llm-toolkit 0.63.1

A low-level, unopinionated Rust toolkit for the LLM last mile problem.
Documentation 
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use llm_toolkit::ToPrompt;
use serde::{Deserialize, Serialize};

#[derive(Serialize, Deserialize, Debug, Clone, ToPrompt)]
#[prompt(mode = "full")]
pub struct EvaluationResult {
    /// The rule being checked
    pub rule: String,
    /// Whether this specific rule passed
    pub passed: bool,
}

#[derive(Serialize, Deserialize, Debug, Clone, ToPrompt)]
#[prompt(mode = "full")]
pub struct ProducerOutput {
    /// Whether the evaluation passed all checks
    pub evaluation_passed: bool,
    /// List of evaluation results for each rule
    pub results: Vec<EvaluationResult>,
}

#[test]
fn test_nested_vec_schema_expansion() {
    let schema = ProducerOutput::prompt_schema();

    println!("Generated schema:\n{}", schema);

    // Check TypeScript-style type definition
    assert!(schema.contains("type ProducerOutput = {"));

    // Check that evaluation_passed field is present (TypeScript format)
    assert!(schema.contains("evaluation_passed: boolean;"));

    // Check that results field uses TypeScript array syntax
    assert!(schema.contains("results: EvaluationResult[];"));

    // ✅ NEW BEHAVIOR: Nested type definitions are now included
    // The schema should include the EvaluationResult type definition
    assert!(
        schema.contains("type EvaluationResult = {"),
        "Schema should include nested type definition"
    );
    assert!(
        schema.contains("rule: string"),
        "Schema should include fields from nested type"
    );
}

#[test]
fn test_evaluation_result_schema() {
    let schema = EvaluationResult::prompt_schema();

    println!("EvaluationResult schema:\n{}", schema);

    assert!(schema.contains("type EvaluationResult = {"));
    assert!(schema.contains("rule: string;"));
    assert!(schema.contains("passed: boolean;"));
}

#[test]
fn test_nested_schema_with_comments() {
    let schema = ProducerOutput::prompt_schema();

    // Check that field comments are preserved (TypeScript format)
    assert!(schema.contains("// Whether the evaluation passed all checks"));
    assert!(schema.contains("// List of evaluation results for each rule"));

    // ✅ NEW BEHAVIOR: Nested type comments ARE now included in parent's schema
    // The full type definition is embedded, including all comments
    assert!(
        schema.contains("// The rule being checked"),
        "Schema should include comments from nested type"
    );
    assert!(
        schema.contains("// Whether this specific rule passed"),
        "Schema should include all fields from nested type"
    );
}