perf(ui-web): release message stores and gate diagnostics
This commit is contained in:
+67
-15
@@ -31,23 +31,40 @@
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} catch (e) {}
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})();
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window.__APP_VER = '20260721-v7';
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// 流式逐 token 诊断默认关闭。逐 token 读取 DOM 高度/文本并写 console 会
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// 触发强制布局和跨进程日志传输，长时间运行会明显拖慢渲染器；需要排查时
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// 由 Python 显式调用 setStreamDiagnostics(true) 打开。
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window.__STREAM_DIAG = false;
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window.setStreamDiagnostics = function(enabled) {
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window.__STREAM_DIAG = !!enabled;
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if (window.__STREAM_DIAG && window.__startStreamHeartbeat) {
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window.__startStreamHeartbeat();
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}
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};
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console.log('[JS] ===== app.js 加载 ver=20260721-v7 =====');
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// 公式渲染依赖本地 KaTeX（离线）；此处确认资源加载结果，缺失时打印告警便于定位
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console.log('[JS] KaTeX ' + (typeof katex !== 'undefined' ? katex.version + ' 就绪' : '缺失（公式将退化为纯文本）'));
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// 渲染器主线程心跳：dt 异常大 = 渲染器被阻塞（截图/重绘/GPU 等）
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(function() {
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var _hbLast = Date.now();
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setInterval(function() {
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var _started = false;
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function tick() {
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var _now = Date.now();
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var _dt = _now - _hbLast;
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_hbLast = _now;
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if (_dt >= 1500) {
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console.log('[JS] 心跳 dt=' + _dt + 'ms （渲染器主线程曾卡顿）');
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}
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}, 1000);
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}
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window.__startStreamHeartbeat = function() {
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if (_started) return;
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_started = true;
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setInterval(tick, 1000);
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};
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})();
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window.__diag = { events: [], cap: 300, tokenN: 0, thinkN: 0 };
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function diagEvent(name, extra) {
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if (!window.__STREAM_DIAG) return;
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try {
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var d = window.__diag;
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d.events.push({ t: Date.now() % 1000000, e: name, x: extra });
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@@ -749,7 +766,8 @@ function createMessage(msgId, role, initialText, senderName, branchInfo) {
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if (role === 'user') {
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replyDiv.innerText = initialText;
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} else {
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// 🆕 助手纯文本消息（无时间线历史路径）也包进 md-segment → 与时间线路径同样有浅灰气泡背景
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// 🆕 助手纯文本消息（无时间线历史路径）也包进 md-segment，
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// 与时间线路径保持相同的透明正文布局
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var _tHtml = typeof marked !== 'undefined' ? safeHtml(marked.parse(initialText)) : safeHtml(initialText);
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replyDiv.innerHTML = '<div class="md-segment markdown-body">' + _tHtml + '</div>';
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}
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@@ -1208,7 +1226,8 @@ function syncRenderThrottled(msgId, minGapMs) {
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// Qt 看门狗入口：强制渲染（幂等，尾部无变化时开销极小）
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function forceRenderNow(msgId) {
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var _frNow = Date.now();
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if (!window.__frLast || _frNow - window.__frLast > 1000) {
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if (window.__STREAM_DIAG &&
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(!window.__frLast || _frNow - window.__frLast > 1000)) {
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window.__frLast = _frNow;
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console.log('[JS] forceRenderNow id=' + msgId + ' (看门狗)');
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}
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@@ -1236,7 +1255,7 @@ function _fullRenderSegment(el, c, isThink) {
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}
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function doStreamingRender(msgId) {
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window.__renderN = (window.__renderN || 0) + 1;
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if (window.__renderN % 10 === 1) {
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if (window.__STREAM_DIAG && window.__renderN % 10 === 1) {
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console.log('[JS] render#' + window.__renderN + ' 开始 id=' + msgId);
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}
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var buf = messageBuffer[msgId];
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@@ -1288,10 +1307,12 @@ function appendReasoning(msgId, token) {
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buf.reasoning += token;
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var wrapper = document.getElementById(msgId);
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if (!wrapper) { diagEvent('appendReasoning', 'NO_WRAPPER:' + msgId); return; }
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if (window.__STREAM_DIAG) {
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window.__diag.thinkN++;
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if (window.__diag.thinkN === 1 || window.__diag.thinkN % 25 === 0) {
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diagEvent('appendReasoning', 'n=' + window.__diag.thinkN);
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}
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}
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wrapper.classList.add('streaming');
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var tl = ensureTimeline(wrapper, buf);
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if (!tl) return;
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@@ -1308,7 +1329,11 @@ function appendReasoning(msgId, token) {
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buf.thinkSegs.push(tc);
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}
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tc.__buf = (tc.__buf || '') + token;
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console.log('[JS] think#' + window.__diag.thinkN + ' 段buf=' + tc.__buf.length + 'c dom=' + (tc.textContent || '').length + 'c h=' + tc.offsetHeight);
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if (window.__STREAM_DIAG) {
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console.log('[JS] think#' + window.__diag.thinkN +
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' 段buf=' + tc.__buf.length + 'c dom=' +
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(tc.textContent || '').length + 'c h=' + tc.offsetHeight);
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}
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syncRenderThrottled(msgId); // ★ 同步通道
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scheduleStreamingRender(msgId);
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}
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@@ -1319,10 +1344,12 @@ function appendToken(msgId, token) {
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buf.content += token;
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var wrapper = document.getElementById(msgId);
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if (!wrapper) { diagEvent('appendToken', 'NO_WRAPPER:' + msgId); return; }
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if (window.__STREAM_DIAG) {
