preparing for task list filtering

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

frontend/src/routes/task/Index.svelte

@@ -6,6 +6,7 @@
     import { error, yikes }  from '../../warn.svelte';
     import { t }             from '../../translations.svelte.js';
 
+    let filter = $state(null);
     let projects = $state({});
     let router = useTinyRouter();
     let tasks = $state(null);
@@ -44,6 +45,10 @@
         router.navigate(`/task/${tid}/edit`);
     }
 
+    function filterApplies(task){
+        return true;
+    }
+
     function go(module, id){
         router.navigate(`/${module}/${id}/view`);
     }
@@ -103,6 +108,11 @@
 
 <fieldset>
     <legend>{loading ? t('loading_object',{object:t('task_list')}) : t('task_list')}</legend>
+    <div class="filter">
+        <label>
+            {t('filter')}: <input type="text" bind:value={filter} >
+        </label>
+    </div>
     {#if tasks}
     <table>
         <thead>
@@ -117,7 +127,7 @@
         </thead>
         <tbody>
             {#each tasks as task,idx}
-            {#if task.status > 10 && task.status < 60 && !task.no_index && projects[task.project_id]?.status < 60 && !hidden[task.id]}
+            {#if task.status > 10 && task.status < 60 && !task.no_index && projects[task.project_id]?.status < 60 && !hidden[task.id] && filterApplies(task)}
             <tr>
                 <td onclick={() => go('task',task.id)}>{task.name}</td>
                 <td>