feat: use thoughtSignature bypass for Gemini tool part injection #270
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v1.2.1 - Fix Claude reasoning block injection
merge dev into master
v1.2.2 - Version bump
Instead of using text injection for Gemini models, use tool parts with the 'skip_thought_signature_validator' bypass signature. This flows through: ToolPart.metadata -> callProviderMetadata -> providerOptions -> @ai-sdk/google reads providerOptions.google.thoughtSignature. This provides consistent tool part injection across all providers while avoiding Gemini's thought signature validation errors.
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Summary
skip_thought_signature_validatorbypass for Gemini instead of text injection