feat(scan): add guided Linux agent setup in administration

frontend/composables/useAdmin.ts

@@ -255,8 +255,10 @@ export const useAdmin = () => {
     return await $api("/api/admin/system-status")
   }
 
-  const getInstanceAgents = async (): Promise<{ agents: InstanceAgent[] }> => {
-    const response = await $api("/api/instance-agents") as any
+  const getInstanceAgents = async (quiet = false): Promise<{ agents: InstanceAgent[] }> => {
+    const response = await $api("/api/instance-agents", quiet ? {
+      retry: 0, timeout: 15000, onRequestError: () => {}, onResponseError: () => {},
+    } : {}) as any
     return { agents: response?.agents || [] }
   }
 
@@ -274,12 +276,17 @@ export const useAdmin = () => {
     })
   }
 
+  const rotateInstanceAgentToken = async (id: string): Promise<{ token: string }> => {
+    return await $api(`/api/instance-agents/${id}/token`, { method: "POST" })
+  }
+
   return {
     getOverview,
     getSystemStatus,
     getInstanceAgents,
     createInstanceAgent,
     updateInstanceAgent,
+    rotateInstanceAgentToken,
     createUser,
     createUserForProfile,
     updateUser,