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/game_event.py

@@ -0,0 +1,27 @@
+from sqlalchemy import Column, Integer, String, Text, Boolean, DateTime, ForeignKey
+from sqlalchemy.orm import relationship
+from sqlalchemy.sql import func
+from app.models.base import Base
+
+
+class GameEvent(Base):
+    __tablename__ = "game_events"
+
+    id = Column(Integer, primary_key=True, index=True)
+    session_id = Column(Integer, ForeignKey("game_sessions.id"), nullable=False)
+    event_type = Column(String(50), nullable=False)  # question_selected, answer_submitted, steal_attempted, etc.
+    player_name = Column(String(100))
+    team = Column(String(1))  # 'A' or 'B'
+    question_id = Column(Integer, ForeignKey("questions.id"))
+    answer_given = Column(Text)
+    was_correct = Column(Boolean)
+    was_steal = Column(Boolean, default=False)
+    points_earned = Column(Integer)
+    timestamp = Column(DateTime(timezone=True), server_default=func.now())
+
+    # Relationships
+    session = relationship("GameSession", back_populates="events")
+    question = relationship("Question", back_populates="game_events")
+
+    def __repr__(self):
+        return f"<GameEvent(id={self.id}, type='{self.event_type}', player='{self.player_name}')>"