Create tools to migrate centralized data into federation nodes

[touchthesun]

Provide tooling to export data from centralized deployments and import into federated nodes, with validation and rollback support.

Acceptance Criteria

• Export tool for centralized data
• Import tool for federated nodes
• Validation of migrated data
• Rollback capability documented

Dependencies

• Issue 5.6.1 (compatibility baseline)

Estimated Effort

M (4-6 days)

Technical Notes

Leverage existing package/export functionality where possible.

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Generated from notes/github-issues.md — Issue 5.6.2