feat: A2UI v0.9 protocol support — message parsing, surface rendering, 12-component catalog#78

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blove merged 13 commits into

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langgraph-integration

Apr 9, 2026

Commits on Apr 9, 2026

docs: add A2UI v0.9 Phase 1 design spec
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docs: add A2UI v0.9 Phase 1 implementation plan
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chore: scaffold @cacheplane/a2ui library
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feat(a2ui): add A2UI v0.9 message and component types
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feat(a2ui): add JSON Pointer get/set/delete utilities

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feat(a2ui): add JSONL message parser

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feat(a2ui): add dynamic value resolution with template interpolation

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feat(chat): add A2UI surface store with signal-based state management

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feat(chat): add A2UI v0.9 default component catalog (12 components)

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feat(chat): add A2UI surface renderer converting surfaces to render specs

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feat(chat): wire ContentClassifier A2UI detection to JSONL parser and surface store

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feat(chat): integrate A2UI surface rendering in ChatComponent

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fix(chat): fix lint errors in A2UI catalog components
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