feat: Initial project structure for WebTriviasMulti

- Backend: FastAPI + Python-SocketIO + SQLAlchemy
  - Models for categories, questions, game sessions, events
  - AI services for answer validation and question generation (Claude)
  - Room management with Redis
  - Game logic with stealing mechanics
  - Admin API for question management

- Frontend: React + Vite + TypeScript + Tailwind
  - 5 visual themes (DRRR, Retro, Minimal, RGB, Anime 90s)
  - Real-time game with Socket.IO
  - Achievement system
  - Replay functionality
  - Sound effects per theme

- Docker Compose for deployment
- Design documentation

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/app/models/question.py

@@ -0,0 +1,28 @@
+from sqlalchemy import Column, Integer, String, Text, Date, DateTime, ForeignKey, ARRAY
+from sqlalchemy.orm import relationship
+from sqlalchemy.sql import func
+from app.models.base import Base
+
+
+class Question(Base):
+    __tablename__ = "questions"
+
+    id = Column(Integer, primary_key=True, index=True)
+    category_id = Column(Integer, ForeignKey("categories.id"), nullable=False)
+    question_text = Column(Text, nullable=False)
+    correct_answer = Column(String(500), nullable=False)
+    alt_answers = Column(ARRAY(String), default=[])
+    difficulty = Column(Integer, nullable=False)  # 1-5
+    points = Column(Integer, nullable=False)
+    time_seconds = Column(Integer, nullable=False)
+    date_active = Column(Date, index=True)
+    status = Column(String(20), default="pending")  # pending, approved, used
+    fun_fact = Column(Text)
+    created_at = Column(DateTime(timezone=True), server_default=func.now())
+
+    # Relationships
+    category = relationship("Category", back_populates="questions")
+    game_events = relationship("GameEvent", back_populates="question")
+
+    def __repr__(self):
+        return f"<Question(id={self.id}, difficulty={self.difficulty}, status='{self.status}')>"