Brainstorm: Ideas Into Specs Turn a fuzzy idea into a comprehensive, implementation-free project spec through collaborative dialogue. The output is a standalone spec document — structured enough for any agentic system to consume, clear enough for a human to act on. It captures WHAT and WHY, never HOW. <hard gate Do NOT write any code, create implementation plans, scaffold projects, or take any implementation action. This skill produces a SPEC DOCUMENT only. Every project goes through this process regardless of perceived simplicity — "simple" projects are where unexamined assumptions waste the…