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tiennm99
ceb694a747
Move the frontend into web/, the repo's only npm workspace, and replace the JS crawler with a Go module covering both remaining datasets. The crawler writes to a .part file and renames on completion: writing straight to the destination left truncated files that the skip-if-present check would then skip forever. Remove the 2017-old and 2017-old2 datasets. They were successive publications of the same exam, kept side by side so the disagreement stayed inspectable; the current 2017 supersedes them and they remain in git history. Recover the 2016 crawler source from the Internet Archive's copy of the aggregator article, whose original host no longer resolves. All 119 filenames are verified against data/2016 in both directions, but no archive captured the spreadsheets themselves, so the host still serving them is unconfirmed and data/2016 remains the only confirmed copy. Filenames are load-bearing throughout: go-parser sorts inputs bytewise and inserts last-wins, so they decide which row survives a duplicate exam number.