chore: initial commit - maqt-desktop v0.2

- Phase 1-5: UI framework, auth, weapon schemes, color filters, system optimization
- Industrial/tech design style with Chinese localization
- Points to gch3n.online/delta backend API
- Hardware monitor, filter editor, and all module pages

src/types/index.ts

@@ -0,0 +1,56 @@
+export interface User {
+  id: string;
+  username: string;
+  email: string;
+  avatar: string | null;
+  isVip: boolean;
+  vipExpireAt: string | null;
+  vipLevel: number;
+}
+
+export interface Scheme {
+  id: string;
+  title: string | null;
+  weaponName: string | null;
+  category: string | null;
+  userId: string;
+  description: string | null;
+  viewsCount: number;
+  downloadsCount: number;
+  likesCount: number;
+  favoritesCount: number;
+  price: number;
+  status: string;
+  isOfficial: boolean;
+  createdAt: string;
+  user?: { username: string; avatar: string | null };
+}
+
+export interface Category {
+  code: string;
+  name: string;
+  icon: string;
+}
+
+export interface LoginRequest {
+  username: string;
+  password: string;
+  installId?: string;
+  deviceHash?: string;
+  platform?: string;
+  osVersion?: string;
+  appVersion?: string;
+}
+
+export interface LoginResponse {
+  success: boolean;
+  token?: string;
+  user?: User;
+  message?: string;
+}
+
+export interface ApiResponse<T = any> {
+  success: boolean;
+  data?: T;
+  message?: string;
+}