优化

scripts/client-test-env-acceptance-contract.test.mjs

@@ -0,0 +1,13 @@
+import test from 'node:test'
+import assert from 'node:assert/strict'
+import { readFile } from 'node:fs/promises'
+
+const source = await readFile(new URL('./client-test-env-acceptance.mjs', import.meta.url), 'utf8')
+
+test('client registration distinguishes incomplete-registration replay from credential conflicts', () => {
+  assert.match(source, /same credentials replay the incomplete registration/)
+  assert.match(source, /\['accountId', 'tenantId', 'membershipId'\]/)
+  assert.match(source, /String\(json\.data\[field\]\), String\(registration\.json\.data\[field\]\)/)
+  assert.match(source, /duplicate username with different credentials is rejected/)
+  assert.match(source, /body: \{ \.\.\.registrationBody, password: `Different/)
+})

scripts/client-test-env-acceptance.mjs

@@ -142,8 +142,20 @@ async function registrationModule() {
   report.resources.tenantId = registration.json.data.tenantId
   report.resources.membershipId = registration.json.data.membershipId
 
-  await apiStep('registration', 'duplicate username is rejected', {
+  await apiStep('registration', 'same credentials replay the incomplete registration without creating another customer', {
     method: 'POST', path: '/api/auth/register', body: registrationBody,
+  }, ({ json }) => {
+    requireSuccess(json)
+    for (const field of ['accountId', 'tenantId', 'membershipId']) {
+      assertPresent(json.data?.[field], field)
+      assertEqual(String(json.data[field]), String(registration.json.data[field]), `replayed ${field}`)
+    }
+    assertEqual(json.data?.tenantStatus, 'PROFILE_REQUIRED', 'replayed tenantStatus')
+  })
+
+  await apiStep('registration', 'duplicate username with different credentials is rejected', {
+    method: 'POST', path: '/api/auth/register',
+    body: { ...registrationBody, password: `Different${randomUUID()}9!` },
   }, ({ json, status }) => {
     assertEqual(status, 200, 'HTTP status')
     assertEqual(String(json?.code), 'A0409', 'business code')