Architecture Decision Records

Architecture Decision Records (ADRs)

This section contains architectural decision records that document the key design choices made. Each ADR follows the MADR 4.0.0 format and includes:

• Context and problem statement
• Decision drivers and constraints
• Considered options with pros and cons
• Decision outcome and rationale
• Consequences (positive and negative)
• Confirmation methods

ADR Categories

ADRs are classified into three categories:

• Strategic - High-level architectural decisions affecting the entire system (frameworks, authentication strategies, cross-cutting patterns). Use for foundational technology choices.
• User Journey - Decisions solving specific user journey problems. More tactical than strategic, but still architectural. Use when evaluating approaches to implement user-facing features.
• API Design - API endpoint implementation decisions (pagination, filtering, bulk operations). Use for significant API design trade-offs that warrant documentation.

Status Values

Each ADR has a status that reflects its current state:

• proposed - Decision is under consideration
• accepted - Decision has been approved and should be implemented
• rejected - Decision was considered but not approved
• deprecated - Decision is no longer relevant or has been superseded
• superseded by ADR-XXXX - Decision has been replaced by a newer ADR

These records provide historical context for architectural decisions and help ensure consistency across the platform.