Rework invite creation as guided flow

backend/tests/test_backend_quality.py

@@ -1793,6 +1793,32 @@ class PortalMediaStatusTests(unittest.IsolatedAsyncioTestCase):
 
 
 class InviteOperationalStateTests(TempDatabaseMixin, unittest.IsolatedAsyncioTestCase):
+    async def test_manual_invite_can_be_created_without_recipient_email(self) -> None:
+        payload = await admin_router.create_invite(
+            {
+                "label": "The neighbour",
+                "recipient_email": None,
+                "send_email": False,
+                "max_uses": 1,
+            },
+            {"username": "admin", "role": "admin"},
+        )
+
+        self.assertEqual(payload["status"], "ok")
+        self.assertEqual(payload["invite"]["label"], "The neighbour")
+        self.assertIsNone(payload["invite"]["recipient_email"])
+        self.assertTrue(payload["invite"]["enabled"])
+
+    async def test_email_delivery_still_requires_valid_recipient(self) -> None:
+        with self.assertRaises(HTTPException) as context:
+            await admin_router.create_invite(
+                {"label": "Family", "send_email": True},
+                {"username": "admin", "role": "admin"},
+            )
+
+        self.assertEqual(context.exception.status_code, 400)
+        self.assertIn("required for email delivery", str(context.exception.detail))
+
     async def test_invite_list_reports_automatic_operational_states(self) -> None:
         ready = db.create_signup_invite(code="READY", recipient_email="ready@example.com")
         db.create_signup_invite(code="DISABLED", enabled=False, recipient_email="off@example.com")