Thumbwise packaging changes:
Shared libraries only; no upstream command-line tools included.
Rebased Mach-O install names/loads to contained @loader_path references.
Removed debug/local symbols and applied an internal ad-hoc seal.
Built from the pinned, unmodified official source using
Tools/build_release_natives.sh (copied here as build-recipe.sh.txt):
arm64, macOS 15.0 minimum, shared libraries,
product-owned install paths, no upstream command-line tools.
