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/schemas/question.py

@@ -0,0 +1,61 @@
+from pydantic import BaseModel
+from typing import Optional, List
+from datetime import date, datetime
+
+
+class QuestionBase(BaseModel):
+    question_text: str
+    correct_answer: str
+    alt_answers: List[str] = []
+    difficulty: int
+    fun_fact: Optional[str] = None
+
+
+class QuestionCreate(QuestionBase):
+    category_id: int
+
+
+class QuestionUpdate(BaseModel):
+    question_text: Optional[str] = None
+    correct_answer: Optional[str] = None
+    alt_answers: Optional[List[str]] = None
+    difficulty: Optional[int] = None
+    fun_fact: Optional[str] = None
+    status: Optional[str] = None
+    date_active: Optional[date] = None
+
+
+class QuestionResponse(QuestionBase):
+    id: int
+    category_id: int
+    points: int
+    time_seconds: int
+    date_active: Optional[date]
+    status: str
+    created_at: datetime
+
+    class Config:
+        from_attributes = True
+
+
+class QuestionForGame(BaseModel):
+    id: int
+    category_id: int
+    question_text: str
+    difficulty: int
+    points: int
+    time_seconds: int
+
+    class Config:
+        from_attributes = True
+
+
+class AIGenerateRequest(BaseModel):
+    category_id: int
+    difficulty: int
+    count: int = 5
+
+
+class AIValidateRequest(BaseModel):
+    question_id: int
+    player_answer: str