监控、OSD

ThingHK/HardwareManager.cs

@@ -131,6 +131,11 @@ internal sealed class HardwareManager : IDisposable
 
         // 重新遍历以读取最新传感器值（visitor 缓存的是 hardware 引用，sensor 值实时）
         var groups = new Dictionary<string, SensorGroup>();
+
+        // 为已启用但 LHB 未枚举到的硬件类型预创建空分组，
+        // 确保前端能显示"已启用但无数据"的硬件（而不是直接隐藏，让用户误以为配置未生效）
+        EnsureGroupsForEnabledHardware(groups, snap);
+
         foreach (var hw in _visitor.AllHardware)
         {
             string groupId = hw.HardwareType.ToString().ToLowerInvariant();
@@ -164,6 +169,40 @@ internal sealed class HardwareManager : IDisposable
         return snap;
     }
 
+    /// <summary>
+    /// 为已启用但 LHB 未枚举到的硬件类型预创建空分组。
+    /// 场景：用户在设置中勾选了主板/电池/电源等，但 LHB 在当前权限或机型下检测不到对应硬件，
+    /// 此时仍创建空分组让前端显示"已启用但无数据"，避免用户误以为配置未生效。
+    /// GPU 特殊处理：LHB 会枚举到 GpuIntel/GpuAmd/GpuNvidia 之一，不预创建通用分组。
+    /// </summary>
+    private void EnsureGroupsForEnabledHardware(Dictionary<string, SensorGroup> groups, SensorSnapshot snap)
+    {
+        // (configKey, groupId, groupName)
+        // 注意：controller 对应 SuperIO 和 EmbeddedController 两个 HardwareType
+        var mapping = new (string, string, string)[]
+        {
+            ("cpu", "cpu", "CPU"),
+            ("memory", "memory", "Memory"),
+            ("storage", "storage", "Storage"),
+            ("motherboard", "motherboard", "Motherboard"),
+            ("controller", "superio", "SuperIO"),
+            ("controller", "embeddedcontroller", "EmbeddedController"),
+            ("battery", "battery", "Battery"),
+            ("network", "network", "Network"),
+            ("psu", "psu", "Psu"),
+        };
+
+        foreach (var (key, groupId, groupName) in mapping)
+        {
+            if (_config.IsHardwareEnabled(key) && !groups.ContainsKey(groupId))
+            {
+                var g = new SensorGroup { Id = groupId, Name = groupName };
+                groups[groupId] = g;
+                snap.Groups.Add(g);
+            }
+        }
+    }
+
     /// <summary>
     /// 判断硬件是否属于慢通道（低频 Update 即可）。
     /// 快通道：CPU/GPU/Memory/Network（变化快、查询轻量）

src-tauri/Cargo.toml

@@ -37,7 +37,16 @@ sysinfo = "0.32"
 
 [target.'cfg(windows)'.dependencies]
 winreg = "0.52"
-windows-sys = { version = "0.52", features = ["Win32_Networking_WinInet", "Win32_Foundation", "Win32_Security", "Win32_System_Threading"] }
+windows-sys = { version = "0.52", features = [
+    "Win32_Networking_WinInet",
+    "Win32_Foundation",
+    "Win32_Security",
+    "Win32_System_Threading",
+    "Win32_UI_WindowsAndMessaging",
+    "Win32_UI_HiDpi",
+    "Win32_UI_Input_KeyboardAndMouse",
+    "Win32_Graphics_Gdi",
+] }
 
 [target.'cfg(not(any(target_os = "android", target_os = "ios")))'.dependencies]
 tauri-plugin-autostart = "2"

src-tauri/capabilities/default.json

@@ -20,6 +20,12 @@
     "core:window:allow-set-effects",
     "core:window:allow-set-background-color",
     "core:window:allow-set-theme",
+    "core:webview:allow-create-webview-window",
+    "core:window:allow-set-position",
+    "core:window:allow-set-size",
+    "core:window:allow-set-always-on-top",
+    "core:window:allow-set-skip-taskbar",
+    "core:window:allow-set-decorations",
     "snap-layout:default"
   ]
 }

src-tauri/capabilities/osd.json

@@ -0,0 +1,23 @@
+{
+  "$schema": "../gen/schemas/desktop-schema.json",
+  "identifier": "osd",
+  "description": "Capability for OSD overlay window",
+  "windows": ["osd-overlay"],
+  "permissions": [
+    "core:default",
+    "core:window:allow-hide",
+    "core:window:allow-show",
+    "core:window:allow-set-focus",
+    "core:window:allow-start-dragging",
+    "core:window:allow-set-position",
+    "core:window:allow-set-size",
+    "core:window:allow-set-always-on-top",
+    "core:window:allow-set-skip-taskbar",
+    "core:window:allow-set-decorations",
+    "core:window:allow-set-ignore-cursor-events",
+    "core:window:allow-close",
+    "core:event:allow-emit",
+    "core:event:allow-listen",
+    "snap-layout:default"
+  ]
+}

src-tauri/src/lib.rs

@@ -6,6 +6,7 @@ mod logger;
 mod mihomo_manager;
 mod monitor_kernel;
 mod network_monitor;
+mod osd_window;
 mod process_manager;
 
 use download_engine::{
@@ -31,6 +32,10 @@ use monitor_kernel::{
     monitor_stop, MonitorKernel,
 };
 use network_monitor::{network_monitor_status, NetworkMonitor};
+use osd_window::{
+    osd_apply_overlay_style, osd_begin_drag, osd_set_click_through, osd_set_topmost,
+    osd_start_drag_watch, osd_start_topmost_watch, osd_stop_watch,
+};
 use process_manager::{
     get_all_process_status, get_process_status, start_monitoring_thread, start_process,
     stop_all_processes, stop_process, ProcessManager,
@@ -122,6 +127,13 @@ pub fn run() {
             monitor_get_hardware_config,
             monitor_set_hardware_config,
             network_monitor_status,
+            osd_apply_overlay_style,
+            osd_begin_drag,
+            osd_set_click_through,
+            osd_set_topmost,
+            osd_start_drag_watch,
+            osd_start_topmost_watch,
+            osd_stop_watch,
             downloader_get_tasks,
             downloader_add_task,
             downloader_pause_task,

