The manual "Jetzt abrufen" button now runs synchronously and searches all
emails from the last 30 days instead of only unread ones. This fixes the
issue where already-read emails in IMAP were invisible to the poll task.
Duplicate detection (by sender+date+subject) prevents re-imports.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
The redirect() calls in email_eingang_poll_trigger and email_eingang_detail
were missing the 'stiftung:' namespace prefix, causing NoReverseMatch errors.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>