feat(clickTtTournamentRegistrationService): enhance error handling and diagnostics for tournament registration

- Added detailed diagnostics to capture page content and URLs during registration failures, improving error reporting.
- Implemented a function to build a debug HTML path for saving page content, aiding in troubleshooting.
- Updated error handling to include relevant diagnostic information in error messages, enhancing clarity for users.

frontend/src/views/OfficialTournaments.vue

@@ -885,6 +885,9 @@ export default {
         const response = await apiClient.post(
           `/official-tournaments/${this.currentClub}/${this.uploadedId}/auto-register`
         );
+        if (!response?.data?.success) {
+          throw new Error(response?.data?.error || 'Die automatische click-TT-Anmeldung ist fehlgeschlagen.');
+        }
         await this.reload();
         await this.showInfo(
           'Erfolg',
@@ -1567,4 +1570,3 @@ th, td { border-bottom: 1px solid var(--border-color); padding: 0.5rem; text-ali
   }
 }
 </style>
-