Function serialize_explain_programmatic_json 

pub fn serialize_explain_programmatic_json(
    issue_type: &str,
    mode: RootEnvelopeMode,
    analysis_run_id: Option<&str>,
) -> Result<Value, ProgrammaticError>

Serialize standalone explain output using the programmatic API contract.

Errors

Returns a structured programmatic error for unknown rule tokens or JSON serialization failures.