src-tauri/src/osd_window.rs

@@ -0,0 +1,366 @@
+//! OSD 悬浮窗 Windows 原生窗口管理
+//!
+//! 提供：
+//! - NoActivate（不获取焦点）：设置 WS_EX_NOACTIVATE 扩展样式
+//! - 右键长按拖动：轮询 GetAsyncKeyState 检测右键长按，触发拖动事件
+//! - 任务栏覆盖检测：轮询 GetForegroundWindow，检测系统 UI 出现时暂时取消置顶
+
+use std::sync::atomic::{AtomicBool, Ordering};
+use std::sync::{Arc, OnceLock};
+use std::thread;
+use std::time::{Duration, Instant};
+use tauri::{AppHandle, Emitter};
+
+/// 右键拖动监视线程停止标志（全局，仅一个 OSD 悬浮窗）
+static DRAG_STOP: OnceLock<Arc<AtomicBool>> = OnceLock::new();
+/// 任务栏覆盖监视线程停止标志
+static TOPMOST_STOP: OnceLock<Arc<AtomicBool>> = OnceLock::new();
+
+fn drag_stop() -> &'static Arc<AtomicBool> {
+    DRAG_STOP.get_or_init(|| Arc::new(AtomicBool::new(true)))
+}
+
+fn topmost_stop() -> &'static Arc<AtomicBool> {
+    TOPMOST_STOP.get_or_init(|| Arc::new(AtomicBool::new(true)))
+}
+
+#[cfg(windows)]
+mod win_api {
+    use tauri::{AppHandle, Manager};
+    use windows_sys::Win32::Foundation::{POINT, RECT};
+    use windows_sys::Win32::UI::Input::KeyboardAndMouse::{GetAsyncKeyState, VK_RBUTTON};
+    use windows_sys::Win32::UI::WindowsAndMessaging::{
+        GetClassNameW, GetCursorPos, GetForegroundWindow, GetWindowLongPtrW,
+        GetWindowRect, SendMessageW, SetWindowLongPtrW, SetWindowPos,
+        GWL_EXSTYLE, HTCAPTION, HWND_NOTOPMOST, HWND_TOPMOST, SWP_NOACTIVATE, SWP_NOMOVE,
+        SWP_NOSIZE, SWP_SHOWWINDOW, WM_NCLBUTTONDOWN, WS_EX_NOACTIVATE, WS_EX_TOOLWINDOW,
+        WS_EX_TRANSPARENT,
+    };
+
+    /// windows-sys 的 HWND 类型别名（isize）
+    pub type Hwnd = isize;
+
+    /// 从 Tauri 窗口标签获取原生 HWND
+    pub fn get_hwnd(label: &str, app: &AppHandle) -> Option<Hwnd> {
+        let win = app.get_webview_window(label)?;
+        let hwnd = win.hwnd().ok()?;
+        // Tauri 的 hwnd() 返回 windows::Win32::Foundation::HWND(pub *mut c_void)
+        // 转为 isize 用于 windows-sys 调用
+        Some(hwnd.0 as isize)
+    }
+
+    /// 设置窗口扩展样式：WS_EX_NOACTIVATE | WS_EX_TOOLWINDOW
+    pub fn apply_no_activate(hwnd: Hwnd) {
+        unsafe {
+            let ex = GetWindowLongPtrW(hwnd, GWL_EXSTYLE);
+            let new_ex = ex | (WS_EX_NOACTIVATE as isize) | (WS_EX_TOOLWINDOW as isize);
+            SetWindowLongPtrW(hwnd, GWL_EXSTYLE, new_ex);
+        }
+    }
+
+    /// 设置点击穿透（WS_EX_TRANSPARENT）
+    pub fn set_click_through(hwnd: Hwnd, enabled: bool) {
+        unsafe {
+            let ex = GetWindowLongPtrW(hwnd, GWL_EXSTYLE);
+            let new_ex = if enabled {
+                ex | (WS_EX_TRANSPARENT as isize)
+            } else {
+                ex & !(WS_EX_TRANSPARENT as isize)
+            };
+            SetWindowLongPtrW(hwnd, GWL_EXSTYLE, new_ex);
+        }
+    }
+
+    /// 获取鼠标光标位置
+    pub fn get_cursor_pos() -> Option<POINT> {
+        let mut pt = POINT { x: 0, y: 0 };
+        unsafe {
+            if GetCursorPos(&mut pt) != 0 {
+                Some(pt)
+            } else {
+                None
+            }
+        }
+    }
+
+    /// 获取窗口矩形
+    pub fn get_window_rect(hwnd: Hwnd) -> Option<RECT> {
+        let mut rect = RECT {
+            left: 0,
+            top: 0,
+            right: 0,
+            bottom: 0,
+        };
+        unsafe {
+            if GetWindowRect(hwnd, &mut rect) != 0 {
+                Some(rect)
+            } else {
+                None
+            }
+        }
+    }
+
+    /// 判断点是否在窗口矩形内
+    pub fn point_in_rect(pt: POINT, rect: RECT) -> bool {
+        pt.x >= rect.left && pt.x <= rect.right && pt.y >= rect.top && pt.y <= rect.bottom
+    }
+
+    /// 判断右键是否按下
+    pub fn is_rbutton_down() -> bool {
+        // GetAsyncKeyState 返回 i16，最高位为 1 表示按下
+        // 转 u16 后与 0x8000 进行按位与，避免 i16 字面量溢出
+        unsafe { (GetAsyncKeyState(VK_RBUTTON as i32) as u16 & 0x8000) != 0 }
+    }
+
+    /// 获取前景窗口
+    pub fn get_foreground_window() -> Hwnd {
+        unsafe { GetForegroundWindow() }
+    }
+
+    /// 获取窗口类名
+    pub fn get_class_name(hwnd: Hwnd) -> Option<String> {
+        let mut buf = [0u16; 256];
+        unsafe {
+            let len = GetClassNameW(hwnd, buf.as_mut_ptr(), buf.len() as i32);
+            if len > 0 {
+                Some(String::from_utf16_lossy(&buf[..len as usize]))
+            } else {
+                None
+            }
+        }
+    }
+
+    /// 设置窗口置顶状态
+    pub fn set_topmost(hwnd: Hwnd, topmost: bool) {
+        unsafe {
+            let insert_after = if topmost {
+                HWND_TOPMOST
+            } else {
+                HWND_NOTOPMOST
+            };
+            SetWindowPos(
+                hwnd,
+                insert_after,
+                0,
+                0,
+                0,
+                0,
+                SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE | SWP_SHOWWINDOW,
+            );
+        }
+    }
+
+    /// 启动原生拖动：发送 WM_NCLBUTTONDOWN(HTCAPTION) 进入标题栏拖动
+    ///
+    /// 调用前应已关闭 WS_EX_TRANSPARENT（点击穿透），否则窗口无法接收后续鼠标事件。
+    /// SendMessageW 会阻塞直到拖动结束，应在独立线程调用。
+    pub fn begin_drag(hwnd: Hwnd) {
+        unsafe {
+            // 获取当前鼠标位置，编码为 LPARAM（低字 x，高字 y）
+            let pt = get_cursor_pos().unwrap_or(POINT { x: 0, y: 0 });
+            let lparam = ((pt.y as isize) << 16) | (pt.x as isize & 0xFFFF);
+            SendMessageW(hwnd, WM_NCLBUTTONDOWN, HTCAPTION as usize, lparam);
+        }
+    }
+
+    /// 判断窗口类名是否为系统 UI（任务栏、开始菜单、通知区域等）
+    pub fn is_system_ui_class(class_name: &str) -> bool {
+        matches!(
+            class_name,
+            "Shell_TrayWnd"                        // 任务栏
+            | "Shell_SecondaryTrayWnd"             // 副任务栏
+            | "Windows.UI.Core.CoreWindow"         // UWP 系统弹窗（开始菜单、通知中心、日历等）
+            | "XamlExplorerHostIslandWindow"       // Win11 系统弹窗容器
+            | "TopLevelWindowForOverflowSink"      // Win11 系统托盘溢出
+            | "TopLevelWindowForHiddenRegion"      // Win11 系统隐藏区域
+            | "Windows.UI.Shell.ShellFlyoutWindow" // Win11 Shell 弹出
+        )
+    }
+}
+
+/// 应用 OSD 悬浮窗的原生样式（NoActivate + ToolWindow）
+#[tauri::command]
+pub fn osd_apply_overlay_style(label: String, app: AppHandle) -> Result<(), String> {
