Extract shared filepond logic into src/FilepondHandler.php class.
Admin filepond endpoints delegate to the handler after AdminAuth check.
New partage filepond endpoints at /partage/actions/filepond/ verify
share_active session flag + CSRF token, no admin auth required.
JS reads filepond-base meta tag to determine endpoint path:
- Admin pages: /admin/actions/filepond (via head.php isAdmin check)
- Partage form: /partage/actions/filepond (explicit meta)
partage/index.php sets share_active = true on form render, cleans up on
successful submit. Partage process endpoint rate-limited to 30/5min per
session. No nginx changes needed — /partage/ location already handles
PHP without auth_basic.
* Move shared `fichiers-fragment.php` from `partage/` to `templates/partials/form/`
and update all include/require references
* `.gitignore`: exclude SQLite WAL/SHM journal files
* FilePond UI:
* change uploaded file block border state from yellow to green
* restyle image previews to use site light-theme colors
* Edit mode:
* remove custom existing-file preview list implementation
* preload existing files directly into FilePond pools
* include `cover` and `note_intention` assets in FilePond-managed state
* Remove obsolete upload progress bar UI and related JS includes
* Remove deprecated `Écriture` + `Image` format types from upload flow/configuration
