action openai_create_image_variation { label: "Creates a variation of a given image." provider: openai method: POST path: "/images/variations" encoding: json output: { required: ["created", "data"] properties: { created: { type: "integer" } data: { type: "array" items: { type: "object" properties: { b64_json: { type: "string" } url: { type: "string" } } } } } } }