V2 Arrow Clients

[DarthMax]

Part of GDSA-109

[netlify]

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[Copilot]

Pull Request Overview

This PR introduces V2 Arrow Clients for the GraphDataScience library, implementing a new Arrow-based communication layer with authentication, middleware, and client functionality for job management, mutations, and write-back operations.

• Adds authentication middleware with token management and basic auth support
• Implements V2 client classes for job management, mutations, and write-back operations
• Introduces data models and utilities for Arrow Flight communication

Reviewed Changes

Copilot reviewed 19 out of 24 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
mypy.ini	Adds pydantic.mypy plugin for type checking
graphdatascience/arrow_client/arrow_authentication.py	Defines authentication interfaces and implementations
graphdatascience/arrow_client/arrow_base_model.py	Base model class with camelCase serialization
graphdatascience/arrow_client/arrow_info.py	Arrow server information data class
graphdatascience/arrow_client/authenticated_flight_client.py	Main authenticated Arrow Flight client implementation
graphdatascience/arrow_client/middleware/auth_middleware.py	Authentication middleware for handling tokens and basic auth
graphdatascience/arrow_client/middleware/user_agent_middleware.py	User agent middleware for request headers
graphdatascience/arrow_client/v2/api_types.py	API type definitions for V2 clients
graphdatascience/arrow_client/v2/data_mapper_utils.py	Utilities for deserializing Arrow results
graphdatascience/arrow_client/v2/job_client.py	Client for job management operations
graphdatascience/arrow_client/v2/mutation_client.py	Client for mutation operations
graphdatascience/arrow_client/v2/write_back_client.py	Client for write-back operations
Test files	Unit tests for all new client functionality