clarify presenter timer controls

assets/template-swiss.html

@@ -1756,7 +1756,7 @@ window.__pptPresenter=(()=>{
       <div class="ppt-presenter-top"><div><div class="ppt-presenter-brand">演讲者视图</div><div class="ppt-presenter-meta"><span id="ppt-plan"></span><span id="ppt-section" hidden></span></div></div><div class="ppt-presenter-meta"><span id="ppt-sync" class="ppt-sync" data-state="disconnected" title="表示观众页面的软件同步状态，不代表 HDMI 等物理线缆状态">观众屏 · 未连接</span><button id="ppt-auto-toggle" class="ppt-ui-btn ppt-auto-state" type="button">自动翻页 · 关闭</button><button id="ppt-preflight" class="ppt-ui-btn" type="button">检查</button><button id="ppt-settings" class="ppt-ui-btn" type="button">设置</button><button id="ppt-reopen" class="ppt-ui-btn" type="button">重新打开观众屏</button><button id="ppt-exit" class="ppt-ui-btn" type="button">退出</button></div></div>
       <div class="ppt-presenter-main"><div class="ppt-preview-stack"><div class="ppt-stage-card"><div class="ppt-stage-label"><span>当前页</span><span class="ppt-annotation-tools"><button id="ppt-grid" class="ppt-ui-btn ppt-grid-btn" type="button" aria-pressed="false" title="宫格选页（Esc）"><span class="ppt-grid-icon" aria-hidden="true"><i></i><i></i><i></i><i></i></span>宫格</button><button class="ppt-ui-btn" data-ppt-tool="laser" type="button" title="激光笔（L）">激光</button><button class="ppt-ui-btn" data-ppt-tool="circle" type="button" title="圈选（C）">圈选</button><button id="ppt-ink-clear" class="ppt-ui-btn ppt-clear-btn" type="button" title="清除标记（X）">清除</button></span><span id="ppt-current-label"></span></div><div class="ppt-frame-viewport"><iframe id="ppt-current-frame" class="ppt-frame" title="当前页预览"></iframe><canvas id="ppt-presenter-ink" class="ppt-annotation-layer" aria-label="演讲标注层"></canvas></div></div><div class="ppt-stage-card" id="ppt-next-card"><div class="ppt-stage-label"><span>下一页</span><span id="ppt-next-label"></span></div><div class="ppt-frame-viewport"><iframe id="ppt-next-frame" class="ppt-frame ppt-next-frame" title="下一页预览"></iframe></div></div><div id="ppt-presenter-overview" class="ppt-presenter-overview" hidden><div class="ppt-overview-head"><strong>选择页面</strong><button id="ppt-overview-close" class="ppt-ui-btn" type="button">返回预览</button></div><div id="ppt-presenter-overview-grid" class="ppt-overview-grid"></div></div></div>
       <div class="ppt-notes-card"><div class="ppt-notes-head"><div class="ppt-notes-label">标题</div><div id="ppt-notes-title" class="ppt-notes-title"></div><div class="ppt-purpose-block"><div class="ppt-notes-label">本页目的</div><div id="ppt-notes-purpose" class="ppt-purpose-copy"></div></div><div class="ppt-notes-draft-head"><div><div class="ppt-notes-label">草稿（备注）</div><div id="ppt-note-meta" class="ppt-note-meta"></div></div><span class="ppt-notes-tools"><span id="ppt-saved" class="ppt-saved">已保存</span><button id="ppt-note-smaller" class="ppt-ui-btn" type="button" title="缩小备注字号">A−</button><button id="ppt-note-larger" class="ppt-ui-btn" type="button" title="放大备注字号">A+</button></span></div></div><textarea id="ppt-note-editor" class="ppt-note-editor" spellcheck="false" aria-label="本页演讲备注"></textarea></div></div>
-      <div class="ppt-presenter-bottom"><div class="ppt-time-dashboard"><div class="ppt-time-stat"><span class="ppt-time-label">已进行</span><strong id="ppt-clock" class="ppt-time-value">00:00</strong><span class="ppt-time-hint">总时长</span></div><div class="ppt-time-stat"><span class="ppt-time-label">本页</span><strong id="ppt-slide-clock" class="ppt-time-value">00:00</strong><span id="ppt-slide-plan" class="ppt-time-hint">计划 —</span></div><div id="ppt-slide-status-box" class="ppt-time-stat"><span id="ppt-slide-status-label" class="ppt-time-label">计划</span><strong