Massive feature update: Solo session recovery, immediate result saving, image proxy, player reconnection (Live), and UI/UX refinements

server/quiz-logic.js

@@ -1,7 +1,3 @@
-/**
- * Normalize text for freitext comparison.
- * "Villingen-Schwenningen" == "villingen schwenningen" == "villingenschwenningen"
- */
 function normalizeText(text) {
     if (!text) return '';
     return text
@@ -14,10 +10,6 @@ function normalizeText(text) {
         .trim();
 }
 
-/**
- * Extract the string value from a Baserow Single Select field.
- * Baserow returns { id: 6, value: "MC", color: "..." } for Single Select.
- */
 function extractFieldValue(field, fallback) {
     if (!field) return fallback || '';
     if (typeof field === 'string') return field;
@@ -61,9 +53,6 @@ function shuffleArray(arr) {
     return a;
 }
 
-/**
- * Calculate score for an answer.
- */
 function calculateScore(question, selected, timeRemaining, totalTime, scoringMode) {
     if (!selected || selected.length === 0) return { points: 0, correct: false };
 
@@ -104,9 +93,6 @@ function calculateScore(question, selected, timeRemaining, totalTime, scoringMod
     return { points, correct: fullyCorrect };
 }
 
-/**
- * Strip the correct answer and shuffle options before sending to participants.
- */
 function sanitizeQuestion(question) {
     const typ = getTyp(question);
     const sanitized = {
@@ -118,9 +104,10 @@ function sanitizeQuestion(question) {
         kategorie: extractFieldValue(question['Kategorie'], ''),
     };
 
+    // Rewrite image URL to use proxy
     const bild = question['Bild'];
-    if (bild && Array.isArray(bild) && bild.length > 0) {
-        sanitized.bild = bild[0].url;
+    if (bild && Array.isArray(bild) && bild.length > 0 && bild[0].url) {
+        sanitized.bild = `/api/img?url=${encodeURIComponent(bild[0].url)}`;
     }
 
     if (typ !== 'freitext') {