Add waiting system application files

- Add main application files (main.py, models.py, schemas.py, etc.)
- Add routers for all features (waiting, attendance, members, etc.)
- Add HTML templates for admin and user interfaces
- Add migration scripts and utility files
- Add Docker configuration
- Add documentation files
- Add .gitignore to exclude database and cache files

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

check_missing_class.py

@@ -0,0 +1,35 @@
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker, joinedload
+from models import Store, WaitingList, Member
+
+SQLALCHEMY_DATABASE_URL = "sqlite:///./waiting_system.db"
+engine = create_engine(SQLALCHEMY_DATABASE_URL, connect_args={"check_same_thread": False})
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+db = SessionLocal()
+
+def check_class_info():
+    target_date = "2025-12-08"
+    store_name = "서울목동지점"
+    missing_number = 5
+    
+    store = db.query(Store).filter(Store.name == store_name).first()
+    
+    entry = db.query(WaitingList).options(joinedload(WaitingList.member)).filter(
+        WaitingList.store_id == store.id,
+        WaitingList.waiting_number == missing_number,
+    ).order_by(WaitingList.registered_at.desc()).first()
+
+    if entry:
+        print(f"entry ID: {entry.id}")
+        print(f"Waiting Number: {entry.waiting_number}")
+        print(f"Class ID: {entry.class_id}")
+        print(f"Status: {entry.status}")
+        
+if __name__ == "__main__":
+    try:
+        check_class_info()
+    except Exception as e:
+        print(f"Error: {e}")
+    finally:
+        db.close()