Gulum 3f71d8e28e dedup: 'presence wins' — present-vs-absent token is not a conflict (Julian) ...

Breeder merge rule: when two source variants of the SAME animal differ ONLY
by a token PRESENT in one and ABSENT in the other — a whole locus (e.g. spsp
charted in one source, omitted in another) or a modifier on the same base
allele (e^f vs e, the [f] marker) — keep the present token; that is NOT a
conflict. Genuine VALUE contradictions still quarantine: different base
alleles (Ee↔ee), unknown-vs-filled (D-↔DD), different modifiers (c[h]↔c[chm]),
C-↔Cc[h], P-↔Pp.

Replaces the old `len(distinct normalized geno keys) > 1` test with
_genotype_conflict() (per-locus, per-allele compatibility; '?'-vs-filled is a
contradiction, modifier-present-vs-absent and whole-locus-absence are not).
Markers/flags (WP/DP/WFNZ/hörend) are already tags/flags, never genotype, so
they never reach conflict detection; empty Farbschlag/death already don't
conflict (only non-empty values are compared).

Clears Daja (keep spsp), Ichika (keep ee[f]) and the D4 marker cases:
Konflikte 19 -> 15. test_extract covers spsp/[f] present-vs-absent =
no conflict and the four genuine-contradiction shapes. python + dotnet
121/121 green; extractor-only.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

2026-06-06 12:12:45 +02:00

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