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/check_banner_cars.py

@@ -0,0 +1,42 @@
+"""Check banner cars and their source_id for fetching performance checks"""
+import sqlite3
+import os
+
+os.chdir(r'D:\Workspace\claudeCode\AutonetSellCar.com\backend')
+conn = sqlite3.connect('autonet.db')
+cursor = conn.cursor()
+
+# 먼저 cars 테이블 구조 확인
+cursor.execute('PRAGMA table_info(cars)')
+columns = cursor.fetchall()
+print('=== cars Table Columns ===')
+col_names = [col[1] for col in columns]
+print(col_names)
+print()
+
+# 배너 차량들의 source_id 확인
+cursor.execute('''
+    SELECT h.car_id, c.source_id,
+           (SELECT COUNT(*) FROM car_performance_checks WHERE car_id = h.car_id) as has_perf
+    FROM hero_banners h
+    JOIN cars c ON h.car_id = c.id
+    WHERE h.is_active = 1
+''')
+banner_cars = cursor.fetchall()
+
+print('=== Banner Cars Status ===')
+print()
+cars_without_perf = []
+for car in banner_cars:
+    car_id, source_id, has_perf = car
+    status = 'O' if has_perf > 0 else 'X'
+    print(f'Car ID: {car_id}, Source ID: {source_id}, Perf Check: {status}')
+    if has_perf == 0 and source_id:
+        cars_without_perf.append((car_id, source_id))
+
+print()
+print('=== Cars that need performance check fetch ===')
+for car_id, source_id in cars_without_perf:
+    print(f'  Car ID: {car_id}, Source ID: {source_id}')
+
+conn.close()