id="ppt-slide-status" class="ppt-time-value">—</strong><span id="ppt-slide-status-hint" class="ppt-time-hint">未设置</span></div></div><div class="ppt-control-stack"><div class="ppt-controls"><button id="ppt-first" class="ppt-ui-btn" type="button">首页</button><button id="ppt-prev" class="ppt-ui-btn" type="button">上一页</button><button id="ppt-next" class="ppt-ui-btn" type="button">下一页</button><button id="ppt-last" class="ppt-ui-btn" type="button">尾页</button></div><div class="ppt-session-actions"><button id="ppt-timer-toggle" class="ppt-ui-btn" type="button">开始</button><button id="ppt-timer-reset" class="ppt-ui-btn" type="button">重置</button><button id="ppt-rehearsal" class="ppt-ui-btn" type="button">排练</button></div></div><div class="ppt-page-state"><strong id="ppt-page-count"></strong><span id="ppt-page-percent"></span></div></div>
+      <div class="ppt-presenter-bottom"><div class="ppt-time-dashboard"><div class="ppt-time-stat"><span class="ppt-time-label">已进行</span><strong id="ppt-clock" class="ppt-time-value">00:00</strong><span class="ppt-time-hint">总时长</span></div><div class="ppt-time-stat"><span class="ppt-time-label">本页</span><strong id="ppt-slide-clock" class="ppt-time-value">00:00</strong><span id="ppt-slide-plan" class="ppt-time-hint">计划 —</span></div><div id="ppt-slide-status-box" class="ppt-time-stat"><span id="ppt-slide-status-label" class="ppt-time-label">计划</span><strong id="ppt-slide-status" class="ppt-time-value">—</strong><span id="ppt-slide-status-hint" class="ppt-time-hint">未设置</span></div></div><div class="ppt-control-stack"><div class="ppt-controls"><button id="ppt-first" class="ppt-ui-btn" type="button">首页</button><button id="ppt-prev" class="ppt-ui-btn" type="button">上一页</button><button id="ppt-next" class="ppt-ui-btn" type="button">下一页</button><button id="ppt-last" class="ppt-ui-btn" type="button">尾页</button></div><div class="ppt-session-actions"><button id="ppt-timer-toggle" class="ppt-ui-btn" type="button">开始计时</button><button id="ppt-timer-reset" class="ppt-ui-btn" type="button">重置计时</button><button id="ppt-rehearsal" class="ppt-ui-btn" type="button">排练</button></div></div><div class="ppt-page-state"><strong id="ppt-page-count"></strong><span id="ppt-page-percent"></span></div></div>
       <div id="ppt-dialog" class="ppt-dialog" hidden><div class="ppt-dialog-panel" role="dialog" aria-modal="true"><div class="ppt-dialog-head"><div id="ppt-dialog-title" class="ppt-dialog-title"></div><button id="ppt-dialog-close" class="ppt-ui-btn" type="button">关闭</button></div><div id="ppt-dialog-body" class="ppt-dialog-body"></div></div></div>
     </div>`);
     document.getElementById('ppt-reopen').onclick=reopenAudience;
@@ -1828,7 +1828,7 @@ window.__pptPresenter=(()=>{
     if(plan)plan.textContent=totalPlan?`计划 ${Number(totalPlan/60000).toFixed(1)} 分钟 · 预计 ${clockTime(Date.now()+Math.max(0,totalPlan-totalUsed))}`:'计划 —';
     const section=sectionInfo(idx),sectionEl=document.getElementById('ppt-section');
     if(sectionEl){sectionEl.hidden=!section;sectionEl.textContent=section?`${section.name} · ${section.position}/${section.count}${section.planned?` · 剩余 ${durationText(Math.max(0,section.planned-section.used))}`:''}`:'';}
-    const timerButton=document.getElementById('ppt-timer-toggle');if(timerButton)timerButton.textContent=timerRunning?'暂停':(totalUsed?'继续':'开始');
+    const timerButton=document.getElementById('ppt-timer-toggle');if(timerButton)timerButton.textContent=timerRunning?'暂停':(totalUsed?'继续计时':'开始计时');
     const rehearsalButton=document.getElementById('ppt-rehearsal');if(rehearsalButton){rehearsalButton.textContent=rehearsalActive?'结束排练':'排练';rehearsalButton.classList.toggle('ppt-rehearsal-on',rehearsalActive);}
     renderAutoState();
   }