彭峰 be688d492c fix: safely reconcile legacy member credit ledgers vor 3 Wochen
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design-qa 601bdc7231 fix: unify student read-only vocabulary access vor 2 Monaten
features ecf7098c2b fix(teaching): restore same-day lesson start with legacy servers vor 3 Wochen
migration be688d492c fix: safely reconcile legacy member credit ledgers vor 3 Wochen
operations 1faed1a1fb feat(teaching): polish lesson reports and support audited feedback edits vor 3 Wochen
qa 9bc5241445 feat: unify member credit operations and historical ledgers vor 3 Wochen
schema c662ca0168 fix: wrap cloud function business params vor 2 Monaten