# BrickWallView.com — Cellular S·Q·P Decision & Valuation Wall > Every decision, checked brick by brick. ## Architecture - **S (State Gate):** Verifies schema completeness, timestamp freshness (<24h), and raw source integrity. - **Q (Question Gate):** Reverse-JEV audit verifying that forward classification aligns with the user's actual valuation or risk question. - **P (Proof Gate):** Enforces inventory completeness, margin floor, and trademark/regulatory compliance. - **Bidirectional JEV Consensus:** Forward JEV (:8340) + Reverse JEV (:8350/:8342).