{
  "context": "Tests whether the agent proactively applies SQLite best practices when building a financial tracking tool. Key areas: money stored as integer cents (not float), WAL mode, connection settings, context-aware queries. The task explicitly says amounts are in cents but the agent must still apply all SQLite connection best practices without being told.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "modernc.org/sqlite driver",
      "description": "Uses modernc.org/sqlite (pure Go) rather than mattn/go-sqlite3",
      "max_score": 7
    },
    {
      "name": "WAL mode enabled",
      "description": "WAL journal mode is set via connection string pragma or PRAGMA statement",
      "max_score": 10
    },
    {
      "name": "foreign_keys enabled via DSN",
      "description": "Foreign key enforcement is enabled via connection string pragma",
      "max_score": 8
    },
    {
      "name": "busy_timeout set",
      "description": "busy_timeout pragma is configured",
      "max_score": 7
    },
    {
      "name": "SetMaxOpenConns(1)",
      "description": "db.SetMaxOpenConns(1) is called to serialize SQLite access",
      "max_score": 12
    },
    {
      "name": "Money stored as integer cents",
      "description": "Monetary amounts are stored as INTEGER cents in the database (amount_cents INTEGER), not as REAL or floating-point",
      "max_score": 10
    },
    {
      "name": "Context-aware queries",
      "description": "Uses QueryContext, ExecContext, QueryRowContext, BeginTx with context.Context parameters",
      "max_score": 10
    },
    {
      "name": "defer rows.Close()",
      "description": "Every QueryContext call is followed by defer rows.Close()",
      "max_score": 7
    },
    {
      "name": "rows.Err() checked",
      "description": "rows.Err() is checked after iterating over query results",
      "max_score": 5
    },
    {
      "name": "Parameterized queries",
      "description": "All queries use ? placeholders -- no string interpolation",
      "max_score": 10
    },
    {
      "name": "CHECK constraint on category",
      "description": "The expenses table includes a CHECK constraint limiting category to the valid set (food, transport, utilities, entertainment, other)",
      "max_score": 5
    },
    {
      "name": "Migration pattern",
      "description": "Schema setup uses a migration pattern with version tracking, not bare CREATE TABLE calls",
      "max_score": 5
    },
    {
      "name": "Dates stored as TEXT",
      "description": "Date columns use TEXT type with ISO 8601 format, leveraging SQLite's date functions",
      "max_score": 4
    }
  ]
}