fix(store): preserve underscores in BM25 search terms#404
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fix(store): preserve underscores in BM25 search terms#404
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sanitizeFTS5Term stripped all non-letter/non-number characters including underscores, causing snake_case identifiers like `my_variable` to become `myvariable` and silently fail BM25 matches. Add underscore to the preserved character set in the Unicode regex. Export the function and add unit tests covering snake_case, contractions, punctuation stripping, and unicode. Fixes tobi#305 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Fixes #305
Summary
sanitizeFTS5Termstripped underscores from search terms, causing BM25 searches for snake_case identifiers to silently fail.my_variablebecamemyvariable, matching nothing.Changes
_to the preserved character set insanitizeFTS5Termregex (store.ts)Before / After
The CLI's copy of
sanitizeFTS5Term(cli/qmd.ts:1695) already uses\wwhich preserves underscores - this aligns the store's version.This contribution was developed with AI assistance (Claude Code).