# {{ref}}: {{title}}

<!-- Reference forms: entity ids padded (SPEC-007, ADR-004); doc-local refs bare
     (D1 decision, OQ-1 open question). See .doctrine/glossary.md § reference forms. -->

## Overview

<!-- What this component is and where it sits (the C4 frame). -->

## Responsibilities

<!-- What it owns — mirrors the structured `responsibilities` list. -->

## Concerns

<!-- Cross-cutting forces: performance, security, failure modes. -->

## Hypotheses

<!-- Load-bearing assumptions, stated so they can be challenged. -->

## Decisions

<!-- Technical decisions local to this spec (project-global ones are ADRs). -->
