Support structured output with Pydantic models in `langchain-huggingface`

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Description

Contributor guide

Research direction

Examine the HuggingFace chat model implementation at the linked line to determine why PydanticOutputParser is not being used, and align with the documentation.

Tech stack

python

Domain

aibackend

Issue type

Bug

DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.

3

Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.

Half day

Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.

Active

ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.

Clear

Prerequisites

PythonLangChainPydantic

Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.

45