- Add sed to force KERNEL_PATCHVER:=6.12 in both GHA workflows - Replace broken config-6.6 with lkiuyu/immortalwrt base + squashfs - Makefile kernel-detect with TOPDIR fallback for robustness - Remove IPK build from build-package (APK only) - Clean up build.yml: remove repository_dispatch, debug output Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>