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/scripts/add_pdf_path_column.py

@@ -0,0 +1,63 @@
+"""
+Database migration: Add pdf_path column to car_performance_checks table
+
+Usage:
+    cd backend
+    python scripts/add_pdf_path_column.py
+"""
+
+import os
+import sys
+
+# Add parent directory to path for imports
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+
+from sqlalchemy import create_engine, text
+from sqlalchemy.exc import OperationalError
+
+DATABASE_URL = os.getenv("DATABASE_URL", "sqlite:///./autonetsellcar.db")
+
+
+def add_pdf_path_column():
+    """Add pdf_path column to car_performance_checks table"""
+
+    engine = create_engine(DATABASE_URL)
+
+    try:
+        with engine.connect() as conn:
+            # Check if column already exists
+            if "sqlite" in DATABASE_URL:
+                result = conn.execute(text("PRAGMA table_info(car_performance_checks)"))
+                columns = [row[1] for row in result.fetchall()]
+                if "pdf_path" in columns:
+                    print("Column 'pdf_path' already exists. Nothing to do.")
+                    return
+            else:
+                # PostgreSQL
+                result = conn.execute(text("""
+                    SELECT column_name
+                    FROM information_schema.columns
+                    WHERE table_name = 'car_performance_checks'
+                    AND column_name = 'pdf_path'
+                """))
+                if result.fetchone():
+                    print("Column 'pdf_path' already exists. Nothing to do.")
+                    return
+
+            # Add the column
+            print("Adding 'pdf_path' column to car_performance_checks table...")
+            conn.execute(text(
+                "ALTER TABLE car_performance_checks ADD COLUMN pdf_path VARCHAR(500)"
+            ))
+            conn.commit()
+            print("Column 'pdf_path' added successfully!")
+
+    except OperationalError as e:
+        if "duplicate column" in str(e).lower() or "already exists" in str(e).lower():
+            print("Column 'pdf_path' already exists. Nothing to do.")
+        else:
+            raise
+
+
+if __name__ == "__main__":
+    add_pdf_path_column()