彭峰 f82356bc3c fix: harden backend migration and verify live launch release hace 2 semanas
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design-qa 601bdc7231 fix: unify student read-only vocabulary access hace 1 mes
features ecf7098c2b fix(teaching): restore same-day lesson start with legacy servers hace 3 semanas
migration 2c99c1a3ca fix(sync): retire foreign accounts and protect legacy identities hace 2 semanas
operations 1faed1a1fb feat(teaching): polish lesson reports and support audited feedback edits hace 2 semanas
qa f82356bc3c fix: harden backend migration and verify live launch release hace 2 semanas
schema c662ca0168 fix: wrap cloud function business params hace 2 meses