Constant LS_TOOL_DESCRIPTION 

pub const LS_TOOL_DESCRIPTION: &str = r#"Lists directory contents with optional detailed information.

Usage:
- The path parameter must be an absolute path to a directory
- Returns file and directory names in the specified location
- Use long_format for detailed information (size, permissions, modified time)
- Supports filtering by pattern and showing hidden files

Options:
- long_format: Show detailed file information (size, permissions, modified time)
- include_hidden: Include files starting with '.' (default: false)
- pattern: Filter results by glob pattern (e.g., "*.rs")
- sort_by: Sort results by "name", "size", "modified" (default: "name")
- reverse: Reverse sort order (default: false)
- directories_first: List directories before files (default: true)

Examples:
- List current directory: path="/path/to/dir"
- Show hidden files: include_hidden=true
- Filter by pattern: pattern="*.rs"
- Sort by size: sort_by="size", reverse=true"#;

Ls tool description constant.