feat(anthropic): Support JSON schema transformer and strict tool calls #3471
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…sformer and strict tool calls Implements Anthropic's structured outputs beta feature for Claude models. - Implement AnthropicJsonSchemaTransformer following Anthropic docs - Add strict mode support with correct truthy check (not 'is not None') - Set additionalProperties: false for objects (required by Anthropic) - Mark all properties as required in strict mode - Integrate with Anthropic's transform_schema helper (optional) - Add comprehensive tests covering all edge cases Addresses pydantic#3428
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- Change strict check from truthy to explicit True comparison - Update test expectations for Anthropic strict mode behavior - Add mock provider to test_anthropic_strict_mode_tool_mapping - Update inline snapshots for auto-strict mode on compatible schemas Fixes all 16 failing test jobs across Python 3.10-3.13
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@Anas20001 Hey Anas, thanks for filing this but I've already been reviewing #3457 so I'll focus on that one. |
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Overview
Implements Anthropic's structured outputs beta feature (
structured-outputs-2025-11-13) for Claude models, addressing issue #3428.