Adjusted `check_frontend.sh` and `restart_all.sh` to use `systemctl` for the ML backend and direct process management for the frontend, resolving issues with incorrect Python environments and process termination.
Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 7a657272-55ba-4a79-9a2e-f1ed9bc7a528
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: cb6e0872-24a9-4a4b-a053-9491c053b13f
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/449cf7c4-c97a-45ae-8234-e5c5b8d6a84f/7a657272-55ba-4a79-9a2e-f1ed9bc7a528/4aeldgV