diff --git a/src/components/AIQueryInterface.astro b/src/components/AIQueryInterface.astro
index 2b60021..97b3835 100644
--- a/src/components/AIQueryInterface.astro
+++ b/src/components/AIQueryInterface.astro
@@ -451,7 +451,6 @@ class AIQueryInterface {
 
     this.elements.dismissSuggestions?.addEventListener('click', () => this.hideSmartPrompting());
     
-    // CRITICAL: Setup upload for previous analysis (always available)
     this.setupPreviousAnalysisUpload();
     
     console.log('[AI Interface] Event listeners setup complete');
@@ -951,7 +950,6 @@ class AIQueryInterface {
     console.log('[AI Interface] Rendering comprehensive audit trail with', rawAuditTrail.length, 'entries');
     
     try {
-      // Calculate audit statistics
       const stats = this.calculateAuditStats(rawAuditTrail);
       
       container.innerHTML = `
@@ -1060,7 +1058,6 @@ class AIQueryInterface {
   }
 
   setupUnifiedUploadSystem() {
-    // Setup the always-available upload (previous analysis)
     const previousUploadInput = document.getElementById('upload-previous-analysis');
     if (previousUploadInput) {
       previousUploadInput.addEventListener('change', (event) => {
@@ -1069,12 +1066,11 @@ class AIQueryInterface {
         if (file) {
           this.handlePreviousAnalysisUpload(file);
         }
-        event.target.value = ''; // Reset for reuse
+        event.target.value = '';
       });
       console.log('[AI Interface] Previous analysis upload setup complete');
     }
 
-    // Setup download buttons automatically when they appear
     const setupDownloadBtn = () => {
       const downloadBtn = document.getElementById('download-results-btn');
       if (downloadBtn && !downloadBtn.hasAttribute('data-setup')) {
@@ -1084,10 +1080,8 @@ class AIQueryInterface {
       }
     };
 
-    // Try to setup immediately (if already present)
     setupDownloadBtn();
 
-    // Watch for dynamically added download buttons
     const observer = new MutationObserver(() => {
       setupDownloadBtn();
     });
@@ -1097,7 +1091,6 @@ class AIQueryInterface {
       subtree: true 
     });
 
-    // Store observer for cleanup
     this.uploadObserver = observer;
 
     console.log('[AI Interface] Unified upload system setup complete');
@@ -1148,7 +1141,6 @@ class AIQueryInterface {
   }
 
   renderPhaseGroups(auditTrail, stats) {
-    // Group audit entries by phase
     const phaseGroups = new Map();
     
     auditTrail.forEach(entry => {
@@ -1156,7 +1148,6 @@ class AIQueryInterface {
       if (!phaseGroups.has(phase)) {
         phaseGroups.set(phase, []);
       }
-      // FIXED: Remove non-null assertion, use proper null checking
       const phaseEntries = phaseGroups.get(phase);
       if (phaseEntries) {
         phaseEntries.push(entry);
@@ -1221,12 +1212,10 @@ class AIQueryInterface {
   renderEntryDetails(entry) {
     const details = [];
     
-    // AI-specific details
     if (entry.action === 'ai-decision' && entry.metadata?.reasoning) {
       details.push(`<div class="detail-item"><strong>Begründung:</strong> ${truncateText(entry.metadata.reasoning, 200)}</div>`);
     }
     
-    // Tool selection details
     if (entry.action === 'selection-decision') {
       if (entry.metadata?.selectedToolsCount && entry.metadata?.availableToolsCount) {
         details.push(`<div class="detail-item"><strong>Auswahl:</strong> ${entry.metadata.selectedToolsCount} von ${entry.metadata.availableToolsCount} Tools</div>`);
@@ -1236,12 +1225,10 @@ class AIQueryInterface {
       }
     }
     
-    // Embeddings details
     if (entry.metadata?.embeddingsUsed && entry.metadata?.totalMatches) {
       details.push(`<div class="detail-item"><strong>Semantische Treffer:</strong> ${entry.metadata.totalMatches}</div>`);
     }
     
-    // Confidence factors
     if (entry.metadata?.confidenceFactors?.length > 0) {
       const factors = entry.metadata.confidenceFactors.slice(0, 2).join(', ');
       details.push(`<div class="detail-item"><strong>Faktoren:</strong> ${factors}</div>`);
@@ -1332,12 +1319,10 @@ class AIQueryInterface {
     
     const inputValue = this.elements.input ? this.elements.input.value : '';
     
-    // Extract real data from the current recommendation and stored response
     const processingStats = this.currentRecommendation.processingStats || {};
     const aiModel = processingStats.aiModel || 'unknown';
     const toolsDataHash = processingStats.toolsDataHash || 'unknown';
     
-    // Get real AI parameters from the processing stats
     const aiParameters = {
       maxTokens: processingStats.maxTokensUsed || 0,
       temperature: processingStats.temperature || 0.3,
@@ -1347,7 +1332,6 @@ class AIQueryInterface {
       embeddingsUsed: processingStats.embeddingsUsed || false
     };
     
-    // Extract real context data from the recommendation
     const rawContext = {
       selectedTools: this.currentRecommendation.recommended_tools?.map(tool => ({
         name: tool.name,
@@ -1423,23 +1407,18 @@ class AIQueryInterface {
     try {
       console.log('[AI Interface] Displaying uploaded results');
       
-      // Show upload banner
       this.showUploadedBanner(data.metadata);
       
-      // Restore interface state
       this.currentRecommendation = data.recommendation;
       
-      // Display the uploaded analysis
       this.showResults();
       
-      // Update the recommendation display based on mode
       if (data.metadata.mode === 'workflow') {
         this.displayWorkflowResults(data.recommendation, data.metadata.userQuery);
       } else {
         this.displayToolResults(data.recommendation, data.metadata.userQuery);
       }
       
-      // Render the uploaded audit trail
       setTimeout(() => {
         try {
           this.renderAuditTrail(data.auditTrail);
@@ -1487,7 +1466,6 @@ class AIQueryInterface {
         if (file) {
           this.handlePreviousAnalysisUpload(file);
         }
-        // Reset the input so the same file can be uploaded again
         event.target.value = '';
       });
       
@@ -1501,7 +1479,6 @@ class AIQueryInterface {
     console.log('[AI Interface] Handling previous analysis upload:', file.name);
     
     try {
-      // Security validation
       if (file.size > 10 * 1024 * 1024) {
         throw new Error('Datei zu groß (max 10MB)');
       }
@@ -1525,20 +1502,16 @@ class AIQueryInterface {
       
       console.log('[AI Interface] Valid previous analysis file uploaded');
       
-      // Hide any existing results or errors
       this.hideResults();
       this.hideError();
       this.hideLoading();
       
-      // Display the uploaded analysis
       this.displayUploadedResults(data);
       
-      // Update mode if different
       if (data.metadata.mode && data.metadata.mode !== this.currentMode) {
         this.setMode(data.metadata.mode);
       }
       
-      // Optionally restore the query in the input field
       if (data.metadata.userQuery && this.elements.input) {
         this.elements.input.value = data.metadata.userQuery;
         this.updateCharacterCount();