fd-audit

Audit a change for resource leaks in OpenAlgo — file descriptors AND unbounded memory growth. Run after building a feature or fixing anything that touches databases, WebSockets or streaming, threads or executors, subprocesses, files, sockets, caches, or module-level registries. Also use when the user reports "too many open files", refused DB connections, dropped sockets, rising RSS, or a Gunicorn worker that…