"""Write tool: create or overwrite files."""


async def github_write(state, file_path: str, content: str) -> str:
    """Create or overwrite a file."""
    full_path = state.repo_path / file_path
    full_path.parent.mkdir(parents=True, exist_ok=True)
    full_path.write_text(content, encoding='utf-8')
    state.files_modified.add(file_path)
    line_count = content.count('\n') + 1
    return f"Successfully wrote {file_path} ({line_count} lines)."