fix: expose full-window web probe timing anomalies (#651)

Co-authored-by: Codex <codex@noreply.local>

scripts/src/hwlab-node-web-observe-runner-source.ts

@@ -1308,7 +1308,7 @@ console.log(JSON.stringify({
   readIssues: jsonlReadIssues.slice(0, 3).map((item) => ({ file: item.file, line: item.line ?? null, error: String(item.error ?? "").slice(0, 160) })),
   sampleMetrics: {
     ...recentWindow.sampleMetrics.summary,
-    rounds: recentWindow.sampleMetrics.rounds.slice(-8).map((item) => ({ promptIndex: item.promptIndex, promptTextHash: item.promptTextHash, sampleCount: item.sampleCount, firstSeq: item.firstSeq, lastSeq: item.lastSeq, lastTotalElapsedSeconds: item.lastTotalElapsedSeconds, lastRecentUpdateSeconds: item.lastRecentUpdateSeconds, diagnosticSamples: item.diagnosticSamples, terminalSamples: item.terminalSamples, finalTextSamples: item.finalTextSamples, turnTimingTotalElapsedZeroResetCount: item.turnTimingTotalElapsedZeroResetCount, turnTimingRecentUpdateJumpCount: item.turnTimingRecentUpdateJumpCount, turnTimingRecentUpdateMaxIncreaseSeconds: item.turnTimingRecentUpdateMaxIncreaseSeconds })),
+    rounds: recentWindow.sampleMetrics.rounds.slice(-8).map((item) => ({ promptIndex: item.promptIndex, promptTextHash: item.promptTextHash, sampleCount: item.sampleCount, firstSeq: item.firstSeq, lastSeq: item.lastSeq, lastTotalElapsedSeconds: item.lastTotalElapsedSeconds, lastRecentUpdateSeconds: item.lastRecentUpdateSeconds, diagnosticSamples: item.diagnosticSamples, terminalSamples: item.terminalSamples, finalTextSamples: item.finalTextSamples, turnTimingTotalElapsedZeroResetCount: item.turnTimingTotalElapsedZeroResetCount, turnTimingTotalElapsedForwardJumpCount: item.turnTimingTotalElapsedForwardJumpCount, turnTimingTotalElapsedForwardJumpMaxSeconds: item.turnTimingTotalElapsedForwardJumpMaxSeconds, turnTimingRecentUpdateJumpCount: item.turnTimingRecentUpdateJumpCount, turnTimingRecentUpdateMaxIncreaseSeconds: item.turnTimingRecentUpdateMaxIncreaseSeconds })),
     turnColumns: recentWindow.sampleMetrics.turnColumns.slice(-12).map((item) => ({ label: item.label, source: item.source, promptIndex: item.promptIndex, lastPromptIndex: item.lastPromptIndex, firstSeq: item.firstSeq, lastSeq: item.lastSeq, traceId: item.traceId, messageId: item.messageId })),
   },
   pageProvenance: recentWindow.pageProvenance.summary,
@@ -1405,8 +1405,24 @@ console.log(JSON.stringify({
     delta: item.delta ?? null,
     anomaly: item.anomaly ?? null,
   })),
-  pagePerformanceSlowApi: recentWindow.pagePerformance.sameOriginApiByPath.filter((item) => item.overFiveSecondCount > 0).slice(0, 5).map((item) => ({ path: item.path, route: item.route, sampleCount: item.sampleCount, p95Ms: item.p95Ms, maxMs: item.maxMs, overFiveSecondCount: item.overFiveSecondCount })),
-  findings: recentWindow.findings.slice(0, 8).map((item) => ({ kind: item.id ?? item.kind ?? item.code, severity: item.severity, count: item.count ?? item.sampleCount ?? null, summary: String(item.summary ?? item.message ?? "").slice(0, 180) })),
+  turnTimingTotalElapsedForwardJumps: recentWindow.sampleMetrics.turnTimingTotalElapsedForwardJumps.slice(0, 8).map((item) => ({
