feat: add A2UI v0.8 extension for declarative UI generation#4869

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greysonlalonde wants to merge 13 commits intomainfrom

gl/feat/a2ui-extension

Commits on Mar 14, 2026

feat: add A2UI v0.8 extension for declarative UI generation
greysonlalonde
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docs: add A2UI extension guide
greysonlalonde
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feat: add A2UI content type to A2A utils
greysonlalonde
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test: add A2UI schema conformance tests
greysonlalonde
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docs: register A2UI guide in docs navigation
greysonlalonde
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fix: replace getattr with direct metadata access on DataPart
greysonlalonde
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Merge branch 'main' into gl/feat/a2ui-extension
greysonlalonde
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style: consolidate catalog imports in A2UI conformance tests
greysonlalonde
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refactor: add Field descriptions, explicit defaults, and ConfigDict to A2UI catalog models
greysonlalonde
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refactor: improve typing and use instance state in A2UI client extension
greysonlalonde
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refactor: add Field descriptions, explicit defaults, and ConfigDict to A2UI models
greysonlalonde
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fix: use typing_extensions.TypedDict for Pydantic compatibility on Python < 3.12
greysonlalonde
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Commits on Mar 15, 2026

fix: use A2UI_EXTENSION_URI for catalog label
greysonlalonde
committed