Descarga de archivos implementada

frontend-client/src/lib/stores/tickets.ts

@@ -328,6 +328,39 @@ function createTicketsStore() {
         comments: [],
         attachments: []
       }));
+    },
+
+    // Download attachment
+    downloadAttachment: async (ticketId: string, attachmentId: string, filename: string) => {
+      const authState = get(auth);
+
+      if (!authState.token || !authState.user) {
+        throw new Error('Not authenticated');
+      }
+
+      const response = await fetch(`/api/v1/tickets/${ticketId}/attachments/${attachmentId}/download`, {
+        method: 'GET',
+        headers: {
+          'Authorization': `Bearer ${authState.token}`,
+          'X-Tenant-ID': authState.user.tenant_id
+        }
+      });
+
+      if (!response.ok) {
+        const error = await response.json().catch(() => ({ detail: 'Download failed' }));
+        throw new Error(error.detail || 'Download failed');
+      }
+
+      // Crear blob y descargar
+      const blob = await response.blob();
+      const url = window.URL.createObjectURL(blob);
+      const a = document.createElement('a');
+      a.href = url;
+      a.download = filename;
+      document.body.appendChild(a);
+      a.click();
+      document.body.removeChild(a);
+      window.URL.revokeObjectURL(url);
     }
   };
 }