lab: fingering tie-break — exact optimum sets and a learned lexicographic secondary - #199

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claude/lab-fingering-tie-break

Sep 21, 2026

Commits on Sep 17, 2026

test(lab): red — optimum-set analysis and learned secondary tie-break
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feat(lab): green — exact optimum-set analysis and learned secondary tie-break
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feat(lab): ties-check and tiebreak runner commands
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test(lab): red — latent learning target for the secondary tie-break
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feat(lab): green — latent target via one lexicographic chain DP
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test(lab): red — hand anchor before a line as tie-break context
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feat(lab): green — hand anchor on tablature lines and as a secondary feature
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feat(lab): tie-break ablation — local features versus local + hand anchor
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docs(lab): fingering tie-break audit and decision record
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Merge branch 'claude/lab-optimization-gap' into claude/lab-fingering-tie-break
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docs(lab): re-measure the tie-break ladder after the tuplet import fix (#202)
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