feat: #58 Tests E2E Playwright — 44 tests desktop + CI

- playwright.config.ts: chromium-desktop + chromium-mobile
- tests/e2e/obsigate.spec.ts: 44 tests en 11 sections
  - Dashboard & Navigation (8 tests)
  - Full-Text Search (10 tests)
  - File Navigation & Viewer (5 tests)
  - Editor (4 tests: Forge, basic modal, Ctrl+S)
  - Mermaid Diagrams (2 tests)
  - PDF Export, Dark Mode, Responsive, Saved Searches
  - Keyboard Shortcuts (Ctrl+K, /, Escape)
  - Context Menu directory
- CI: nouveau job e2e dans .gitea/workflows/ci.yml
- ROADMAP: #58 marque FAIT
- .gitignore: node_modules, test-results, playwright-report

.gitea/workflows/ci.yml

@@ -99,3 +99,52 @@ jobs:
 
       - name: Verify image
         run: docker images obsigate:ci
+
+  # ── E2E Tests (Playwright) ─────────────────────────────────────────
+  e2e:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20"
+
+      - name: Install Playwright
+        run: |
+          npm ci
+          npx playwright install --with-deps chromium
+
+      - name: Start ObsiGate
+        run: |
+          docker run -d --name obsigate-e2e -p 2020:8080 \
+            -v $(pwd)/test_vault:/vaults/TestVault \
+            -v $(pwd)/test_dir:/vaults/TestDir \
+            -e VAULT_1_NAME=TestVault \
+            -e VAULT_1_PATH=/vaults/TestVault \
+            -e DIR_1_NAME=TestDir \
+            -e DIR_1_PATH=/vaults/TestDir \
+            -e OBSIGATE_AUTH_ENABLED=false \
+            obsigate:ci
+          # Wait for health check
+          for i in $(seq 1 30); do
+            curl -s http://localhost:2020/api/health && break
+            sleep 1
+          done
+
+      - name: Run E2E tests
+        run: npx playwright test --project=chromium-desktop --reporter=list
+
+      - name: Upload test results
+        if: always()
+        uses: actions/upload-artifact@v3
+        with:
+          name: playwright-report
+          path: playwright-report/
+          retention-days: 7
+
+      - name: Cleanup
+        if: always()
+        run: docker rm -f obsigate-e2e