Fixed issue where log file redirections would fail when scripts change
directories. All scripts now use $PROJECT_ROOT/logs/... instead of
relative paths ./logs/...
This prevents errors like "Aucun fichier ou dossier de ce nom" when
scripts execute commands in different directories (e.g., checksum
verification in restore.sh).
Affected files:
- scripts/backup.sh
- scripts/restore.sh
- scripts/update.sh
- scripts/recover.sh
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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