비밀번호 재설정 중복 완료 요청 문제 수정

backend/internal/handler/auth_handler_link_test.go

@@ -16,13 +16,29 @@ import (
 )
 
 // Mock services
-type mockEmailService struct{}
+type mockEmailService struct {
+	lastTo      string
+	lastSubject string
+	lastBody    string
+}
 
-func (m *mockEmailService) SendEmail(to, subject, body string) error { return nil }
+func (m *mockEmailService) SendEmail(to, subject, body string) error {
+	m.lastTo = to
+	m.lastSubject = subject
+	m.lastBody = body
+	return nil
+}
 
-type mockSmsService struct{}
+type mockSmsService struct {
+	lastTo      string
+	lastContent string
+}
 
-func (m *mockSmsService) SendSms(to, content string) error { return nil }
+func (m *mockSmsService) SendSms(to, content string) error {
+	m.lastTo = to
+	m.lastContent = content
+	return nil
+}
 
 func newHeadlessLinkTestApp(h *AuthHandler) *fiber.App {
 	app := fiber.New()