Function prompt_template_selection 

pub fn prompt_template_selection(colors: Colors) -> Option<String>

Prompt the user to select a template when PROMPT.md is missing.

This function:

1. Displays a message that PROMPT.md is missing
2. Asks if the user wants to create one from a template
3. If yes, displays available templates
4. Prompts for template selection (with default to feature-spec)
5. Returns the selected template name or None if declined

Arguments

• colors - Terminal color configuration for output

Returns

• Some(template_name) - User selected a template
• None - User declined, input was not a terminal, or input errored/ended