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feat: Improve OpenAI tool call handling by passing unknown tool calls as content and filtering streamed tool calls by schema.

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CJACK
2026-02-22 19:33:52 +08:00
parent 312728c8b6
commit ae7dce0b32
26 changed files with 1109 additions and 501 deletions
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API.en.md
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@@ -286,8 +286,10 @@ OpenAI Responses-style endpoint, accepting either `input` or `messages`.
| `instructions` | string | ❌ | Prepended as a system message |
| `stream` | boolean | ❌ | Default `false` |
| `tools` | array | ❌ | Same tool detection/translation policy as chat |
| `tool_choice` | string/object | ❌ | Supports `auto`/`none`/`required` and forced function selection (`{"type":"function","name":"..."}`) |
**Non-stream**: Returns a standard `response` object with an ID like `resp_xxx`, and stores it in in-memory TTL cache.
If `tool_choice=required` and no valid tool call is produced, DS2API returns HTTP `422` (`error.code=tool_choice_violation`).
**Stream (SSE)**: minimal event sequence:
@@ -295,11 +297,26 @@ OpenAI Responses-style endpoint, accepting either `input` or `messages`.
event: response.created
data: {"type":"response.created","id":"resp_xxx","status":"in_progress",...}
event: response.output_item.added
data: {"type":"response.output_item.added","response_id":"resp_xxx","item":{"type":"message|function_call",...},...}
event: response.content_part.added
data: {"type":"response.content_part.added","response_id":"resp_xxx","part":{"type":"output_text",...},...}
event: response.output_text.delta
data: {"type":"response.output_text.delta","id":"resp_xxx","delta":"..."}
event: response.output_tool_call.delta
data: {"type":"response.output_tool_call.delta","id":"resp_xxx","tool_calls":[...]}
event: response.function_call_arguments.delta
data: {"type":"response.function_call_arguments.delta","response_id":"resp_xxx","call_id":"call_xxx","delta":"..."}
event: response.function_call_arguments.done
data: {"type":"response.function_call_arguments.done","response_id":"resp_xxx","call_id":"call_xxx","name":"tool","arguments":"{...}"}
event: response.content_part.done
data: {"type":"response.content_part.done","response_id":"resp_xxx",...}
event: response.output_item.done
data: {"type":"response.output_item.done","response_id":"resp_xxx","item":{"type":"message|function_call",...},...}
event: response.completed
data: {"type":"response.completed","response":{...}}
@@ -307,6 +324,9 @@ data: {"type":"response.completed","response":{...}}
data: [DONE]
```
If `tool_choice=required` is violated in stream mode, DS2API emits `response.failed` then `[DONE]` (no `response.completed`).
Unknown tool names (outside declared `tools`) are rejected and will not be emitted as valid tool calls.
### `GET /v1/responses/{response_id}`
Business auth required. Fetches cached responses created by `POST /v1/responses` (caller-scoped; only the same key/token can read).