{"message":"Welcome to BelajarGolang API","version":"1.0.0","endpoints":["GET    /              - API information","GET    /health        - Health check","GET    /categories    - Get all categories","POST   /categories    - Create a category","GET    /categories/{id} - Get a category by ID","GET    /categories?name={name} - Search categories by name","PUT    /categories/{id} - Update a category","DELETE /categories/{id} - Delete a category","GET    /products      - Get all products","POST   /products      - Create a product","GET    /products/{id} - Get a product by ID","GET    /products?name={name} - Search products by name","GET    /products?category_id={id} - Get products by category","PUT    /products/{id} - Update a product","DELETE /products/{id} - Delete a product","POST   /transactions/checkout - Create a new transaction (checkout)","GET    /transactions    - Get all transactions","GET    /transactions/{id} - Get a transaction by ID","GET    /api/report/hari-ini - Get today's sales report","GET    /api/report?start_date=YYYY-MM-DD\u0026end_date=YYYY-MM-DD - Get period report"]}