completed member addition by autocomplete form

frontend/src/Components/MemberEditor.svelte

@@ -3,7 +3,11 @@
     import { t } from '../translations.svelte.js';
     import Autocomplete from './Autocomplete.svelte';
     import PermissionSelector from './PermissionSelector.svelte';
-    let { members, updatePermission = (uid,perm) => console.log({user:uid,perm:perm}) } = $props();
+    let {
+        members,
+        updatePermission = (uid,perm) => console.log(`no handler for updatePermission(${uid}, ${perm})`),
+        addMember        = (entry)    => console.log(`no handler for addMember(${entry})`)
+    } = $props();
     let error = $state(null);
     let sortedMembers = $derived.by(() => Object.values(members).sort((a, b) => a.user.name.localeCompare(b.user.name)));
 
@@ -34,8 +38,8 @@
         }
     }
 
-    function onSelect(name){
-        console.log({selected_user:name})
+    function onSelect(entry){
+        addMember(entry);
     }
 
     onMount(loadPermissions);