+    #[cfg(windows)]
+    {
+        let hwnd = win_api::get_hwnd(&label, &app)
+            .ok_or_else(|| format!("窗口 {} 不存在", label))?;
+        win_api::apply_no_activate(hwnd);
+        eprintln!("[osd] 已应用 NoActivate 样式到窗口 {}", label);
+    }
+    Ok(())
+}
+
+/// 启动右键长按拖动监视
+///
+/// 轮询检测右键按下，持续超过 400ms 且鼠标在 OSD 窗口上方时，
+/// 发出 `osd-start-drag` 事件通知前端临时关闭点击穿透并开始拖动。
+/// 右键释放后发出 `osd-end-drag` 事件。
+#[tauri::command]
+pub fn osd_start_drag_watch(label: String, app: AppHandle) -> Result<(), String> {
+    // 停止旧线程，等待退出
+    drag_stop().store(true, Ordering::SeqCst);
+    thread::sleep(Duration::from_millis(50));
+    let stop_flag = drag_stop().clone();
+    stop_flag.store(false, Ordering::SeqCst);
+
+    let app_handle = app.clone();
+
+    thread::spawn(move || {
+        let mut rbutton_was_down = false;
+        let mut press_start: Option<Instant> = None;
+        let mut drag_emitted = false;
+
+        loop {
+            if stop_flag.load(Ordering::SeqCst) {
+                break;
+            }
+
+            #[cfg(windows)]
+            {
+                let rbutton_down = win_api::is_rbutton_down();
+
+                if rbutton_down && !rbutton_was_down {
+                    // 右键刚按下
+                    press_start = Some(Instant::now());
+                    drag_emitted = false;
+                } else if rbutton_down && rbutton_was_down {
+                    // 右键持续按住，检测长按
+                    if !drag_emitted {
+                        if let Some(start) = press_start {
+                            if start.elapsed() >= Duration::from_millis(400) {
+                                if let Some(hwnd) = win_api::get_hwnd(&label, &app_handle) {
+                                    if let (Some(pt), Some(rect)) =
+                                        (win_api::get_cursor_pos(), win_api::get_window_rect(hwnd))
+                                    {
+                                        if win_api::point_in_rect(pt, rect) {
+                                            let _ = app_handle.emit("osd-start-drag", ());
+                                            drag_emitted = true;
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                } else if !rbutton_down && rbutton_was_down {
+                    // 右键释放
+                    if drag_emitted {
+                        let _ = app_handle.emit("osd-end-drag", ());
+                    }
+                    press_start = None;
+                    drag_emitted = false;
+                }
+
+                rbutton_was_down = rbutton_down;
+            }
+
+            thread::sleep(Duration::from_millis(30));
+        }
+    });
+
+    Ok(())
+}
+
+/// 启动任务栏覆盖监视
+///
+/// 轮询检测前景窗口变化，当系统 UI（任务栏弹窗、开始菜单等）变为前景时，
+/// 发出 `osd-system-ui-active` 事件通知前端暂时取消置顶；
+/// 系统 UI 关闭后发出 `osd-system-ui-inactive` 事件恢复置顶。
+#[tauri::command]
+pub fn osd_start_topmost_watch(app: AppHandle) -> Result<(), String> {
+    topmost_stop().store(true, Ordering::SeqCst);
+    thread::sleep(Duration::from_millis(50));
+    let stop_flag = topmost_stop().clone();
+    stop_flag.store(false, Ordering::SeqCst);
+
+    let app_handle = app.clone();
+
+    thread::spawn(move || {
+        let mut last_foreground: isize = 0;
+        let mut system_ui_active = false;
+
+        loop {
+            if stop_flag.load(Ordering::SeqCst) {
+                break;
+            }
+
+            #[cfg(windows)]
+            {
+                let fg = win_api::get_foreground_window();
+                if fg != last_foreground {
+                    last_foreground = fg;
+                    if let Some(class) = win_api::get_class_name(fg) {
+                        if win_api::is_system_ui_class(&class) {
+                            if !system_ui_active {
+                                system_ui_active = true;
+                                let _ = app_handle.emit("osd-system-ui-active", ());
+                            }
+                        } else if system_ui_active {
+                            system_ui_active = false;
+                            let _ = app_handle.emit("osd-system-ui-inactive", ());
+                        }
+                    } else if system_ui_active {
+                        system_ui_active = false;
+                        let _ = app_handle.emit("osd-system-ui-inactive", ());
+                    }
+                }
+            }
+
+            thread::sleep(Duration::from_millis(150));
+        }
+    });
+
+    Ok(())
+}
+
+/// 停止所有 OSD 监视线程
+#[tauri::command]
+pub fn osd_stop_watch() {
+    drag_stop().store(true, Ordering::SeqCst);
+    topmost_stop().store(true, Ordering::SeqCst);
+}
+
+/// 设置点击穿透（Rust 侧原生 WS_EX_TRANSPARENT，比 JS setIgnoreCursorEvents 更可靠）
+#[tauri::command]
+pub fn osd_set_click_through(label: String, enabled: bool, app: AppHandle) -> Result<(), String> {
+    #[cfg(windows)]
+    {
+        let hwnd = win_api::get_hwnd(&label, &app)
+            .ok_or_else(|| format!("窗口 {} 不存在", label))?;
+        win_api::set_click_through(hwnd, enabled);
+    }
+    Ok(())
+}
+
+/// 设置窗口置顶状态（Rust 侧原生 SetWindowPos）
+#[tauri::command]
+pub fn osd_set_topmost(label: String, topmost: bool, app: AppHandle) -> Result<(), String> {
+    #[cfg(windows)]
+    {
+        let hwnd = win_api::get_hwnd(&label, &app)
+            .ok_or_else(|| format!("窗口 {} 不存在", label))?;
+        win_api::set_topmost(hwnd, topmost);
+    }
+    Ok(())
+}
+
+/// 启动原生拖动（右键长按触发）
+///
+/// 同步关闭点击穿透（WS_EX_TRANSPARENT），然后在独立线程中调用
+/// `SendMessage(WM_NCLBUTTONDOWN, HTCAPTION)` 进入原生标题栏拖动模式。
+/// 相比前端 `startDragging()`，此方式在 WS_EX_NOACTIVATE 窗口上更可靠。
+#[tauri::command]
+pub fn osd_begin_drag(label: String, app: AppHandle) -> Result<(), String> {
+    #[cfg(windows)]
+    {
+        let hwnd = win_api::get_hwnd(&label, &app)
+            .ok_or_else(|| format!("窗口 {} 不存在", label))?;
+        // 先同步关闭穿透，确保窗口能接收后续鼠标事件
+        win_api::set_click_through(hwnd, false);
+        // SendMessageW 会阻塞直到拖动结束，在独立线程中调用避免阻塞 IPC
+        thread::spawn(move || {
+            win_api::begin_drag(hwnd);
+        });
+    }
+    Ok(())
+}

