{
  "context": "Tests whether the agent proactively applies SQLite best practices when building a coffee shop API. The task describes only business requirements -- it never mentions WAL mode, pragmas, foreign key indexing, transactions, STRICT tables, or graceful shutdown. These should all be applied automatically.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "WAL mode enabled",
      "description": "db.ts sets PRAGMA journal_mode = WAL on the database connection",
      "max_score": 10
    },
    {
      "name": "Foreign keys ON",
      "description": "db.ts sets PRAGMA foreign_keys = ON on the database connection",
      "max_score": 10
    },
    {
      "name": "Busy timeout set",
      "description": "db.ts sets PRAGMA busy_timeout to a positive value (e.g. 5000)",
      "max_score": 7
    },
    {
      "name": "synchronous = NORMAL",
      "description": "db.ts sets PRAGMA synchronous = NORMAL",
      "max_score": 5
    },
    {
      "name": "Graceful shutdown with db.close()",
      "description": "Application calls db.close() on SIGTERM or SIGINT for clean WAL checkpoint",
      "max_score": 8
    },
    {
      "name": "Transaction for order creation",
      "description": "Creating an order with its items uses db.transaction() so the order and all items are committed atomically",
      "max_score": 12
    },
    {
      "name": "Prepared statements throughout",
      "description": "ALL queries use db.prepare() with ? placeholders — no string interpolation or template literal injection of values into SQL",
      "max_score": 10
    },
    {
      "name": "Indexes on foreign key columns",
      "description": "Schema creates explicit indexes on order_items.order_id and order_items.menu_item_id (SQLite does not auto-index FKs)",
      "max_score": 10
    },
    {
      "name": "Migration pattern used",
      "description": "Schema uses a sequential migration pattern with a tracking table, not scattered CREATE TABLE IF NOT EXISTS",
      "max_score": 7
    },
    {
      "name": "Money stored as INTEGER cents",
      "description": "Prices and totals are stored as INTEGER (cents), not REAL or FLOAT",
      "max_score": 7
    },
    {
      "name": "CHECK constraint on order status",
      "description": "Order status column uses a CHECK constraint to validate allowed values",
      "max_score": 5
    },
    {
      "name": "STRICT tables",
      "description": "Tables are created with the STRICT keyword for type enforcement",
      "max_score": 5
    },
    {
      "name": "JSON for customizations",
      "description": "Customizations are stored as TEXT/JSON and queried with json_extract or json functions where appropriate",
      "max_score": 4
    }
  ]
}