Installed on Codex. build_hwpx and validate.py worked. text_extract.py required python-hwpx (TextExtractor), but SKILL.md only listed lxml/olefile. Adding…
Installed on Codex. build_hwpx and validate.py worked. text_extract.py required python-hwpx (TextExtractor), but SKILL.md only listed lxml/olefile. Adding that dependency fixed extraction.
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