align platform build config with working submission

qwen3_6_scripts/protocol.py

@@ -1,5 +1,6 @@
 # Adapted from
 # https://github.com/lm-sys/FastChat/blob/168ccc29d3f7edc50823016105c024fe2282732a/fastchat/protocol/openai_api_protocol.py
+import json
 import time
 from argparse import Namespace
 from typing import Any, Dict, List, Literal, Optional, Union
@@ -254,6 +255,15 @@ class ChatCompletionRequest(OpenAIBaseModel):
         description=("Additional kwargs to pass to the template renderer. "
                      "Will be accessible by the chat template."),
     )
+    thinking: Optional[Any] = Field(
+        default=None,
+        description=(
+            "Per-request thinking switch (OpenAI-style top-level). Accepts: "
+            "{'type':'disabled'} / {'type':'enabled'} / bool true/false. "
+            "Translated to chat_template_kwargs.enable_thinking (bool) so the "
+            "Qwen3.6 template's enable_thinking branch controls reasoning. "
+            "Null/absent = server default (thinking on via --reasoning-parser)."),
+    )
     guided_json: Optional[Union[str, dict, BaseModel]] = Field(
         default=None,
         description=("If specified, the output will follow the JSON schema."),
@@ -411,6 +421,26 @@ class ChatCompletionRequest(OpenAIBaseModel):
                         "Each message must have at least one of 'content' or "
                         "'reasoning_content'.")
                 msg = {**msg, "content": ""}
+            # tool_calls arguments: dict -> JSON string.
+            # Many clients/datasets send function.arguments as a dict (e.g.
+            # {"cmd":"ls"}), but upstream ChatCompletionMessageParam strictly
+            # requires a JSON string. Convert here so validation passes (matches
+            # OpenAI's lenient acceptance of both forms). Without this, dataset
+            # requests with tool messages 4xx with
+            # "function.arguments: Input should be a valid string".
+            tool_calls = msg.get("tool_calls")
+            if isinstance(tool_calls, list):
+                new_tc = []
+                for tc in tool_calls:
+                    if isinstance(tc, dict) and isinstance(tc.get("function"), dict):
+                        fn = tc["function"]
+                        args = fn.get("arguments")
+                        if isinstance(args, dict):
+                            fn = {**fn, "arguments": json.dumps(
+                                args, ensure_ascii=False)}
+                            tc = {**tc, "function": fn}
+                    new_tc.append(tc)
+                msg = {**msg, "tool_calls": new_tc}
             normalized.append(msg)
         data = {**data, "messages": normalized}
         return data
@@ -424,6 +454,48 @@ class ChatCompletionRequest(OpenAIBaseModel):
 
         return data
 
+    @model_validator(mode="before")
+    @classmethod
+    def validate_thinking(cls, data):
+        """Translate top-level `thinking` → chat_template_kwargs.enable_thinking.
+
+        Accepts {'type':'disabled'|'enabled'} or bool. The Qwen3.6 template's
+        `enable_thinking is false` branch (chat_template.jinja:149) gates the
+        reasoning prefix, so a bool is what actually controls it. Merged into
+        chat_template_kwargs (request-level value wins over any pre-existing
+        enable_thinking). Without this, top-level `thinking` 4xx with
+        extra_forbidden (OpenAIBaseModel has extra="forbid").
+        """
+        thinking = data.get("thinking")
+        if thinking is None:
+            return data
+        # Normalize to a bool.
+        enable: Optional[bool]
+        if isinstance(thinking, bool):
+            enable = thinking
+        elif isinstance(thinking, dict):
+            t = str(thinking.get("type", "")).lower()
+            if t == "disabled":
+                enable = False
+            elif t == "enabled" or t == "auto":
+                enable = True
+            elif t == "":
+                enable = None
+            else:
+                raise ValueError(
+                    f"thinking.type must be 'enabled'/'disabled'/'auto', "
+                    f"got {thinking.get('type')!r}")
+        else:
+            raise ValueError(
+                f"thinking must be bool or {{'type':'disabled'|'enabled'}}, "
+                f"got {type(thinking).__name__}")
+        if enable is not None:
+            ctk = dict(data.get("chat_template_kwargs") or {})
+            ctk["enable_thinking"] = enable
+            data["chat_template_kwargs"] = ctk
+        data.pop("thinking", None)
+        return data
+
     @model_validator(mode="before")
     @classmethod
     def check_logprobs(cls, data):