chore(deps)(deps): bump vitest from 3.1.3 to 4.1.5

packages/cli/src/__tests__/database-url.test.ts

@@ -49,6 +49,10 @@ function noProject() {
 }
 
 beforeEach(() => {
+  // vitest 4's restoreAllMocks only restores vi.spyOn spies; it no longer
+  // clears the call history of vi.fn() mocks. Clear them explicitly so call
+  // counts don't bleed between tests.
+  vi.clearAllMocks()
   originalEnv = process.env.DATABASE_URL
   originalCi = process.env.CI
   originalIsTty = process.stdin.isTTY

packages/cli/src/__tests__/installer.test.ts

@@ -5,11 +5,16 @@ const mockQuery = vi.fn()
 const mockEnd = vi.fn()
 
 vi.mock('pg', () => {
-  const Client = vi.fn(() => ({
-    connect: mockConnect,
-    query: mockQuery,
-    end: mockEnd,
-  }))
+  // vitest 4 invokes a mock's implementation as a real constructor when the
+  // mock is called with `new`. An arrow function cannot be a constructor, so
+  // the implementation must be a regular function.
+  const Client = vi.fn(function Client() {
+    return {
+      connect: mockConnect,
+      query: mockQuery,
+      end: mockEnd,
+    }
+  })
   return { default: { Client } }
 })