彭峰 da94b677bf perf(classroom): reuse word audio and speed up vocabulary reads před 16 hodinami
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lesson-records-schema.sql a90eaafbf3 feat: unify lesson history and safely transfer pending reviews před 3 týdny
teacher-review-schema.sql 90595c9f6d fix(review): recognize verified legacy completion for stale bookings před 1 dnem
word-classroom-before.js da94b677bf perf(classroom): reuse word audio and speed up vocabulary reads před 16 hodinami