[Infrastructure] Create disaster recovery plan with automated backup verification

[Penielka]

Overview

Develop and document a comprehensive disaster recovery plan with regular automated backup restoration tests.

Acceptance Criteria

• Documented DR plan with RPO/RTO targets
• Automated backup verification (restore test in isolated env)
• Cross-region backup replication
• Runbook for common failure scenarios
• Quarterly DR drill schedule

Priority: High

Business continuity requirement for education platform.

[Samaro1]

gm gm boss, I would love to work on this issue. A satisfactory PR will be raised in 12 hours

[grantfox-oss]

🦊 GrantFox — @Samaro1 has been assigned to this issue as part of the Official Campaign | FWC26 campaign!

Next steps:

1. Open a Pull Request referencing this issue (e.g., Closes #291)
2. Your PR will be reviewed by the AetherEdu maintainers

Good luck! Track your progress on GrantFox.