fix: update transcript list on reprocess (#676)

* Update transcript list on reprocess

* Fix transcript create

* Fix multiple sockets issue

* Pass token in sec websocket protocol

* userEvent parse example

* transcript list invalidation non-abstraction

* Emit only relevant events to the user room

* Add ws close code const

* Refactor user websocket endpoint

* Refactor user events provider

---------

Co-authored-by: Igor Loskutov <igor.loskutoff@gmail.com>

server/reflector/views/user_websocket.py

@@ -0,0 +1,53 @@
+from typing import Optional
+
+from fastapi import APIRouter, WebSocket
+
+from reflector.auth.auth_jwt import JWTAuth  # type: ignore
+from reflector.ws_manager import get_ws_manager
+
+router = APIRouter()
+
+# Close code for unauthorized WebSocket connections
+UNAUTHORISED = 4401
+
+
+@router.websocket("/events")
+async def user_events_websocket(websocket: WebSocket):
+    # Browser can't send Authorization header for WS; use subprotocol: ["bearer", token]
+    raw_subprotocol = websocket.headers.get("sec-websocket-protocol") or ""
+    parts = [p.strip() for p in raw_subprotocol.split(",") if p.strip()]
+    token: Optional[str] = None
+    negotiated_subprotocol: Optional[str] = None
+    if len(parts) >= 2 and parts[0].lower() == "bearer":
+        negotiated_subprotocol = "bearer"
+        token = parts[1]
+
+    user_id: Optional[str] = None
+    if not token:
+        await websocket.close(code=UNAUTHORISED)
+        return
+
+    try:
+        payload = JWTAuth().verify_token(token)
+        user_id = payload.get("sub")
+    except Exception:
+        await websocket.close(code=UNAUTHORISED)
+        return
+
+    if not user_id:
+        await websocket.close(code=UNAUTHORISED)
+        return
+
+    room_id = f"user:{user_id}"
+    ws_manager = get_ws_manager()
+
+    await ws_manager.add_user_to_room(
+        room_id, websocket, subprotocol=negotiated_subprotocol
+    )
+
+    try:
+        while True:
+            await websocket.receive()
+    finally:
+        if room_id:
+            await ws_manager.remove_user_from_room(room_id, websocket)