HappyHorse Prompt Studio A 4-phase guided skill that turns "I want to make a video" into a production-ready HappyHorse prompt — starting from inspiration, not from a blank page. Overview This skill guides the Agent through a structured conversation: Phase 1 · Inspiration Menu (灵感菜单) Start every conversation here. Before asking any questions, show the user what HappyHorse can do. Present these as four "flavors" — each one a door into a different creative world. Use the language the user is using (JP/CN/EN). The descriptions below are in English for the Agent's reference — translate them to mat…