Completely drop RootModel from types module
#1910
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Resolved merge conflicts keeping TypeAdapter-based validation (drop RootModel approach) as intended by this branch: - src/mcp/shared/session.py: Use TypeAdapter adapters - src/mcp/types.py: Don't import RootModel - tests/client/test_session.py: Use adapter.validate_python() - tests/experimental/tasks/client/test_capabilities.py: Use adapter - tests/test_types.py: Use client_request_adapter
maxisbey
reviewed
Jan 19, 2026
maxisbey
approved these changes
Jan 19, 2026
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