test(unit): add lightweight vitest coverage for auth duration and seq pagination utils

Fabric.Backend.Center/src/auth/token.util.spec.ts

@@ -0,0 +1,14 @@
+import { describe, expect, it } from 'vitest';
+import { parseDurationToSeconds } from './token.util';
+
+describe('parseDurationToSeconds', () => {
+  it('parses time units', () => {
+    expect(parseDurationToSeconds('15m', 1)).toBe(900);
+    expect(parseDurationToSeconds('2h', 1)).toBe(7200);
+    expect(parseDurationToSeconds('10', 1)).toBe(10);
+  });
+
+  it('falls back on invalid input', () => {
+    expect(parseDurationToSeconds('abc', 42)).toBe(42);
+  });
+});