Add a LangChain chat model integration for the orchestration service

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
55/100
Issue type
Feature
Clarity
Mostly clear
Activity status
Active
Tech stack
python

Research direction

Start by reading the existing proxy/langchain/ wrappers and the orchestration service implementations under v1 gen_ai_hub/orchestration/ and v2 orchestration_v2/. Define the LangChain BaseChatModel integration for both orchestration versions, then add coverage showing that the wrapper delegates chat requests and exposes the expected LangChain behavior.

Written by the indexing model from the issue text.

Description

Checklist
Describe the Problem

The SDK's orchestration service (v1 gen_ai_hub/orchestration/ and v2 orchestration_v2/) has no LangChain integration, LangChain support exists only for the proxy provider clients.

Propose a Solution

Provide a LangChain BaseChatModel wrapper backed by the orchestration service (analogous to the existing proxy/langchain/ wrappers).

Describe Alternatives

No response

Affected Development Phase

Development

Impact

Impaired

Timeline

No response

Additional Context

No response

Dominant language
Python
Stars
4
Forks
1
Avg merge
2d 4h
Merged PRs (30d)
48

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