chore(idaa): note updated_on side effect on favorites toggle

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/routes/idaa/(idaa)/recovery_meetings/ae_idaa_comp__event_obj_li.svelte

@@ -69,6 +69,12 @@ async function toggle_favorite(event_obj: Record<string, unknown>) {
     // Optimistic IDB update — liveQuery reactively re-renders the card instantly
     await db_events.event.update(obj_id, { mod_meetings_json: new_json });
 
+    // NOTE: This PATCH triggers ae_event.updated_on to update (MariaDB ON UPDATE
+    // current_timestamp() fires on every row write). Side effect: starring a meeting
+    // shifts its position when sorted by updated_on, and admins see a spurious "last modified"
+    // timestamp. Long-term fix: either bypass ON UPDATE for this specific write (pass
+    // updated_on = updated_on in the SET clause server-side), or store favorites in a
+    // dedicated per-user table that doesn't touch the event row at all.
     try {
         await events_func.update_ae_obj__event({
             api_cfg: $ae_api,