fix(ai): default newer Claude models to drop invalid thinking - #47884
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Type of change
What does this PR do?
Default Anthropic thinking-prefix recovery to
drop_blockfor Claude 5.1+ directly in the AI adapter. Recognize dash/dot versions, gateway namespaces, and Vertex suffixes. Send the required beta header and honor explicit thinking settings.How did you verify your code works?
bun typecheckpassed inpackages/aiandpackages/core.Screenshots / recordings
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