fix: add missing frontend dependencies and remove trailing whitespace

- Add @tanstack/react-query, axios, and clsx to frontend dependencies
- Remove trailing whitespace from multiple files to pass pre-commit hooks
- These were required but missing from package.json

frontend/src/hooks/__tests__/useImport.test.ts

@@ -103,7 +103,7 @@ describe('useImport', () => {
     await result.current.commit({ 'test.com': 'skip' })
 
     expect(api.importAPI.commit).toHaveBeenCalledWith('session-2', { 'test.com': 'skip' })
-    
+
     await waitFor(() => {
       expect(result.current.session).toBeNull()
     })
@@ -149,7 +149,7 @@ describe('useImport', () => {
     vi.mocked(api.importAPI.upload).mockResolvedValue({ session: mockSession })
     vi.mocked(api.importAPI.status).mockResolvedValue({ has_pending: true, session: mockSession })
     vi.mocked(api.importAPI.preview).mockResolvedValue({ hosts: [], conflicts: [], errors: [] })
-    
+
     const mockError = new Error('Commit failed')
     vi.mocked(api.importAPI.commit).mockRejectedValue(mockError)
 

frontend/src/hooks/__tests__/useProxyHosts.test.ts

@@ -63,7 +63,7 @@ describe('useProxyHosts', () => {
     vi.mocked(api.proxyHostsAPI.list).mockResolvedValue([])
     const newHost = { domain_names: 'new.com', forward_host: 'localhost', forward_port: 9000 }
     const createdHost = { uuid: '3', ...newHost, enabled: true }
-    
+
     vi.mocked(api.proxyHostsAPI.create).mockResolvedValue(createdHost)
 
     const { result } = renderHook(() => useProxyHosts())
@@ -81,7 +81,7 @@ describe('useProxyHosts', () => {
   it('updates an existing proxy host', async () => {
     const existingHost = { uuid: '1', domain_names: 'test.com', enabled: true, forward_host: 'localhost', forward_port: 8080 }
     vi.mocked(api.proxyHostsAPI.list).mockResolvedValue([existingHost])
-    
+
     const updatedHost = { ...existingHost, domain_names: 'updated.com' }
     vi.mocked(api.proxyHostsAPI.update).mockResolvedValue(updatedHost)
 

frontend/src/hooks/__tests__/useRemoteServers.test.ts

@@ -87,7 +87,7 @@ describe('useRemoteServers', () => {
     vi.mocked(api.remoteServersAPI.list).mockResolvedValue([])
     const newServer = { name: 'New Server', host: 'new.local', port: 5000, enabled: true, provider: 'generic' }
     const createdServer = { uuid: '4', ...newServer }
-    
+
     vi.mocked(api.remoteServersAPI.create).mockResolvedValue(createdServer)
 
     const { result } = renderHook(() => useRemoteServers())
@@ -105,7 +105,7 @@ describe('useRemoteServers', () => {
   it('updates an existing remote server', async () => {
     const existingServer = { uuid: '1', name: 'Server 1', host: 'localhost', port: 8080, enabled: true }
     vi.mocked(api.remoteServersAPI.list).mockResolvedValue([existingServer])
-    
+
     const updatedServer = { ...existingServer, name: 'Updated Server' }
     vi.mocked(api.remoteServersAPI.update).mockResolvedValue(updatedServer)
 

frontend/src/hooks/useImport.ts

@@ -69,7 +69,7 @@ export function useImport() {
 
   const commit = async (resolutions: Record<string, string>) => {
     if (!session) throw new Error('No active session')
-    
+
     try {
       setLoading(true)
       setError(null)
@@ -87,7 +87,7 @@ export function useImport() {
 
   const cancel = async () => {
     if (!session) return
-    
+
     try {
       setLoading(true)
       setError(null)