perf: remove coverage from CI tests for speed

- Remove --cov flags (coverage calculation is slow)
- Add -x flag to stop on first failure
- Simplify frontend test command

This should make tests run much faster in CI.

.gitea/workflows/deploy-dev.yml

@@ -69,10 +69,8 @@ jobs:
         run: |
           cd dashboard/backend
           . venv/bin/activate
-          pytest tests/ -v --timeout=60 \
-            --cov=. --cov-report=xml --cov-report=term \
-            --junit-xml=test-results.xml \
-            --cov-fail-under=49 || true
+          # Run tests without coverage for speed
+          pytest tests/ -v --timeout=60 -x || true
 
           TEST_EXIT_CODE=$?
           if [ $TEST_EXIT_CODE -ne 0 ]; then
@@ -133,7 +131,8 @@ jobs:
           NODE_OPTIONS: "--max-old-space-size=2048"
         run: |
           cd dashboard/frontend
-          npm run test:coverage -- --reporter=verbose --run --pool=forks --poolOptions.forks.maxForks=2 || true
+          # Run tests without coverage for speed
+          npm run test -- --reporter=verbose --run -x || true
 
           TEST_EXIT_CODE=$?
           if [ $TEST_EXIT_CODE -ne 0 ]; then