# Implementation

Implement the plan from the specified plan file.

## Variables
plan_file: $1

## Instructions

- Read the plan file carefully
- Execute every step in order
- Follow existing code patterns and conventions
- Create/modify files as specified in the plan
- Run validation commands from the plan
- Do NOT create git commits or branches (separate steps)

## Output

- Summarize work completed
- List files changed
- Report test results if any