- Fix README.md merge conflict
- Modify axfs-ng to support extra block device mounting (EXTRA_BLOCK_DEVICES)
- Add ext4/ext2/ext3 support to mount syscall
- Add init.sh auto-test runner: mounts test disk, runs all test suites
- Fix iozone crash by setting LD_LIBRARY_PATH for musl ABI compatibility
- Reorder test execution: lmbench runs last to avoid blocking
- Add log.md and DEVLOG.md documentation
- Test results: ~320+ tests passing (busybox, cyclictest, iperf, iozone, libcbench, libctest, lua)