Changes to Create Message

removed subschema #1 subschema #2 from the tool_choice request property oneOf list

the thinking request property type changed from object to no type

added AnthropicThinkingContent AnthropicRedactedThinkingContent to the content/items response property oneOf list for the response status 200

removed the request property thinking/budget_tokens

removed the request property thinking/type

added the new optional request property betas

added the new optional request property context_management

added the new optional request property metadata

added the new optional request property output_config

added the new optional request property tools/items/defer_loading

added the new optional request property tools/items/eager_input_streaming

added the new optional request property tools/items/strict

added the new optional request property tools/items/type

the request property tools/items/input_schema became optional

added the new system enum value to the request property messages/items/role

request property system list-of-types was widened by adding types array to media type application/json

added AnthropicThinkingContent AnthropicRedactedThinkingContent to the messages/items/content/oneOf[subschema #2]/items request property oneOf list

added subschema #1 subschema #2 to the thinking request property oneOf list

added subschema #1 subschema #2 to the tool_choice request property oneOf list