remote control problem

drive/etc/nginx/snippets/drive.conf

@@ -1,15 +1,16 @@
 
-  location /drive/ {
+  location ^~ /drive/ {
     alias /opt/helva-robot/drive/var/www/drive/;
     try_files $uri $uri/ /drive/index.html;
   }
 
-  location /drive-ws {
+  location = /drive-ws {
     proxy_pass http://127.0.0.1:8002/ws;
     proxy_http_version 1.1;
     proxy_set_header Upgrade $http_upgrade;
     proxy_set_header Connection "Upgrade";
     proxy_set_header Host $host;
+    proxy_read_timeout 3600;
   }
 
   location /drive-health {

drive/opt/drive-ctl/server.py

@@ -5,7 +5,7 @@ import serial
 from fastapi import FastAPI, WebSocket, WebSocketDisconnect
 from fastapi.responses import HTMLResponse
 
-SERIAL_PORT = "/dev/ttyACM0"   # ggf. /dev/ttyUSB0
+SERIAL_PORT = "/dev/serial/by-id/usb-1a86_USB2.0-Serial-if00-port0"   # ggf. /dev/ttyUSB0
 BAUD = 115200
 
 # Safety: if websocket stops sending, we also stop.
@@ -30,7 +30,7 @@ def send_lr(l: int, r: int):
 def health():
   return {"ok": True, "serial": SERIAL_PORT}
 
-@app.websocket("/ws")
+@app.websocket("/drive-ws")
 async def ws(websocket: WebSocket):
   global last_msg_ts
   await websocket.accept()