彭峰 6d4e042e77 docs(qa): audit three-end launch readiness with local evidence vor 2 Wochen
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design-qa 601bdc7231 fix: unify student read-only vocabulary access vor 1 Monat
features ecf7098c2b fix(teaching): restore same-day lesson start with legacy servers vor 2 Wochen
migration 2c99c1a3ca fix(sync): retire foreign accounts and protect legacy identities vor 2 Wochen
operations 1faed1a1fb feat(teaching): polish lesson reports and support audited feedback edits vor 2 Wochen
qa 6d4e042e77 docs(qa): audit three-end launch readiness with local evidence vor 2 Wochen
schema c662ca0168 fix: wrap cloud function business params vor 2 Monaten