Add CLI utilities for federation administration

[touchthesun]

Add dedicated CLI tools for admin tasks (peer management, trust updates, diagnostics).

Acceptance Criteria

• CLI commands for peer listing and removal
• CLI commands for trust score inspection
• Diagnostics command for sync status
• Documentation for admin commands

Dependencies

• Issue 5.5.1 (node config tools)

Estimated Effort

S (2-3 days)

Technical Notes

Prefer consistent command naming under ohm federation.

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Generated from notes/github-issues.md — Issue 5.5.4