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v2.9.1 — Activate Dormant Compression + Scientific Safeguards

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@yvgude yvgude released this 29 Mar 20:33
v2.9.1
5bb545c

Highlights

Fixed

  • git log compression: 1% → 50-88% savings. Fixed overly conservative safeguard + added 20-entry truncation for both --oneline and standard format
  • ctx_search SymbolMap: Now applies compression universally (was TDD-only), consistent with ctx_read

Added

  • Dormant compression activation: SymbolMap with ROI >= 5% gate, lightweight_cleanup() fallback, active FeedbackStore learning
  • 7 scientific safeguards: Shannon entropy floor, Kolmogorov complexity gate (K>0.7), Symbol-Map ROI guarantee, token ratio bounds [0.15, 1.0], edit integrity, feedback dampening (EWMA), benchmark monotonicity
  • Thinking token optimization: SNR metric, adaptive CEP output budget, token budget hints
  • Output token optimization: Auto filler removal on checkpoints, CRP defaults to TDD
  • Codebook deduplication: Cross-file TF-IDF applied during auto-checkpoints

Install / Update

cargo install lean-ctx              # Rust
brew upgrade lean-ctx               # Homebrew
npm update -g lean-ctx-bin          # npm
yay -S lean-ctx                     # AUR
lean-ctx update                     # Self-update

Full changelog: https://github.com/yvgude/lean-ctx/blob/main/CHANGELOG.md

Full Changelog: v2.9.0...v2.9.1

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