The export bundle is the input to this port, not a sketch: the curriculum, the tutor prompt and the five logic modules are finished and tested. They land here byte-identical and stay that way. diff -r export/data data && diff -r export/lib lib diff -r export/prompt prompt && diff export/validate.mjs validate.mjs data/, lib/, prompt/ and validate.mjs sit at the repo root so validate.mjs runs verbatim with no path edits. All four are excluded from lint and formatting — they are not ours to restyle. Types for lib/ live alongside in types/ rather than as sibling .d.ts files, so the verbatim check stays a plain directory diff. CI runs the curriculum gate first, before anything else can pass: node validate.mjs PASS — 0 blocking, 0 advisory Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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Third-party data notices
Hankan's application code is the authors'. The dictionary data it ships is not, and carries share-alike obligations. The notices below are also surfaced in the app.
Dictionary
Exactly one of these is used, depending on which source was vendored at build time.
app/public/dict/manifest.json records which one produced the shipped files.
한국어기초사전 (Basic Korean Dictionary) — preferred
Published by 국립국어원 (National Institute of Korean Language).
이 저작물은 크리에이티브 커먼즈 저작자표시-동일조건변경허락 2.0 대한민국 라이선스에 따라 이용할 수 있습니다.
한국어기초사전, 국립국어원 — CC BY-SA 2.0 KR https://creativecommons.org/licenses/by-sa/2.0/kr/
Audio and image media referenced by the dictionary are excluded from that licence. Hankan stores media URLs only and redistributes no media files.
English Wiktionary, via kaikki.org — fallback
Extracted by wiktextract (Tatu Ylonen, LREC 2022; wiktextract itself is MIT). Content is CC BY-SA 3.0 and GFDL, inherited from English Wiktionary.
https://kaikki.org/dictionary/Korean/ · https://en.wiktionary.org/
Frequency data
hermitdave/FrequencyWords, content/2018/ko — derived from OpenSubtitles2018 via OPUS.
Word list content is CC BY-SA 4.0; the project's code is MIT.
https://github.com/hermitdave/FrequencyWords
A note on licence compatibility
CC BY-SA 2.0 KR and CC BY-SA 4.0 are not automatically compatible in a single derived
work. Hankan therefore keeps frequency data as a separately-attributed adjunct: it
populates the lemma.freq_rank column only, and is not merged into the dictionary
content itself. Both notices ship together.
Share-alike attaches to the derived dictionary data, not to Hankan's application code.