fix ena planner template selection and stream defaults; improve tts free text chunking

modules/ena-planner/ena-planner.html

@@ -558,11 +558,12 @@
       const sel = $('ep_tpl_select');
       sel.innerHTML = '<option value="">-- 选择模板 --</option>';
       const names = Object.keys(cfg?.promptTemplates || {});
+      const selectedName = names.includes(selected) ? selected : '';
       names.forEach(name => {
         const opt = document.createElement('option');
         opt.value = name;
         opt.textContent = name;
-        opt.selected = name === selected;
+        opt.selected = name === selectedName;
         sel.appendChild(opt);
       });
     }
@@ -675,7 +676,8 @@
 
       setBadge(toBool(cfg.enabled, true));
       updatePrefixModeUI();
-      renderTemplateSelect();
+      const keepSelectedTemplate = $('ep_tpl_select')?.value || '';
+      renderTemplateSelect(keepSelectedTemplate);
       renderPromptList();
       renderLogs();
     }

modules/ena-planner/ena-planner.js

@@ -46,7 +46,7 @@ function getDefaultSettings() {
             customPrefix: '',
             apiKey: '',
             model: '',
-            stream: false,
+            stream: true,
             temperature: 1,
             top_p: 1,
             top_k: 0,
@@ -1461,4 +1461,3 @@ export function cleanupEnaPlanner() {
     }
     delete window.xiaobaixEnaPlanner;
 }
-

modules/tts/tts-text.js

@@ -218,13 +218,53 @@ function splitTextForFree(text, maxLength = FREE_MAX_TEXT) {
     const chunks = [];
     const paragraphs = String(text || '').split(/\n\s*\n/).map(s => s.replace(/\n+/g, '\n').trim()).filter(Boolean);
 
+    let current = '';
+    const pushCurrent = () => {
+        if (!current) return;
+        chunks.push(current);
+        current = '';
+    };
+
     for (const para of paragraphs) {
-        if (para.length <= maxLength) {
+        if (!para) continue;
-            chunks.push(para);
+
+        if (para.length > maxLength) {
+            // Flush buffered short paragraphs before handling a long paragraph.
+            pushCurrent();
+            const longParts = splitLongTextBySentence(para, maxLength);
+            for (const part of longParts) {
+                const t = String(part || '').trim();
+                if (!t) continue;
+                if (!current) {
+                    current = t;
                     continue;
                 }
-        chunks.push(...splitLongTextBySentence(para, maxLength));
+                if (current.length + t.length + 2 <= maxLength) {
+                    current += `\n\n${t}`;
+                    continue;
                 }
+                pushCurrent();
+                current = t;
+            }
+            continue;
+        }
+
+        if (!current) {
+            current = para;
+            continue;
+        }
+
+        // Cross-paragraph merge: keep fewer requests while preserving paragraph boundary.
+        if (current.length + para.length + 2 <= maxLength) {
+            current += `\n\n${para}`;
+            continue;
+        }
+
+        pushCurrent();
+        current = para;
+    }
+
+    pushCurrent();
     return chunks;
 }