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/update_inquiry_db.py

@@ -0,0 +1,49 @@
+import sqlite3
+
+conn = sqlite3.connect('D:/Workspace/claudeCode/AutonetSellCar.com/backend/car_platform.db')
+cursor = conn.cursor()
+
+# Check existing columns in inquiries table
+cursor.execute('PRAGMA table_info(inquiries)')
+columns = cursor.fetchall()
+existing_cols = [col[1] for col in columns]
+print('Existing columns:', existing_cols)
+
+# Add new columns if they don't exist
+new_columns = [
+    ('category', 'VARCHAR(50) DEFAULT "general"'),
+    ('subject', 'VARCHAR(200)'),
+    ('contact_email', 'VARCHAR(255)'),
+    ('contact_phone', 'VARCHAR(50)'),
+    ('admin_response', 'TEXT'),
+    ('responded_at', 'DATETIME'),
+    ('responded_by', 'INTEGER'),
+    ('updated_at', 'DATETIME'),
+]
+
+for col_name, col_type in new_columns:
+    if col_name not in existing_cols:
+        try:
+            cursor.execute(f'ALTER TABLE inquiries ADD COLUMN {col_name} {col_type}')
+            print(f'Added column: {col_name}')
+        except Exception as e:
+            print(f'Error adding {col_name}: {e}')
+
+# Create inquiry_messages table if not exists
+cursor.execute('''
+CREATE TABLE IF NOT EXISTS inquiry_messages (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    inquiry_id INTEGER NOT NULL,
+    user_id INTEGER NOT NULL,
+    message TEXT NOT NULL,
+    is_admin BOOLEAN DEFAULT 0,
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (inquiry_id) REFERENCES inquiries (id),
+    FOREIGN KEY (user_id) REFERENCES users (id)
+)
+''')
+print('inquiry_messages table created/verified')
+
+conn.commit()
+conn.close()
+print('Database update complete!')