+    columnLabel: item.columnLabel ?? item.columnId ?? null,
+    promptIndex: item.promptIndex ?? null,
+    traceId: item.traceId ?? null,
+    fromSeq: item.fromSeq ?? null,
+    toSeq: item.toSeq ?? null,
+    fromTs: item.fromTs ?? null,
+    toTs: item.toTs ?? null,
+    fromValue: item.fromValue ?? null,
+    toValue: item.toValue ?? null,
+    delta: item.delta ?? null,
+    sampleDeltaSeconds: item.sampleDeltaSeconds ?? null,
+    allowedIncreaseSeconds: item.allowedIncreaseSeconds ?? null,
+    excessiveIncreaseSeconds: item.excessiveIncreaseSeconds ?? null,
+    anomaly: item.anomaly ?? null,
+  })),
+  pagePerformanceSlowApi: recentWindow.pagePerformance.sameOriginApiByPath.filter((item) => item.overFiveSecondCount > 0).slice(0, 5).map((item) => ({ path: item.path, route: item.route, sampleCount: item.sampleCount, p95Ms: item.p95Ms, maxMs: item.maxMs, overFiveSecondCount: item.overFiveSecondCount, slowSamples: item.slowSamples })),
+  findings: prioritizeFindings(recentWindow.findings).slice(0, 8).map((item) => ({ kind: item.id ?? item.kind ?? item.code, severity: item.severity, count: item.count ?? item.sampleCount ?? null, summary: String(item.summary ?? item.message ?? "").slice(0, 180) })),
   valuesRedacted: true,
 }));
 
@@ -1575,6 +1591,8 @@ function buildFindings(samples, control, network, errors, sampleMetrics, promptN
   if (promptFailures.length > 0) findings.push({ id: "prompt-chat-submit-failed", severity: "red", summary: "sendPrompt command had no successful /v1/agent/chat POST response in the sampling window", count: promptFailures.length, rounds: promptFailures.slice(0, 10) });
   const elapsedZeroResets = Array.isArray(sampleMetrics?.turnTimingElapsedZeroResets) ? sampleMetrics.turnTimingElapsedZeroResets : [];
   if (elapsedZeroResets.length > 0) findings.push({ id: "turn-timing-total-elapsed-zero-reset", severity: "red", summary: "Code Agent total elapsed jumped from a non-zero value back to 0 seconds", count: elapsedZeroResets.length, samples: elapsedZeroResets.slice(0, 20) });
+  const elapsedForwardJumps = Array.isArray(sampleMetrics?.turnTimingTotalElapsedForwardJumps) ? sampleMetrics.turnTimingTotalElapsedForwardJumps : [];
+  if (elapsedForwardJumps.length > 0) findings.push({ id: "turn-timing-total-elapsed-forward-jump", severity: "red", summary: "Code Agent total elapsed jumped forward faster than browser sample interval", count: elapsedForwardJumps.length, samples: elapsedForwardJumps.slice(0, 20) });
   const recentUpdateSawtoothJumps = Array.isArray(sampleMetrics?.turnTimingRecentUpdateSawtoothJumps)
     ? sampleMetrics.turnTimingRecentUpdateSawtoothJumps
     : Array.isArray(sampleMetrics?.turnTimingNonMonotonic)
@@ -2496,6 +2514,30 @@ function isDiagnosticText(text) {
   return /Failed to (?:fetch|load resource)|request failed|net::ERR_[A-Z0-9_:-]+|server responded with a status of [45][0-9]{2}|HTTP\s+[45][0-9]{2}\b|trace_id=|workbench turn\s*超过|turn\s*超过|无新活动|idle\s+\d+s|waitingFor=|lastEventLabel=|无法连接上游|代理暂时无法连接上游|provider-unavailable|agentrun:error|AgentRun error|projection-resume|sync-failed|durable projection store|realtime-gap|Trace 更新超时|加载失败|请求失败|请求已失败/iu.test(value);
