fix: resolve bugs 01 through 08 and set Ollama TTL to 1h

app/static/js/modules/ui.js

@@ -27,12 +27,26 @@ export function slugify(text) {
 
 export function shuffleArray(array) {
     if (!array || !Array.isArray(array)) return [];
-    const arr = [...array];
-    for (let i = arr.length - 1; i > 0; i--) {
+    for (let i = array.length - 1; i > 0; i--) {
         const j = Math.floor(Math.random() * (i + 1));
-        [arr[i], arr[j]] = [arr[j], arr[i]];
+        [array[i], array[j]] = [array[j], array[i]];
     }
-    return arr;
+    return array;
+}
+
+export function cleanPromptTranslation(text) {
+    if (!text || typeof text !== 'string') return '';
+    // Strip grammatical inflection notes that contain Latin words to prevent spoilers in tests
+    return text.replace(/\s*\([а-яА-ЯёЁ0-9\s.,-]*\bот\s+[a-zA-Z\x27-]+\)/gi, '').trim();
+}
+
+export function formatTranslationWithSpoiler(text) {
+    if (!text || typeof text !== 'string') return '';
+    const noteMatch = text.match(/\s*\(([а-яА-ЯёЁ0-9\s.,-]*\bот\s+[a-zA-Z\x27-]+)\)/i);
+    if (!noteMatch) return escapeHtml(text);
+    const cleanText = text.replace(noteMatch[0], '').trim();
+    const noteText = noteMatch[1];
+    return `${escapeHtml(cleanText)} <span class="grammar-hint-badge" title="Нажмите, чтобы показать форму" onclick="this.classList.toggle('active')"><span class="badge-label">ℹ️ форма</span><span class="badge-body">${escapeHtml(noteText)}</span></span>`;
 }
 
 // -----------------------------------------------------------------------
@@ -270,6 +284,8 @@ export const ui = {
     updateHeaderStats,
     playAudio,
     playTextSpeech,
+    cleanPromptTranslation,
+    formatTranslationWithSpoiler,
 };
 
 export default ui;