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Add full A2UI v0.9 and v0.9.1 support - #1

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lukaszsamson merged 5 commits into
mainfrom
codex/a2ui-v0-9-and-v0-9-1-support
Jul 19, 2026
Merged

lukaszsamson merged 5 commits into
mainfrom
codex/a2ui-v0-9-and-v0-9-1-support

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@lukaszsamson

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What changed

  • adds released A2UI v0.9 and v0.9.1 parsing, lifecycle semantics, capabilities, A2A envelopes, and v0.8 compatibility
  • validates released messages and registered custom catalogs against vendored Draft 2020-12 schemas
  • completes Basic Catalog rendering defaults, local functions, data binding, targeting, accessibility, and support documentation
  • adds focused conformance, rendering, interaction, and regression coverage

Why

The library was implemented against the v0.9 release candidate. The released v0.9 and v0.9.1 specifications changed schemas, defaults, lifecycle rules, capabilities, functions, and Basic Catalog behavior.

Impact

Consumers can explicitly negotiate and process released v0.9 and v0.9.1 while existing v0.8 APIs and behavior remain supported.

Validation

  • mix compile --force --warnings-as-errors
  • mix precommit
  • git diff --check

@lukaszsamson
lukaszsamson marked this pull request as ready for review July 19, 2026 12:17
@lukaszsamson
lukaszsamson merged commit f9166ed into main Jul 19, 2026
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