 {
                        return;
                    }
                    // Basic URL validation
                    if (!this.urlInput.startsWith('http://') && !this.urlInput.startsWith('https://')) {
                         this.errorMessage = 'Please enter a valid URL starting with http:// or https://';
                         return;
                    }


                    this.isLoading = true;
                    this.errorMessage = '';
                    this.summaryContent = ''; // Clear 