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- install.sh: pre-create ks.cfg with o+w after permission setup so non-root users can overwrite it (OEMDRV root itself stays o=rX) - install.sh: restore su drop to $SUDO_USER when it is set and not root; fall back to direct root execution otherwise - configure.sh: remove the hard root check so both cases work - configure.md: update docs to reflect root/non-root support Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>