Admit ADMISSORIUM into governed registry

[midiakiasat]

Admissibility verdict: REQUIRES_ACCEPTANCE_ACT

Changed surfaces:

• governed repository registry
• repository class registry
• license registry

Source of truth:

• live Verifrax repository perimeter after ADMISSORIUM creation
• ADMISSORIUM admissibility boundary
• existing license allocation by repository class

Risk class:

• Class B registry candidate
• no sovereign truth object mutation
• no authority object mutation
• no execution receipt mutation
• no accepted epoch mutation

Auto-merge allowed: no

Required reviewer:

• verifrax-systems

Rollback note:

• revert this pull request to restore the previous 30-repository registry state.

[verifrax-systems]

Registry admission reviewed. ADMISSORIUM is admitted as an implementation/admissibility enforcement surface only. This change does not mutate sovereign truth objects, authority objects, accepted epochs, execution receipts, verification results, recognition objects, or recourse objects.