[Core] Set pooling params based on task and model (#21128)

Signed-off-by: DarkLight1337 <tlleungac@connect.ust.hk>

vllm/entrypoints/openai/serving_pooling.py

@@ -142,6 +142,11 @@ class OpenAIServingPooling(OpenAIServing):
         try:
             pooling_params = request.to_pooling_params()
 
+            try:
+                pooling_params.verify("encode", self.model_config)
+            except ValueError as e:
+                return self.create_error_response(str(e))
+
             for i, engine_prompt in enumerate(engine_prompts):
                 request_id_item = f"{request_id}-{i}"