fix: do not double JSON encode

ref: N25B-242

src/control_backend/api/v1/endpoints/logs.py

@@ -3,7 +3,6 @@ import logging
 import zmq
 from fastapi import APIRouter
 from fastapi.responses import StreamingResponse
-from pyjabber.server_parameters import json
 from zmq.asyncio import Context
 
 from control_backend.core.config import settings
@@ -15,6 +14,8 @@ router = APIRouter()
 
 @router.get("/logs/stream")
 async def log_stream():
+    # DO NOT LOG in this function, or you'll get recursive logs. If you need it for debugging, use
+    # the built-in `print()`
     context = Context.instance()
     socket = context.socket(zmq.SUB)
 
@@ -27,7 +28,6 @@ async def log_stream():
         while True:
             _, message = await socket.recv_multipart()
             message = message.decode().strip()
-            json_data = json.dumps(message)
+            yield f"data: {message}\n\n"
-            yield f"data: {json_data}\n\n"
 
     return StreamingResponse(gen(), media_type="text/event-stream")