Initial commit: AutonetSellCar platform with deployment system

- Frontend: Next.js 14 with TypeScript
- Backend: FastAPI with SQLAlchemy
- Agent: Carmodoo sync agent
- Deployment: Docker Compose based staging/production setup
- Scripts: Automated deployment with rollback support

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

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

backend/app/models/translation.py

@@ -0,0 +1,28 @@
+from sqlalchemy import Column, Integer, String, DateTime, Index
+from sqlalchemy.sql import func
+from ..database import Base
+
+
+class Translation(Base):
+    """Translation dictionary for car-related terms"""
+    __tablename__ = "translations"
+
+    id = Column(Integer, primary_key=True, index=True)
+
+    # Source text (Korean)
+    source_text = Column(String(500), nullable=False, index=True)
+
+    # Category: maker, model, fuel, transmission, color, car_name, etc.
+    category = Column(String(50), nullable=False, index=True)
+
+    # Translations
+    text_en = Column(String(500))  # English
+    text_mn = Column(String(500))  # Mongolian
+    text_ru = Column(String(500))  # Russian
+
+    created_at = Column(DateTime, default=func.now())
+    updated_at = Column(DateTime, default=func.now(), onupdate=func.now())
+
+    __table_args__ = (
+        Index('ix_translations_source_category', 'source_text', 'category', unique=True),
+    )