Fixed SignalR connection failing with 401 Unauthorized error by using
a dynamic token factory instead of a static token value.
Changes:
- Updated accessTokenFactory to call tokenManager.getAccessToken() dynamically
- This ensures SignalR always uses the latest valid JWT token
- Fixes token expiration and refresh issues during connection lifecycle
Issue: SignalR negotiation was failing because it used a stale token
captured at connection creation time, instead of fetching the current
token from localStorage on each request.
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Co-Authored-By: Claude <noreply@anthropic.com>
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