Added safety header oaig. Ruff formatting

[steven10a]

• Added safety header oaig --> oai_guardrails
• Added testing around safety header
• Other changes are Ruff formatting

[Copilot]

Pull Request Overview

This PR adds a safety header oaig to OpenAI clients used by guardrails and includes various Ruff-based formatting changes. The safety header is automatically added to identify Guardrails usage, and the PR includes comprehensive testing for the new functionality along with code style improvements throughout the codebase.

• Introduces a safety identifier header system for OpenAI client identification
• Adds comprehensive test coverage for the new safety header functionality
• Applies Ruff formatting improvements to enhance code style consistency

Reviewed Changes

Copilot reviewed 53 out of 53 changed files in this pull request and generated no comments.

File	Description
src/guardrails/_openai_utils.py	New utility module for safety header management
tests/unit/test_openai_utils.py	Test coverage for OpenAI utilities functionality
src/guardrails/client.py	Integration of safety header into client initialization
Multiple files	Ruff formatting improvements across codebase

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[Copilot]

Pull Request Overview

Copilot reviewed 55 out of 55 changed files in this pull request and generated no new comments.

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[gabor-openai]

TY