added security and fix edit profile

src/components/profile/ProfileFormFields.jsx

@@ -60,6 +60,19 @@ function ImageUpload({
   );
 }
 
+// ─── Login field ─────────────────────────────────────────────────────────────
+function LoginField({ form, errors, onChange }) {
+  return (
+    <InputField
+      label="Логин"
+      placeholder="username"
+      value={form.login}
+      error={errors.login}
+      onChange={(e) => onChange("login", e.target.value)}
+    />
+  );
+}
+
 // ─── Name fields row ─────────────────────────────────────────────────────────
 function NameFieldsRow({ form, errors, onChange }) {
   return (
@@ -134,4 +147,4 @@ function ModalHeader({ onClose }) {
   );
 }
 
-export { InputField, ImageUpload, NameFieldsRow, ContactFields, SubmitButton, ModalHeader };
+export { InputField, ImageUpload, LoginField, NameFieldsRow, ContactFields, SubmitButton, ModalHeader };