feat: Add permission manager scaffold with sudo bypass hooks

[zZedix]

added a central PermissionManager scaffold with sudo bypass and placeholder limit checks, and routed admin/user operations through it using allow-all results so behavior stays unchanged while providing a single enforcement hook for future rules

[coderabbitai]

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✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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