Changes to AI Image Generator

added the new nano-banana-2.1 enum value to the request property model

added the new qwen-image-2.1 enum value to the request property model

added the new krea-2 enum value to the request property model

added the new gpt-image-2.5-flare enum value to the request property model

added the non-success response with the status 500

removed the Not Found enum value from the message response property for the response status 404

removed the Unauthorized enum value from the message response property for the response status 401

added the required property code to the response with the 400 status

added the required property code to the response with the 401 status

added the required property code to the response with the 402 status

added the required property code to the response with the 404 status

added the required property code to the response with the 422 status

added the new seedream-v5-pro enum value to the request property model

added the new nano-banana-2-lite enum value to the request property model

added the new flux-2-klein enum value to the request property model

added the new gpt-image-2 enum value to the request property model

added the new 1k enum value to the request property resolution

added the new 640px enum value to the request property resolution

added the new seedream-v4 enum value to the request property model

the style/prompt request property's minLength was increased from 0 to 1

added the non-success response with the status 402

added the new nano-banana enum value to the request property model

added the new nano-banana-2 enum value to the request property model

removed the request property orientation

removed the request property style/quality_mode

added the new optional request property aspect_ratio

added the new optional request property model

added the new optional request property resolution

the image_count request property's max was increased from 4.00 to 16.00

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