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ai-agent/symphony-ai-agent/logs/Goal-5-Task-2.1/Goal-5-Task-2.1-work-log.md

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2025-05-03 13:15:00 - Role Inheritance Implementation Update

Changes Made:

  • Updated assign_role method in RBACEngine to include circular inheritance validation
  • Added call to validate_circular_inheritance when assigning roles with parents
  • Maintained existing boundary validation and return signature
  • Enhanced audit logging for inheritance validation failures

Rationale:

  • Security requirements specify preventing circular inheritance chains
  • Existing implementation only checked boundary restrictions
  • New validation ensures role inheritance graphs remain acyclic

Verification:

  • Changes successfully applied to rbac_engine.py
  • Method maintains backward compatibility
  • All existing tests should continue passing
  • New tests for circular inheritance cases will be added in next step

Next Steps:

  1. Add unit tests for circular inheritance scenarios
  2. Verify boundary restrictions are still enforced
  3. Update documentation to reflect new validation

2025-05-03 13:15:30 - Added RBAC Inheritance Test Cases

Added comprehensive test coverage for RBAC inheritance scenarios:

  • Boundary restrictions with inheritance (test_boundary_restrictions_with_inheritance)
  • Parent role working alongside role_inheritance (test_parent_role_with_inheritance)
  • Multiple inheritance chains with boundaries (test_multiple_inheritance_chains)

All tests follow existing patterns and verify:

  1. Inheritance of permissions works correctly
  2. Boundary restrictions are enforced
  3. Both parent_role and role_inheritance work together
  4. Complex inheritance chains respect all restrictions

Next Steps:

  • Verify test coverage meets requirements
  • Run tests to confirm implementation