59c691dcfc
Пробник ЦТ по математике 2020, Вариант 1. ⚠️ Новый формат: 32 задания (А1–А20 + В1–В12), В1 на соответствие, В2 множ.выбор. Машинерия параметризована N_TASKS=32. Источник: чистый PDF ЦТ 2020.pdf. ВСЕ 32 ответа решены и сверены с официальной таблицей (стр.44, столбец Вариант 1) — полное совпадение, включая A20=37√13/3, B5=-335, B8=-320, B9=160, B10=577, B11=-16, B12=336 (сфера через 4 точки куба). Фигурные A9/A11 реконструированы; без авторских ссылок (политика «все учебники наши»). VARIANT_LABEL 116 -> 'ЦТ-2020'. DRY-RUN 32/32, self-check и структурный KaTeX — зелёные. Запись в БД — пользователь: node backend/scripts/seed_ctmath_ct2020_v1.js --apply Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
backend/scripts
Operational scripts for LearnSpace backend.
Cron setup (production)
# Daily backup at 4am
0 4 * * * /path/to/repo/backend/scripts/backup.sh
# Weekly verification at 6am Sunday (cron mails on non-zero exit)
0 6 * * 0 /path/to/repo/backend/scripts/verify-backup.sh
Scripts
backup.sh
Creates a safe SQLite snapshot via VACUUM INTO. Keeps last 7 backups (configurable via KEEP=14).
./backup.sh # default: ../data/learnspace.db → ../../backups/
./backup.sh /path/to/db /path/to/backups
KEEP=14 ./backup.sh
verify-backup.sh
Restores the latest backup to /tmp, runs PRAGMA integrity_check, compares row counts vs production.
Exit codes:
0— all checks passed2— no backup files found3— latest backup older than 48h (backup job may have stopped)4—integrity_checkfailed (backup is corrupt)5— user count diverged >5% from production
./verify-backup.sh
BACKUP_DIR=/custom/backups PROD_DB=/custom/db.sqlite ./verify-backup.sh
check-route-auth.js
Scans src/routes/*.js for :id-bearing routes without an auth-guard middleware.
Fails if new unprotected routes exceed the current baseline.
npm run lint:routes
import-content.js (coming in Task 8)
Imports question collections from YAML manifests into the database.
npm run import:content -- ../content/phys/ct-2024.yaml
Deploy order (first time / fresh server)
npm install
npm run migrate
npm run seed:permissions
npm start