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v1.6.0 — the state loop, marathon evals, prompt-variant testing

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@Dallenlol Dallenlol released this 07 Jul 16:45

The state loop

/fable-mode:fable-state on — Fable maintains a .fable-state.md project memory file at the end of every substantive turn. /clear whenever the context meter runs hot; the next session auto-resumes from the file. Continuation context in ~2k tokens instead of re-billing your entire chat history every turn. Off by default, statusline shows ✎ state while active.

Also in this release

  • Marathon eval tier: 12-file service fixture with a cross-file root cause — measures reading discipline where it actually compounds.
  • --skill-file flag: A/B alternate SKILL.md variants; prompt changes are now measured, not guessed.
  • fable-mode-skill.zip attached below — one-step claude.ai skill upload.
  • /fable-stats estimated-savings line, README visuals, CHANGELOG, CONTRIBUTING, issue templates, Windows notes.