# Plan: <topic>

## Outcome

What "done" looks like in one sentence.

## Motivation

What problem this solves and why it matters, with user scenarios, project
context, and background in the problem space.

## Constraints

- Runtime and compatibility constraints
- Public API surface constraints

## Non-goals

What is explicitly out of scope.

## Approach

A short narrative of the design at a high level.

## Key decisions

Link to ADRs in `../DECISIONS/` when needed.