feat: 实现设备注册和精准控制功能，支持双屏管理；更新相关逻辑以优化设备状态跟踪

src-tauri/Cargo.lock

@@ -5135,7 +5135,7 @@ dependencies = [
 
 [[package]]
 name = "昆明大学生创业园展播系统"
-version = "0.1.0"
+version = "0.1.2"
 dependencies = [
  "serde",
  "tauri",

src-tauri/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "昆明大学生创业园展播系统"
-version = "0.1.0"
+version = "0.1.2"
 description = "大屏媒体轮播系统 - Tauri App"
 authors = ["Pine"]
 edition = "2021"

src-tauri/capabilities/default.json

@@ -5,6 +5,7 @@
   "windows": ["main", "secondary"],
   "permissions": [
     "core:default",
+    "core:app:default",
     "core:window:default",
     "core:window:allow-minimize",
     "core:window:allow-set-fullscreen",

src-tauri/src/lib.rs

@@ -9,7 +9,7 @@ use tauri::{AppHandle, Manager, WebviewUrl, WebviewWindowBuilder};
 /// 双屏控制：on=true 在第二块屏幕上新建一个全屏窗口（加载前端首页），on=false 关闭它。
 /// 用于 admin 端「启动双屏」，让展播内容同时投到电脑的另一块显示器。
 #[tauri::command]
-fn set_dual_screen(app: AppHandle, on: bool) -> Result<String, String> {
+fn set_dual_screen(app: AppHandle, on: bool, parent_id: Option<String>) -> Result<String, String> {
     if !on {
         if let Some(w) = app.get_webview_window("secondary") {
             let _ = w.close();
@@ -52,6 +52,11 @@ fn set_dual_screen(app: AppHandle, on: bool) -> Result<String, String> {
         .title("OPC 运营中心 · 双屏")
         .position(x as f64, y as f64)
         .inner_size(w as f64, h as f64)
+        // 由 Rust 明确告知副窗：它的身份是 secondary，且从属于主屏 device_id（parent_id）
+        .initialization_script(format!(
+            "window.__DPM_WINDOW_LABEL__='secondary';window.__DPM_PARENT_ID__='{}';",
+            parent_id.unwrap_or_default().replace('\'', "")
+        ))
         .build()
         .map_err(|e| format!("创建副窗失败: {e}"))?;
     // 等窗口内容就绪后再全屏（避免过早全屏导致白屏/布局异常）

src-tauri/tauri.conf.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://schema.tauri.app/config/2",
   "productName": "云超服昆创园OPC运营中心",
-  "version": "0.1.1",
+  "version": "0.1.2",
   "identifier": "com.pine.dpm",
   "build": {
     "beforeDevCommand": "yarn build && yarn dev",