fix: remove unused imports breaking Railway build

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

frontend/src/components/common/CreateFlowDropdown.tsx

@@ -1,6 +1,6 @@
 import { useState } from 'react'
 import { Link, useNavigate } from 'react-router-dom'
-import { Plus, ChevronDown, Sparkles, FolderTree, ListOrdered, Wrench } from 'lucide-react'
+import { Plus, ChevronDown, Sparkles, FolderTree, ListOrdered } from 'lucide-react'
 import { cn } from '@/lib/utils'
 import { editorAIApi } from '@/api/editorAI'
 import { apiClient } from '@/api/client'

frontend/src/components/dashboard/StartSessionInput.tsx

@@ -3,7 +3,7 @@ import { useNavigate } from 'react-router-dom'
 import { Send, Paperclip, Terminal, Loader2, X, RotateCcw, ImagePlus } from 'lucide-react'
 import { cn } from '@/lib/utils'
 import { uploadsApi } from '@/api/uploads'
-import type { FileUploadResponse, PendingUpload } from '@/types/upload'
+import type { PendingUpload } from '@/types/upload'
 
 const SUGGESTIONS = [
   'VPN not connecting',

frontend/src/components/layout/AppLayout.tsx

@@ -1,6 +1,6 @@
 import { useEffect, useState, useCallback } from 'react'
 import { useLocation, useNavigate, Link } from 'react-router-dom'
-import { Menu, X, LayoutGrid, Clock, AlertTriangle, GitBranch, Code2, Wand2, BarChart3, Settings, LogOut, Shield, FileText } from 'lucide-react'
+import { Menu, X, LayoutGrid, Clock, AlertTriangle, GitBranch, Wand2, BarChart3, Settings, LogOut, Shield, FileText } from 'lucide-react'
 import { useAuthStore } from '@/store/authStore'
 import { usePermissions } from '@/hooks/usePermissions'
 import { useUserPreferencesStore } from '@/store/userPreferencesStore'