- Optimize N+1 queries in get_all_students_progress via bulk fetch
- Backfill legacy progress in migration 0005 and startup sync
- Use arrayBuffer in hooks.server proxy for binary payload safety
- Restrict postMessage targetOrigin from wildcard to window.location.origin
- Harden iframe polling in TeacherVelxioEditor and reduce frequency
- Improve markdown section extractor line-boundary detection
- Clean up child subprocesses on exception in CLI runner
- Add console.error in contentEditor catch blocks and parameterize repro script
- Configure sequential vitest execution to optimize test runs
_scan_quiz_issues.py: cari soal MCQ dengan <2 opsi (ter-split).
repro_quiz_options.py: navigasi quiz di browser, assert jumlah opsi DOM
vs server quiz_data.
a2nr