add update button

src/utils/update.ts

@@ -0,0 +1,80 @@
+import { exec } from "child_process";
+import { promisify } from "util";
+import { join } from "path";
+import { readFileSync } from "fs";
+
+const execPromise = promisify(exec);
+
+/**
+ * 检查是否有新版本可用
+ * @param currentVersion 当前版本
+ * @returns 包含更新信息的对象
+ */
+export async function checkForUpdates(currentVersion: string) {
+  try {
+    // 从npm registry获取最新版本信息
+    const { stdout } = await execPromise("npm view @musistudio/claude-code-router version");
+    const latestVersion = stdout.trim();
+    
+    // 比较版本
+    const hasUpdate = compareVersions(latestVersion, currentVersion) > 0;
+    
+    // 如果有更新，获取更新日志
+    let changelog = "";
+    
+    return { hasUpdate, latestVersion, changelog };
+  } catch (error) {
+    console.error("Error checking for updates:", error);
+    // 如果检查失败，假设没有更新
+    return { hasUpdate: false, latestVersion: currentVersion, changelog: "" };
+  }
+}
+
+/**
+ * 执行更新操作
+ * @returns 更新结果
+ */
+export async function performUpdate() {
+  try {
+    // 执行npm update命令
+    const { stdout, stderr } = await execPromise("npm update -g @musistudio/claude-code-router");
+    
+    if (stderr) {
+      console.error("Update stderr:", stderr);
+    }
+    
+    console.log("Update stdout:", stdout);
+    
+    return { 
+      success: true, 
+      message: "Update completed successfully. Please restart the application to apply changes." 
+    };
+  } catch (error) {
+    console.error("Error performing update:", error);
+    return { 
+      success: false, 
+      message: `Failed to perform update: ${error instanceof Error ? error.message : 'Unknown error'}` 
+    };
+  }
+}
+
+/**
+ * 比较两个版本号
+ * @param v1 版本号1
+ * @param v2 版本号2
+ * @returns 1 if v1 > v2, -1 if v1 < v2, 0 if equal
+ */
+function compareVersions(v1: string, v2: string): number {
+  const parts1 = v1.split(".").map(Number);
+  const parts2 = v2.split(".").map(Number);
+  
+  for (let i = 0; i < Math.max(parts1.length, parts2.length); i++) {
+    const num1 = i < parts1.length ? parts1[i] : 0;
+    const num2 = i < parts2.length ? parts2[i] : 0;
+    
+    if (num1 > num2) return 1;
+    if (num1 < num2) return -1;
+  }
+  
+  return 0;
+}