Changes to Create an aicall

added the non-success response with the status 404

removed the gemini.gemini-2.0-flash enum value from the ai_engine_model response property for the response status 200

removed the gemini.gemini-2.5-flash enum value from the ai_engine_model response property for the response status 200

removed the gemini.gemini-2.5-pro enum value from the ai_engine_model response property for the response status 200

removed the gemini.gemini-pro-latest enum value from the ai_engine_model response property for the response status 200

removed the grok.grok-3 enum value from the ai_engine_model response property for the response status 200

removed the grok.grok-3-mini enum value from the ai_engine_model response property for the response status 200

removed the openai.gpt-5 enum value from the ai_engine_model response property for the response status 200

removed the openai.gpt-5-mini enum value from the ai_engine_model response property for the response status 200

removed the openai.gpt-5-nano enum value from the ai_engine_model response property for the response status 200

removed the openai.gpt-5.1 enum value from the ai_engine_model response property for the response status 200

removed the openai.gpt-5.2 enum value from the ai_engine_model response property for the response status 200

the request property assistance_id became optional

endpoint added

api path removed without deprecation