Sentinel

Governance layer of BeaconCore.
Structural boundaries held. Drift‑free.

Thresholds fixed. Roles preserved.

Purpose

Sentinel is the enforcement layer of BeaconCore.
It maintains structural integrity by holding boundaries and preserving invariants.

Sentinel enforces constraints; it does not interpret or decide.

Thresholds

The system operates within fixed limits.
These thresholds are non‑negotiable.

Boundary enforcement
Signal validation
Constraint integrity
Non‑negotiable limits

Enforcement

Enforcement is structural.
Surfaces remain within their defined roles.

Role enforcement
Surface stability
Invariant protection
Protocol adherence

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