completed story 1.1 with QA tests and fixes

tests/Unit/Enums/TimelineStatusTest.php

@@ -0,0 +1,15 @@
+<?php
+
+use App\Enums\TimelineStatus;
+
+test('timeline status has correct cases', function () {
+    expect(TimelineStatus::cases())->toHaveCount(2);
+});
+
+test('timeline status active has correct value', function () {
+    expect(TimelineStatus::Active->value)->toBe('active');
+});
+
+test('timeline status archived has correct value', function () {
+    expect(TimelineStatus::Archived->value)->toBe('archived');
+});