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Author SHA1 Message Date
a2nr 24502380aa feat(quiz): strict focus-loss anti-cheat + audit attempt 
Kebijakan strict: kehilangan fokus saat kuis aktif langsung mengakhiri kuis
dengan penalti, satu attempt per kuis tercatat audit, pembahasan disembunyikan
saat focus_lost, badge pelanggaran muncul di laporan guru.

Backend:
- tabel quiz_attempts (migration 0002) + endpoint POST /quiz-attempts/submit
  idempotent dengan unique constraint (satu attempt per token+lesson, 409
  untuk duplikat), bounded termination_reason
- models/repositories/storage: QuizAttempt + record/query pelanggaran untuk
  laporan guru (progress)

Frontend:
- quiz-integrity.ts: policy hub (isFocusLossEvent, terminateQuiz,
  shouldShowQuizReview) + attempt_id via crypto.randomUUID()
- lesson.svelte.ts: finalisasi idempotent; sendBeacon untuk exit path yang
  bisa suspend (focus_lost/page_unload), fetch keepalive untuk reason lain
- QuizTab.svelte: summary menyembunyikan pembahasan saat focus_lost
- progress/+page.svelte: badge pelanggaran focus_lost di laporan guru
- APP_VERSION 26 -> 27

Tests & docs:
- 204 backend test pass (unit host + integrasi container, DB elemes_test)
- 107 frontend test pass, svelte-check 0 error
- docs/12-quiz-integrity.md (baru), docs/07-quiz-authoring.md + README FAQ
  anti-cheat diperbarui
 2026-08-11 20:55:39 +07:00
a2nr d602b0f642 feat(student-management): kelola siswa round-trip CSV + bulk delete (PG) 
- Export siswa terpilih/seluruh + progress ke CSV round-trip (token tidak
  pernah diekspor; teacher tidak ikut; urutan deterministik)
- Import preview all-or-nothing: siswa existing di-restore (nama+progress,
  token lama dipertahankan), siswa baru dibuat dari student_id kosong +
  token; conflict tidak menyebut raw token/digest
- Bulk delete multi-seleksi dengan validasi ketat (teacher terlindungi,
  zero-delete bila ada ID bermasalah)
- fix(import): deteksi delimiter berbasis schema — menerima titik koma
  (;) maupun koma (,), ekspor tetap ';' + BOM; header tab/campuran ditolak
  dengan pesan jelas (regresi: file Excel/Sheets kini bisa diimpor)
- refactor: progress_status.py — kontrak status legacy tunggal dipakai
  storage PG, export, dan import; report siswa hanya role student
- UI /progress: dialog import/export + bulk delete, selection store,
  respon import tanpa raw token; APP_VERSION 22 -> 26
- ops: ORIGIN env var di podman-compose.yml
- docs: README section 9 (workflow round-trip + delimiter) dan
  docs/11-database-migration (kelola siswa via round-trip CSV)
- test: parser round-trip (45), repositories, route management (24,
  PostgreSQL), frontend 91, fixtures CSV valid/invalid
 2026-08-09 07:29:19 +07:00
a2nr ac37db5c91 feat(storage): migrasi penyimpanan CSV ke PostgreSQL (SQLAlchemy + Alembic) 
- facade storage: csv_backend + postgres_backend, dipilih via STORAGE_BACKEND
- token disimpan sebagai HMAC-SHA256 digest (TOKEN_PEPPER), tanpa plaintext
- schema alembic 0001: users, access_tokens, lessons, student_progress
- importer CSV idempotent + dry-run + sparse model (not_started tanpa row)
- lesson registry: sync dari home.md (lesson hilang di-deactivate, bukan dihapus)
- routes progress/auth: report & reset via DB, validasi via token hash
- elemes.sh: dbupgrade/dbstatus/dbimport/synclessons/dbverify/dbbackup/dbrestore/dbexport
- podman-compose: service postgres (PG18), tokens_siswa.csv mount :ro
- frontend: api client + progress page; tests kontrak dual-backend + isolasi DB
- load-test: skenario database (locustfile_db.py)
- docs: 01-11 termasuk 11-database-migration.md (arsitektur & operasional)
 2026-08-08 04:57:08 +00:00