 }
 
+function prioritizeFindings(findings) {
+  const items = Array.isArray(findings) ? findings : [];
+  const severityRank = (severity) => {
+    const value = String(severity || "").toLowerCase();
+    if (value === "red") return 0;
+    if (value === "amber" || value === "warning") return 1;
+    if (value === "info") return 3;
+    return 2;
+  };
+  const kindRank = (item) => {
+    const id = String(item?.id ?? item?.kind ?? item?.code ?? "");
+    if (id === "page-performance-slow-same-origin-api") return 0;
+    if (id.startsWith("turn-timing-total-elapsed")) return 1;
+    if (id.startsWith("turn-timing-recent-update")) return 2;
+    if (id.includes("runtime-execution") || id.includes("prompt-chat-submit-failed")) return 3;
+    return 10;
+  };
+  return items.slice().sort((left, right) => {
+    const kindDelta = kindRank(left) - kindRank(right);
+    if (kindDelta !== 0) return kindDelta;
+    return severityRank(left?.severity ?? left?.level) - severityRank(right?.severity ?? right?.level);
+  });
+}
+
 function isTerminalTraceText(text) {
   return /轮次完成|轮次失败|轮次取消|已记录|已完成第\d+轮|final response|sealed final response|turn completed|turn failed|turn canceled|terminal result|\bcompleted\b|\bfailed\b|\bcanceled\b|\bcancelled\b|\bterminal\b|\bdone\b/iu.test(String(text || ""));
 }
@@ -2541,6 +2583,7 @@ function buildSampleMetrics(samples, control) {
   const turnCells = turnTiming.rows.flatMap((row) => Object.values(row.cells || {}));
   const turnTimingNonMonotonic = Array.isArray(turnTiming.nonMonotonic) ? turnTiming.nonMonotonic : [];
   const turnTimingElapsedZeroResets = Array.isArray(turnTiming.elapsedZeroResets) ? turnTiming.elapsedZeroResets : [];
+  const turnTimingTotalElapsedForwardJumps = Array.isArray(turnTiming.totalElapsedForwardJumps) ? turnTiming.totalElapsedForwardJumps : [];
   const turnTimingRecentUpdateSawtoothJumps = turnTimingNonMonotonic.filter((item) => item.metric === "recentUpdateSeconds" && item.anomaly === "jump");
   const turnTimingTerminalElapsedGrowth = Array.isArray(turnTiming.terminalElapsedGrowth) ? turnTiming.terminalElapsedGrowth : [];
   const turnTimingRecentUpdateResets = Array.isArray(turnTiming.recentUpdateResets) ? turnTiming.recentUpdateResets : [];
@@ -2565,6 +2608,7 @@ function buildSampleMetrics(samples, control) {
   const rounds = buildRoundMetricSummaries(timeline, promptCommands, {
     nonMonotonic: turnTimingNonMonotonic,
     elapsedZeroResets: turnTimingElapsedZeroResets,
+    totalElapsedForwardJumps: turnTimingTotalElapsedForwardJumps,
     terminalElapsedGrowth: turnTimingTerminalElapsedGrowth,
     recentUpdateResets: turnTimingRecentUpdateResets,
     recentUpdateSteps: turnTimingRecentUpdateSteps
@@ -2585,6 +2629,8 @@ function buildSampleMetrics(samples, control) {
       turnTimingNonMonotonicCount: turnTimingNonMonotonic.length,
       turnTimingTotalElapsedDecreaseCount: turnTimingNonMonotonic.filter((item) => item.metric === "totalElapsedSeconds").length,
       turnTimingTotalElapsedZeroResetCount: turnTimingElapsedZeroResets.length,
