vtcode-skills 0.136.5

Skill types, discovery, loading, and validation for VT Code
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use crate::model::SkillLoadOutcome;
use tokio::fs;

use super::instructions::SkillInstructions;

#[derive(Debug, Default)]
pub struct SkillInjections {
    pub items: Vec<SkillInstructions>,
    pub warnings: Vec<String>,
}

/// Builds injections for the specified skills.
///
/// `skill_names` is a list of skill names that should be loaded (e.g. detected from user input).
pub async fn build_skill_injections(skill_names: &[String], skills: Option<&SkillLoadOutcome>) -> SkillInjections {
    if skill_names.is_empty() {
        return SkillInjections::default();
    }

    let Some(outcome) = skills else {
        return SkillInjections::default();
    };

    let mut result = SkillInjections {
        items: Vec::with_capacity(skill_names.len()),
        warnings: Vec::new(),
    };

    for name in skill_names {
        if let Some(skill) = outcome.skills.iter().find(|s| s.name == *name) {
            match fs::read_to_string(&skill.path).await {
                Ok(contents) => {
                    result.items.push(SkillInstructions {
                        name: skill.name.clone(),
                        path: skill.path.clone(),
                        contents,
                    });
                }
                Err(err) => {
                    let message = format!("Failed to load skill {} at {}: {err:#}", skill.name, skill.path.display());
                    result.warnings.push(message);
                }
            }
        }
    }

    result
}