feat(tickets): sin botón archivar, Archivo visible a todos, dashboard coherente

frontend/src/app/(app)/page.tsx

@@ -83,7 +83,7 @@ export default function DashboardPage() {
       {/* Stats Cards: cada tarjeta filtra la lista de tickets según lo presionado */}
       <div className="row g-3 mb-4">
         <div className="col-6 col-lg">
-          <StatsCard icon="bi-ticket-detailed" value={stats?.totalTickets || 0} label="Total Tickets" color="#00285d" href="/tickets" />
+          <StatsCard icon="bi-ticket-detailed" value={stats?.totalTickets || 0} label="Total Tickets" color="#00285d" href="/tickets?archived=all" />
         </div>
         <div className="col-6 col-lg">
           <StatsCard icon="bi-folder2-open" value={stats?.openTickets || 0} label="Abiertos" color="#198754" href="/tickets?status=Open" />
@@ -92,7 +92,7 @@ export default function DashboardPage() {
           <StatsCard icon="bi-clock-history" value={stats?.inProgressTickets || 0} label="En Progreso" color="#ffc107" href="/tickets?status=InProgress" />
         </div>
         <div className="col-6 col-lg">
-          <StatsCard icon="bi-check-circle" value={stats?.resolvedTickets || 0} label="Resueltos" color="#0d6efd" href="/tickets?status=Resolved" />
+          <StatsCard icon="bi-check-circle" value={stats?.resolvedTickets || 0} label="Resueltos" color="#0d6efd" href="/tickets?status=Resolved&archived=all" />
         </div>
         <div className="col-6 col-lg">
           <StatsCard icon="bi-exclamation-triangle" value={stats?.criticalTickets || 0} label="Críticos" color="#dc3545" href="/tickets?priority=Critical" />

frontend/src/app/(app)/tickets/[id]/page.tsx

@@ -9,7 +9,6 @@ import {
   getTicketEmails,
   addComment,
   updateTicketStatus,
-  setTicketArchived,
   assignTicket,
   getGroups,
   getTeam,
@@ -287,24 +286,6 @@ export default function TicketDetailPage() {
     }
   };
 
-  const handleArchiveToggle = async () => {
-    if (!ticket) return;
-    const toArchived = !ticket.archived;
-    if (toArchived && !window.confirm("¿Archivar este ticket? Saldrá de la vista de activos, conservando su estado.")) {
-      return;
-    }
-    setError("");
-    setActing(true);
-    try {
-      await setTicketArchived(id, toArchived);
-      await refreshTicket();
-    } catch (err: unknown) {
-      setError(err instanceof Error ? err.message : "No se pudo cambiar el archivado");
-    } finally {
-      setActing(false);
-    }
-  };
-
   const handleAssignAgent = async (idUsuario: string | null) => {
     if (!ticket) return;
     setAssignOpen(false);
@@ -461,17 +442,6 @@ export default function TicketDetailPage() {
               </>
             )}
           </div>
-
-          {/* Archivar / Desarchivar (conserva el estado del ticket) */}
-          <button
-            className={`btn btn-sm ${ticket.archived ? "btn-outline-secondary" : "btn-outline-dark"}`}
-            disabled={acting}
-            title={ticket.archived ? "Volver a la vista de activos" : "Sacar de la vista de activos"}
-            onClick={handleArchiveToggle}
-          >
-            <i className={`bi ${ticket.archived ? "bi-box-arrow-up" : "bi-archive"} me-1`}></i>
-            {ticket.archived ? "Desarchivar" : "Archivar"}
-          </button>
         </div>
         )}
       </div>

frontend/src/app/(app)/tickets/page.tsx

@@ -285,6 +285,14 @@ function TicketsContent() {
             </button>
           ))}
         </div>
+      </div>
+      ) : (
+      <div className="filter-bar mb-3">
+        <span className="badge bg-primary">Mis tickets</span>
+      </div>
+      )}
+      {/* Archivo: visible para todos (solicitantes también ven sus cerrados) */}
+      <div className="filter-bar mb-3">
         <span className="text-muted" style={{ fontSize: "0.8rem" }}>Archivo:</span>
         <div className="btn-group" role="group" aria-label="Archivo">
           {(
@@ -308,11 +316,6 @@ function TicketsContent() {
           ))}
         </div>
       </div>
-      ) : (
-      <div className="filter-bar mb-3">
-        <span className="badge bg-primary">Mis tickets</span>
-      </div>
-      )}
       <div className="filter-bar mb-4">
         <div className="d-flex align-items-center gap-2">
           <i className="bi bi-funnel text-muted"></i>