- Fix `fist_name` typo in CSV bulk upload (first_name was always None) - Fix CSV file field name mismatch: `members_data` → `csv_file` (matches form + template) - Add `@login_required` to backend index view (was unprotected) - Move `messages.success` inside `if form.is_valid()` (was always shown) - Remove debug `print(response.headers)` from HTMXViewMixin Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>