refactor(window): improve WindowProvider implementation

src/types/global.d.ts

@@ -198,6 +198,20 @@ interface ILogItem {
 }
 
 type LogLevel = import("tauri-plugin-mihomo-api").LogLevel;
+
+type AppWindow = import("@tauri-apps/api/window").WebviewWindow;
+
+interface WindowContextType {
+  decorated: boolean | null;
+  maximized: boolean | null;
+  toggleDecorations: () => Promise<void>;
+  refreshDecorated: () => Promise<boolean>;
+  minimize: () => void;
+  close: () => void;
+  toggleMaximize: () => Promise<void>;
+  toggleFullscreen: () => Promise<void>;
+  currentWindow: AppWindow;
+}
 type LogFilter = "all" | "debug" | "info" | "warn" | "err";
 type LogOrder = "asc" | "desc";