- Email template: an event can use an editable campaign-style template (Unlayer) for
its invitation instead of the built-in festive builder. Config field email_template
('' = festive default/fallback). inviteEmail() renders the named template via
campaigns.renderNamedTemplate with {{firstname}}/{{rsvp_url}} (+ event vars), else
festive. campaigns.js: add 'event-' template prefix + export renderNamedTemplate.
New GET /events/:id/invite-preview (festive | configured | override) for live preview.
Editor gains a template selector, "design in editor" link, and an inbox preview dialog.
- Audience "Tous (incl. résiliés)": filters.include_resiliated skips the résilié guard
for win-back; "Clients actifs" still excludes them.
- Manual picker: realtime fuzzy search into a results list (add per row), separate pool,
then add-batch — replaces the combobox.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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