src/main.ts

@@ -1,12 +1,8 @@
 import { createApp } from 'vue'
 import { createPinia } from 'pinia'
-import App from './App.vue'
 import './style.css'
 import 'vue-sonner/style.css'
 
-// 导入模块注册入口 —— 副作用导入，注册所有模块到 moduleRegistry
-import './modules'
-
 import { createLogger } from './lib/logger'
 const logger = createLogger('main')
 
@@ -19,17 +15,33 @@ window.addEventListener('unhandledrejection', (event) => {
   logger.error(`未处理的Promise拒绝: ${event.reason}`)
 })
 
-logger.info('Thing 应用启动')
+// ===== OSD 窗口模式检测 =====
+// 通过 URL hash 识别：#osd-overlay（悬浮窗）
+// OSD 窗口是精简的独立 Vue 应用，不加载主应用的 store 和模块
+const osdHash = window.location.hash
+if (osdHash === '#osd-overlay') {
+  logger.info(`OSD 窗口启动: ${osdHash}`)
+  void import('./modules/monitor/OsdWindow.vue').then(({ default: OsdWindow }) => {
+    const app = createApp(OsdWindow)
+    app.mount('#app')
+  })
+} else {
+  // ===== 主应用模式 =====
+  void import('./App.vue').then(async ({ default: App }) => {
+    // 导入模块注册入口 —— 副作用导入，注册所有模块到 moduleRegistry
+    await import('./modules')
 
-const app = createApp(App)
-const pinia = createPinia()
+    logger.info('Thing 应用启动')
 
-app.use(pinia)
+    const app = createApp(App)
+    const pinia = createPinia()
 
-app.mount('#app')
+    app.use(pinia)
 
-// 应用挂载后初始化搜索索引和进程监听（不阻塞首屏渲染）
-void import('./stores/searchStore').then(({ useSearchStore }) => {
+    app.mount('#app')
+
+    // 应用挂载后初始化搜索索引和进程监听（不阻塞首屏渲染）
+    void import('./stores/searchStore').then(({ useSearchStore }) => {
       const searchStore = useSearchStore()
       searchStore.initGlobalIndex()
 
@@ -42,8 +54,11 @@ void import('./stores/searchStore').then(({ useSearchStore }) => {
           }
         })
       })
-})
+    })
 
-void import('./stores/processStore').then(({ useProcessStore }) => {
+    void import('./stores/processStore').then(({ useProcessStore }) => {
       useProcessStore().initListener().catch(e => console.error('Process listener init error:', e))
-})
+    })
+  })
+}
+

