- release.yml: new linux-riscv64 job (ported from GridCraft): cross-compiles on
ubuntu-24.04 against ports.ubuntu.com riscv64 libs, packages a tar.gz with
package.sh --formats tar, smoke-tests lightcraft-cli under QEMU. The release
job needs it, so its tarball lands in the draft and SHA256SUMS.
- packaging/linux/package.sh: CROSS_ARCH/CROSS_TARGET/CROSS_COMPILE/EMULATOR
support (target dir, cross strip, emulated --version).
- README Downloads and docs/releasing.md list the riscv64 tarball.
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
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