Phase 0.3: Update E2E tests for cleanup

- Delete counter.spec.ts and random-jobs.spec.ts
- Rewrite permissions.spec.ts for new permission structure
- Update scripts/e2e.sh: remove worker.py execution
- Update generated api.ts types

scripts/e2e.sh

@@ -6,7 +6,6 @@ cd "$(dirname "$0")/.."
 # Cleanup function to kill background processes
 cleanup() {
     kill $BACKEND_PID 2>/dev/null || true
-    kill $WORKER_PID 2>/dev/null || true
 }
 
 # Ensure cleanup runs on exit (normal, error, or interrupt)
@@ -33,10 +32,6 @@ cd ..
 cd backend
 uv run uvicorn main:app --port 8000 --log-level warning &
 BACKEND_PID=$!
-
-# Start worker for job processing
-uv run python worker.py &
-WORKER_PID=$!
 cd ..
 
 # Wait for backend