* enh(#966): gate behavior-dependent truths on behavioral evidence in gsd-verifier
Introduce a per-truth PRESENT_BEHAVIOR_UNVERIFIED state for must-haves that assert a state transition or a cancellation/cleanup/ordering invariant whose only evidence is symbol presence + wiring. Such truths are excluded from the verified_truths score, reported as a behavior_unverified count, recorded in an always-on behavior_unverified_items frontmatter list, and routed to the existing human_needed sink — so a clean N/N can no longer be reached on symbol presence alone.
The overall-status vocabulary and the src/verification.cts seam are unchanged (the new state is per-truth only); gaps_found keeps decision-tree precedence; override-passed truths still count toward verified_truths. Mirrors the calibration into the shipped verify-phase.md workflow (with an infra/foundation carve-out), the VERIFICATION.md templates, and docs (planning-artifacts.md, AGENTS.md). gsd-verifier.md kept under its 48KB LARGE cap; size baselines regenerated.
Closes#966
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
* chore(#966): add changeset fragment for gsd-verifier behavior-unverified calibration
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
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