feat: added extra endpoint for norm pings

also made sure that you cannot skip phase on end phase

ref: N25B-400

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

@@ -52,11 +52,11 @@ async def experiment_stream(request: Request):
             while True:
                 # Check if client closed the tab
                 if await request.is_disconnected():
-                    logger.info("Client disconnected from experiment stream.")
+                    logger.error("Client disconnected from experiment stream.")
                     break
 
                 try:
-                    parts = await asyncio.wait_for(socket.recv_multipart(), timeout=1.0)
+                    parts = await asyncio.wait_for(socket.recv_multipart(), timeout=10.0)
                     _, message = parts
                     yield f"data: {message.decode().strip()}\n\n"
                 except TimeoutError:
@@ -65,3 +65,30 @@ async def experiment_stream(request: Request):
             socket.close()
 
     return StreamingResponse(gen(), media_type="text/event-stream")
+
+
+@router.get("/status_stream")
+async def status_stream(request: Request):
+    context = Context.instance()
+    socket = context.socket(zmq.SUB)
+    socket.connect(settings.zmq_settings.internal_sub_address)
+
+    socket.subscribe(b"status")
+
+    async def gen():
+        try:
+            while True:
+                if await request.is_disconnected():
+                    break
+                try:
+                    # Shorter timeout since this is frequent
+                    parts = await asyncio.wait_for(socket.recv_multipart(), timeout=0.5)
+                    _, message = parts
+                    yield f"data: {message.decode().strip()}\n\n"
+                except TimeoutError:
+                    yield ": ping\n\n"  # Keep the connection alive
+                    continue
+        finally:
+            socket.close()
+
+    return StreamingResponse(gen(), media_type="text/event-stream")