fix: preserve invitations for admins with a family

src/app/dashboard/families/actions.ts

@@ -466,7 +466,7 @@ export async function resendFamilyInvitationAction(
   if (!(await rateLimit(`resend-invite:${session.user.kitaId}:${userId}`, 3, 3600)).allowed)
     return { error: "Bitte versuche es später erneut." };
   const recipient = await prisma.user.findFirst({
-    where: { id: userId, kitaId: session.user.kitaId, role: UserRole.ELTERN,
+    where: { id: userId, kitaId: session.user.kitaId, familyId: { not: null },
       emailVerifiedAt: null, passwordHash: "", disabledAt: null },
     select: { email: true },
   });

src/lib/family-invitations.ts

@@ -15,7 +15,7 @@ export async function queueFamilyInvitation(
   invitedById: string,
 ) {
   const user = await tx.user.findUniqueOrThrow({ where: { id: userId } });
-  if (!user.kitaId || !user.familyId || user.role !== "ELTERN" || user.emailVerifiedAt || user.passwordHash || user.disabledAt)
+  if (!user.kitaId || !user.familyId || user.emailVerifiedAt || user.passwordHash || user.disabledAt)
     throw new Error("Dieses Konto benötigt keine Familieneinladung.");
   const existing = await tx.invitation.findFirst({
     where: {
@@ -99,7 +99,6 @@ export async function deliverFamilyInvitations(
         user.emailVerifiedAt ||
         user.disabledAt ||
         user.passwordHash !== "" ||
-        user.role !== "ELTERN" ||
         !token ||
         token.identifier !== user.id ||
         token.expires <= now
@@ -170,7 +169,7 @@ export async function resendFamilyInvitation(
       where: { id: userId, kitaId, familyId: { not: null } },
     });
     if (!user) return { error: "Elternkonto wurde nicht gefunden." };
-    if (user.emailVerifiedAt || user.passwordHash || user.disabledAt || user.role !== "ELTERN")
+    if (user.emailVerifiedAt || user.passwordHash || user.disabledAt)
       return { error: "Keine offene Einladung gefunden." };
     if (expectedEmail && user.email !== expectedEmail)
       return { error: "Die Einladung hat sich geändert. Bitte lade die Seite neu." };

tests/security.test.cjs

@@ -315,6 +315,33 @@ test('changing a parent email revokes sessions and requires fresh mailbox activa
   assert.equal((await accept({ attempt: 0 }, form(renewedInvite))).errors,undefined);
   assert.ok((await prisma.user.findUnique({ where: { id: parentA.id } })).emailVerifiedAt);
 });
+test('family admins keep their role when a changed mailbox is invited and activated', async () => {
+  const family = await prisma.family.create({ data: { kitaId: kitaA.id, name: 'Admin family' } });
+  const child = await prisma.child.create({ data: { kitaId: kitaA.id, familyId: family.id, firstName: 'Admin', lastName: 'Child' } });
+  const user = await prisma.user.create({ data: { email: `family-admin.${prefix}@example.invalid`, firstName: 'Family', lastName: 'Admin',
+    role: 'ADMIN', kitaId: kitaA.id, familyId: family.id, passwordHash: passHash,
+    emailVerifiedAt: new Date(), privacyPolicyAcceptedAt: new Date() } });
+  try {
+    const load = loader({ '@/auth': { auth: async () => session(adminA), signIn: async () => {} }, '@/lib/mail': emailMock });
+    const actions = load('src/app/dashboard/families/actions.ts');
+    const updated = await actions.updateFamilyAction({ familyId: family.id, familyName: 'Family A',
+      parents: [{ id: user.id, firstName: 'Family', lastName: 'Admin', email: `changed-family-admin.${prefix}@example.invalid` }],
+      children: [{ id: child.id, firstName: 'A', lastName: 'Test' }] });
+    assert.equal(updated.success,true,updated.error); assert.equal(updated.warning,undefined);
+    assert.equal((await prisma.user.findUnique({ where: { id: user.id } })).role,'ADMIN');
+    await prisma.invitation.update({ where: { userId: user.id }, data: { sentAt: new Date(Date.now() - 61_000) } });
+    assert.equal((await actions.resendParentInvite(user.id)).success,true);
+    const token = emails.at(-1).react.props.inviteLink.split('/').at(-1);
+    const accepted = await load('src/app/invite/[token]/actions.ts').acceptInviteAction({ attempt: 0 }, fields({ token,
+      password: 'Family-admin-new-password', confirmPassword: 'Family-admin-new-password', acceptPrivacyPolicy: 'on' }));
+    assert.equal(accepted.errors,undefined);
+    const activated = await prisma.user.findUnique({ where: { id: user.id } });
+    assert.equal(activated.role,'ADMIN'); assert.ok(activated.emailVerifiedAt);
+  } finally {
+    await prisma.verificationToken.deleteMany({ where: { identifier: user.id } });
+    await prisma.family.delete({ where: { id: family.id } });
+  }
+});
 test('resending an invite cannot issue an active link to an obsolete mailbox', async () => {
   const user = await prisma.user.create({ data: { email: `resend-race.${prefix}@example.invalid`, firstName: 'Race', lastName: 'Test',
     role: 'ELTERN', kitaId: kitaA.id, familyId: familyA.id, passwordHash: '' } });