Sommelier Arena — PRD

Single source of truth for the Sommelier Arena MVP.

• Overview — concept, core definitions, key constraints
• Features — full feature specification with host controls table and question flow
• User Stories — host and participant stories, edge cases
• Tech Stack & Principles — stack choices, persistence policy, design principles
• Database Model — ER diagram with field-level annotations
• Architecture — repo structure, runtime communication
• Quick Start — local dev setup

Status: MVP spec finalised. All conflicts resolved, all gaps filled.