Migrate crewai.a2a module to a2a-sdk v1.0.x

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Fix #5607: CrewAI 1.14.2 is incompatible with a2a-sdk v1.0.1+

Breaking changes in a2a-sdk v1.0:
- A2AClientHTTPError renamed to A2AClientError
- Protobuf-based types replace Pydantic models
- Enum values changed to SCREAMING_SNAKE_CASE
- TextPart/DataPart/FilePart removed (Part uses oneof)
- AgentCard.url removed (use supported_interfaces)
- StreamResponse wraps all event types
- model_dump/model_copy replaced with protobuf serialization

Changes:
- Add _compat.py: centralized compatibility layer with helpers
- Update pyproject.toml: a2a-sdk>=1.0.0,<2
- Update all a2a module files to use protobuf API
- Update existing tests for v1.0 patterns
- Add comprehensive test_a2a_sdk_v1_compat.py (46 tests)

Co-Authored-By: João <joao@crewai.com>

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This commit is contained in:

Devin AI

2026-04-24 16:01:13 +00:00

parent b0e2fda105

commit bec175ec9a

23 changed files with 6214 additions and 5340 deletions

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