- vendor comparison (1000 Genomes Omni2.5, AutoCall 1.6.2.2): every computed field identical in 2138/2141 samples; the 3 others trace back to the single-locus raw-intensity rule (K-009); sex rule 1 matches all - AutoCall 1.6.2.x leaves GC10/GC50/#calls/#no-calls at 0 in GTC v3: new `--preset autocall-1.6.2` (1.1.2 normalization, sex rule 1, GTC v3, legacy statistics); the sample summary keeps the real statistics - NaN sign canonicalised to the x86 pattern (K-014); report P4.md Co-Authored-By: Claude Opus 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01814GKVzZVL3FuF3DeiZXhv