# HVAC Role Manager - Decision Log

## [2025-04-14 18:58] - Initial Role Manager Design Decisions

### Role Inheritance Architecture
- **Decision**: Implement hierarchical role inheritance with multiple parent support
- **Rationale**: 
  - Allows flexible permission structures
  - Supports complex organizational hierarchies
  - Enables granular permission management
- **Implementation Details**:
  - Roles can inherit from multiple parent roles
  - Capabilities are merged from all parent roles
  - Conflicts are detected and managed explicitly

### Capability Management Approach
- **Decision**: Use WordPress capability system with custom extensions
- **Rationale**:
  - Maintains compatibility with WordPress core
  - Leverages existing security mechanisms
  - Allows seamless integration with plugins
- **Implementation Details**:
  - Extended capability checking for complex scenarios
  - Transaction-based role modifications
  - Automatic capability cleanup

### TEC Integration Strategy
- **Decision**: Implement lightweight TEC capability integration
- **Rationale**:
  - Maintains separation of concerns
  - Ensures compatibility with TEC updates
  - Simplifies maintenance
- **Implementation Details**:
  - Support for TEC-specific capabilities
  - Integration examples in documentation
  - Clear separation between core and TEC functionality

### Security Considerations
- **Decision**: Implement comprehensive security measures
- **Rationale**:
  - Protect WordPress core roles
  - Prevent capability escalation
  - Ensure proper cleanup
- **Implementation Details**:
  - Core role protection
  - Capability validation
  - Transaction role management
  - Automatic cleanup mechanisms

## [2025-04-14 18:58] - Documentation Structure
- **Decision**: Create comprehensive, well-organized documentation
- **Rationale**:
  - Ensures maintainability
  - Facilitates adoption
  - Supports future development
- **Implementation Details**:
  - API reference documentation
  - Integration examples
  - Best practices guide
  - Testing guidelines