const engine = new PolicyEngine(config);

const decision = engine.evaluate({
  server: 'postgres',
  tool: 'query',
  args: { sql: 'SELECT * FROM users' },
  timestamp: new Date(),
});

if (decision.action === 'prompt') {
  // Ask user for approval
}

new PolicyEngine(config): PolicyEngine;

evaluate(context): PolicyDecision;

getConfig(): TollgateConfig;