Changes to Chat Completions

added the new optional request property safety_identifier

added the new optional request property tools/items/anyOf[subschema #3]/external_web_access

added the new undefined enum value to the request property effort

added the new undefined enum value to the request property prompt_cache_retention

added the new undefined enum value to the request property reasoning_effort

added the new undefined enum value to the request property verbosity

added the new optional request property tools/items/anyOf[subschema #1]/eager_input_streaming

added the new optional request property web_search_options

added subschema #4 to the tools/items request property anyOf list

added the new optional request property parallel_tool_calls

added the new optional request property tools/items/anyOf[subschema #1]/allowed_callers

added the new optional request property tools/items/anyOf[subschema #1]/function/strict

added the new optional request property anthropic_safeguards

added the new optional request property prompt

the request property messages became optional

the request property model became optional

added the new optional request property reasoning/mode

added the new optional request property image_config/moderation

added the new optional request property messages/items/content/anyOf[subschema #2]/items/anyOf[subschema #1]/extra_content

added the new optional request property messages/items/tool_calls/items/extra_content

added the new max enum value to the request property image_config/image_quality

added the new xhigh enum value to the request property image_config/image_quality

the response property error/code became nullable for the status 400

the response property error/code became nullable for the status 401

the response property error/code became nullable for the status 402

the response property error/code became nullable for the status 403

the response property error/code became nullable for the status 404

the response property error/code became nullable for the status 410

the response property error/code became nullable for the status 429

the response property error/code became nullable for the status 500

the response property error/code became nullable for the status 502

the response property error/code became nullable for the status 503

the response property error/code became nullable for the status 504

added the non-success response with the status 408

added the non-success response with the status 413

added the non-success response with the status 415

added the non-success response with the status 529