feat: productionize paid modes and PvP capture

test/databaseHealth.test.js

@@ -0,0 +1,15 @@
+const DatabaseManager = require('../src/db/databaseManager');
+
+describe('DatabaseManager readiness freshness', () => {
+    test('requires both a connection and a recent successful query', () => {
+        const db = new DatabaseManager();
+        expect(db.isHealthy()).toBe(false);
+
+        db.connected = true;
+        db.lastSuccessfulQueryAt = Date.now();
+        expect(db.isHealthy(1000)).toBe(true);
+
+        db.lastSuccessfulQueryAt = Date.now() - 2000;
+        expect(db.isHealthy(1000)).toBe(false);
+    });
+});