docs: Add skill to fix TCK errors

[kabir]

No description provided.

[gemini-code-assist]

Summary of Changes

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This pull request introduces a new documentation asset that provides a structured approach for engineers to address Transport Compatibility Kit (TCK) errors within the A2A project. It aims to standardize the debugging and resolution process for compatibility issues across different transport layers (HTTP+JSON, gRPC, JSON-RPC), ensuring consistency and thoroughness in fixes.

Highlights

• New Skill Document Added: A new markdown document, fix-tck-issue.md, was added to the .agents/skills directory. This document outlines a comprehensive workflow for analyzing and fixing A2A Transport Compatibility Kit (TCK) compatibility issues.
• Standardized TCK Fix Workflow: The new document provides a step-by-step guide covering issue analysis, specification review, code analysis, reproducer creation, fix implementation, verification, and commit procedures for TCK errors across HTTP+JSON, gRPC, and JSON-RPC transports.
• Emphasis on Reproducers and Verification: The workflow critically emphasizes creating temporary reproducers, confirming their failure before implementing a fix, verifying the fix with these reproducers, and ensuring backward compatibility by running full test suites before committing changes.

Changelog

• .agents/skills/fix-tck-issue.md
  • Added a new skill document outlining the process for fixing A2A TCK compatibility issues.

Activity

• A new skill document, fix-tck-issue.md, was added to provide a structured guide for resolving A2A TCK compatibility issues.

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[gemini-code-assist]

Code Review

This pull request adds a new 'skill' documentation file, .agents/skills/fix-tck-issue.md, which provides a detailed workflow for debugging and fixing A2A TCK issues. The document is well-structured and comprehensive. My review includes a couple of suggestions to improve clarity by making some file paths more specific, ensuring the instructions are as unambiguous as possible for developers.