Migrate Cypress E2E from cy.intercept to MSW service worker

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

cypress/e2e/pasteUrlLoginRedirect.cy.js

@@ -20,7 +20,6 @@ describe("Paste URL login redirect", () => {
     cy.get("#account").type("testadmin");
     cy.get("#password").type("password123");
     cy.get("form").submit();
-    cy.wait("@postToken");
 
     // After login, the app should attempt to redirect to the return-to URL.
     // Since window.location.href is used (not router.push), we verify the
@@ -35,18 +34,25 @@ describe("Paste URL login redirect", () => {
     cy.get("#account").type("testadmin");
     cy.get("#password").type("password123");
     cy.get("form").submit();
-    cy.wait("@postToken");
 
     cy.url().should("include", "/files");
   });
 
   it("Unauthenticated user cannot access inner pages", () => {
-    setupApiIntercepts();
-    // Override my-account to return 401 (simulate logged-out state)
-    cy.intercept("GET", "/api/my-account", {
-      statusCode: 401,
-      body: { detail: "Not authenticated" },
-    }).as("getMyAccountUnauth");
+    // Visit login first to load the app + MSW
+    cy.visit("/login");
+    cy.get("#login_btn_main_btn").should("exist");
+    // Override my-account to return 401 (simulate logged-out state) via MSW
+    cy.window().then((win) => {
+      const { http, HttpResponse } = win.__msw__;
+      win.__mswWorker__.use(
+        http.get("/api/my-account", () =>
+          HttpResponse.json(
+            { detail: "Not authenticated" },
+            { status: 401 },
+          )),
+      );
+    });
 
     cy.visit("/files");