feat: Add hackathon command exposing standalone __exec WebSocket server.

🐘 Generated with Crush

Assisted-by: Claude Opus 4.6 via Crush <crush@charm.land>

Author: vercel-eddie

pkg/commands/commands.go

@@ -118,6 +118,7 @@ func NewApp() *cli.Command {
 			Debug(),
 			Update(),
 			Schema(),
+			Hackathon(),
 		},
 	}
 }