Shared bioinformatics utilities for sequence I/O, nucleotide operations, and k-mer hashing.

Modules

• [io] — Readers and writers for FASTQ/FASTA files (plain and gzip-compressed).
• [nucleotide] — Sequence operations, quality metrics, entropy, homopolymer detection, and pattern search.
• [kmers] — K-mer encoding and FracMinHash sketching.
• [errors] — Shared error types used across the crate.