What problem does it solve? Long engineering-mode prompts lose effectiveness after a few conversation turns because they load only once and fade from context. This Skill activates the ENGINE, which keeps the engineering cycle alive through persistent on-disk state and a hook that re-injects a compact status card every turn. ## Core Features & Use Cases - Guided 8-phase cycle: Walks a project through DESCOBERTA, ANALISE, PLANO, BUILD, TESTE, REVISAO, DOC, and ENTREGA, with transitions enforced by the engine rather than by prompt text. - On-demand engines and volumes: Surfaces five criterion engines (code review, performance optimization, architecture, ideation, diagramming) and ready knowledge volumes as each phase becomes relevant. - Five project invariants: Enforces rules such as never claiming success without evidence and never modifying tests to make code pass. - Use Case: Run /construir "Create a REST orders API in Node.js" to start a structured build where architecture decisions, testing, review, and documentation each happen in their own tracked phase. ## Quick Start Ask the assistant to run /construir followed by your project goal, for example building a todo list app in React, and then follow the phase card that appears.