Refactor SSE listener and improve logging for TELL updates

Enhanced the SSE listener with better error handling and debug logs. Added checks for missing TELL URL and improved event data handling for "DewarContentUpdate". This ensures robustness and clarity in handling TELL updates.

daq/pyproject.toml

@@ -17,7 +17,7 @@ dependencies = [
     "opencv-python-headless==4.11.0.86",
     "python_multipart==0.0.20",
     "websocket-client",
-    "sseclient>=0.0.27",
+    "sseclient-py>=1.8.0",
 ]
 
 [lint]