fixing linting and tests errors

components/EmailResponder.tsx

@@ -74,7 +74,7 @@ export const EmailResponder: React.FC<EmailResponderProps> = ({
                 setToastType('error');
                 setShowToast(true);
             }
-        } catch (error) {
+        } catch {
             setToastMessage('❌ Fehler beim Senden der E-Mail');
             setToastType('error');
             setShowToast(true);
@@ -144,7 +144,7 @@ export const EmailResponder: React.FC<EmailResponderProps> = ({
                                                 ? 'border-blue-500 bg-blue-50 shadow-lg scale-105'
                                                 : 'border-gray-200 hover:border-gray-300 hover:shadow-md'
                                         }`}
-                                        onClick={() => setSelectedTemplate(key as any)}
+                                        onClick={() => setSelectedTemplate(key as keyof typeof templates)}
                                     >
                                         <div className={`bg-gradient-to-r ${template.color} text-white p-4 rounded-t-xl`}>
                                             <div className="text-center">