chore: 添加KEX详细字节调试日志并修复package.json中的wrangler执行方式

package.json

@@ -4,8 +4,8 @@
   "description": "纯 Cloudflare 架构 Web SSH 工具",
   "main": "src/worker/index.ts",
   "scripts": {
-    "dev": "node scripts/build-html.js && wrangler dev",
-    "deploy": "node scripts/build-html.js && wrangler deploy",
+    "dev": "node scripts/build-html.js && npx wrangler dev",
+    "deploy": "node scripts/build-html.js && npx wrangler deploy",
     "build:frontend": "node scripts/build-html.js",
     "test": "vitest run"
   },

src/worker/ssh-session.ts

@@ -343,6 +343,10 @@ export class SSHSession {
     );
     console.log('[KEX] Exchange hash hex=' + Array.from(H).map(b => b.toString(16).padStart(2, '0')).join(''));
     console.log('[KEX] sharedSecret hex=' + Array.from(sharedSecret).map(b => b.toString(16).padStart(2, '0')).join(''));
+    console.log('[KEX] hostKey hex=' + Array.from(hostKey).map(b => b.toString(16).padStart(2, '0')).join(''));
+    console.log('[KEX] signature hex=' + Array.from(signature).map(b => b.toString(16).padStart(2, '0')).join(''));
+    console.log('[KEX] clientPubKey hex=' + Array.from(this.ecdhRawPublicKey).map(b => b.toString(16).padStart(2, '0')).join(''));
+    console.log('[KEX] serverPubKey hex=' + Array.from(serverRawPublicKey).map(b => b.toString(16).padStart(2, '0')).join(''));
 
     if (!this.sessionID) {
       this.sessionID = H;