+      turnTimingTotalElapsedForwardJumpCount: turnTimingTotalElapsedForwardJumps.length,
+      turnTimingTotalElapsedForwardJumpMaxSeconds: maxPositiveDelta(turnTimingTotalElapsedForwardJumps),
       turnTimingTerminalElapsedGrowthCount: turnTimingTerminalElapsedGrowth.length,
       turnTimingTerminalElapsedGrowthMaxSeconds: turnTimingTerminalElapsedGrowthDeltas.length > 0 ? Math.max(...turnTimingTerminalElapsedGrowthDeltas) : 0,
       turnTimingRecentUpdateJumpCount: recentUpdateJumpCount,
@@ -2595,6 +2641,7 @@ function buildSampleMetrics(samples, control) {
       turnTimingRecentUpdateResetCount: turnTimingRecentUpdateResets.length,
       turnTimingRecentUpdateDecreaseCount: turnTimingRecentUpdateResets.length,
       roundsWithTurnTimingNonMonotonic: rounds.filter((item) => item.turnTimingNonMonotonicCount > 0).length,
+      roundsWithTurnTimingTotalElapsedForwardJumps: rounds.filter((item) => item.turnTimingTotalElapsedForwardJumpCount > 0).length,
       roundsWithTerminalElapsedGrowth: rounds.filter((item) => item.turnTimingTerminalElapsedGrowthCount > 0).length,
       roundsWithRecentUpdateJumps: rounds.filter((item) => item.turnTimingRecentUpdateJumpCount > 0).length
     },
@@ -2603,6 +2650,7 @@ function buildSampleMetrics(samples, control) {
     turnTimingTable: turnTiming.rows,
     turnTimingNonMonotonic,
     turnTimingElapsedZeroResets,
+    turnTimingTotalElapsedForwardJumps,
     turnTimingTerminalElapsedGrowth,
     turnTimingRecentUpdateSawtoothJumps,
     turnTimingRecentUpdateSteps,
@@ -2673,6 +2721,7 @@ function buildTurnTimingTable(samples, timeline) {
     rows,
     nonMonotonic: timingEvents.anomalies,
     elapsedZeroResets: timingEvents.elapsedZeroResets,
+    totalElapsedForwardJumps: timingEvents.totalElapsedForwardJumps,
     terminalElapsedGrowth: timingEvents.terminalElapsedGrowth,
     recentUpdateResets: timingEvents.recentUpdateResets,
     recentUpdateSteps: timingEvents.recentUpdateSteps
@@ -2682,6 +2731,7 @@ function buildTurnTimingTable(samples, timeline) {
 function detectTurnTimingNonMonotonic(columns, rows) {
   const anomalies = [];
   const elapsedZeroResets = [];
+  const totalElapsedForwardJumps = [];
   const terminalElapsedGrowth = [];
   const recentUpdateResets = [];
   const recentUpdateSteps = [];
@@ -2720,6 +2770,35 @@ function detectTurnTimingNonMonotonic(columns, rows) {
           anomalies.push(event);
           if (anomaly === "zero-reset") elapsedZeroResets.push(event);
         }
+        if (previous && metric === "totalElapsedSeconds" && current > previous.value) {
+          const sampleDeltaSeconds = elapsedSecondsBetween(previous.ts, row.ts);
+          const delta = current - previous.value;
+          const allowedIncreaseSeconds = sampleDeltaSeconds + 3;
+          if (delta > allowedIncreaseSeconds) {
+            totalElapsedForwardJumps.push({
+              columnId: column.id,
+              columnLabel: column.label,
+              metric,
+              anomaly: "forward-jump",
+              expectedPattern: "total-elapsed-increase-matches-browser-sample-interval",
+              fromSeq: previous.seq,
+              fromTs: previous.ts,
