feat: filtros de Estado, Prioridad y proximos a vencer en Proyectos

El backend ya soportaba filtrar por statusId/priorityId; solo faltaba
exponerlo en la UI. "Proximos a vencer" es client-side, ventana de 7
dias (misma definicion que el KPI del dashboard).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

frontend/package.json

@@ -1,7 +1,7 @@
 {
   "name": "project-linkedcorp-frontend",
   "private": true,
-  "version": "1.10.0",
+  "version": "1.11.0",
   "type": "module",
   "scripts": {
     "dev": "vite",

frontend/src/i18n/messages.js

@@ -137,6 +137,7 @@ export const messages = {
     project_invite_sent: 'Invitacion enviada por correo',
     project_created_at: 'Creado',
     project_deleted_at: 'Eliminado',
+    project_filter_due_soon: 'Solo próximos a vencer (7 días)',
     project_delete_confirm_msg: '¿Seguro que deseas eliminar este proyecto? Se movera a la papelera y dejara de verse en el listado; un superadministrador puede restaurarlo o borrarlo definitivamente.',
     project_trash: 'Papelera',
     project_trash_title: 'Papelera de proyectos',
@@ -346,6 +347,7 @@ export const messages = {
     project_invite_sent: 'Invite sent by email',
     project_created_at: 'Created',
     project_deleted_at: 'Deleted',
+    project_filter_due_soon: 'Due soon only (7 days)',
     project_delete_confirm_msg: 'Are you sure you want to delete this project? It will move to the trash and disappear from the list; a superadmin can restore it or delete it permanently.',
     project_trash: 'Trash',
     project_trash_title: 'Project trash',

frontend/src/pages/Proyectos/ProyectosPage.jsx

@@ -40,7 +40,14 @@ export default function ProyectosPage() {
   const isSuperadmin = currentUser?.roleCode === 'superadmin';
   const canDelete = CAN_DELETE_ROLES.includes(currentUser?.roleCode);
 
-  const { data: projects, reload } = useAsync(() => listProjects(showTrash ? { trash: true } : {}), [showTrash]);
+  const [filterStatusId, setFilterStatusId] = useState('');
+  const [filterPriorityId, setFilterPriorityId] = useState('');
+  const [filterDueSoon, setFilterDueSoon] = useState(false);
+
+  const { data: projects, reload } = useAsync(
+    () => listProjects(showTrash ? { trash: true } : { statusId: filterStatusId, priorityId: filterPriorityId }),
+    [showTrash, filterStatusId, filterPriorityId]
+  );
   const { data: priorities } = useAsync(() => listCatalog('priorities'), []);
   const { data: statuses } = useAsync(() => listCatalog('project-statuses'), []);
   const { data: types } = useAsync(() => listCatalog('project-types'), []);
@@ -133,6 +140,14 @@ export default function ProyectosPage() {
 
   if (!projects) return <div className="text-muted">{t('common_loading')}</div>;
 
+  const visibleProjects = 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;
+
   return (
     <div>
       <div className="toolbar">
@@ -155,11 +170,25 @@ export default function ProyectosPage() {
 
       <div className="toolbar">
         <SearchInput value={search} onChange={setSearch} />
+        {!showTrash && (
+          <>
+            <div style={{ width: 160 }}>
+              <ComboBox options={[{ value: '', label: t('common_all') }, ...statusOptions]} value={filterStatusId} onChange={setFilterStatusId} placeholder={t('common_status')} />
+            </div>
+            <div style={{ width: 160 }}>
+              <ComboBox options={[{ value: '', label: t('common_all') }, ...priorityOptions]} value={filterPriorityId} onChange={setFilterPriorityId} placeholder={t('common_priority')} />
+            </div>
+            <label className="checkbox-row">
+              <input type="checkbox" checked={filterDueSoon} onChange={(e) => setFilterDueSoon(e.target.checked)} />
+              {t('project_filter_due_soon')}
+            </label>
+          </>
+        )}
       </div>
 
       <ListView
         columns={columns}
-        rows={projects}
+        rows={visibleProjects}
         searchValue={search}
         getSearchHaystack={(p) => `${p.code} ${p.name} ${p.owner_name} ${p.status_name}`}
         getRowKey={(p) => p.id}