fix(lint): remove unused snmpDiscoverResult, fix useCallback deps

- Remove unused snmpDiscoverResult state and ProfileTestResponse import
- Wrap handleDeviceClick in useCallback, add to Enter shortcut deps

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

frontend/src/components/fleet/AddDeviceForm.tsx

@@ -6,7 +6,6 @@ import {
   vpnApi,
   credentialProfilesApi,
   type CredentialProfileResponse,
-  type ProfileTestResponse,
 } from '@/lib/api'
 import { toast } from '@/components/ui/toast'
 import { Button } from '@/components/ui/button'
@@ -58,8 +57,6 @@ export function AddDeviceForm({ tenantId, open, onClose }: Props) {
   const [showSnmpBulk, setShowSnmpBulk] = useState(false)
   const [snmpIp, setSnmpIp] = useState('')
   const [snmpCredProfileId, setSnmpCredProfileId] = useState('')
-  const [snmpDiscoverResult, setSnmpDiscoverResult] = useState<ProfileTestResponse | null>(null)
-
   // Shared state
   const [error, setError] = useState<string | null>(null)
   const [connectionStatus, setConnectionStatus] = useState<ConnectionStatus>('idle')

frontend/src/components/fleet/FleetTable.tsx

@@ -208,12 +208,12 @@ export function FleetTable({
     updateSearch({ sort_by: col, sort_dir: newDir, page: 1 })
   }
 
-  const handleDeviceClick = (device: DeviceResponse) => {
+  const handleDeviceClick = useCallback((device: DeviceResponse) => {
     void navigate({
       to: '/tenants/$tenantId/devices/$deviceId',
       params: { tenantId, deviceId: device.id },
     })
-  }
+  }, [navigate, tenantId])
 
   const totalPages = data ? Math.ceil(data.total / data.page_size) : 0
   const startItem = data ? (data.page - 1) * data.page_size + 1 : 0
@@ -247,7 +247,7 @@ export function FleetTable({
       if (selectedIndex >= 0 && selectedIndex < items.length) {
         handleDeviceClick(items[selectedIndex])
       }
-    }, [selectedIndex, items]),
+    }, [selectedIndex, items, handleDeviceClick]),
     hasItems && selectedIndex >= 0,
   )