fix & feat: resolve user reports #1 through #8 (TTS voice & speed, modals, scrollbar, CEFR hint, SRS grammar exclusion, global word lookup)

app/static/js/modules/dictionary.js

@@ -167,8 +167,7 @@ export function initDictionary() {
         audioPlayBtn.addEventListener('click', () => {
             const term = currentLookupData?.term || currentLookupData?.english_term;
             if (!term) return;
-            const url = currentLookupData.audio_url || `/api/tts?text=${encodeURIComponent(term)}&lang=en`;
-            playAudio(url);
+            playTextSpeech(term, 'en');
         });
     }
 
@@ -402,7 +401,10 @@ export function initDictionary() {
                 ${c.context_sentence ? `
                     <div class="card-context">
                         “${escapeHtml(c.context_sentence)}”
-                        <button class="icon-btn audio-play-btn play-context-audio-btn" data-id="${c.id}" title="Озвучить пример">🔊</button>
+                        <span class="audio-ctrl-group">
+                            <button class="icon-btn audio-play-btn play-context-audio-btn" data-id="${c.id}" title="Озвучить пример (1.0x)">🔊</button>
+                            <button class="icon-btn audio-slow-btn play-context-slow-btn" data-id="${c.id}" title="Озвучить медленно (0.7x)">🐢 0.7x</button>
+                        </span>
                     </div>` : ''}
                 <div class="card-bottom">
                     <div class="card-tags">
@@ -416,13 +418,17 @@ export function initDictionary() {
             // Audio buttons
             cardEl.querySelector('.play-term-audio-btn')?.addEventListener('click', (e) => {
                 e.stopPropagation();
-                if (c.audio_url) playAudio(c.audio_url);
-                else playTextSpeech(c.term, 'en');
+                playTextSpeech(c.term, 'en', 1.0);
             });
 
             cardEl.querySelector('.play-context-audio-btn')?.addEventListener('click', (e) => {
                 e.stopPropagation();
-                playTextSpeech(c.context_sentence, 'en');
+                playTextSpeech(c.context_sentence, 'en', 1.0);
+            });
+
+            cardEl.querySelector('.play-context-slow-btn')?.addEventListener('click', (e) => {
+                e.stopPropagation();
+                playTextSpeech(c.context_sentence, 'en', 0.75);
             });
 
             // Edit button