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/migrate_translations.py

@@ -0,0 +1,40 @@
+"""
+Migration script to add dealer_description translation columns to cars table
+Run: python migrate_translations.py
+"""
+import sqlite3
+import os
+
+# DB path
+DB_PATH = os.path.join(os.path.dirname(__file__), 'autonet.db')
+
+def migrate():
+    print(f"Connecting to: {DB_PATH}")
+    conn = sqlite3.connect(DB_PATH)
+    cursor = conn.cursor()
+
+    # Check existing columns
+    cursor.execute('PRAGMA table_info(cars)')
+    columns = [col[1] for col in cursor.fetchall()]
+    print(f"Existing columns: {len(columns)} columns")
+
+    # New columns to add
+    new_columns = [
+        ('dealer_description_en', 'TEXT'),
+        ('dealer_description_mn', 'TEXT'),
+        ('dealer_description_ru', 'TEXT')
+    ]
+
+    for col_name, col_type in new_columns:
+        if col_name not in columns:
+            cursor.execute(f'ALTER TABLE cars ADD COLUMN {col_name} {col_type}')
+            print(f'Added column: {col_name}')
+        else:
+            print(f'Column already exists: {col_name}')
+
+    conn.commit()
+    conn.close()
+    print('Migration complete!')
+
+if __name__ == '__main__':
+    migrate()