Split e2e tests into manual workflow_dispatch workflow

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.github/workflows/ci.yml

@@ -68,31 +68,4 @@ jobs:
         working-directory: frontend
       - name: Run tests
         run: npm test
-        working-directory: frontend
-
-  e2e-tests:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5  # v4.3.1
-        with:
-          persist-credentials: false
-      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020  # v4.4.0
-        with:
-          node-version: "24"
-      - name: Install dependencies
-        run: npm ci
-        working-directory: frontend
-      - name: Install Playwright browsers
-        run: npx playwright install --with-deps chromium
-        working-directory: frontend
-      - name: Run e2e tests
-        run: npm run test:e2e
-        working-directory: frontend
-        env:
-          E2E_API_URL: http://192.168.1.10:8100
-      - name: Upload Playwright report
-        if: failure()
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02  # v4.6.2
-        with:
-          name: playwright-report
-          path: frontend/playwright-report/
+        working-directory: frontend