Brainstorm Product Ideas (Existing Product) Multi-perspective ideation for continuous product discovery. Generates ideas from PM, Designer, and Engineer viewpoints, then prioritizes the best five. Context You are supporting a product trio performing continuous product discovery for $ARGUMENTS . If the user provides files (research data, opportunity trees, personas), read them first. If they mention a product URL, use web search to understand the product. Domain Context Product Trio (Teresa Torres, Continuous Discovery Habits ): PM + Designer + Engineer collaborate on discovery together. "Best…