//! Translation configuration.
//!
//! When `ExtractionConfig::translation` is `Some`, the translation post-processor runs
//! at the Middle stage and populates
//! [`ExtractedDocument::translation`](crate::types::ExtractedDocument::translation).
use serde::{Deserialize, Serialize};
/// Configuration for the translation post-processor.
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
#[cfg_attr(feature = "api", derive(utoipa::ToSchema))]
#[cfg_attr(feature = "alef-meta", alef(since = "5.0.0"))]
pub struct TranslationConfig {
/// BCP-47 language tag for the target language (e.g. `"de"`, `"fr-CA"`).
pub target_lang: String,
/// Optional explicit source language. `None` asks the backend to auto-detect.
#[serde(skip_serializing_if = "Option::is_none")]
pub source_lang: Option<String>,
/// Translate the formatted (Markdown/HTML) rendition alongside plain text when
/// `formatted_content` is present.
#[serde(default)]
pub preserve_markup: bool,
/// LLM configuration used for translation.
pub llm: super::llm::LlmConfig,
}