src/modules/monitor/OsdWindow.vue

@@ -0,0 +1,775 @@
+<script setup lang="ts">
+import { ref, computed, onMounted, onUnmounted, watch, nextTick } from 'vue'
+import { listen, emit, type UnlistenFn } from '@tauri-apps/api/event'
+import { getCurrentWindow } from '@tauri-apps/api/window'
+import { invoke } from '@tauri-apps/api/core'
+
+// ===== 数据契约（与主窗口 MonitorModule 共享，此处独立声明避免循环依赖） =====
+interface OsdItem {
+  key: string
+  groupId: string
+  sensorName: string
+  hardwareName: string
+  type: string
+  unit: string
+  special?: 'net-up' | 'net-down'
+}
+
+interface ColorTheme {
+  hardware: Record<string, string>
+  sensor: Record<string, string>
+}
+
+/** 警告色配置：阈值百分比 + 警告/严重颜色 */
+interface AlertConfig {
+  /** 警告色开关 */
+  enabled: boolean
+  /** 警告阈值百分比（达到即变警告色，如 80） */
+  warnThreshold: number
+  /** 严重阈值百分比（达到即变严重色，如 90） */
+  criticalThreshold: number
+  /** 警告色（淡红，hex） */
+  warnColor: string
+  /** 严重色（大红，hex） */
+  criticalColor: string
+  /** 各硬件类型的最大值（用于将温度等非百分比值转为百分比）
+   *  CPU 温度墙默认 100，GPU 默认 85 */
+  maxValues: Record<string, number>
+}
+
+interface OsdConfig {
+  overlayEnabled: boolean
+  overlayItems: OsdItem[]
+  positionXPct: number
+  positionYPct: number
+  overlayOpacity: number
+  fontSize: number
+  showUnit: boolean
+  showLabel: boolean
+  labelLanguage: 'zh' | 'en'
+  /** 布局：'single' 单行分组式（组间用 | 分隔，固定宽度），
+   *  'group' 分组横排（标题在上+数据列在下），'multiline' 多行（每组一行，左对齐，类小飞机） */
+  layout: 'single' | 'group' | 'multiline'
+  updateIntervalMs: number
+  /** 鼠标穿透：true 时窗口不接收鼠标事件（需关闭穿透才能拖动） */
+  clickThrough: boolean
+  /** 默认文字颜色（hex），颜色主题关闭时使用 */
+  fontColor: string
+  /** 字体不透明度 0-100（独立于悬浮窗透明度） */
+  fontOpacity: number
+  /** 悬浮窗背景色（CSS 颜色字符串，如 rgba(0,0,0,0.55)） */
+  bgColor: string
+  /** 启用颜色主题（按硬件/传感器类型着色） */
+  colorThemeEnabled: boolean
+  /** 颜色主题配置 */
+  colorTheme: ColorTheme
+  /** 字体描边开关（默认关闭） */
+  fontStrokeEnabled: boolean
+  /** 字体描边厚度（px，默认 1） */
+  fontStrokeWidth: number
+  /** 字体描边颜色（hex，默认 #000000） */
+  fontStrokeColor: string
+  /** 警告色配置 */
+  alert: AlertConfig
+  /** 悬浮窗窗口保存位置（null=使用百分比计算默认位置） */
+  overlayX?: number | null
+  overlayY?: number | null
+}
+
+interface SensorEntry {
+  name: string
+  type: string
+  hardwareName: string
+  value: number | null
+  unit: string
+}
+
+interface SensorGroup {
+  id: string
+  sensors: SensorEntry[]
+}
+
+interface SensorSnapshot {
+  groups: SensorGroup[]
+}
+
+interface NetworkSpeed {
+  downloadBps: number
+  uploadBps: number
+}
+
+interface OsdStatePayload {
+  config: OsdConfig
+  snapshot: SensorSnapshot | null
+  networkSpeed: NetworkSpeed | null
+}
+
+// ===== 默认颜色主题（小飞机风格） =====
+const DEFAULT_COLOR_THEME: ColorTheme = {
+  hardware: {
+    cpu: '#4A9EFF',
+    gpuintel: '#9D4EFF',
+    gpuamd: '#9D4EFF',
+    gpunvidia: '#9D4EFF',
+    memory: '#FF9F4A',
+    storage: '#4AFF9F',
+    motherboard: '#FFD700',
+    superio: '#B0B0B0',
+    embeddedcontroller: '#B0B0B0',
+    battery: '#FF4A9F',
+    network: '#4AFFFF',
+    psu: '#FF4A4A',
+  },
+  sensor: {
+    temperature: '#FF6B6B',
+    load: '#4A9EFF',
+    power: '#FFD700',
+    voltage: '#9D4EFF',
+    fan: '#B0B0B0',
+    clock: '#4AFF9F',
+    data: '#FF9F4A',
+    smalldata: '#FF9F4A',
+    throughput: '#4AFFFF',
+    level: '#FF4A9F',
+    control: '#FFA500',
+    frequency: '#4AFF9F',
+    factor: '#FF4A4A',
+    timespan: '#B0B0B0',
+    energy: '#FFD700',
+    noise: '#B0B0B0',
+    conductivity: '#4AFFFF',
+    humidity: '#4A9EFF',
+    flow: '#4AFFFF',
+  },
+}
+
+/** 默认警告色配置：CPU 温度墙 100°C，GPU 85°C；百分比类直接用值 */
+const DEFAULT_ALERT_CONFIG: AlertConfig = {
+  enabled: false,
+  warnThreshold: 80,
+  criticalThreshold: 90,
+  warnColor: '#FF6B6B',
+  criticalColor: '#FF0000',
+  maxValues: {
+    cpu: 100,
+    gpu: 85,
+    gpuintel: 85,
+    gpuamd: 85,
+    gpunvidia: 85,
+  },
+}
+
+/** 计算某项的警告百分比（0-100）
+ *  百分比类传感器（load/level）直接用值；温度等需除以该硬件类型的最大值 */
+function itemAlertPct(item: OsdItem, value: number): number {
+  if (value == null || !isFinite(value)) return 0
+  // 百分比类传感器直接用值
+  if (item.type === 'load' || item.type === 'level') {
+    return value
+  }
+  // 温度等需除以该硬件类型的最大值
+  if (item.type === 'temperature') {
+    const alert = config.value?.alert ?? DEFAULT_ALERT_CONFIG
+    // GPU 系列合并查找
+    let gkey = item.groupId
+    if (gkey.startsWith('gpu')) gkey = 'gpu'
+    const max = alert.maxValues[gkey] ?? alert.maxValues[item.groupId] ?? 100
+    return (value / max) * 100
+  }
+  return 0
+}
+
+/** 获取项的警告色（若达到阈值），否则返回 null */
+function itemAlertColor(item: OsdItem): string | null {
+  const alert = config.value?.alert
+  if (!alert?.enabled) return null
+  const value = getOsdItemValue(item)
+  if (value == null || !isFinite(value)) return null
+  const pct = itemAlertPct(item, value)
+  if (pct >= alert.criticalThreshold) return alert.criticalColor
+  if (pct >= alert.warnThreshold) return alert.warnColor
+  return null
+}
+
+// ===== 标签生成（根据 labelLanguage 返回中文通俗标题或英文传感器名） =====
+
+/** 是否英文模式 */
+function isEn(): boolean {
+  return config.value?.labelLanguage === 'en'
+}
+
+// ===== 分组（group / multiline / single 布局用） =====
+
+interface OsdGroup {
+  /** 分组 key：cpu / gpu / memory / storage / network / ... */
+  key: string
+  /** 分组标题：CPU / GPU / 内存 / 网络 ... */
+  label: string
+  items: OsdItem[]
+}
+
+/** 将显示项按硬件类型分组（GPU 系列合并为 gpu，网速特殊项归入 network） */
+function groupOsdItems(items: OsdItem[]): OsdGroup[] {
+  const groups: OsdGroup[] = []
+  const map = new Map<string, OsdGroup>()
+  for (const item of items) {
+    let gkey: string
+    if (item.special === 'net-up' || item.special === 'net-down') {
+      gkey = 'network'
+    } else if (item.groupId.startsWith('gpu')) {
+      gkey = 'gpu'
+    } else {
+      gkey = item.groupId
+    }
+    let g = map.get(gkey)
+    if (!g) {
+      g = { key: gkey, label: groupLabel(gkey), items: [] }
+      map.set(gkey, g)
+      groups.push(g)
+    }
+    g.items.push(item)
+  }
+  return groups
+}
+
+/** 分组标题 */
+function groupLabel(gkey: string): string {
+  if (isEn()) {
+    switch (gkey) {
+      case 'cpu': return 'CPU'
+      case 'gpu': return 'GPU'
+      case 'memory': return 'RAM'
+      case 'storage': return 'DISK'
+      case 'network': return 'NET'
+      case 'motherboard': return 'MB'
+      case 'battery': return 'BAT'
+      case 'psu': return 'PSU'
+      default: return gkey.toUpperCase().slice(0, 6)
+    }
+  }
+  switch (gkey) {
+    case 'cpu': return 'CPU'
+    case 'gpu': return 'GPU'
+    case 'memory': return '内存'
+    case 'storage': return '存储'
+    case 'network': return '网络'
+    case 'motherboard': return '主板'
+    case 'battery': return '电池'
+    case 'psu': return '电源'
+    default: return gkey
+  }
+}
+
+/** 网络方向箭头 */
+function netArrow(item: OsdItem): string {
+  if (item.special === 'net-up') return '↑'
+  if (item.special === 'net-down') return '↓'
+  return ''
+}
+
+// ===== 固定宽度格式化（group / multiline 布局用，避免数据变动导致宽度跳动） =====
+
+/** 右对齐补空格到指定宽度 */
+function padNum(s: string, width: number): string {
+  return s.length >= width ? s : ' '.repeat(width - s.length) + s
+}
+
+/** 固定宽度数值（不含单位），按传感器类型决定小数位和宽度 */
+function fmtFixedValue(v: number | null, item: OsdItem): string {
+  if (v == null || !isFinite(v)) return '--'
+  if (item.special === 'net-up' || item.special === 'net-down') {
