ADFA-5334 fix(proot-builder): fchmodat2 translation + libiconv heal so the static bundle builds - #510
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…o the static bundle builds - proot: translate fchmodat2 (452) like fchmodat (mirrors faccessat2), in the sysnums-*.h tables + enter.c. On glibc>=2.39/kernel>=6.6 hosts libc restores dir modes via 452; the bundled proot passed it through untranslated, so recursive copies (tar -x/cp -a) failed under proot and every rootfs tier landed on HOLD. Inert on kernel<6.6. Design: docs/ADR-5334-proot-fchmodat2-perms-restore.md. - proot-builder: force the libiconv/libpopt rebuild in the rsync step -- the tar block deletes libiconv.so and the cached "healing" rebuild was skipped on partial builds, so libpopt failed to link -liconv. No architecture changes (ARCHS untouched).
Points the bake at the proot build that translates fchmodat2. Off-main: APK/main are untouched until this branch merges.
The bake resolves binary_version.txt from main, so the branch bump in 21a1c4b never reached it and also required an APK manifest sync. Revert binary_version.txt and add a workflow_dispatch binaries_tag input, passed as --binaries-tag. main and the APK stay untouched; binary-bump-consistency passes again. Dispatch with binaries_tag=binaries-2026-09-01_03-22 to bake on the fchmodat2 proot.
…ix/ADFA-5334-proot-builder-fchmodat2
Pins the proot build that translates fchmodat2. binary_version.txt, ninja_manifest.json and cacert.pem synced together from the release (satisfies binary-bump-consistency and the SHA256 audit).
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No architecture changes (ARCHS untouched).