+              fromValue: previous.value,
+              toSeq: row.seq ?? null,
+              toTs: row.ts ?? null,
+              toValue: current,
+              delta,
+              sampleDeltaSeconds,
+              allowedIncreaseSeconds,
+              excessiveIncreaseSeconds: Number((delta - allowedIncreaseSeconds).toFixed(3)),
+              traceId: cell.traceId ?? column.traceId ?? null,
+              messageId: cell.messageId ?? column.messageId ?? null,
+              promptIndex: cell.promptIndex ?? row.promptIndex ?? null,
+              source: cell.source ?? column.source ?? null,
+              valuesRedacted: true
+            });
+          }
+        }
         if (metric === "totalElapsedSeconds" && isTerminalTurnStatus(cell.status)) {
           if (previousTerminalTotal && current > previousTerminalTotal.value) {
             terminalElapsedGrowth.push({
@@ -2824,7 +2903,21 @@ function detectTurnTimingNonMonotonic(columns, rows) {
       }
     }
   }
-  return { anomalies, elapsedZeroResets, terminalElapsedGrowth, recentUpdateResets, recentUpdateSteps };
+  return { anomalies, elapsedZeroResets, totalElapsedForwardJumps, terminalElapsedGrowth, recentUpdateResets, recentUpdateSteps };
+}
+
+function elapsedSecondsBetween(fromTs, toTs) {
+  const from = Date.parse(fromTs);
+  const to = Date.parse(toTs);
+  if (!Number.isFinite(from) || !Number.isFinite(to) || to < from) return 0;
+  return Number(((to - from) / 1000).toFixed(3));
+}
+
+function maxPositiveDelta(items) {
+  const values = (Array.isArray(items) ? items : [])
+    .map((item) => Number(item.delta))
+    .filter((value) => Number.isFinite(value) && value > 0);
+  return values.length > 0 ? Math.max(...values) : 0;
 }
 
 function isTerminalTurnStatus(value) {
@@ -2931,6 +3024,7 @@ function firstTraceId(texts) {
 function buildRoundMetricSummaries(timeline, promptCommands, timing = {}) {
   const rounds = [];
   const nonMonotonic = Array.isArray(timing.nonMonotonic) ? timing.nonMonotonic : [];
+  const totalElapsedForwardJumps = Array.isArray(timing.totalElapsedForwardJumps) ? timing.totalElapsedForwardJumps : [];
   const elapsedZeroResets = Array.isArray(timing.elapsedZeroResets) ? timing.elapsedZeroResets : [];
   const terminalElapsedGrowth = Array.isArray(timing.terminalElapsedGrowth) ? timing.terminalElapsedGrowth : [];
   const recentUpdateResets = Array.isArray(timing.recentUpdateResets) ? timing.recentUpdateResets : [];
@@ -2941,6 +3035,7 @@ function buildRoundMetricSummaries(timeline, promptCommands, timing = {}) {
     const totalElapsed = items.map((item) => item.totalElapsedSeconds).filter((value) => value !== null);
     const recentUpdate = items.map((item) => item.recentUpdateSeconds).filter((value) => value !== null);
     const timingAnomalies = nonMonotonic.filter((item) => item.promptIndex === promptIndex);
+    const timingForwardJumps = totalElapsedForwardJumps.filter((item) => item.promptIndex === promptIndex);
     const timingZeroResets = elapsedZeroResets.filter((item) => item.promptIndex === promptIndex);
     const timingTerminalGrowth = terminalElapsedGrowth.filter((item) => item.promptIndex === promptIndex);