+    // 分割显示的数值部分：6 字符宽度
+    if (v >= 1_048_576) return padNum((v / 1_048_576).toFixed(2), 6)
+    if (v >= 1024) return padNum((v / 1024).toFixed(1), 6)
+    return padNum(v.toFixed(0), 6)
+  }
+  switch (item.type) {
+    case 'load':
+    case 'level':
+      return padNum(Math.round(v).toString(), 3) // 0-100 → 3 字符
+    case 'temperature':
+      return padNum(Math.round(v).toString(), 3) // 0-150 → 3 字符
+    case 'power':
+    case 'voltage':
+      return padNum(v.toFixed(2), 5) // 12.34 → 5 字符
+    case 'clock':
+    case 'frequency':
+      return padNum(Math.round(v).toString(), 4) // 4500 → 4 字符
+    case 'fan':
+      return padNum(Math.round(v).toString(), 4) // 3500 → 4 字符
+    case 'data':
+    case 'smalldata':
+      return padNum(v.toFixed(1), 5) // 1024.0 → 5 字符
+    default:
+      return padNum(v.toFixed(1), 5)
+  }
+}
+
+/** 固定宽度单位（网速分割显示时返回 4 字符单位） */
+function fmtFixedUnit(item: OsdItem): string {
+  if (item.special === 'net-up' || item.special === 'net-down') {
+    const v = getOsdItemValue(item)
+    if (v == null || !isFinite(v)) return '    '
+    if (v >= 1_048_576) return 'MB/s'
+    if (v >= 1024) return 'KB/s'
+    return ' B/s'
+  }
+  if (!config.value?.showUnit) return ''
+  switch (item.type) {
+    case 'temperature': return '°C'
+    case 'load': return '%'
+    case 'power': return 'W'
+    case 'voltage': return 'V'
+    case 'fan': return 'RPM'
+    case 'clock':
+    case 'frequency': return 'MHz'
+    case 'data':
+    case 'smalldata': return 'GB'
+    case 'level': return '%'
+    default: return item.unit || ''
+  }
+}
+
+// ===== 状态 =====
+const config = ref<OsdConfig | null>(null)
+const snapshot = ref<SensorSnapshot | null>(null)
+const networkSpeed = ref<NetworkSpeed | null>(null)
+let unlistenFns: UnlistenFn[] = []
+
+// ===== 数据查询 =====
+function getOsdItemValue(item: OsdItem): number | null {
+  if (item.special === 'net-up') return networkSpeed.value?.uploadBps ?? null
+  if (item.special === 'net-down') return networkSpeed.value?.downloadBps ?? null
+  if (!snapshot.value) return null
+  for (const g of snapshot.value.groups) {
+    if (g.id !== item.groupId) continue
+    const s = g.sensors.find(s =>
+      s.hardwareName === item.hardwareName && s.name === item.sensorName && s.type === item.type
+    )
+    if (s) return s.value ?? null
+  }
+  return null
+}
+
+// ===== 颜色主题 =====
+
+/** 将 hex 颜色 + 不透明度(0-100) 转为 rgba 字符串 */
+function withOpacity(hex: string, opacityPct: number): string {
+  const a = Math.max(0, Math.min(100, opacityPct)) / 100
+  // 解析 #RGB / #RRGGBB / #RRGGBBAA
+  let h = hex.replace('#', '').trim()
+  if (h.length === 3) h = h.split('').map(c => c + c).join('')
+  if (h.length === 8) {
+    // 已含 alpha，先解析再用新 alpha 覆盖
+    h = h.slice(0, 6)
+  }
+  if (h.length !== 6 || /[^0-9a-fA-F]/.test(h)) return hex // 解析失败，原样返回
+  const r = parseInt(h.slice(0, 2), 16)
+  const g = parseInt(h.slice(2, 4), 16)
+  const b = parseInt(h.slice(4, 6), 16)
+  return `rgba(${r}, ${g}, ${b}, ${a})`
+}
+
+function itemColor(item: OsdItem): string {
+  const opacity = config.value?.fontOpacity ?? 100
+  if (!config.value?.colorThemeEnabled) return withOpacity(config.value?.fontColor ?? '#ffffff', opacity)
+  const theme = config.value.colorTheme ?? DEFAULT_COLOR_THEME
+  // 优先按硬件类型着色
+  const hwColor = theme.hardware[item.groupId]
+  if (hwColor) return withOpacity(hwColor, opacity)
+  // 其次按传感器类型着色
+  const sensorColor = theme.sensor[item.type]
+  if (sensorColor) return withOpacity(sensorColor, opacity)
+  return withOpacity(config.value?.fontColor ?? '#ffffff', opacity)
+}
+
+/** 项颜色（含警告色优先：达到阈值时覆盖为警告/严重色） */
+function itemColorWithAlert(item: OsdItem): string {
+  const opacity = config.value?.fontOpacity ?? 100
+  const alertCol = itemAlertColor(item)
+  if (alertCol) return withOpacity(alertCol, opacity)
+  return itemColor(item)
+}
+
+/** 分组标题警告色：组内任一项达到严重阈值则标题变严重色，达到警告阈值则变警告色，否则用默认色 */
+function groupLabelColor(g: OsdGroup): string {
+  const opacity = config.value?.fontOpacity ?? 100
+  const alert = config.value?.alert
+  if (!alert?.enabled) return withOpacity(config.value?.fontColor ?? '#ffffff', opacity)
+  let maxPct = 0
+  for (const item of g.items) {
+    const v = getOsdItemValue(item)
+    if (v == null || !isFinite(v)) continue
+    const pct = itemAlertPct(item, v)
+    if (pct > maxPct) maxPct = pct
+  }
+  if (maxPct >= alert.criticalThreshold) return withOpacity(alert.criticalColor, opacity)
+  if (maxPct >= alert.warnThreshold) return withOpacity(alert.warnColor, opacity)
+  return withOpacity(config.value?.fontColor ?? '#ffffff', opacity)
+}
+
+const fontColor = computed(() => withOpacity(config.value?.fontColor ?? '#ffffff', config.value?.fontOpacity ?? 100))
+
+/** 字体描边样式（通过 8 方向 text-shadow 实现描边效果） */
+const fontStrokeStyle = computed(() => {
+  if (!config.value?.fontStrokeEnabled) return ''
+  const w = config.value?.fontStrokeWidth ?? 1
+  const c = config.value?.fontStrokeColor ?? '#000000'
+  // 8 方向阴影构成描边
+  const s = `${w}px 0 0 ${c}, -${w}px 0 0 ${c}, 0 ${w}px 0 ${c}, 0 -${w}px 0 ${c}, ${w}px ${w}px 0 ${c}, -${w}px -${w}px 0 ${c}, ${w}px -${w}px 0 ${c}, -${w}px ${w}px 0 ${c}`
+  return `text-shadow: ${s}`
+})
+
+/** 分组后的显示项（group / multiline 布局用） */
+const osdGroups = computed<OsdGroup[]>(() => {
+  if (!config.value?.overlayItems?.length) return []
+  return groupOsdItems(config.value.overlayItems)
+})
+
+// ===== 窗口拖动（右键长按触发，由 Rust 后端检测并发事件） =====
+async function startNativeDrag() {
+  try {
+    await getCurrentWindow().startDragging()
+  } catch {
+    /* 忽略 */
+  }
+}
+
+// ===== 实际内容尺寸测量与上报（替代不准确的估算） =====
+const osdRootEl = ref<HTMLElement | null>(null)
+let measureTimer: ReturnType<typeof setTimeout> | null = null
+
+/** 测量 osd-bar 实际渲染尺寸，上报给主窗口调整窗口大小 */
+async function measureAndReportSize() {
+  await nextTick()
+  const root = osdRootEl.value
+  if (!root) return
+  const bar = root.querySelector<HTMLElement>('.osd-bar')
+  if (!bar) return
+  // 用 getBoundingClientRect 取实际尺寸（逻辑像素）
+  const rect = bar.getBoundingClientRect()
+  if (rect.width === 0 || rect.height === 0) return
+  // 额外留 1px 余量避免边缘裁切
+  await emit('osd-content-size', { width: Math.ceil(rect.width) + 1, height: Math.ceil(rect.height) + 1 })
+}
+
+/** 防抖测量（数据频繁更新时合并） */
+function scheduleMeasure() {
+  if (measureTimer) clearTimeout(measureTimer)
+  measureTimer = setTimeout(() => {
+    measureTimer = null
+    void measureAndReportSize()
+  }, 50)
+}
+
+// ===== 应用鼠标穿透 =====
+// 同时调用 Tauri setIgnoreCursorEvents（处理 webview2 子窗口）和 Rust WS_EX_TRANSPARENT（处理原生窗口）
+// 仅靠原生 WS_EX_TRANSPARENT 不足：Tauri 窗口包含 webview2 子窗口，需两者都设置才能完全穿透
+async function applyClickThrough(ignore: boolean) {
+  // 1. Tauri API：处理 webview2 层的鼠标事件穿透
+  try {
+    await getCurrentWindow().setIgnoreCursorEvents(ignore)
+  } catch (e) {
+    console.error('[OSD] setIgnoreCursorEvents 失败:', e)
+  }
+  // 2. Rust 原生：设置 WS_EX_TRANSPARENT 扩展样式（更可靠的原生层穿透）
+  try {
+    await invoke('osd_set_click_through', { label: 'osd-overlay', enabled: ignore })
+  } catch (e) {
+    console.error('[OSD] osd_set_click_through 失败:', e)
+  }
+}
+
+// ===== 应用置顶（使用 Rust 原生命令） =====
+async function applyTopmost(topmost: boolean) {
+  try {
+    await invoke('osd_set_topmost', { label: 'osd-overlay', topmost })
