feat(client): Rename ClientFactory to A2AClientFactory

[zeroasterisk]

Completed task 555: Renamed ClientFactory to A2AClientFactory for backwards compatibility and spec alignment while auto-selecting transport based on supportedInterfaces. Exported both ClientFactory and A2AClientFactory.

[gemini-code-assist]

Summary of Changes

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This pull request refactors the client factory implementation by renaming ClientFactory to A2AClientFactory. This change enhances code clarity and aligns the naming with project specifications. Crucially, it maintains backward compatibility by ensuring both the old and new class names are available for use, preventing breaking changes for existing consumers. The update also incorporates improved logic for automatically selecting the correct transport based on supported interfaces.

Highlights

• Class Renaming: The ClientFactory class was renamed to A2AClientFactory for improved clarity and alignment with specifications.
• Backward Compatibility: Both ClientFactory and A2AClientFactory are now exported, ensuring existing code using the old name continues to function without breaking changes.
• Transport Selection: The client factory now includes logic for auto-selecting the appropriate transport mechanism based on supportedInterfaces.

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[gemini-code-assist]

Code Review

This pull request renames ClientFactory to A2AClientFactory and provides a backward-compatibility alias. The changes are consistent across the codebase. My review includes one suggestion to add a TODO comment for future deprecation of the alias. Additionally, consider updating the tests in tests/client/test_client_factory.py to use the new A2AClientFactory name to align with the API changes.

[gemini-code-assist]

While this alias is great for backward compatibility, it's a good practice to plan for its eventual deprecation to encourage users to adopt the new A2AClientFactory name. Adding a TODO comment here can help track this for the future.

Suggested change

	ClientFactory = A2AClientFactory
	ClientFactory = A2AClientFactory # TODO: Deprecate in favor of A2AClientFactory

[github-actions]

🧪 Code Coverage (vs 1.0-dev)

⬇️ Download Full Report

	Base	PR	Delta
src/a2a/client/client_factory.py	89.35%	89.41%	🟢 +0.06%
Total	91.45%	91.45%	⚪️ 0.00%

Generated by coverage-comment.yml