SongSprig local audio converter runtime notice

Runtime: @libav.js/variant-obsolete 6.9.8 (upstream release v6.9.8.1)
License identifier declared by the package: LGPL-2.1
Upstream: https://github.com/Yahweasel/libav.js/tree/v6.9.8.1
Release: https://github.com/Yahweasel/libav.js/releases/tag/v6.9.8.1

SongSprig distributes the three runtime artifacts in this directory without
modification. The complete license notices are available in
THIRD_PARTY_LICENSES.txt and are embedded at the beginning of
libav-6.9.8.1-obsolete.wasm.mjs. They must not be removed.

Complete corresponding source and upstream build outputs:
https://github.com/Yahweasel/libav.js/releases/download/v6.9.8.1/libav.js-6.9.8.1.zip
SHA-256: 1195db3842877aedbd5a34b46d6e72ea75151b916469b0547d0e72565b5d40e8

Exact component revisions, source-archive hashes, compiler identity, patches,
configuration and rebuild steps are in BUILD-MATERIALS.md. The machine-readable
component inventory is in SBOM.spdx.json. Approval scope is in
RELEASE-APPROVAL.json.

Release approval: approved by the SongSprig release owner on 2026-07-16.