Fix anthropic xiangyu

[Zephyroam]

Related Issue

Closes #

Description

Simplify Anthropic schema normalization by using the SDK's built-in transform_schema.
The previous implementation manually handled JSON Schema constraints. But the Anthropic Python SDK already provides anthropic.transform_schema that does all of this correctly.

Fix output_config + tools conflict.
When both output_config (structured output) and tools are present in a request, output_config constrains ALL text output to the JSON schema, which prevents the model from emitting tool_use blocks. This PR
moves tool conversion before output_config setup and skips output_config when tools are present.

Fix precommit / type-check issues in vlm_embedding.py, internal_python_interpreter.py, mistral_model.py, and hybrid_retrival.py.

REMOVE normalize_schema for output as it is not needed.

What is the purpose of this pull request?

• Bug fix
• New Feature
• Documentation update
• Other

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