feat(activities): remove an assignee from the share list

A team, role, or person can be taken off the activity from the progress chips, and ungrouped people use the same chip as grouped members.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/web/src/components/UserMultiSelect.vue

@@ -168,13 +168,24 @@ function commit(ids: string[]) {
 
 function onUpdate(value: unknown) {
   const tokens = Array.isArray(value) ? value.map(String) : [];
+  const tokenSet = new Set(tokens);
+  const removedMemberIds = new Set<string>();
+  for (const token of selectValue.value) {
+    if (tokenSet.has(token)) continue;
+    const dropped = catalogByToken.value.get(token);
+    if (!dropped) continue;
+    for (const id of dropped.userIds) removedMemberIds.add(id);
+  }
   const ids = new Set<string>();
   const pins = new Set<string>();
   for (const token of tokens) {
     const group = catalogByToken.value.get(token);
     if (group) {
       pins.add(token);
-      for (const id of group.userIds) ids.add(id);
+      for (const id of group.userIds) {
+        if (removedMemberIds.has(id)) continue;
+        ids.add(id);
+      }
       continue;
     }
     if (!token.startsWith('role:') && !token.startsWith('team:')) ids.add(token);