ui: 生成语音按钮移到错别字按钮后面

- 生成语音按钮从输入区底部移到工具栏，紧跟在“✓ 错别字”之后
- 底部仅保留音色清单状态文字

app/tts/page.tsx

@@ -483,6 +483,7 @@ export default function TtsPage() {
             <button className="tool-button min-h-9" onClick={applySymbolPauses} type="button">， 符号停顿</button>
             <button className="tool-button min-h-9" onClick={applyParagraphPauses} type="button">¶ 段落停顿</button>
             <button className="tool-button min-h-9" onClick={checkTypos} type="button">✓ 错别字</button>
+            <button className="button-primary" disabled={busy || loading} onClick={() => void createSpeech()} type="button"><BrandIcon />{busy ? "合成中…" : "生成语音"}<ArrowRight /></button>
           </div>
           {pauseOpen ? <div className="pause-panel mt-4">
             <div className="flex flex-wrap items-center gap-2">
@@ -503,7 +504,7 @@ export default function TtsPage() {
           <p className="mt-3 text-xs leading-5 text-subtle">点按钮或选时长即可插入停顿，无需手写代码。标点停顿默认：逗号 0.3s，句号 / 问号 / 感叹号 0.8s。</p>
           {correctionMessage ? <p className="mt-3 rounded-lg border border-cyan/20 bg-cyan/5 px-3 py-2 text-xs text-cyan">{correctionMessage}</p> : null}
         </div>
-        <div className="mt-5 flex flex-col gap-4 border-t border-line pt-5 sm:flex-row sm:items-center sm:justify-between"><p className="text-sm text-muted">{loadedAt ? `音色清单已更新 · ${voices.length} 个音色` : "正在读取音色清单…"}</p><button className="button-primary" disabled={busy || loading} onClick={() => void createSpeech()} type="button"><BrandIcon />{busy ? "合成中…" : "生成语音"}<ArrowRight /></button></div>
+        <p className="mt-5 border-t border-line pt-5 text-sm text-muted">{loadedAt ? `音色清单已更新 · ${voices.length} 个音色` : "正在读取音色清单…"}</p>
       </section>
 
       <aside className="space-y-6">