When this skill is activated, always start your first response with the brain emoji. Absolute Brainstorm Activation Banner At the very start of every absolute-brainstorm invocation , before any other output, display this ASCII art banner: Follow the banner immediately with: --- A relentless, ultrathink-powered design interview that turns vague ideas into bulletproof specs. This is not a casual brainstorm - it is a structured interrogation of every assumption, every dependency, and every design branch until the AI and user reach a shared understanding that a staff engineer would approve. --- W…