docs: document v0.3 compatibility layer and standardize terminology#859
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kabir wants to merge 2 commits intoa2aproject:mainfrom
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docs: document v0.3 compatibility layer and standardize terminology#859kabir wants to merge 2 commits intoa2aproject:mainfrom
kabir wants to merge 2 commits intoa2aproject:mainfrom
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- Update architecture doc (compatibility_0.3.md) to reflect current state: multi-version deployment is implemented, remove historical planning artifacts, add VersionRouter and multi-version module docs - Add README sections for serving v0.3 clients (standalone and multi-version) and communicating with v0.3 agents using Client_v0_3 - Standardize terminology from "dual-version" to "multi-version" across POM descriptions, @disabled annotations, and test names - Add AGENTS.md reference to compatibility architecture doc This fixes a2aproject#856 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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This pull request completes the implementation of the A2A Protocol v0.3 backward compatibility layer, moving it from a deferred state to a fully supported feature. Key changes include the introduction of multi-version server deployment modules for JSON-RPC and REST, the VersionRouter for request dispatching based on the A2A-Version header, and comprehensive documentation updates in the README and architecture guides. Review feedback highlighted opportunities to improve the documentation examples by using more idiomatic transport configuration patterns and correcting redundant logic in the client discovery code snippets.
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Fixes #856