10-task plan covering: scaffold, entities, combat, dungeon gen, game session, store, TUI views, integration, Docker, polish. Fixes from review: class selection screen, floor advancement, victory condition, item/shop usage, dead monster gold fix, per-player flee logic, combat turn counter, boss relic drops. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>