diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
new file mode 100644
index 00000000..2bc952b5
--- /dev/null
+++ b/.gitea/workflows/ci.yml
@@ -0,0 +1,154 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  backend:
+    runs-on: ubuntu-latest
+
+    services:
+      postgres:
+        image: pgvector/pgvector:pg16
+        env:
+          POSTGRES_USER: postgres
+          POSTGRES_PASSWORD: postgres
+          POSTGRES_DB: resolutionflow_test
+        ports:
+          - 5432:5432
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+
+    env:
+      DATABASE_URL: postgresql+asyncpg://postgres:postgres@localhost:5432/resolutionflow_test
+      DATABASE_URL_SYNC: postgresql://postgres:postgres@localhost:5432/resolutionflow_test
+      SECRET_KEY: ci-test-secret-key-not-for-production
+      DEBUG: "true"
+      APP_NAME: ResolutionFlow
+      TEST_DB_NAME: resolutionflow_test
+      DB_APP_ROLE_PASSWORD: app_secret_ci
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install dependencies
+        run: pip install -r backend/requirements.txt -r backend/requirements-dev.txt
+
+      - name: Run Alembic migrations
+        run: cd backend && alembic upgrade head
+
+      - name: Check tenant filter enforcement
+        run: cd backend && python scripts/check_tenant_filters.py
+
+      - name: Run tests with coverage
+        run: cd backend && python -m pytest --override-ini="addopts=" --cov=app --cov-report=term-missing --cov-report=json:coverage.json --cov-fail-under=50
+
+      - name: Display coverage summary
+        if: always()
+        run: |
+          cd backend
+          python -c "
+          import json
+          with open('coverage.json') as f:
+              data = json.load(f)
+          total = data['totals']['percent_covered_display']
+          print(f'Total coverage: {total}%')
+          print()
+          print('Module coverage:')
+          for fname, fdata in sorted(data['files'].items()):
+              pct = fdata['summary']['percent_covered_display']
+              if float(pct) < 80:
+                  print(f'  WARNING {fname}: {pct}%')
+              else:
+                  print(f'  OK {fname}: {pct}%')
+          "
+
+  frontend:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install dependencies
+        run: cd frontend && npm ci
+
+      - name: Lint
+        run: cd frontend && npm run lint
+
+      - name: Test with coverage
+        run: cd frontend && npm run test:coverage
+
+      - name: Build
+        run: cd frontend && NODE_OPTIONS="--max-old-space-size=4096" npm run build
+
+      - name: Upload build artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: frontend-dist
+          path: frontend/dist
+          retention-days: 1
+
+  e2e:
+    needs: [frontend]
+    runs-on: ubuntu-latest
+
+    services:
+      postgres:
+        image: pgvector/pgvector:pg16
+        env:
+          POSTGRES_USER: postgres
+          POSTGRES_PASSWORD: postgres
+          POSTGRES_DB: resolutionflow_test
+        ports:
+          - 5432:5432
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+
+    env:
+      PLAYWRIGHT_DATABASE_URL: postgresql+asyncpg://postgres:postgres@127.0.0.1:5432/resolutionflow_test
+      PLAYWRIGHT_DATABASE_URL_SYNC: postgresql://postgres:postgres@127.0.0.1:5432/resolutionflow_test
+      PLAYWRIGHT_API_ORIGIN: http://127.0.0.1:8000
+      PLAYWRIGHT_BASE_URL: http://127.0.0.1:4173
+      PLAYWRIGHT_SECRET_KEY: ci-playwright-secret-key
+      PLAYWRIGHT_TEST_EMAIL: teamadmin@resolutionflow.example.com
+      PLAYWRIGHT_TEST_PASSWORD: TestPass123!
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install backend dependencies
+        run: pip install -r backend/requirements.txt -r backend/requirements-dev.txt
+
+      - name: Install frontend dependencies
+        run: cd frontend && npm ci
+
+      - name: Download frontend build
+        uses: actions/download-artifact@v4
+        with:
+          name: frontend-dist
+          path: frontend/dist
+
+      - name: Install Playwright browser
+        run: cd frontend && npx playwright install --with-deps chromium
+
+      - name: Run Playwright smoke tests
+        run: cd frontend && npm run test:e2e
+
+      - name: Upload Playwright report
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: playwright-report
+          path: |
+            frontend/playwright-report
+            frontend/test-results
+          if-no-files-found: ignore