Document architectural decisions

Write architecture decision records documenting design choices and trade-offs

Teams that need to track architectural decisions over time for onboarding, audits, and reversing decisions later.

• · decision context
• · alternatives considered
• · consequences
• · rationale

• · ADR markdown file
• · decision log
• · architecture documentation

• · markdown
• · git

ADR template defined, architecture review process in place

• · missing rationale
• · undocumented trade-offs
• · no versioning of decisions

• · follows Nygard ADR format
• · includes alternatives section
• · documents consequences