Security model fidelity

[apng1982]

Description

Optional higher-fidelity ISecurityModel modeling BU hierarchies, team-based access, share, and field-level nuances (simplified approximation).

Motivation

Some business logic depends on realistic access checks.

Acceptance Criteria

• Pluggable implementation behind interface
• Default remains simple for speed.

Suggested Tests

• Access matrix tests across users, teams, roles, and BU hierarchies.

Dependencies

None.