Function validate_against_schema

core/src/llm/structured.rs:594–604

Validate a JSON value against a JSON Schema. Returns Ok(()) on success, or a list of human-readable error strings.

(value: &Value, schema: &Value)

/// Validate a JSON value against a JSON Schema.
/// Returns Ok(()) on success, or a list of human-readable error strings.
fn validate_against_schema(value: &Value, schema: &Value) -> Result<(), Vec<String>> {
    // We do a basic recursive validation here. For production, consider using
    // the `jsonschema` crate, but to avoid adding a heavy dependency we implement
    // the subset of JSON Schema that matters for structured output.
    let errors = basic_schema_validate(value, schema, "");
    if errors.is_empty() {
        Ok(())
    } else {
        Err(errors)
    }
}

/// Basic JSON Schema validator covering the most common constraints.
fn basic_schema_validate(value: &Value, schema: &Value, path: &str) -> Vec<String> {