feat: IDs for reasoning parts and assistant messages

Author: kcoopermiller

src/scrapybara/client.py

@@ -1717,7 +1717,8 @@ def act(
                     ([TextPart(text=step.text)] if step.text else [])
                     + (step.reasoning_parts if step.reasoning_parts else [])
                     + (step.tool_calls or [])
-                )
+                ),
+                response_id=step.response_id
             )
             result_messages.append(assistant_msg)
             if step.tool_results:
@@ -1874,6 +1875,7 @@ def act_stream(
                 tool_calls=tool_calls if tool_calls else None,
                 finish_reason=act_response.finish_reason,
                 usage=act_response.usage,
+                response_id=act_response.message.response_id if act_response.message.response_id else None
             )
 
             # Check if there are tool calls
@@ -2135,7 +2137,8 @@ async def act(
                     ([TextPart(text=step.text)] if step.text else [])
                     + (step.reasoning_parts if step.reasoning_parts else [])
                     + (step.tool_calls or [])
-                )
+                ),
+                response_id=step.response_id
             )
             result_messages.append(assistant_msg)
             if step.tool_results:
@@ -2292,6 +2295,7 @@ async def act_stream(
                 tool_calls=tool_calls if tool_calls else None,
                 finish_reason=act_response.finish_reason,
                 usage=act_response.usage,
+                response_id=act_response.message.response_id if act_response.message.response_id else None
             )
 
             # Check if there are tool calls

src/scrapybara/types/act.py

@@ -33,6 +33,7 @@ class ToolResultPart(BaseModel):
 
 class ReasoningPart(BaseModel):
     type: Literal["reasoning"] = "reasoning"
+    id: Optional[str] = None
     reasoning: str
     signature: Optional[str] = None
     instructions: Optional[str] = None
@@ -45,6 +46,7 @@ class UserMessage(BaseModel):
 class AssistantMessage(BaseModel):
     role: Literal["assistant"] = "assistant"
     content: List[Union[TextPart, ToolCallPart, ReasoningPart]]
+    response_id: Optional[str] = None
 
 
 class ToolMessage(BaseModel):
@@ -88,6 +90,7 @@ class SingleActResponse(BaseModel):
 # Step definition
 class Step(BaseModel):
     text: str
+    response_id: Optional[str] = None
     reasoning_parts: Optional[List[ReasoningPart]] = None
     tool_calls: Optional[List[ToolCallPart]] = None
     tool_results: Optional[List[ToolResultPart]] = None