feat: Admin Area General Settings and Categories 1.06

tests/backend/admin-general-service.spec.ts

@@ -141,7 +141,7 @@ describe('GeneralSettingsSchema - validation rules', () => {
     expect(r.success).toBe(false);
   });
 
-  it('accepts empty strings (unconfigured event window) for both datetime fields', () => {
+  it('rejects empty strings for event datetime fields with per-field messages (Job 888)', () => {
     const r = GeneralSettingsSchema.safeParse({
       pageTitle: 'T',
       logo: '',
@@ -152,7 +152,12 @@ describe('GeneralSettingsSchema - validation rules', () => {
       defaultChallengeIp: '127.0.0.1',
       registrationsEnabled: false,
     });
-    expect(r.success).toBe(true);
+    expect(r.success).toBe(false);
+    if (r.success) return;
+    const startIssue = r.error.issues.find((i) => i.path.join('.') === 'eventStartUtc');
+    const endIssue = r.error.issues.find((i) => i.path.join('.') === 'eventEndUtc');
+    expect(startIssue?.message).toBe('eventStartUtc must be a valid ISO-8601 datetime');
+    expect(endIssue?.message).toBe('eventEndUtc must be a valid ISO-8601 datetime');
   });
 });