nginx.conf

server {
    listen 80;
    server_name 9router.local; # Change to your domain

    # Frontend (Static files if built, or proxy to Vite dev server)
    # For production, you should build the frontend and serve it statically:
    # root /path/to/AMRouter/frontend/dist;
    # index index.html;
    # location / {
    #     try_files $uri $uri/ /index.html;
    # }
    
    # Or proxy to frontend dev server (for dev environment)
    location / {
        proxy_pass http://127.0.0.1:5177;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }

    # Backend API and LLM proxy endpoints
    location ~ ^/(api|v1|v1beta) {
        proxy_pass http://127.0.0.1:3001;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        
        # Important for Server-Sent Events (SSE) streaming responses
        proxy_buffering off;
        proxy_cache off;
        # A long answer (genspark MoA/agent runs, reasoning models) can stream for
        # far longer than 5 minutes. When nginx times out mid-stream the client
        # sees the response simply end — indistinguishable from a finished answer,
        # which is the "answer stops by itself" symptom.
        #
        # Ordering matters: this must be LOOSER than every backend guard
        # (GENSPARK_STALL_SEC=240s stall, PROVIDER_STALL_TIMEOUT_MS 600s router
        # watchdog, GENSPARK_MAX_SEC=1800s ceiling). Whichever layer fires
        # first decides what the client sees, and only the backend can report the
        # cut honestly as finish_reason "length" — nginx can only drop the socket.
        proxy_read_timeout 3600s;
        proxy_send_timeout 3600s;
        
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }
}