[Bugfix] Validate custom logits processor xargs for online serving

vllm/entrypoints/openai/protocol.py

@@ -769,10 +769,10 @@ class ChatCompletionRequest(OpenAIBaseModel):
         description="KVTransfer parameters used for disaggregated serving.",
     )
 
-    vllm_xargs: dict[str, str | int | float] | None = Field(
+    vllm_xargs: dict[str, str | int | float | list[str | int | float]] | None = Field(
         default=None,
         description=(
-            "Additional request parameters with string or "
+            "Additional request parameters with (list of) string or "
             "numeric values, used by custom extensions."
         ),
     )

vllm/transformers_utils/configs/deepseek_vl2.py

@@ -218,3 +218,9 @@ def __init__(
         self.global_view_pos = global_view_pos
         self.candidate_resolutions = candidate_resolutions
         self.vocab_size = self.text_config.vocab_size
+
+        # update model_type for OCR model
+        if "DeepseekOCRForCausalLM" in (
+            self.architectures or kwargs.get("architectures", [])
+        ):
+            self.model_type = "deepseek_ocr"