feat: indice limpio (sidenav sin botones, sin aviso de vacio)

src/app/page.tsx

@@ -100,14 +100,6 @@ export default function Home() {
           <div className="col-12 text-center">
             <h4 className="fw-semibold opacity-75">Aplicaciones</h4>
           </div>
-          <div className="col-12 text-center mt-4 d-flex flex-column gap-2 align-items-center">
-            <Link href="/tablero" className="btn btn-light btn-sm px-4">
-              <i className="bx bx-pie-chart-alt-2 me-1" /> Tablero IT
-            </Link>
-            <Link href="/upload" className="btn btn-outline-light btn-sm px-4">
-              <i className="bx bx-plus me-1" /> Nuevo Módulo
-            </Link>
-          </div>
           <div className="col-12 text-center mt-3">
             <small className="opacity-50">Portal de integración</small>
           </div>
@@ -142,20 +134,6 @@ export default function Home() {
 
             {!loading && !error && (
               <div className="row row-cards">
-                {modules.length === 0 && (
-                  <div className="col-12">
-                    <div className="app-card p-4 text-center">
-                      <i className="bx bx-inbox fs-1 text-muted" />
-                      <p className="text-muted mt-2 mb-3">
-                        No hay módulos integrados. ¡Sube tu primer proyecto!
-                      </p>
-                      <Link href="/upload" className="btn btn-primary btn-sm">
-                        <i className="bx bx-upload me-1" /> Subir Proyecto
-                      </Link>
-                    </div>
-                  </div>
-                )}
-
                 {SECTIONS.map((section) => {
                   const list = bySection[section.id] ?? [];
                   const isReview = section.id === "otras-apps";