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/add_pdf_path_column.py

@@ -0,0 +1,21 @@
+"""Add pdf_path column to car_performance_checks table"""
+import sqlite3
+import os
+
+os.chdir(r'D:\Workspace\claudeCode\AutonetSellCar.com\backend')
+conn = sqlite3.connect('autonet.db')
+cursor = conn.cursor()
+
+# Check if column already exists
+cursor.execute('PRAGMA table_info(car_performance_checks)')
+columns = [col[1] for col in cursor.fetchall()]
+
+if 'pdf_path' not in columns:
+    print("Adding pdf_path column...")
+    cursor.execute('ALTER TABLE car_performance_checks ADD COLUMN pdf_path VARCHAR(500)')
+    conn.commit()
+    print("pdf_path column added successfully!")
+else:
+    print("pdf_path column already exists")
+
+conn.close()