feat: add ACP registry metadata for Zed

packages/hermes-agent-acp/bin/hermes-agent-acp.js

@@ -0,0 +1,66 @@
+#!/usr/bin/env node
+'use strict';
+
+const { spawn, spawnSync } = require('node:child_process');
+
+const HERMES_AGENT_VERSION = '0.13.0';
+const HERMES_SPEC = `hermes-agent[acp]==${HERMES_AGENT_VERSION}`;
+
+function commandExists(command) {
+  const result = spawnSync(command, ['--version'], { stdio: 'ignore' });
+  return !result.error && result.status === 0;
+}
+
+function buildCommand(argv, exists = commandExists) {
+  if (exists('uvx')) {
+    return {
+      command: 'uvx',
+      args: ['--from', HERMES_SPEC, 'hermes-acp', ...argv],
+    };
+  }
+
+  if (exists('uv')) {
+    return {
+      command: 'uv',
+      args: ['tool', 'run', '--from', HERMES_SPEC, 'hermes-acp', ...argv],
+    };
+  }
+
+  return null;
+}
+
+function main() {
+  const argv = process.argv.slice(2);
+  const command = buildCommand(argv);
+
+  if (!command) {
+    console.error('Hermes Agent ACP requires uv or uvx to launch the Python package.');
+    console.error('Install uv from https://docs.astral.sh/uv/getting-started/installation/');
+    console.error('Then retry this agent from Zed.');
+    process.exit(127);
+  }
+
+  const child = spawn(command.command, command.args, {
+    stdio: 'inherit',
+    env: process.env,
+  });
+
+  child.on('error', (error) => {
+    console.error(`Failed to start Hermes Agent ACP: ${error.message}`);
+    process.exit(1);
+  });
+
+  child.on('exit', (code, signal) => {
+    if (signal) {
+      process.kill(process.pid, signal);
+      return;
+    }
+    process.exit(code ?? 0);
+  });
+}
+
+if (require.main === module) {
+  main();
+}
+
+module.exports = { buildCommand, HERMES_AGENT_VERSION, HERMES_SPEC };