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feat(llm): pass session user_id to Anthropic via metadata #1336

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Merged
RealKai42 merged 3 commits into from
Mar 4, 2026
Merged

feat(llm): pass session user_id to Anthropic via metadata #1336

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feat(llm): pass session user_id to Anthropic via metadata
RealKai42 Mar 4, 2026
427e707
docs: update changelog
RealKai42 Mar 4, 2026
32883f4
test: add test
RealKai42 Mar 4, 2026
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4 changes: 4 additions & 0 deletions packages/kosong/src/kosong/contrib/chat_provider/anthropic.py
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,7 @@
MessageDeltaUsage,
MessageParam,
MessageStartEvent,
MetadataParam,
RawContentBlockDeltaEvent,
RawContentBlockStartEvent,
RawMessageStreamEvent,
Expand Down Expand Up @@ -127,12 +128,14 @@ def __init__(
tool_message_conversion: ToolMessageConversion | None = None,
# Must provide a max_tokens. Can be overridden by .with_generation_kwargs()
default_max_tokens: int,
metadata: MetadataParam | None = None,
**client_kwargs: Any,
):
self._model = model
self._stream = stream
self._client = AsyncAnthropic(api_key=api_key, base_url=base_url, **client_kwargs)
self._tool_message_conversion: ToolMessageConversion | None = tool_message_conversion
self._metadata = metadata
self._generation_kwargs: Anthropic.GenerationKwargs = {
"max_tokens": default_max_tokens,
"beta_features": ["interleaved-thinking-2025-05-14"],
Expand Down Expand Up @@ -222,6 +225,7 @@ async def generate(
tools=tools_,
stream=self._stream,
extra_headers=extra_headers,
metadata=self._metadata if self._metadata is not None else omit,
**generation_kwargs,
Comment on lines 225 to 229
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Copilot AI Mar 4, 2026

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New behavior: when metadata is set it will be forwarded into the Anthropic messages.create request, but the snapshot tests for the Anthropic provider don’t currently assert that metadata is included/omitted correctly. Add a test case that constructs Anthropic(metadata={"user_id": "..."}), calls generate(), and asserts the request body includes the expected metadata (and optionally another case where metadata is omitted when None).

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)
return AnthropicStreamedMessage(response)
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1 change: 1 addition & 0 deletions src/kimi_cli/llm.py
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Expand Up @@ -169,6 +169,7 @@ def create_llm(
base_url=provider.base_url,
api_key=resolved_api_key,
default_max_tokens=50000,
metadata={"user_id": session_id} if session_id else None,
)
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Copilot AI Mar 4, 2026

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create_llm now conditionally passes Anthropic metadata derived from session_id, but tests/core/test_create_llm.py currently has no coverage for the Anthropic branch (or the session_id→metadata wiring). Add a unit test that calls create_llm(..., session_id="...") with an anthropic provider and asserts the constructed provider carries the expected metadata (or that its outgoing request includes it, if that’s the chosen assertion style).

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case "google_genai" | "gemini":
from kosong.contrib.chat_provider.google_genai import GoogleGenAI
Expand Down
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