feat: version 2.17.1 -- Proyectos: checkbox "Ocultar proyectos 100%"

Desmarcado por defecto; la eleccion se guarda en localStorage y sobrevive al
cierre de sesion.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

frontend/src/pages/Proyectos/ProyectosPage.jsx

@@ -22,6 +22,7 @@ import { DetailPopup } from '../../components/DetailPopup.jsx';
 import { SharedWithIcon } from '../../components/SharedWithIcon.jsx';
 
 const CAN_DELETE_ROLES = ['superadmin', 'admin', 'it_manager', 'project_lead'];
+const HIDE_COMPLETED_KEY = 'plc_projects_hide_completed';
 
 function flatten(nodes, acc = []) {
   for (const n of nodes) { acc.push(n); if (n.children?.length) flatten(n.children, acc); }
@@ -48,6 +49,14 @@ export default function ProyectosPage() {
   const [filterStatusId, setFilterStatusId] = useState('');
   const [filterPriorityId, setFilterPriorityId] = useState('');
   const [filterDueSoon, setFilterDueSoon] = useState(false);
+  // Persistido en el navegador: se conserva al cerrar sesion o recargar.
+  const [hideCompleted, setHideCompleted] = useState(() => {
+    try { return localStorage.getItem(HIDE_COMPLETED_KEY) === '1'; } catch { return false; }
+  });
+  function toggleHideCompleted(checked) {
+    setHideCompleted(checked);
+    try { localStorage.setItem(HIDE_COMPLETED_KEY, checked ? '1' : '0'); } catch { /* sin storage: solo en memoria */ }
+  }
   const [filterOwnerUserId, setFilterOwnerUserId] = useState('');
   // Prueba exploratoria: filtro "ver todos / por usuario" solo para roles que ya ven todos los
   // proyectos hoy (superadmin/admin/it_manager) -- backend ya soporta ownerUserId, sin cambios.
@@ -178,13 +187,16 @@ export default function ProyectosPage() {
 
   if (!projects) return <div className="text-muted">{t('common_loading')}</div>;
 
-  const visibleProjects = filterDueSoon && !showTrash
+  const dueSoonProjects = filterDueSoon && !showTrash
     ? projects.filter((p) => {
         if (p.status_is_closed || !p.estimated_end_date) return false;
         const diffDays = Math.round((new Date(p.estimated_end_date) - new Date()) / 86400000);
         return diffDays >= 0 && diffDays <= 7;
       })
     : projects;
+  const visibleProjects = hideCompleted && !showTrash
+    ? dueSoonProjects.filter((p) => Number(p.progress_pct) < 100)
+    : dueSoonProjects;
 
   return (
     <div>
@@ -244,6 +256,10 @@ export default function ProyectosPage() {
               <input type="checkbox" checked={filterDueSoon} onChange={(e) => setFilterDueSoon(e.target.checked)} />
               {t('project_filter_due_soon')}
             </label>
+            <label className="checkbox-row">
+              <input type="checkbox" checked={hideCompleted} onChange={(e) => toggleHideCompleted(e.target.checked)} />
+              {t('project_filter_hide_completed')}
+            </label>
           </>
         )}
       </div>