v.0.9.66 UI changes

backend/package.json

@@ -1,6 +1,6 @@
 {
   "name": "jama-backend",
-  "version": "0.9.65",
+  "version": "0.9.66",
   "description": "TeamChat backend server",
   "main": "src/index.js",
   "scripts": {

backend/src/routes/schedule.js

@@ -195,6 +195,29 @@ router.patch('/:id', authMiddleware, teamManagerMiddleware, (req, res) => {
     req.params.id
   );
   if (Array.isArray(userGroupIds)) {
+    // Find which groups are being removed
+    const prevGroupIds = db.prepare('SELECT user_group_id FROM event_user_groups WHERE event_id = ?')
+      .all(req.params.id).map(r => r.user_group_id);
+    const newGroupSet = new Set(userGroupIds.map(Number));
+    const removedGroupIds = prevGroupIds.filter(id => !newGroupSet.has(id));
+
+    // Remove availability responses for users who are only in removed groups
+    for (const removedGid of removedGroupIds) {
+      const removedUserIds = db.prepare('SELECT user_id FROM user_group_members WHERE user_group_id = ?')
+        .all(removedGid).map(r => r.user_id);
+      for (const uid of removedUserIds) {
+        // Check if user is still in ANY remaining group for this event
+        const stillAssigned = newGroupSet.size > 0 && db.prepare(`
+          SELECT 1 FROM user_group_members
+          WHERE user_id = ? AND user_group_id IN (${[...newGroupSet].map(()=>'?').join(',')})
+        `).get(uid, ...[...newGroupSet]);
+        if (!stillAssigned) {
+          db.prepare('DELETE FROM event_availability WHERE event_id = ? AND user_id = ?')
+            .run(req.params.id, uid);
+        }
+      }
+    }
+
     db.prepare('DELETE FROM event_user_groups WHERE event_id = ?').run(req.params.id);
     for (const ugId of userGroupIds)
       db.prepare('INSERT OR IGNORE INTO event_user_groups (event_id, user_group_id) VALUES (?, ?)').run(req.params.id, ugId);