chore: add a2a server bin (#10592)

package-lock.json

@@ -17612,6 +17612,9 @@
         "uuid": "^11.1.0",
         "winston": "^3.17.0"
       },
+      "bin": {
+        "gemini-cli-a2a-server": "dist/a2a-server.mjs"
+      },
       "devDependencies": {
         "@types/express": "^5.0.3",
         "@types/fs-extra": "^11.0.4",

packages/a2a-server/package.json

@@ -9,10 +9,13 @@
     "directory": "packages/a2a-server"
   },
   "type": "module",
-  "main": "dist/server.js",
+  "main": "dist/index.js",
+  "bin": {
+    "gemini-cli-a2a-server": "dist/a2a-server.mjs"
+  },
   "scripts": {
-    "start": "node dist/src/http/server.js",
     "build": "node ../../scripts/build_package.js",
+    "start": "node dist/src/http/server.js",
     "lint": "eslint . --ext .ts,.tsx",
     "format": "prettier --write .",
     "test": "vitest run",

packages/a2a-server/src/http/server.ts

@@ -1,3 +1,5 @@
+#!/usr/bin/env node
+
 /**
  * @license
  * Copyright 2025 Google LLC
@@ -10,22 +12,21 @@ import * as path from 'node:path';
 import { logger } from '../utils/logger.js';
 import { main } from './app.js';
 
-// Check if the module is the main script being run. path.resolve() creates a
-// canonical, absolute path, which avoids cross-platform issues.
+// Check if the module is the main script being run
 const isMainModule =
-  path.resolve(process.argv[1]) ===
-  path.resolve(url.fileURLToPath(import.meta.url));
-
-process.on('uncaughtException', (error) => {
-  logger.error('Unhandled exception:', error);
-  process.exit(1);
-});
+  path.basename(process.argv[1]) ===
+  path.basename(url.fileURLToPath(import.meta.url));
 
 if (
   import.meta.url.startsWith('file:') &&
   isMainModule &&
   process.env['NODE_ENV'] !== 'test'
 ) {
+  process.on('uncaughtException', (error) => {
+    logger.error('Unhandled exception:', error);
+    process.exit(1);
+  });
+
   main().catch((error) => {
     logger.error('[CoreAgent] Unhandled error in main:', error);
     process.exit(1);