[2/2] [feature] support openai like classification api in router (#11670)

sgl-router/src/routers/openai/router.rs

@@ -42,6 +42,7 @@ use crate::{
     },
     protocols::{
         chat::ChatCompletionRequest,
+        classify::ClassifyRequest,
         completion::CompletionRequest,
         embedding::EmbeddingRequest,
         generate::GenerateRequest,
@@ -828,7 +829,7 @@ impl crate::routers::RouterTrait for OpenAIRouter {
                 .into_response(),
             Err(e) => (
                 StatusCode::INTERNAL_SERVER_ERROR,
-                Json(json!({"error": format!("Failed to get response: {}", e)})),
+                Json(json!({ "error": format!("Failed to get response: {}", e) })),
             )
                 .into_response(),
         }
@@ -882,6 +883,15 @@ impl crate::routers::RouterTrait for OpenAIRouter {
         (StatusCode::NOT_IMPLEMENTED, "Rerank not supported").into_response()
     }
 
+    async fn route_classify(
+        &self,
+        _headers: Option<&HeaderMap>,
+        _body: &ClassifyRequest,
+        _model_id: Option<&str>,
+    ) -> Response {
+        (StatusCode::NOT_IMPLEMENTED, "Classify not supported").into_response()
+    }
+
     async fn create_conversation(&self, _headers: Option<&HeaderMap>, body: &Value) -> Response {
         create_conversation(&self.conversation_storage, body.clone()).await
     }