feat(portal): 의뢰 상태 머신(TDD) + 의뢰/견적 메일

lib/__tests__/request-status.test.ts

@@ -0,0 +1,24 @@
+import { describe, it, expect } from 'vitest';
+import { REQUEST_STATUS, TIMELINE_STEPS, timelineIndex, isRequestStatus } from '@/lib/request-status';
+
+describe('request-status', () => {
+  it('8개 상태 라벨 정의', () => {
+    expect(Object.keys(REQUEST_STATUS)).toHaveLength(8);
+    expect(REQUEST_STATUS.quoted.label).toBe('견적 발송');
+  });
+  it('타임라인은 정주행 6단계', () => {
+    expect(TIMELINE_STEPS).toEqual(['pending','reviewing','quoted','accepted','in_progress','completed']);
+  });
+  it('timelineIndex — 정주행 상태는 해당 인덱스', () => {
+    expect(timelineIndex('pending')).toBe(0);
+    expect(timelineIndex('completed')).toBe(5);
+  });
+  it('timelineIndex — on_hold는 quoted 위치(2), cancelled는 -1', () => {
+    expect(timelineIndex('on_hold')).toBe(2);
+    expect(timelineIndex('cancelled')).toBe(-1);
+  });
+  it('isRequestStatus 가드', () => {
+    expect(isRequestStatus('quoted')).toBe(true);
+    expect(isRequestStatus('nope')).toBe(false);
+  });
+});