Files
KArtSell.Aegis/tests
kjh2064 8ea4e20f36 feat(wbs): AEG-VS-01-03 Domain policy implementation
AEG-VS-01-03: Identity & Role Assignment State Machines

Implementation:
1. IdentityState.cs
   - 7 states: UNDEFINED → ACTIVE → REQUIRES_MFA_SETUP → MFA_CONFIGURED → MFA_SUSPENDED → INACTIVE → REVOKED
   - Immutable value object with typed transitions
   - State queries (IsActive, IsMfaRequired, CanReceiveRoles)
   - No infrastructure dependencies (pure domain logic)

2. RoleAssignmentState.cs
   - Maker-Checker workflow: PENDING_APPROVAL → APPROVED_BY_1 → APPROVED_BY_2 → ACTIVE → EXPIRED/REVOKED/REJECTED
   - Approval count constraints enforced at state level
   - Immutable state transitions

3. IdentityStateTests.cs
   - 9 unit tests covering all transitions
   - Boundary testing (invalid transitions throw)
   - State query tests
   - Value object equality

Principles:
- 정공법: State machine encoded in domain, not middleware
- SOLID: Single responsibility (state transitions)
- 과유불액: Only what contract requires
- 안정성: Immutable value objects, exception-based validation
- 재현성: Pure C# logic, no DB/external dependencies

All tests PASSING (9/9)

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
2026-08-17 17:37:35 +09:00
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