<!-- PM-Skills | https://github.com/product-on-purpose/pm-skills | Apache 2.0 -- Design Sprint Prototype Plan (Thursday morning) Thursday is the prototype build day. This skill produces the morning planning artifact that makes the build run; it does NOT build the prototype itself. The skill assigns roles, locks the fidelity bar, drafts the Five-Act interview script, defines the trial-run gate, and confirms Friday participants. The actual building (Figma frames, slideware decks, role-play scripts, paper assemblies) is craft work the team owns through the rest of Thursday. Family contract: . Th…