- Defined V0_SRC_DEPS and V0_TEST_DEPS in v0/include.mk
- Updated clean rule to remove dependency files
- Referenced dependency variables for .d includes
- Added and deduplicated file-read test in v0/test_buffer.c
All tests pass. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>