Enhance app with project management, budget tools, and voice commands

Adds ProjectManager, ConversationHistory, EnhancedVoiceCommands components, translation keys, and updates Settings page.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: ff0be73b-afdd-4747-978b-bb8301fb0a82
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/9777c70b-fc38-4831-8d6b-78dfffe041b0/82569113-480a-45a6-8982-ffee4f083c5a.jpg

client/src/pages/SettingsPage.tsx

@@ -1,5 +1,7 @@
 import { useState } from "react";
 import { useAuth } from "@/context/AuthContext";
+import { useTranslation } from "react-i18next";
+import { useTheme } from "@/context/ThemeContext";
 import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card";
 import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";
@@ -7,9 +9,11 @@ import { Label } from "@/components/ui/label";
 import { Switch } from "@/components/ui/switch";
 import { Separator } from "@/components/ui/separator";
 import { Tabs, TabsContent, TabsList, TabsTrigger } from "@/components/ui/tabs";
+import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select";
+import { LanguageSwitcher } from "@/components/LanguageSwitcher";
 import { useToast } from "@/hooks/use-toast";
 import Sidebar from "@/components/layout/Sidebar";
-import { User, Bell, Shield, Palette } from "lucide-react";
+import { User, Bell, Shield, Palette, Moon, Sun, Globe, Download, Trash2 } from "lucide-react";
 
 export default function SettingsPage() {
   const { user, updateProfile } = useAuth();