feat(responses)!: improve responses + conversations implementations

This PR updates the Conversation item related types and improves a
couple critical parts of the implemenation:

- it creates a streaming output item for the final assistant message output by
  the model. until now we only added content parts and included that
  message in the final response.

- rewrites the conversation update code completely to account for items
  other than messages (tool calls, outputs, etc.)
This commit is contained in:
Ashwin Bharambe 2025-10-14 14:23:22 -07:00
parent d875e427bf
commit d47f2c0ba8
11 changed files with 511 additions and 441 deletions

View file

@ -1258,9 +1258,9 @@ OpenAIResponseInput = Annotated[
| OpenAIResponseInputFunctionToolCallOutput
| OpenAIResponseMCPApprovalRequest
| OpenAIResponseMCPApprovalResponse
|
# Fallback to the generic message type as a last resort
OpenAIResponseMessage,
| OpenAIResponseOutputMessageMCPCall
| OpenAIResponseOutputMessageMCPListTools
| OpenAIResponseMessage,
Field(union_mode="left_to_right"),
]
register_schema(OpenAIResponseInput, name="OpenAIResponseInput")

View file

@ -12,6 +12,9 @@ from openai.types.responses.response_includable import ResponseIncludable
from pydantic import BaseModel, Field
from llama_stack.apis.agents.openai_responses import (
OpenAIResponseInputFunctionToolCallOutput,
OpenAIResponseMCPApprovalRequest,
OpenAIResponseMCPApprovalResponse,
OpenAIResponseMessage,
OpenAIResponseOutputMessageFileSearchToolCall,
OpenAIResponseOutputMessageFunctionToolCall,
@ -61,9 +64,14 @@ class ConversationMessage(BaseModel):
ConversationItem = Annotated[
OpenAIResponseMessage
| OpenAIResponseOutputMessageFunctionToolCall
| OpenAIResponseOutputMessageFileSearchToolCall
| OpenAIResponseOutputMessageWebSearchToolCall
| OpenAIResponseOutputMessageFileSearchToolCall
| OpenAIResponseOutputMessageFunctionToolCall
| OpenAIResponseInputFunctionToolCallOutput
| OpenAIResponseMCPApprovalRequest
| OpenAIResponseMCPApprovalResponse
| OpenAIResponseOutputMessageMCPCall
| OpenAIResponseOutputMessageMCPListTools
| OpenAIResponseOutputMessageMCPCall
| OpenAIResponseOutputMessageMCPListTools,
Field(discriminator="type"),