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fix: summary-alpha guard sweep, zero-SE plot gate, lambda-slope dedup, shared pscore_trim validator (DML follow-ups)
- #795
#795
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igerber
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Aug 27, 2026
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fix: summary-alpha guard sweep, zero-SE plot gate, lambda-slope dedup, shared pscore_trim validator (DML follow-ups)
#795
igerber
merged 8 commits into
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igerber/diff-diff:main
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dml-followups
igerber/diff-diff:dml-followups
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fix: summary-alpha guard sweep (M-146), zero-SE plot gate, lambda-slope dedup, shared validate_pscore_trim (M-145)
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fix: validate pscore_trim after float coercion (extended-precision underflow); reject reference-only honest surfaces (PR #795 review P1s)
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fix: reject sub-ulp pscore_trim whose upper clip bound rounds to 1.0 (PR #795 review P1)
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fix: honest-plot defined-estimate guard applies to explicit period selections; document the pscore_trim representability constraint (PR #795 review)
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docs: state the float64 representability condition in pscore_trim parameter docstrings (PR #795 review P2)
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test: guard new event-study plot tests with the matplotlib importorskip fixture (CI no-matplotlib legs)
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fix(viz): require the anchor signature before the honest raw-route reference exemption (PR #795 review P0)
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fix(viz): verify anchor provenance, not the caller's reference label, on honest plot routes (PR #795 review P0)
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