fix: E2E port conflict — 2020→2029 + cleanup stale container

- Port 2020 already in use on CI runner
- Changed to port 2029 in CI workflow + playwright config + test
- Added docker rm -f obsigate-e2e before starting

.gitea/workflows/ci.yml

@@ -125,14 +125,15 @@ jobs:
             -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: Start ObsiGate
+              run: |
+                docker rm -f obsigate-e2e 2>/dev/null || true
+                docker run -d --name obsigate-e2e -p 2029:8080             -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:2029/api/health && break
+                  sleep 1
+                done
 
       - name: Run E2E tests
         run: npx playwright test --project=chromium-desktop --reporter=list