fix: correct IP assignment and enhance socketio initialization

routes/esp_routes.py

@@ -24,7 +24,7 @@ def esp_online():
     sender_ip = request.headers.get('X-Forwarded-For', request.remote_addr)
     esp_ip = data.get("ip", "unknown")
 
-    esp_conn_infos["ip_local"] = esp_ip
+    esp_conn_infos["ip_local"] = esp_ip[0]
     esp_conn_infos["ip_global"] = sender_ip
     esp_conn_infos["last_seen"] = datetime.now()
     esp_conn_infos["connection_valid"] = True

server.py

@@ -19,7 +19,7 @@ MQTT_TOPIC_SEND = "coffee/command"
 app = Flask(__name__, static_url_path='/unsecure/static')
 app.config['SECRET_KEY'] = 'super-secret-key'
 
-socketio.init_app(app)
+socketio.init_app(app, cors_allowed_origins="*", async_mode='threading')
 
 
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