- chat_get_plantillas.php: GET — returns enabled templates from
turnero_chat_plantillas JOIN message_templates; auto-creates table
- chat_save_plantillas.php: POST {ids:[...]} — replaces all rows in
turnero_chat_plantillas using DELETE + INSERT IGNORE in a transaction
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>