Veritheia Documentation

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Composable Extension Patterns

1. Overview

This document establishes the pattern for writing timeless, composable specifications that serve as architectural foundations rather than implementation guides. Specifications should be read as extension patterns where core functionality can be extended through composable components.

Formation Note: Specifications serve as architectural DNA - the immutable patterns that define what the system IS, not what it DOES. Implementation details are temporal and change over time, but architectural patterns remain constant. The specification system enables composition of functionality through well-defined interfaces and extension points.

2. Specification Principles

2.1 Timelessness

2.2 Composability

2.3 Superset Architecture

3. Pattern Structure

3.1 Core Pattern Definition

## Pattern Name

### Purpose
What this pattern accomplishes in architectural terms

### Core Interface
The minimal interface required for this pattern

### Extension Points
Where and how this pattern can be extended

### Configuration Schema
How to configure this pattern's behavior

3.2 Pattern Variations

#### Variation A: Simple Implementation
**Use Case**: Basic functionality, minimal complexity
**Characteristics**: Core features only, minimal configuration

#### Variation B: Extended Implementation  
**Use Case**: Advanced functionality, enterprise requirements
**Characteristics**: Full feature set, complex configuration

#### Variation C: Hybrid Implementation
**Use Case**: Mixed requirements, gradual migration
**Characteristics**: Combination of patterns, flexible configuration

4. Specification Categories

4.1 Core Specifications (Required)

4.2 Extension Specifications (Optional)

4.3 Configuration Specifications (Deployment)

5. Implementation Mapping

5.1 Current Implementation

The current implementation represents Pattern A: Simple Implementation for most specifications:

5.2 Extension Implementation

Future implementations can extend through Pattern B: Extended Implementation:

5.3 Hybrid Implementation

Mixed deployments use Pattern C: Hybrid Implementation:

6. Configuration-Driven Architecture

6.1 Core Configuration

{
  "core": {
    "authentication": {
      "pattern": "SimpleIdentifier|ExternalProvider|Hybrid"
    },
    "journeySpaces": {
      "pattern": "Basic|Advanced|Custom"
    },
    "formationTracking": {
      "pattern": "JourneyBased|Analytics|Hybrid"
    },
    "processEngine": {
      "pattern": "SystematicScreening|CustomProcesses|Hybrid"
    }
  }
}

6.2 Extension Configuration

{
  "extensions": {
    "collaboration": {
      "enabled": true,
      "pattern": "Sharing|Commenting|Versioning"
    },
    "analytics": {
      "enabled": false,
      "pattern": "Basic|Advanced|Custom"
    },
    "integrations": {
      "enabled": false,
      "providers": ["OAuth", "SAML", "Custom"]
    }
  }
}

7. Migration Patterns

7.1 Pattern A to Pattern B

7.2 Pattern B to Pattern C

8. Testing Patterns

8.1 Core Pattern Testing

8.2 Extension Pattern Testing

8.3 Integration Testing

9. Documentation Standards

9.1 Pattern Documentation

9.2 Implementation Documentation

9.3 User Documentation

10. Governance and Evolution

10.1 Pattern Evolution

10.2 Extension Governance

10.3 Community Contribution

11. Conclusion

The composable extension pattern approach transforms specifications from static documents into living architectural DNA. By focusing on timeless patterns rather than temporal implementations, the specification system provides:

This approach ensures that Veritheia can grow from a simple MVP to a comprehensive formation platform while maintaining architectural coherence and user sovereignty.