Function run_render_stdout 

pub fn run_render_stdout(
    profiles: &[String],
    separator: Option<&str>,
    pre_prompt: Option<&str>,
    post_prompt: Option<&str>,
    config_override: Option<&Path>,
    json: bool,
) -> Result<(), String>

Render one or more profiles to stdout.

Convenience function that reads configuration and renders the specified profiles to standard output with optional separator, pre-prompt, and post-prompt. When multiple profiles are provided, files are deduplicated across all profiles.

Arguments

• profiles - Profile names to render (deduplicated in order)
• separator - Optional separator between files
• pre_prompt - Optional custom pre-prompt text
• post_prompt - Optional custom post-prompt text
• config_override - Optional configuration file override
• json - Whether to output in JSON format

Returns

• Ok(()) - Profiles rendered successfully
• Err(String) - Rendering failed

Errors

Returns an error if:

• Configuration file cannot be read or parsed
• Profile resolution fails
• Writing to stdout fails