+  } catch (e) {
+    console.error('[OSD] 设置置顶失败:', e)
+  }
+}
+
+// 监听配置变化：应用点击穿透
+watch(() => config.value?.clickThrough, (ignore) => {
+  if (ignore === undefined) return
+  applyClickThrough(Boolean(ignore))
+})
+
+onMounted(async () => {
+  // 应用原生样式（NoActivate + ToolWindow，不获取焦点）
+  try {
+    await invoke('osd_apply_overlay_style', { label: 'osd-overlay' })
+  } catch (e) {
+    console.error('[OSD] 应用原生样式失败:', e)
+  }
+
+  // 默认置顶
+  await applyTopmost(true)
+
+  // 启动任务栏覆盖监视（系统 UI 出现时暂时取消置顶）
+  try {
+    await invoke('osd_start_topmost_watch')
+  } catch (e) {
+    console.error('[OSD] 启动置顶监视失败:', e)
+  }
+
+  // 监听主窗口推送的 OSD 状态
+  unlistenFns.push(await listen<OsdStatePayload>('osd-state-update', (e) => {
+    config.value = e.payload.config
+    snapshot.value = e.payload.snapshot
+    networkSpeed.value = e.payload.networkSpeed
+    // 数据/配置变化后重新测量尺寸
+    scheduleMeasure()
+  }))
+
+  // 监听系统 UI 覆盖事件
+  unlistenFns.push(await listen('osd-system-ui-active', async () => {
+    await applyTopmost(false)
+  }))
+
+  unlistenFns.push(await listen('osd-system-ui-inactive', async () => {
+    await applyTopmost(true)
+  }))
+})
+
+/** 鼠标按下：仅在关闭穿透时响应左键拖动 */
+async function onMouseDown(e: MouseEvent) {
+  if (e.button !== 0) return // 仅左键
+  if (config.value?.clickThrough) return // 穿透模式下不响应
+  e.preventDefault()
+  // 确保穿透已关闭（双保险：防止穿透状态不同步导致 startDragging 无效）
+  await applyClickThrough(false)
+  // 使用 Tauri 官方 startDragging API（比 SendMessageW(WM_NCLBUTTONDOWN) 从其他线程调用更可靠）
+  await startNativeDrag()
+}
+
+onUnmounted(() => {
+  unlistenFns.forEach(fn => fn())
+  // 停止监视线程
+  invoke('osd_stop_watch').catch(() => {})
+})
+</script>
+
+<template>
+  <div
+    v-if="config"
+    ref="osdRootEl"
+    class="osd-root select-none"
+    :style="`font-size: ${config.fontSize}px; ${fontStrokeStyle}`"
+    @mousedown="onMouseDown"
+  >
+    <!-- ===== 单行布局：分组式，组间用 | 分隔，固定宽度 ===== -->
+    <div
+      v-if="config.overlayItems.length && config.layout === 'single'"
+      class="osd-bar osd-bar-single"
+      :style="{ background: config.bgColor }"
+    >
+      <template v-for="(g, gi) in osdGroups" :key="g.key">
+        <span v-if="gi > 0" class="osd-sg-sep" :style="{ color: fontColor }">|</span>
+        <span class="osd-sg-group">
+          <span v-if="config.showLabel" class="osd-sg-label" :style="{ color: groupLabelColor(g) }">{{ g.label }}</span>
+          <span
+            v-for="item in g.items"
+            :key="item.key"
+            class="osd-sg-item"
+            :style="{ color: itemColorWithAlert(item) }"
+          >
+            <span v-if="netArrow(item)" class="osd-net-arrow">{{ netArrow(item) }}</span>
+            <span class="osd-fixed-num">{{ fmtFixedValue(getOsdItemValue(item), item) }}</span>
+            <span class="osd-fixed-unit">{{ fmtFixedUnit(item) }}</span>
+          </span>
+        </span>
+      </template>
+    </div>
+
+    <!-- ===== 分组横排布局：每组标题在上 + 数据列在下，固定宽度 ===== -->
+    <div
+      v-else-if="config.overlayItems.length && config.layout === 'group'"
+      class="osd-bar osd-bar-group"
+      :style="{ background: config.bgColor }"
+    >
+      <div v-for="g in osdGroups" :key="g.key" class="osd-group">
+        <div class="osd-group-header" :style="{ color: groupLabelColor(g) }">{{ g.label }}</div>
+        <div class="osd-group-data">
+          <span
+            v-for="item in g.items"
+            :key="item.key"
+            class="osd-group-item"
+            :style="{ color: itemColorWithAlert(item) }"
+          >
+            <span v-if="netArrow(item)" class="osd-net-arrow">{{ netArrow(item) }}</span>
+            <span class="osd-fixed-num">{{ fmtFixedValue(getOsdItemValue(item), item) }}</span>
+            <span class="osd-fixed-unit">{{ fmtFixedUnit(item) }}</span>
+          </span>
+        </div>
+      </div>
+    </div>
+
+    <!-- ===== 多行布局：每组一行，左对齐，类小飞机 ===== -->
+    <div
+      v-else-if="config.overlayItems.length && config.layout === 'multiline'"
+      class="osd-bar osd-bar-multiline"
+      :style="{ background: config.bgColor }"
+    >
+      <div v-for="g in osdGroups" :key="g.key" class="osd-line">
+        <span class="osd-line-label" :style="{ color: groupLabelColor(g) }">{{ g.label }}</span>
+        <span
+          v-for="item in g.items"
+          :key="item.key"
+          class="osd-line-item"
+          :style="{ color: itemColorWithAlert(item) }"
+        >
+          <span v-if="netArrow(item)" class="osd-net-arrow">{{ netArrow(item) }}</span>
+          <span class="osd-fixed-num">{{ fmtFixedValue(getOsdItemValue(item), item) }}</span>
+          <span class="osd-fixed-unit">{{ fmtFixedUnit(item) }}</span>
+        </span>
+      </div>
+    </div>
+
+    <!-- 无显示项占位 -->
+    <div v-else class="osd-empty">未配置显示项</div>
+  </div>
+</template>
+
+<style scoped>
+/* 根容器：填满窗口 */
+.osd-root {
+  font-family: 'Cascadia Code', 'Consolas', 'Microsoft YaHei', monospace;
+  font-variant-numeric: tabular-nums;
+  background: transparent;
+  width: 100vw;
+  height: 100vh;
+  overflow: hidden;
+  display: flex;
+  align-items: flex-start;
+  justify-content: flex-start;
+  padding: 0;
+}
+
+/* OSD 容器：inline-flex 让宽度自适应内容，每项紧凑排列 */
+.osd-bar {
+  display: inline-flex;
+  flex-wrap: nowrap;
+  align-items: stretch;
+  backdrop-filter: blur(8px);
+  padding: 3px 4px;
+  gap: 0;
+}
+
+/* ===== 单行布局：分组式，组间用 | 分隔 ===== */
+.osd-bar-single {
+  align-items: baseline;
+  gap: 4px;
+}
+
+.osd-sg-sep {
+  opacity: 0.4;
+  font-weight: 400;
+}
+
+.osd-sg-group {
+  display: inline-flex;
+  align-items: baseline;
+  gap: 3px;
+}
+
+.osd-sg-label {
+  font-weight: 400;
+  opacity: 0.7;
+  margin-right: 1px;
+}
+
+.osd-sg-item {
+  display: inline-flex;
+  align-items: baseline;
+  gap: 1px;
+}
+
+/* ===== 分组横排布局：每组标题在上 + 数据列在下 ===== */
+.osd-bar-group {
+  display: inline-flex;
+  flex-wrap: nowrap;
+  align-items: stretch;
+  gap: 8px;
+}
+
+.osd-group {
+  display: flex;
+  flex-direction: column;
+  gap: 2px;
+  padding: 0 4px;
+}
+
+.osd-group-header {
+  font-size: 0.85em;
+  font-weight: 400;
+  text-align: center;
+  opacity: 0.7;
+  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
+  padding-bottom: 1px;
+  white-space: nowrap;
+}
+
+.osd-group-data {
+  display: flex;
+  align-items: baseline;
+  gap: 4px;
+}
+
+.osd-group-item {
+  display: inline-flex;
+  align-items: baseline;
+  gap: 1px;
+}
+
+/* ===== 多行布局：每组一行，左对齐，类小飞机 ===== */
+.osd-bar-multiline {
+  display: inline-flex;
+  flex-direction: column;
+  gap: 1px;
+}
+
+.osd-line {
+  display: flex;
+  align-items: baseline;
+  gap: 4px;
+  white-space: pre;
+}
+
+.osd-line-label {
+  font-weight: 400;
+  opacity: 0.7;
+  min-width: 4ch;
+  text-align: left;
+}
+
+.osd-line-item {
+  display: inline-flex;
+  align-items: baseline;
+  gap: 1px;
+}
+
+/* ===== 固定宽度文本（group / multiline 布局用，white-space: pre 保留 padNum 补的空格） ===== */
+.osd-fixed-num {
+  font-weight: 600;
+  white-space: pre;
+}
+
+.osd-fixed-unit {
+  opacity: 0.7;
+  white-space: pre;
+  margin-left: 1px;
+}
+
+.osd-net-arrow {
+  margin-right: 1px;
+}
+
+.osd-empty {
+  color: rgba(255, 255, 255, 0.5);
+  font-size: 12px;
+  padding: 8px 12px;
+  backdrop-filter: blur(8px);
+  border-radius: 4px;
+}
+</style>

