Constant COMMANDS_FRAGMENT 

pub const COMMANDS_FRAGMENT: &str = r#"{% macro command_inventory(surface) -%}
## Commands

| Command | Aliases | Purpose |
|:--|:--|:--|
{% for command in surface.commands if not command.hidden -%}
| `{{ command.name }}` | {% if command.visible_aliases %}`{{ command.visible_aliases | join("`, `") }}`{% else %}—{% endif %} | {{ command.about | replace("|", "\\|") | replace("\n", " ") }} |
{% endfor -%}
{{- "" -}}
{%- endmacro %}"#;

Shared fragment that renders the visible top-level Clap commands.