fix: support soft-delete user uniqueness in tools

tools/smoke/real-env-smoke.mjs

@@ -25,29 +25,35 @@ async function ensureSmokeData() {
     create: { code: tenantCode, name: 'Smoke Test Enterprise', status: 'active' },
   });
 
-  const user = await prisma.user.upsert({
-    where: { username },
-    update: {
-      tenantId: tenant.id,
-      email,
-      phone,
-      displayName: 'Smoke Client Admin',
-      passwordHash: hashPassword(password),
-      status: 'active',
-      failedLoginCount: 0,
-      lockedUntil: null,
-      deletedAt: null,
-    },
-    create: {
-      tenantId: tenant.id,
-      username,
-      email,
-      phone,
-      displayName: 'Smoke Client Admin',
-      passwordHash: hashPassword(password),
-      status: 'active',
-    },
+  const existingUser = await prisma.user.findFirst({
+    where: { username, deletedAt: null },
   });
+  const user = existingUser
+    ? await prisma.user.update({
+      where: { id: existingUser.id },
+      data: {
+        tenantId: tenant.id,
+        email,
+        phone,
+        displayName: 'Smoke Client Admin',
+        passwordHash: hashPassword(password),
+        status: 'active',
+        failedLoginCount: 0,
+        lockedUntil: null,
+        deletedAt: null,
+      },
+    })
+    : await prisma.user.create({
+      data: {
+        tenantId: tenant.id,
+        username,
+        email,
+        phone,
+        displayName: 'Smoke Client Admin',
+        passwordHash: hashPassword(password),
+        status: 'active',
+      },
+    });
 
   const enterpriseAdminRole = await prisma.role.upsert({
     where: { code: 'enterprise_admin' },