Implement structured JSON outputs for agents #547
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Implement Anthropic's new native structured outputs feature (via output_format parameter) for supported models (Claude Sonnet 4.5, Opus 4.1+, Haiku 4.5). Changes: - Add native_structured_output field to ModelParameters in model_database.py - Create new model parameter configs for Anthropic models with structured output support - Add supports_native_structured_output() method to ModelDatabase - Add default_headers support to AnthropicSettings in config.py - Modify AnthropicLLM to use native structured outputs when supported: - Uses beta API with structured-outputs-2025-11-13 header - Falls back to tool-based method for unsupported models - Automatically adds additionalProperties: false to JSON schemas - Add comprehensive unit tests for the new functionality
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Implement Anthropic's new native structured outputs feature (via output_format parameter) for supported models (Claude Sonnet 4.5, Opus 4.1+, Haiku 4.5).
Changes: