8231805 0119b5bb87 fix(sync): replace iText logger with SLF4J, add batch query methods ...

Replace com.itextpdf.text.log.Logger/LoggerFactory imports with
org.slf4j equivalents in SyncTaskService and SyncUserInfoService.

Add batchFindUserInfoByStuUserIds and batchFindUserIdByUsernames
queries to replace N+1 loop patterns in user sync operations.

2026-06-09 09:57:54 +08:00

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fix(sync): replace iText logger with SLF4J, add batch query methods

2026-06-09 09:57:54 +08:00