fix bridge first-turn disconnect during Hermes bootstrap

packages/server/src/services/hermes/agent-bridge/manager.ts

@@ -312,6 +312,24 @@ export function resolveAgentBridgeCommand(options: AgentBridgeManagerOptions = {
   return { command: fallback, argsPrefix: [], agentRoot, hermesHome }
 }
 
+export function buildAgentBridgeLaunchArgs(command: BridgeCommand, script: string): string[] {
+  const root = command.agentRoot
+  if (!root || !existsSync(join(root, 'hermes_bootstrap.py'))) {
+    return [...command.argsPrefix, script]
+  }
+  // Bootstrap may exec into Hermes's managed Python. Do that before the broker
+  // forks workers or opens sockets, so the first request survives initialization.
+  // Keep sys.argv[0] as -c until bootstrap returns so its relaunch replays this code.
+  const bootstrap = [
+    'import sys, runpy',
+    'sys.path.insert(0, ' + JSON.stringify(root) + ')',
+    'import hermes_bootstrap',
+    'sys.argv = sys.argv[1:]',
+    "runpy.run_path(sys.argv[0], run_name='__main__')",
+  ].join('; ')
+  return [...command.argsPrefix, '-c', bootstrap, script]
+}
+
 function bridgeScriptPath(): string {
   const candidates = [
     // Built server: dist/server/index.js -> dist/server/agent-bridge/python/hermes_bridge.py
@@ -922,7 +940,7 @@ export class AgentBridgeManager {
     const script = bridgeScriptPath()
     const command = resolveAgentBridgeCommand(this.options)
     await this.prepareEndpoint()
-    const args = [...command.argsPrefix, script, '--endpoint', this.endpoint]
+    const args = [...buildAgentBridgeLaunchArgs(command, script), '--endpoint', this.endpoint]
     const agentRoot = command.agentRoot
     const hermesHome = command.hermesHome
     if (agentRoot) args.push('--agent-root', agentRoot)