Architecture Decisions

Architecture Decision Records capture decisions that future maintainers should understand without relying on oral history.

Use concise records. Focus on context, decision, consequences, and follow-up work. Avoid copying secrets, IDs, or environment-specific values.

Records

• ADR 0001: Google subject identifier auth model
• ADR 0002: Runtime secrets in Google Secret Manager
• ADR 0003: Email provider abstraction

Template

# ADR NNNN: Title

Status: Accepted | Proposed | Superseded

Date: YYYY-MM-DD

## Context

## Decision

## Consequences

## Follow-Up