V13-FE-011: finalize search list layout slice

docs/Design/kbx-foundation-v36/tests/unit/kbx-lookup.contract.spec.ts

@@ -0,0 +1,25 @@
+import { describe, expect, it } from 'vitest'
+import type { KbxLookupProvider } from '@kbx/contracts'
+
+const provider: KbxLookupProvider<string> = {
+  async search(request) {
+    return { items: [{ id: '1', code: '10001', displayName: '대한상사' }], totalCount: 1 }
+  },
+  async resolveById(id) {
+    return id === '1' ? { id: '1', code: '10001', displayName: '대한상사' } : null
+  },
+  async resolveByCode(code) {
+    return code === '10001' ? { id: '1', code: '10001', displayName: '대한상사' } : null
+  },
+}
+
+describe('KbxLookup provider contract', () => {
+  it('never invents an entity: unknown code resolves null', async () => {
+    expect(await provider.resolveByCode('UNKNOWN')).toBeNull()
+  })
+
+  it('search returns stable domain id + code + displayName', async () => {
+    const result = await provider.search({ query: '대한', page: 1, pageSize: 30 })
+    expect(result.items[0]).toEqual(expect.objectContaining({ id: '1', code: '10001', displayName: '대한상사' }))
+  })
+})