diff --git a/.husky/pre-commit b/.husky/pre-commit
index d24fdfc..2312dc5 100644
--- a/.husky/pre-commit
+++ b/.husky/pre-commit
@@ -1,4 +1 @@
-#!/usr/bin/env sh
-. "$(dirname -- "$0")/_/husky.sh"
-
 npx lint-staged
diff --git a/.husky/pre-push b/.husky/pre-push
index d8fe6f1..42c7238 100644
--- a/.husky/pre-push
+++ b/.husky/pre-push
@@ -1,4 +1 @@
-#!/usr/bin/env sh
-. "$(dirname -- "$0")/_/husky.sh"
-
 npm run test:run
diff --git a/tests/api/auth/register.test.ts b/tests/api/auth/register.test.ts
index 85e638a..dc47baf 100644
--- a/tests/api/auth/register.test.ts
+++ b/tests/api/auth/register.test.ts
@@ -7,8 +7,8 @@ vi.mock("@/src/lib/supabase/server", () => ({
 
 vi.mock("@/src/lib/prisma", () => ({
   prisma: {
-    manager: { findUnique: vi.fn() },
-    user: { findUnique: vi.fn(), create: vi.fn() },
+    manager: { findFirst: vi.fn() },
+    user: { findFirst: vi.fn(), create: vi.fn() },
   },
 }));
 
@@ -20,8 +20,8 @@ const mockSupabase = { auth: { signUp: mockSignUp } };
 
 beforeEach(() => {
   vi.mocked(createClient).mockResolvedValue(mockSupabase as never);
-  vi.mocked(prisma.manager.findUnique).mockReset();
-  vi.mocked(prisma.user.findUnique).mockReset();
+  vi.mocked(prisma.manager.findFirst).mockReset();
+  vi.mocked(prisma.user.findFirst).mockReset();
   vi.mocked(prisma.user.create).mockReset();
   mockSignUp.mockReset();
 });
@@ -53,7 +53,7 @@ describe("POST /api/auth/register", () => {
   });
 
   it("gibt 409 zurück wenn E-Mail bereits als Manager existiert", async () => {
-    vi.mocked(prisma.manager.findUnique).mockResolvedValue({
+    vi.mocked(prisma.manager.findFirst).mockResolvedValue({
       id: "m-1",
       email: validBody.email,
     } as never);
@@ -65,8 +65,8 @@ describe("POST /api/auth/register", () => {
   });
 
   it("gibt 409 zurück wenn User bereits existiert", async () => {
-    vi.mocked(prisma.manager.findUnique).mockResolvedValue(null);
-    vi.mocked(prisma.user.findUnique).mockResolvedValue({
+    vi.mocked(prisma.manager.findFirst).mockResolvedValue(null);
+    vi.mocked(prisma.user.findFirst).mockResolvedValue({
       id: "u-1",
       email: validBody.email,
     } as never);
@@ -78,8 +78,8 @@ describe("POST /api/auth/register", () => {
   });
 
   it("gibt 400 zurück bei Supabase-Auth-Fehler", async () => {
-    vi.mocked(prisma.manager.findUnique).mockResolvedValue(null);
-    vi.mocked(prisma.user.findUnique).mockResolvedValue(null);
+    vi.mocked(prisma.manager.findFirst).mockResolvedValue(null);
+    vi.mocked(prisma.user.findFirst).mockResolvedValue(null);
     mockSignUp.mockResolvedValue({
       data: { user: null },
       error: { message: "Email rate limit exceeded" },
@@ -93,8 +93,8 @@ describe("POST /api/auth/register", () => {
     const fakeUser = { id: "new-1" };
     const createdUser = { id: "new-1", email: validBody.email, name: validBody.name };
 
-    vi.mocked(prisma.manager.findUnique).mockResolvedValue(null);
-    vi.mocked(prisma.user.findUnique).mockResolvedValue(null);
+    vi.mocked(prisma.manager.findFirst).mockResolvedValue(null);
+    vi.mocked(prisma.user.findFirst).mockResolvedValue(null);
     mockSignUp.mockResolvedValue({ data: { user: fakeUser }, error: null });
     vi.mocked(prisma.user.create).mockResolvedValue(createdUser as never);
 
diff --git a/tests/msw/handlers.ts b/tests/msw/handlers.ts
index 0d94207..85ce3e3 100644
--- a/tests/msw/handlers.ts
+++ b/tests/msw/handlers.ts
@@ -1,6 +1,22 @@
 import { http, HttpResponse } from "msw";
 
 export const handlers = [
+  // Adressverifikation (verifyAddressExists) ruft Nominatim per echtem fetch auf.
+  // Standard-Handler liefert immer einen Treffer, damit Tests, die sich nicht
+  // gezielt mit Adressvalidierung befassen, nicht daran scheitern.
+  http.get("https://nominatim.openstreetmap.org/search", () => {
+    return HttpResponse.json([
+      {
+        address: {
+          road: "Musterstraße",
+          house_number: "1",
+          postcode: "10115",
+          city: "Berlin",
+        },
+      },
+    ]);
+  }),
+
   http.post("http://localhost/api/auth/login", async ({ request }) => {
     const body = (await request.json()) as Record<string, unknown>;