     const timingResets = recentUpdateResets.filter((item) => item.promptIndex === promptIndex);
@@ -2971,6 +3066,8 @@ function buildRoundMetricSummaries(timeline, promptCommands, timing = {}) {
       turnTimingNonMonotonicCount: timingAnomalies.length,
       turnTimingTotalElapsedDecreaseCount: timingAnomalies.filter((item) => item.metric === "totalElapsedSeconds").length,
       turnTimingTotalElapsedZeroResetCount: timingZeroResets.length,
+      turnTimingTotalElapsedForwardJumpCount: timingForwardJumps.length,
+      turnTimingTotalElapsedForwardJumpMaxSeconds: maxPositiveDelta(timingForwardJumps),
       turnTimingTerminalElapsedGrowthCount: timingTerminalGrowth.length,
       turnTimingTerminalElapsedGrowthMaxSeconds: terminalGrowthDeltas.length > 0 ? Math.max(...terminalGrowthDeltas) : 0,
       turnTimingRecentUpdateJumpCount: timingAnomalies.filter((item) => item.metric === "recentUpdateSeconds" && item.anomaly === "jump").length,
@@ -3151,6 +3248,10 @@ function renderTurnTimingTable(sampleMetrics) {
   const elapsedZeroResetLines = elapsedZeroResets.length > 0
     ? elapsedZeroResets.slice(0, 80).map((item) => "- " + (item.columnLabel || item.columnId || "-") + " totalElapsed zero-reset " + (item.fromValue ?? "-") + " -> " + (item.toValue ?? "-") + " delta=" + (item.delta ?? "-") + " seq " + (item.fromSeq ?? "-") + " -> " + (item.toSeq ?? "-") + " ts " + (item.fromTs || "-") + " -> " + (item.toTs || "-") + " traceId=" + (item.traceId || "-")).join("\n")
     : "- 未观察到总耗时从非零跳回 0 秒。";
+  const totalElapsedForwardJumps = Array.isArray(sampleMetrics?.turnTimingTotalElapsedForwardJumps) ? sampleMetrics.turnTimingTotalElapsedForwardJumps : [];
+  const totalElapsedForwardJumpLines = totalElapsedForwardJumps.length > 0
+    ? totalElapsedForwardJumps.slice(0, 80).map((item) => "- " + (item.columnLabel || item.columnId || "-") + " totalElapsed forward-jump " + (item.fromValue ?? "-") + " -> " + (item.toValue ?? "-") + " delta=" + (item.delta ?? "-") + " sampleDelta=" + (item.sampleDeltaSeconds ?? "-") + " allowed=" + (item.allowedIncreaseSeconds ?? "-") + " seq " + (item.fromSeq ?? "-") + " -> " + (item.toSeq ?? "-") + " ts " + (item.fromTs || "-") + " -> " + (item.toTs || "-") + " traceId=" + (item.traceId || "-")).join("\n")
+    : "- 未观察到总耗时超出采样间隔的异常前跳。";
   const sawtoothJumps = Array.isArray(sampleMetrics?.turnTimingRecentUpdateSawtoothJumps)
     ? sampleMetrics.turnTimingRecentUpdateSawtoothJumps
     : nonMonotonic.filter((item) => item.metric === "recentUpdateSeconds" && item.anomaly === "jump");
@@ -3169,7 +3270,7 @@ function renderTurnTimingTable(sampleMetrics) {
   const resetLines = recentUpdateResets.length > 0
     ? recentUpdateResets.slice(0, 80).map((item) => "- " + (item.columnLabel || item.columnId || "-") + " reset " + (item.fromValue ?? "-") + " -> " + (item.toValue ?? "-") + " delta=" + (item.delta ?? "-") + " sampleDelta=" + (item.sampleDeltaSeconds ?? "-") + " seq " + (item.fromSeq ?? "-") + " -> " + (item.toSeq ?? "-") + " ts " + (item.fromTs || "-") + " -> " + (item.toTs || "-") + " traceId=" + (item.traceId || "-")).join("\n")
