Enhance myTischtennis URL controller with improved error handling and logging

Updated MyTischtennisUrlController to include detailed error messages for missing user IDs and team configurations. Added logging for session details and automatic login attempts, improving debugging capabilities. Enhanced request logging for API calls to myTischtennis, ensuring all requests are logged, even in case of errors. Updated requestLoggingMiddleware to only log myTischtennis-related requests, streamlining log management. Improved validation checks in autoFetchMatchResultsService for team and league data integrity.

frontend/src/views/LogsView.vue

@@ -7,6 +7,15 @@
 
     <div class="filters-section">
       <div class="filter-controls">
+        <div class="filter-group">
+          <label>Backend:</label>
+          <select v-model="filters.backend" class="filter-select">
+            <option value="">Alle</option>
+            <option value="mytischtennis">myTischtennis</option>
+            <option value="own">Eigenes Backend</option>
+          </select>
+        </div>
+        
         <div class="filter-group">
           <label>Log-Typ:</label>
           <select v-model="filters.logType" class="filter-select">
@@ -202,6 +211,7 @@ export default {
     const lastLoadTime = ref(null);
     
     const filters = ref({
+      backend: '',
       logType: '',
       method: '',
       statusCode: '',
@@ -232,6 +242,18 @@ export default {
           ...filters.value
         };
 
+        // Convert backend filter to path filter
+        if (params.backend === 'mytischtennis') {
+          params.path = '/mytischtennis';
+          delete params.backend;
+        } else if (params.backend === 'own') {
+          // Exclude myTischtennis paths
+          params.path = 'NOT:/mytischtennis';
+          delete params.backend;
+        } else {
+          delete params.backend;
+        }
+
         // Remove empty filters
         Object.keys(params).forEach(key => {
           if (params[key] === '' || params[key] === null) {
@@ -266,6 +288,7 @@ export default {
 
     const clearFilters = () => {
       filters.value = {
+        backend: '',
         logType: '',
         method: '',
         statusCode: '',