1. Refresh button no longer doubles header - Added ?fragment=1 param to filter/refresh HTMX requests - Board route returns board_fragment.html (columns only) for fragment requests - Refresh button uses window.location.reload() for full page reload 2. No more raw JSON in header - base.html: user info rendered server-side via template variable - board.py: decodes session cookie, passes user to template - Dashboard/board templates show Login/Deconnexion based on auth state 3. New issue form works - Replaced HTMX post with JS fetch (handleNewIssue) - Adds CSRF token to form submission - Reloads page on successful creation - Cleaner error handling