feat: 全新 Logo 设计 + 扩展工具一键安装功能

Logo 设计:
- 现代化爪印图标，紫蓝渐变配色
- 生成全套尺寸 PNG (16-1024px) + @2x 版本
- macOS icns + Windows ico + SVG 源文件
- 系统托盘和应用图标全面更新

扩展工具增强:
- cftunnel 支持一键安装（自动下载安装脚本）
- 实时显示安装进度和日志输出
- 安装完成后自动刷新状态
- 优化未安装状态的 UI 提示

src-tauri/icons/icon.svg

@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg width="512" height="512" viewBox="0 0 512 512" xmlns="http://www.w3.org/2000/svg">
+  <defs>
+    <linearGradient id="grad1" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" style="stop-color:#6366f1;stop-opacity:1" />
+      <stop offset="100%" style="stop-color:#4f46e5;stop-opacity:1" />
+    </linearGradient>
+    <filter id="shadow">
+      <feGaussianBlur in="SourceAlpha" stdDeviation="8"/>
+      <feOffset dx="0" dy="4" result="offsetblur"/>
+      <feComponentTransfer>
+        <feFuncA type="linear" slope="0.3"/>
+      </feComponentTransfer>
+      <feMerge>
+        <feMergeNode/>
+        <feMergeNode in="SourceGraphic"/>
+      </feMerge>
+    </filter>
+  </defs>
+  
+  <!-- 背景圆形 -->
+  <circle cx="256" cy="256" r="240" fill="url(#grad1)" filter="url(#shadow)"/>
+  
+  <!-- 爪印主体 - 中心大圆 -->
+  <ellipse cx="256" cy="280" rx="70" ry="85" fill="white" opacity="0.95"/>
+  
+  <!-- 四个爪尖 -->
+  <!-- 左上 -->
+  <ellipse cx="160" cy="180" rx="35" ry="55" fill="white" opacity="0.95" 
+           transform="rotate(-25 160 180)"/>
+  <!-- 左下 -->
+  <ellipse cx="180" cy="360" rx="35" ry="55" fill="white" opacity="0.95" 
+           transform="rotate(15 180 360)"/>
+  <!-- 右上 -->
+  <ellipse cx="352" cy="180" rx="35" ry="55" fill="white" opacity="0.95" 
+           transform="rotate(25 352 180)"/>
+  <!-- 右下 -->
+  <ellipse cx="332" cy="360" rx="35" ry="55" fill="white" opacity="0.95" 
+           transform="rotate(-15 332 360)"/>
+  
+  <!-- 面板网格装饰（科技感） -->
+  <g opacity="0.15" stroke="white" stroke-width="2" fill="none">
+    <line x1="256" y1="80" x2="256" y2="432"/>
+    <line x1="80" y1="256" x2="432" y2="256"/>
+    <circle cx="256" cy="256" r="120"/>
+    <circle cx="256" cy="256" r="180"/>
+  </g>
+</svg>

src-tauri/src/commands/extensions.rs

@@ -194,3 +194,77 @@ pub fn get_clawapp_status() -> Result<Value, String> {
     result.insert("url".into(), Value::String("http://localhost:3210".into()));
     Ok(Value::Object(result))
 }
+
+/// 一键安装 cftunnel
+#[tauri::command]
+pub async fn install_cftunnel(app: tauri::AppHandle) -> Result<String, String> {
+    use std::process::Stdio;
+    use std::io::{BufRead, BufReader};
+    use tauri::Emitter;
+
+    let _ = app.emit("install-log", "开始安装 cftunnel...");
+    let _ = app.emit("install-progress", 10);
+
+    // 下载并安装脚本
+    let install_script = r#"
+#!/bin/bash
+set -e
+cd /tmp
+echo "下载 cftunnel..."
+curl -fsSL https://raw.githubusercontent.com/qingchencloud/cftunnel/main/install.sh -o cftunnel-install.sh
+chmod +x cftunnel-install.sh
+echo "执行安装..."
+./cftunnel-install.sh
+echo "安装完成"
+"#;
+
+    let _ = app.emit("install-log", "下载安装脚本...");
+    let _ = app.emit("install-progress", 30);
+
+    let mut child = Command::new("bash")
+        .arg("-c")
+        .arg(install_script)
+        .stdout(Stdio::piped())
+        .stderr(Stdio::piped())
+        .spawn()
+        .map_err(|e| format!("启动安装进程失败: {e}"))?;
+
+    let stderr = child.stderr.take();
+    let stdout = child.stdout.take();
+
+    // 读取 stderr
+    let app2 = app.clone();
+    let handle = std::thread::spawn(move || {
+        if let Some(pipe) = stderr {
+            for line in BufReader::new(pipe).lines().map_while(Result::ok) {
+                let _ = app2.emit("install-log", &line);
+            }
+        }
+    });
+
+    // 读取 stdout
+    let mut progress = 40;
+    if let Some(pipe) = stdout {
+        for line in BufReader::new(pipe).lines().map_while(Result::ok) {
+            let _ = app.emit("install-log", &line);
+            if progress < 90 {
+                progress += 5;
+                let _ = app.emit("install-progress", progress);
+            }
+        }
+    }
+
+    let _ = handle.join();
+    let _ = app.emit("install-progress", 95);
+
+    let status = child.wait().map_err(|e| format!("等待安装进程失败: {e}"))?;
+    let _ = app.emit("install-progress", 100);
+
+    if !status.success() {
+        let _ = app.emit("install-log", "❌ 安装失败");
+        return Err("安装失败，请查看日志".into());
+    }
+
+    let _ = app.emit("install-log", "✅ cftunnel 安装成功");
+    Ok("安装成功".into())
+}

src-tauri/src/lib.rs

@@ -46,6 +46,7 @@ pub fn run() {
             extensions::cftunnel_action,
             extensions::get_cftunnel_logs,
             extensions::get_clawapp_status,
+            extensions::install_cftunnel,
         ])
         .run(tauri::generate_context!())
         .expect("启动 ClawPanel 失败");