src/stores/monitorStore.ts

@@ -44,7 +44,7 @@ export interface MonitorStatus {
   restartCount: number
   /** 是否为提权模式（通过 UAC 以管理员权限启动） */
   elevated: boolean
-  /** Thing 自身是否以管理员权限运行（永久提权模式） */
+  /** Thing 自身是否以管理员权限运行（提权模式） */
   thingElevated: boolean
 }
 
@@ -122,7 +122,7 @@ export const useMonitorStore = defineStore('monitor', () => {
   /** 是否已完成首次加载（避免初始 null/false 导致 UI 闪烁误导状态） */
   const initialized = ref(false)
 
-  /** 永久提权标志是否已启用（后续启动自动触发 UAC） */
+  /** 提权标志是否已启用（后续启动自动触发 UAC） */
   const elevateOnLaunch = ref(false)
 
   /** 硬件监控配置（可用硬件 + 传感器类型清单 + 当前启用状态） */
@@ -138,8 +138,8 @@ export const useMonitorStore = defineStore('monitor', () => {
     if (!status.value) return 'idle'
     if (!status.value.running) return 'idle'
     if (!status.value.ready) return 'loading'
-    if (eventCount.value === 0) return 'loading'
-    if (Date.now() - lastEventTime.value > STALE_TIMEOUT_MS) return 'disconnected'
+    // Kernel 已 ready 即视为已连接（避免 SSE 首事件延迟导致一直显示"启动中"）
+    if (Date.now() - lastEventTime.value > STALE_TIMEOUT_MS && eventCount.value > 0) return 'disconnected'
     return 'connected'
   })
 
@@ -197,6 +197,14 @@ export const useMonitorStore = defineStore('monitor', () => {
     try {
       await invoke('monitor_start')
       await refreshStatus()
+      // 进程拉起可能存在竞态（spawn 后状态未立即更新），短暂重试确保 running=true
+      if (!status.value?.running) {
+        for (let i = 0; i < 6; i++) {
+          await new Promise(r => setTimeout(r, 500))
+          await refreshStatus()
+          if (status.value?.running) break
+        }
+      }
     } catch (e) {
       errorMsg.value = String(e)
       logger.error('启动失败: ' + e)
@@ -222,26 +230,8 @@ export const useMonitorStore = defineStore('monitor', () => {
     }
   }
 
-  /** 以管理员权限重启 Kernel（弹 UAC）。
-   *  停止当前 Kernel → ShellExecute "runas" → 等待 ready → 重新订阅 SSE。
-   *  提权后进程不归 ProcessManager 管，停止走 /shutdown 接口。
-   */
-  async function startElevated() {
-    if (starting.value) return
-    starting.value = true
-    errorMsg.value = null
-    try {
-      await invoke('monitor_start_elevated')
-      await refreshStatus()
-    } catch (e) {
-      errorMsg.value = String(e)
-      logger.error('提权启动失败: ' + e)
-    } finally {
-      starting.value = false
-    }
-  }
-
-  /** 永久提权：以管理员权限重启 Thing 自身，ThingHK 子进程会继承管理员权限。
+  /** 提权：以管理员权限重启 Thing 自身，ThingHK 子进程会继承管理员权限。
+   *  Thing 以管理员权限运行时，ProcessManager 可直接管控 ThingHK，崩溃自动重启。
    *  非管理员时进程退出；已是管理员时仅设置标志并返回。 */
   async function elevateSelf() {
     if (starting.value) return
@@ -253,13 +243,13 @@ export const useMonitorStore = defineStore('monitor', () => {
       await refreshElevateOnLaunch()
     } catch (e) {
       errorMsg.value = String(e)
-      logger.error('永久提权失败: ' + e)
+      logger.error('提权失败: ' + e)
     } finally {
       starting.value = false
     }
   }
 
-  /** 刷新永久提权标志状态 */
+  /** 刷新提权标志状态 */
   async function refreshElevateOnLaunch() {
     try {
       elevateOnLaunch.value = await invoke<boolean>('monitor_get_elevate_on_launch')
@@ -269,7 +259,7 @@ export const useMonitorStore = defineStore('monitor', () => {
     return elevateOnLaunch.value
   }
 
-  /** 取消永久提权：清除标志，下次启动不再触发 UAC（当前会话权限不变） */
+  /** 取消提权：清除标志，下次启动不再触发 UAC（当前会话权限不变） */
   async function cancelElevation() {
     try {
       await invoke('monitor_set_elevate_on_launch', { enabled: false })
@@ -337,6 +327,8 @@ export const useMonitorStore = defineStore('monitor', () => {
     }))
     unlistenFns.push(await listen('monitor-ready', () => {
       refreshStatus()
+      // Kernel 就绪后主动拉取一次快照，避免等待 SSE 首事件导致 UI 空白
+      fetchSnapshot()
     }))
     unlistenFns.push(await listen('monitor-loading', () => {
       // 后端正在等待 Kernel ready，刷新状态以反映 running=true
@@ -416,7 +408,6 @@ export const useMonitorStore = defineStore('monitor', () => {
     refreshKernelInfo,
     refreshElevateOnLaunch,
     start,
-    startElevated,
     elevateSelf,
     cancelElevation,
     fetchHardwareConfig,