NeMo-Guardrails

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bug: stream_async with custom generator silently bypasses guardrails and ignores logging options

4

### Did you check docs and existing issues? - [x] I have read all the NeMo-Guardrails docs - [x] I have updated the package to the latest version before submitting...

ViiSkor

feat(llm): add LangChain 1.x content blocks support for reasoning and tool calls

1

## Description Added support for extracting reasoning traces and tool calls from LangChain 1.x content blocks format, with automatic fallback to the legacy format for backward compatibility. The implementation: -...

Pouyanpi

feat: support langchain v1

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# PR Description ## Summary Adds full LangChain 1.x support while maintaining backward compatibility with 0.x versions. This PR migrates all imports to use canonical `langchain-core` paths, removes deprecated features...

Pouyanpi

chore(llm): remove deprecated llm_params module

1

## Description Removes the deprecated `nemoguardrails.llm.params` module that was scheduled for removal in v0.19.0. The `llm_params` context manager has been replaced by passing parameters directly to `llm_call()` using the `llm_params`...

Pouyanpi

docs(fix): Fix appearance of translation

2

## Description The doc file was misformatted and cause the page to render incorrectly. The [safe response in Hindi](https://nvidia-nemo.github.io/Guardrails/review/pr-1500/user-guides/advanced/nemotron-safety-guard-deployment.html#configuring-guardrails-and-running-inference) looks better now. ## Related Issue(s) ## Checklist - [ ]...

mikemckiernan

feat: a flexible topic detector rail based on embeddings models

2

## Description This PR adds embedding-based topic detection rail using semantic similarity to block off-topic queries. This additional detector would give users a lightweight, fast and flexible alternative for topic...

m-misiura

chore(logging): Log model name and base URL before invoking LLMs

5

## Description This PR logs the model name and base URL before an LLM is invoked. Some context: From the [NeMo Guardrails microservice](https://docs.nvidia.com/nemo/microservices/latest/guardrails/index.html), we've run into different errors that can...

JashG

### Did you check docs and existing issues? - [x] I have read all the NeMo-Guardrails docs - [x] I have updated the package to the latest version before submitting...

zian-dsd

### Please also confirm the following - [x] I have searched the [main issue tracker](https://github.com/NVIDIA/NeMo-Guardrails/issues) of NeMo Guardrails repository and believe that this is not a duplicate ### Issue Kind...

miyoungc

chore(types): Type-clean colang/ (111 errors)

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## Description ## Summary This report details the type-safety enhancements and bug fixes introduced in the pull request. The changes primarily focus on preventing runtime `TypeError`, `AttributeError`, and `KeyError` exceptions...

tgasser-nv