/design -- Product Validation Gate Quick Ref: Validates that a proposed goal aligns with the product's strategic direction before discovery begins major work. Council-gated with . --- Quick Start --- Execution Steps Step 0: Check for PRODUCT.md Locate in the repo root. If absent: Output a warning and return PASS with note: "No PRODUCT.md found -- skipping product validation gate. Run to generate one." If present: Continue to Step 1. Step 1: Load Product Context Read and extract: - Mission -- the product's core purpose - Personas -- defined user types and their needs - Gaps -- known product ga…