feat(ci): add Gitea Actions test workflow

.gitea/workflows/test.yml

@@ -0,0 +1,80 @@
+name: Test
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - uses: pnpm/action-setup@v4
+        with:
+          version: latest
+
+      - uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: '1.95.0'
+
+      - name: Cache Cargo
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            backend/target
+          key: cargo-${{ hashFiles('backend/Cargo.lock') }}
+          restore-keys: cargo-
+
+      - name: Cache pnpm store
+        uses: actions/cache@v4
+        with:
+          path: ~/.local/share/pnpm/store
+          key: pnpm-${{ hashFiles('frontend/pnpm-lock.yaml') }}
+          restore-keys: pnpm-
+
+      - name: Install frontend deps
+        run: pnpm --dir frontend install --frozen-lockfile
+
+      - name: Install Playwright browsers
+        run: pnpm --dir frontend exec playwright install --with-deps chromium
+
+      - name: Type check (backend)
+        run: cargo check --manifest-path backend/Cargo.toml
+
+      - name: Type check (frontend)
+        run: pnpm --dir frontend exec tsgo --version && pnpm --dir frontend check
+
+      - name: Unit tests (backend)
+        run: cargo test --manifest-path backend/Cargo.toml
+
+      - name: Build frontend
+        run: pnpm --dir frontend build
+
+      - name: E2E tests
+        env:
+          TT_TEST_PORT_RANDOM: '1'
+        run: |
+          make test-up
+          pnpm --dir frontend test:e2e
+
+      - name: Stop test backend
+        if: always()
+        run: make test-down || true
+
+      - name: Upload test results
+        if: failure()
+        uses: actions/upload-artifact@v4
+        with:
+          name: playwright-results
+          path: |
+            frontend/test-results/
+            frontend/playwright-report/
+          retention-days: 7