implemented various task features:

- saving on CTRL+S
- editing of
    - start date
    - due date
    - members

frontend/src/routes/task/Add.svelte

@@ -75,6 +75,14 @@
         return Object.fromEntries(candidates);
     }
 
+
+    function onkeydown(e){
+        if (e.ctrlKey && e.keyCode === 83) {
+            e.preventDefault();
+            saveTask();
+        }
+    }
+
     async function saveTask(){
         var url = api('task/add');
         const resp = await fetch(url,{
@@ -103,7 +111,7 @@
 
 <fieldset>
     <legend>{t('add_task')}</legend>
-    <table>
+    <table {onkeydown}>
         <tbody>
             <tr>
                 <th>

frontend/src/routes/task/View.svelte

@@ -8,6 +8,7 @@
     import TaskList from '../../Components/TaskList.svelte';
     import MarkdownEditor from '../../Components/MarkdownEditor.svelte';
     import StateSelector from '../../Components/StateSelector.svelte';
+    import MemberEditor from '../../Components/MemberEditor.svelte';
 
     const router = useTinyRouter();
     let { id } = $props();
@@ -21,6 +22,24 @@
 
     $effect(() => updateOn(id));
 
+    async function addMember(entry){
+        const ids = Object.keys(entry);
+        if (ids) update({new_member:+ids.pop()});
+    }
+
+    async function dropMember(member){
+        update({drop_member:member.user.id});
+    }
+
+    async function getCandidates(text){
+        const origin = task.parent ? task.parent.members : project.members;
+        const candidates = Object.values(origin)
+            .filter(member => member.user.name.toLowerCase().includes(text.toLowerCase()))
+            .map(member => [member.user.id,member.user.name]);
+        return Object.fromEntries(candidates);
+    }
+
+
     function updateOn(id){
         loadTask();
     }
@@ -108,6 +127,7 @@
         });
         if (resp.ok){
             error = null;
+            task = await resp.json();
             return true;
         } else {
             error = await resp.text();
@@ -118,6 +138,12 @@
     function updateClosed(){
         if (update({show_closed:task.show_closed})) setTimeout(loadTask,50);
     }
+
+    function updatePermission(user_id,permission){
+        let members = {};
+        members[user_id] = permission.code;
+        update({members:members});
+    }
 </script>
 
 {#if error}
@@ -200,6 +226,14 @@
                 </label>
             </td>
         </tr>
+        <tr>
+            <th>
+                {t('members')}
+            </th>
+            <td>
+                <MemberEditor members={task.members} {updatePermission} {addMember} {dropMember} {getCandidates} />
+            </td>
+        </tr>
         <tr>
             <th>
                 {t('start_date')}