-dependency-path: frontend/package-lock.json
+
+      - name: Install Python deps
         run: |
-          # Python lint
+          pip install -r backend/requirements.txt
+          pip install -r analytics/requirements.txt
           pip install ruff
-          ruff check backend/
-          # JS lint
-          npm install eslint
-          npm run lint --prefix frontend/
-
-  test:
+
+      - name: Frontend npm install
+        run: if (Test-Path package-lock.json) { npm ci } else { npm install }
+        working-directory: frontend
+        shell: pwsh
+
+      - name: Lint Python
+        run: ruff check backend/ analytics/
+
+      - name: Lint Frontend
+        run: npm run lint
+        working-directory: frontend
+
+      - name: Type Check Frontend
+        run: npm run typecheck
+        working-directory: frontend
+
+  test-backend:
     runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: backend
     steps:
       - uses: actions/checkout@v4
+
+      - name: Setup Python ${{ env.PYTHON_VERSION }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ env.PYTHON_VERSION }}
+          cache: pip
+          cache-dependency-path: backend/requirements.txt
+
+      - name: Install deps
+        run: pip install -r requirements.txt
+
       - name: Run tests
         run: |
-          # Backend tests
-          pip install pytest pytest-cov
-          pytest backend/tests/ --cov=backend/app --cov-report=xml
-          # Frontend tests
-          npm test --prefix frontend/ -- --coverage
-
-  build:
+          pytest tests/ \
+            --cov=app \
+            --cov-report=xml:../coverage.xml \
+            --cov-report=term-missing \
+            -v
+
+      - name: Upload coverage
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage-backend
+          path: coverage.xml
+
+      - name: Upload coverage
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage-backend
+          path: coverage.xml
+
+  test-analytics:
     runs-on: ubuntu-latest
-    needs: [lint, test]
+    defaults:
+      run:
+        working-directory: analytics
     steps:
       - uses: actions/checkout@v4
-      - name: Build Docker images
+
+      - name: Setup Python ${{ env.PYTHON_VERSION }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ env.PYTHON_VERSION }}
+          cache: pip
+          cache-dependency-path: analytics/requirements.txt
+
+      - name: Install deps
+        run: pip install -r requirements.txt
+
+      - name: Run tests
         run: |
-          docker build -t agentloop-api ./backend
-          docker build -t agentloop-analytics ./analytics
-          docker build -t agentloop-frontend ./frontend
+          pytest tests/ \
+            --cov=app \
+            --cov-report=xml:../coverage.xml \
+            --cov-report=term-missing \
+            -v
+
+      - name: Upload coverage
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage-analytics
+          path: coverage.xml
+
+      - name: Upload coverage
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage-analytics
+          path: coverage.xml
+
+  build:
+    runs-on: ubuntu-latest
+    needs: [lint, test-backend, test-analytics]
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build API image
+        uses: docker/build-push-action@v5
+        with:
+          context: backend
+          push: false
+          tags: agentloop-api:latest
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Build Analytics image
+        uses: docker/build-push-action@v5
+        with:
+          context: analytics
+          push: false
+          tags: agentloop-analytics:latest
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Build Frontend image
+        uses: docker/build-push-action@v5
+        with:
+          context: frontend
+          push: false
+          tags: agentloop-frontend:latest
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
 
   release:
     runs-on: ubuntu-latest
     needs: build
     if: startsWith(github.ref, 'refs/tags/v')
     steps:
       - uses: actions/checkout@v4
+
+      - name: Build release artifacts
+        run: |
+          mkdir -p dist
+          cp README.md dist/
+          cp CHANGELOG.md dist/
+
       - name: Create GitHub Release
-        uses: softprops/action-gh-release@v1
+        uses: softprops/action-gh-release@v2
         with:
-          files: dist/*
+          files: dist/*
+          generate_release_notes: true
+