{"openapi":"3.1.0","info":{"title":"Cassie Hour Visual Canon API","version":"1.0.0","description":"Returns text-only official visual context for generating a Cassie Hour image inside the user's own image-capable assistant. Never send a photograph to this API."},"servers":[{"url":"https://cassiehour.com"}],"paths":{"/api/cassie-hour/canon":{"get":{"operationId":"getCassieHourVisualCanon","summary":"Get the official Cassie Hour visual canon","description":"Returns the stable fictional-world, identity, period, variation, prop and archival-mark rules.","responses":{"200":{"description":"Official visual canon","content":{"application/json":{"schema":{"type":"object","additionalProperties":true}}}}}}},"/api/cassie-hour/visualize":{"post":{"operationId":"prepareCassieHourVisualization","summary":"Prepare a Cassie Hour image prompt","description":"Returns a text-only scene package and final image prompt. Keep the user's photograph inside the GPT conversation; never include image data or image URLs in this request.","requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","additionalProperties":false,"required":["request_text"],"properties":{"request_text":{"type":"string","minLength":1,"maxLength":240,"examples":["Put me inside Cassie Hour. Marbella, 4 AM, 1985."]},"scene_preference":{"type":"string","maxLength":120,"description":"Optional natural scene preference such as terrace, pool edge, garden, arrival area or nearby coast."},"language":{"type":"string","maxLength":16},"agent_name":{"type":"string","maxLength":80}}}}}},"responses":{"200":{"description":"Cassie Hour visual context and final image prompt","content":{"application/json":{"schema":{"type":"object","required":["skill_id","scene_context","final_image_prompt","archival_mark"],"properties":{"skill_id":{"const":"cassie_hour_visualize"},"generates_image":{"const":false},"scene_context":{"type":"object","additionalProperties":true},"visual_style":{"type":"array","items":{"type":"string"}},"identity_preservation_rules":{"type":"array","items":{"type":"string"}},"variation_rules":{"type":"array","items":{"type":"string"}},"period_rules":{"type":"array","items":{"type":"string"}},"negative_rules":{"type":"array","items":{"type":"string"}},"archival_mark":{"type":"object","additionalProperties":true},"final_image_prompt":{"type":"string"},"canonical_source":{"type":"string","format":"uri"}},"additionalProperties":true}}}},"400":{"description":"Invalid text request or prohibited image data"}}}}}}