- Drop all 4 runtime deps (audio-format, is-audio-buffer, is-buffer, object-assign)
- ESM with inline format parsing and duck-type detection
- Single-pass conversion (fused range map + reinterleave)
- Fix endianness + dst double-swap bug
- Fix Buffer detection order (Buffer extends Uint8Array)
- node:test, audio-buffer v6
- Remove stale configs (.travis.yml, .eslintrc.json, .npmignore)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>