# Summarize

Summarize the requested code, work session, change set, investigation, or repository state using the available evidence.

## Instructions

- Base the summary on inspected files, diffs, commands, and tool results.
- Preserve important technical details while removing unnecessary narrative.
- Distinguish completed work from planned or incomplete work.
- Mention important decisions, constraints, failures, and unresolved issues.
- Include file references when useful.

## Preferred structure

### Summary

A concise overview.

### Changes

What was changed or discovered.

### Validation

What was tested or verified.

### Outstanding

What remains incomplete, uncertain, or requires follow-up.

Do not invent missing information.