chore: 初始化项目基础结构和资源文件

- 添加项目图标文件（app-icon.png、各平台图标）
- 配置开发环境文件（.env、.nvmrc、.npmrc）
- 添加静态资源文件（背景图片、字体、音频）
- 初始化Tauri后端结构（build.rs、main.rs、模块文件）
- 配置前端项目结构（TypeScript、Vue组件、样式）
- 添加Node.js API服务基础结构
- 配置构建和开发工具（vite、prettier、gitignore）

src-tauri/src/window/commands.rs

@@ -0,0 +1,44 @@
+use crate::window::create_float_list_window::create_float_list_window_impl;
+use crate::window::create_main_window::create_main_window_impl;
+use crate::window::create_meeting_window::create_meeting_window_impl;
+use crate::window::create_popup_window::create_popup_window_impl;
+use crate::window::derive::TargetLocation;
+use tauri::{AppHandle, Window};
+
+/// 创建悬浮列表窗口
+#[tauri::command]
+pub async fn create_float_list_window(app: AppHandle, page_type: &str) -> Result<String, String> {
+    create_float_list_window_impl(std::sync::Arc::new(app), page_type).await.map(|_| "success".to_string())
+}
+
+/// 创建弹出框窗口
+#[tauri::command]
+pub async fn create_popup_window(app: AppHandle, window: Window) -> Result<String, String> {
+    let current_position_physical = window.outer_position().map_err(|e| format!("获取窗口位置失败: {}", e))?;
+    let current_size_physical = window.outer_size().map_err(|e| format!("获取窗口大小失败: {}", e))?;
+
+    // 获取缩放因子
+    let scale_factor = window.scale_factor().map_err(|e| format!("获取缩放因子失败: {}", e))?;
+
+    // 转换为逻辑位置和大小
+    let current_position = current_position_physical.to_logical::<i32>(scale_factor);
+    let current_size = current_size_physical.to_logical::<i32>(scale_factor);
+    let target = TargetLocation {
+        x: current_position.x,
+        y: current_position.y,
+        width: current_size.width as u32,
+        height: current_size.height as u32,
+    };
+    create_popup_window_impl(&app, &target, "auto").await.map(|_| "success".to_string())
+}
+
+#[tauri::command]
+pub async fn create_main_window(app: AppHandle) -> Result<String, String> {
+    create_main_window_impl(&app).await.map(|_| "success".to_string())
+}
+
+/// 创建会议窗口（Tauri命令）
+#[tauri::command]
+pub async fn create_meeting_window(app: AppHandle, window_type: u8, course_id: Option<u64>) -> Result<String, String> {
+    create_meeting_window_impl(&app, window_type, course_id).await.map(|_| "success".to_string())
+}