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window.__diag.tokenN++;
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if (window.__diag.tokenN === 1 || window.__diag.tokenN % 25 === 0) {
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diagEvent('appendToken', 'n=' + window.__diag.tokenN);
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}
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}
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wrapper.classList.add('streaming');
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var tl = ensureTimeline(wrapper, buf);
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if (!tl) return;
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@@ -1345,10 +1372,15 @@ function appendToken(msgId, token) {
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} else {
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seg.__buf = (seg.__buf || '') + token;
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}
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console.log('[JS] token#' + window.__diag.tokenN + ' 段buf=' + seg.__buf.length + 'c dom=' + (seg.textContent || '').length + 'c 段数=' + buf.textSegs.length + ' h=' + seg.offsetHeight);
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if (window.__STREAM_DIAG) {
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console.log('[JS] token#' + window.__diag.tokenN +
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' 段buf=' + seg.__buf.length + 'c dom=' +
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(seg.textContent || '').length + 'c 段数=' +
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buf.textSegs.length + ' h=' + seg.offsetHeight);
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if (window.__diag.tokenN === 1 || window.__diag.tokenN % 25 === 0) {
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diagEvent('tokenDOM', { buf: seg.__buf.length, dom: (seg.textContent || '').length });
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}
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}
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syncRenderThrottled(msgId); // ★ 同步通道：token 到 → 内容必现
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scheduleStreamingRender(msgId); // rAF 通道：更平滑（环境允许时）
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}
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@@ -1357,7 +1389,12 @@ function appendToken(msgId, token) {
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function finishMessage(msgId) {
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console.log('[JS] finishMessage id=' + msgId);
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var wrapper = document.getElementById(msgId);
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if (!wrapper) { delete messageBuffer[msgId]; diagEvent('finish', 'NO_WRAPPER:' + msgId); return; }
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if (!wrapper) {
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delete messageBuffer[msgId];
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delete __lastSyncRender[msgId];
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diagEvent('finish', 'NO_WRAPPER:' + msgId);
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return;
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}
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diagEvent('finish', { id: msgId });
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var buf = messageBuffer[msgId];
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cancelStreamingRender(msgId);
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@@ -1440,6 +1477,7 @@ function finishMessage(msgId) {
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if (buf.raf) { cancelAnimationFrame(buf.raf); buf.raf = 0; }
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}
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delete messageBuffer[msgId];
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delete __lastSyncRender[msgId];
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// --- H. 刷新自定义滚动条 ---
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reportWebScroll();
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@@ -1940,6 +1978,7 @@ function renderTimelineHistory(msgId, timelineJson) {
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// 删除 buffer → finishMessage 不再全量重渲（避免破坏时间线 DOM），
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// 但仍会执行代码高亮/滚动等收尾
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delete messageBuffer[msgId];
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delete __lastSyncRender[msgId];
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}
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} catch (e) {
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console.error('[JS]: renderTimelineHistory 解析失败', e);
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@@ -2063,6 +2102,23 @@ function hideLoadingOverlay() {
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setTimeout(function() { el.style.display = 'none'; }, 480);
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}
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// 消息从当前窗口移除时一并释放附件缓存。附件使用 msgId-att-N 作为键，
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// 只删除父消息键会让长文本和元数据跨会话持续留在内存中。
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function clearMessageStores(msgId) {
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if (!msgId) return;
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delete messageBuffer[msgId];
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delete __lastSyncRender[msgId];
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delete longTextStore[msgId];
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delete finalContentStore[msgId];
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delete attachmentMetaStore[msgId];
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var prefix = msgId + '-att-';
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[longTextStore, attachmentMetaStore].forEach(function(store) {
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Object.keys(store).forEach(function(key) {
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if (key.indexOf(prefix) === 0) delete store[key];
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});
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});
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}
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// ==================== 历史记录与视图控制 ====================
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function clearChat() {
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var bubbles = chatContainer.querySelectorAll('.message-wrapper, .system-note');
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@@ -2073,6 +2129,7 @@ function clearChat() {
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longTextStore = {};
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finalContentStore = {};
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attachmentMetaStore = {};
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__lastSyncRender = {};
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// 🆕 P1-01：清渲染窗口状态机（游标/缓存/未决请求/代次；配置模式与大小保留）
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if (typeof rwState !== 'undefined' && rwState && typeof RenderWindowState !== 'undefined') {
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@@ -2093,9 +2150,7 @@ function deleteMessage(msgId) {
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wrapper.style.transform = "translateY(-10px)";
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setTimeout(function() { wrapper.remove(); }, 300);
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}
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delete messageBuffer[msgId];
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delete longTextStore[msgId];
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delete finalContentStore[msgId];
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clearMessageStores(msgId);
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setTimeout(reportWebScroll, 350);
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}
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@@ -2267,10 +2322,7 @@ function rwCaptureAnchor() {
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function rwRemoveMessageDom(msgId) {
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var wrapper = document.getElementById(msgId);
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if (wrapper) wrapper.remove();
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delete messageBuffer[msgId];
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delete longTextStore[msgId];
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delete finalContentStore[msgId];
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delete attachmentMetaStore[msgId];
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clearMessageStores(msgId);
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}
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/* 加载入口：固定在 chat-container 首/尾；无更多消息时隐藏。 */
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