Changes to Returns comprehensive research-grade answers with multi-step reasoning

request property source_control/country was restricted to a list of enum values

the source_control/freshness request property type changed from string to no type

added ResearchOutput ResearchTask to the response body oneOf list for the response status 200

added the new AR enum value to the request property source_control/country

added the new AT enum value to the request property source_control/country

added the new AU enum value to the request property source_control/country

added the new BE enum value to the request property source_control/country

added the new BR enum value to the request property source_control/country

added the new CA enum value to the request property source_control/country

added the new CH enum value to the request property source_control/country

added the new CL enum value to the request property source_control/country

added the new CN enum value to the request property source_control/country

added the new DE enum value to the request property source_control/country

added the new DK enum value to the request property source_control/country

added the new ES enum value to the request property source_control/country

added the new FI enum value to the request property source_control/country

added the new FR enum value to the request property source_control/country

added the new GB enum value to the request property source_control/country

added the new HK enum value to the request property source_control/country

added the new ID enum value to the request property source_control/country

added the new IN enum value to the request property source_control/country

added the new IT enum value to the request property source_control/country

added the new JP enum value to the request property source_control/country

added the new KR enum value to the request property source_control/country

added the new MX enum value to the request property source_control/country

added the new MY enum value to the request property source_control/country

added the new NL enum value to the request property source_control/country

added the new NO enum value to the request property source_control/country

added the new NZ enum value to the request property source_control/country

added the new PH enum value to the request property source_control/country

added the new PL enum value to the request property source_control/country

added the new PT enum value to the request property source_control/country

added the new RU enum value to the request property source_control/country

added the new SA enum value to the request property source_control/country

added the new SE enum value to the request property source_control/country

added the new TR enum value to the request property source_control/country

added the new TW enum value to the request property source_control/country

added the new US enum value to the request property source_control/country

added the new ZA enum value to the request property source_control/country

added the new frontier enum value to the request property research_effort

added Freshness subschema #2 to the source_control/freshness request property oneOf list

removed ResearchResponse TaskResponse from the response body oneOf list for the response status 200

added ResearchResponse TaskResponse to the response body oneOf list for the response status 200

the response's body type changed from object to no type for status 200

removed the required property output from the response with the 200 status

added the new optional request property background

added the new optional request property output_schema

added the new optional request property source_control