Python plugin implementing Hermes ContextEngine backed by OpenBrain.
compress() does centrality-ranked retrieval over a candidate pool
pulled via brain_recall rather than linear turn truncation. Falls
back to naive head+tail truncation when recall is unavailable so the
caller never sees a raised exception.
Closes tasks.lthn.sh/view.php?id=74
Co-authored-by: Codex <noreply@openai.com>
Co-Authored-By: Virgil <virgil@lethean.io>