Python: [Bug]: A2AAgent inconsistent with BaseAgent: context_providers not triggered #4754

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1. 洛书 (lixiaoqiang)

   added

   bugUsage: [Issues], Target: all issues (Legacy, prefer issue type: bug)Usage: [Issues], Target: all issues (Legacy, prefer issue type: bug)

   on Mar 18, 2026
2. 洛书 (lixiaoqiang)

   added the

   Bug

   issue type on Mar 18, 2026
3. FocusMode-coder commented on Mar 18, 2026

   

   LUCIANO AI (FocusMode-coder)

   on Mar 18, 2026

   More actions

   Hey! I may be able to help with this bug.

   I build custom fixes for Python projects and automation systems.

   If you'd like help resolving this issue quickly feel free to reach out.

   Happy to take a look 👍
4. Mark Wallace (markwallace-microsoft)

   added

   pythonUsage: [Issues, PRs], Target: PythonUsage: [Issues, PRs], Target: Python

   triageUsage: [Issues], Target: All issues that still need to be triagedUsage: [Issues], Target: All issues that still need to be triaged

   on Mar 18, 2026
5. Eduard van Valkenburg (eavanvalkenburg)

   self-assigned this

   on Mar 18, 2026
6. Eduard van Valkenburg (eavanvalkenburg)

   removed

   triageUsage: [Issues], Target: All issues that still need to be triagedUsage: [Issues], Target: All issues that still need to be triaged

   on Mar 18, 2026
7. Eduard van Valkenburg (eavanvalkenburg)

   added 9 commits that reference this issue on Mar 18, 2026

   Fix A2AAgent to invoke context providers before and after run

   ...

   This issue will close once commit f160521 is merged into the 'main' branch.

   f160521

   Address PR review feedback for microsoft#4754

   ...

   This issue will close once commit ea7d739 is merged into the 'main' branch.

   ea7d739

   Improve test coverage for empty-messages guard in A2AAgent.run (micro…

   ...

   This issue will close once commit 1ebd481 is merged into the 'main' branch.

   1ebd481

   Fix A2AAgent context_providers not triggered (microsoft#4754)

   ...

   This issue will close once commit a198c58 is merged into the 'main' branch.

   a198c58

   Fix pyright errors in A2AAgent context_providers implementation (micr…

   ...

   This issue will close once commit 37c88a0 is merged into the 'main' branch.

   37c88a0

   Fix PR review feedback for microsoft#4754: type ignore syntax and his…

   ...

   This issue will close once commit 430069a is merged into the 'main' branch.

   430069a

   Address PR review feedback for microsoft#4754: fast-path and stronger…

   ...

   This issue will close once commit a8f7796 is merged into the 'main' branch.

   a8f7796

   fix: resolve pyright 'possibly unbound' errors in A2AAgent non-stream…

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   This issue will close once commit eb986bd is merged into the 'main' branch.

   eb986bd

   test: add continuation_token + context_providers coverage (microsoft#…

   ...

   This issue will close once commit 3165912 is merged into the 'main' branch.

   3165912
8. github-merge-queue

   added a commit that references this issue on Mar 19, 2026

   Python: Fix A2AAgent to invoke context providers before and after run (…

   ...

   This issue will close once commit 4b21f38 is merged into the 'main' branch.

   4b21f38
9. Eduard van Valkenburg (eavanvalkenburg)

   closed this as completedin #4757on Mar 19, 2026