ADD: Logging to trace SSE event streaming to client

src/api/app.py

@@ -202,6 +202,7 @@ async def stream_progress(session_id: str):
                 'message': '🔗 Connected to progress stream',
                 'session_id': session_id
             }
+            print(f"[SSE] SENDING connection event to client")
             yield f"data: {json.dumps(connection_event)}\n\n"
             
             # Send any existing history first (for reconnections)
@@ -211,6 +212,7 @@ async def stream_progress(session_id: str):
             
             # Stream new events as they occur
             async for event in progress_manager.subscribe(session_id):
+                print(f"[SSE] STREAMING event to client: {event.get('type')}")
                 yield f"data: {json.dumps(event)}\n\n"
                 
                 # Check if analysis is complete

src/progress_manager.py

@@ -84,6 +84,7 @@ class ProgressManager:
         try:
             while True:
                 event = await queue.get()
+                print(f"[SSE] YIELDING event to client: type={event.get('type')}, msg={event.get('message', '')[:50]}")
                 yield event
         except asyncio.CancelledError:
             # Client disconnected