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feat: A2A-T SDK 1.1.0 upgrade and host-callback engine architecture - #29

Merged

Zhoujie628 merged 49 commits into

project-openan:mainfrom

Zhoujie628:main

Aug 31, 2026

Merged

feat: A2A-T SDK 1.1.0 upgrade and host-callback engine architecture#29
Zhoujie628 merged 49 commits into
project-openan:mainfrom
Zhoujie628:main

Commits on Aug 23, 2026
Commits on Aug 24, 2026
- refactor(engine): migrate off the SDK's deprecated negotiation state machine
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  2d56c27
Commits on Aug 25, 2026
- chore: pin unreleased A2A-T SDK revision
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  aa4dae1
- docs: document pinned A2A-T SDK setup
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  e85746d
- feat(engine): align protocol clients with current A2A-T SDK
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  a4c3de6
- fix(engine): enforce workflow execution invariants
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  4485b58
- test(engine): cover protocol and workflow lifecycle behavior
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  c9faa81
- fix(starter): close streaming responses deterministically
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  ff20c42
- feat(samples): model SPN workflow protocol operations
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  f32766b
- test(samples): cover SPN protocol orchestration
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  617dcb4
- fix(samples): validate SPN completion and shutdown lifecycles
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  b52676d
- docs: align engine guidance with current protocol behavior
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  161f259
- docs(main): keep direct transport guidance vendor-neutral
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  ce83a06
Commits on Aug 26, 2026
- chore(a2at): pin latest SDK resources
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  e19769c
- fix(a2at): align protocol flows with latest SDK
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  b82755c
- test(a2at): cover current protocol contracts
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  caaf569
- docs(a2at): document latest-only protocol behavior
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  5958861
- fix(samples): restore protocol diagnostics
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  b063899
- docs(api): complete extension lifecycle signatures
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  c3c8ef4
- docs: remove superseded review artifacts
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  cdbd764
Commits on Aug 27, 2026
Commits on Aug 28, 2026
- chore(a2a): upgrade Java SDK to 1.2.0.Final
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  638049c
- feat(engine): expose current A2A-T business inputs
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  26eeaa2
- fix(samples): align SPN protocol business lifecycle
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  9aafcee
- docs: refresh current protocol integration guidance
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  c15f632
Commits on Aug 29, 2026
- feat(auth): support reusable credential profiles
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  620266e
- fix(samples): isolate pre-workflow protocol failures
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  5393eca
- docs(samples): clarify independent pre-workflow operations
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  8e26838
- feat(samples): support external AgentCard configuration
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  25b0ec5
- docs(samples): document external AgentCard loading
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  639b7f7
Commits on Aug 31, 2026