     : "- 未观察到最近更新归零/回落。";
-  return lines.join("\n") + "\n\n列说明：\n" + columnLines + "\n\n异常事件（仅报表暴露，不做下游 repair；最近更新按三角波模型检测异常跳增）：\n" + nonMonotonicLines + "\n\nTerminal 后总耗时增长事件（终态 turn 的总耗时应 sealed，不应继续增长）：\n" + terminalGrowthLines + "\n\n总耗时归零跳变事件（例如已显示真实耗时后又变成 0 秒）：\n" + elapsedZeroResetLines + "\n\n最近更新 sawtooth jump 事件（预期每秒增长约 1，遇到新活动归零；例如 1 秒 -> 1 分 4 秒应被列入这里）：\n" + sawtoothJumpLines + "\n\n最近更新相邻采样 step（按 delta 降序；用于人工识别一秒跳几十秒/一分钟的瞬态）：\n" + stepLines + "\n\n最近更新 reset 事件（预期三角波归零，不计为异常）：\n" + resetLines;
+  return lines.join("\n") + "\n\n列说明：\n" + columnLines + "\n\n异常事件（仅报表暴露，不做下游 repair；最近更新按三角波模型检测异常跳增）：\n" + nonMonotonicLines + "\n\nTerminal 后总耗时增长事件（终态 turn 的总耗时应 sealed，不应继续增长）：\n" + terminalGrowthLines + "\n\n总耗时归零跳变事件（例如已显示真实耗时后又变成 0 秒）：\n" + elapsedZeroResetLines + "\n\n总耗时异常前跳事件（预期按采样间隔近似递增；例如 14 秒 -> 1137 秒应被列入这里）：\n" + totalElapsedForwardJumpLines + "\n\n最近更新 sawtooth jump 事件（预期每秒增长约 1，遇到新活动归零；例如 1 秒 -> 1 分 4 秒应被列入这里）：\n" + sawtoothJumpLines + "\n\n最近更新相邻采样 step（按 delta 降序；用于人工识别一秒跳几十秒/一分钟的瞬态）：\n" + stepLines + "\n\n最近更新 reset 事件（预期三角波归零，不计为异常）：\n" + resetLines;
 }
 
 function formatMetricCell(value) {
@@ -3206,7 +3307,7 @@ function renderMarkdown(report) {
     ? report.promptNetwork.rounds.map((item) => "- round " + item.promptIndex + " promptHash=" + (item.promptTextHash || "-") + " chatPostOk=" + String(item.chatPostOk) + " failure=" + (item.failureKind || "-") + " statuses=" + (Array.isArray(item.responseStatuses) && item.responseStatuses.length > 0 ? item.responseStatuses.join(",") : "-") + " firstChat=" + (item.firstChatEventAt || "-") + " lastChat=" + (item.lastChatEventAt || "-")).join("\n")
     : "- 无 prompt 网络记录。";
   const roundLines = Array.isArray(report.sampleMetrics?.rounds) && report.sampleMetrics.rounds.length > 0
-    ? report.sampleMetrics.rounds.map((item) => "- round " + item.promptIndex + " promptHash=" + (item.promptTextHash || "-") + " samples=" + item.sampleCount + " totalMax=" + (item.maxTotalElapsedSeconds ?? "-") + " totalLast=" + (item.lastTotalElapsedSeconds ?? "-") + " recentMax=" + (item.maxRecentUpdateSeconds ?? "-") + " recentLast=" + (item.lastRecentUpdateSeconds ?? "-") + " totalDecrease=" + (item.turnTimingTotalElapsedDecreaseCount ?? 0) + " terminalGrowth=" + (item.turnTimingTerminalElapsedGrowthCount ?? 0) + " terminalGrowthMax=" + (item.turnTimingTerminalElapsedGrowthMaxSeconds ?? 0) + " recentJump=" + (item.turnTimingRecentUpdateJumpCount ?? 0) + " recentSawtoothJump=" + (item.turnTimingRecentUpdateSawtoothJumpCount ?? item.turnTimingRecentUpdateJumpCount ?? 0) + " recentStep=" + (item.turnTimingRecentUpdateStepCount ?? 0) + " recentMaxIncrease=" + (item.turnTimingRecentUpdateMaxIncreaseSeconds ?? "-") + " recentMaxExcess=" + (item.turnTimingRecentUpdateMaxExcessSeconds ?? 0) + " recentReset=" + (item.turnTimingRecentUpdateResetCount ?? 0) + " diagnostics=" + item.diagnosticSamples + " terminal=" + item.terminalSamples + " finalText=" + item.finalTextSamples).join("\n")
+    ? report.sampleMetrics.rounds.map((item) => "- round " + item.promptIndex + " promptHash=" + (item.promptTextHash || "-") + " samples=" + item.sampleCount + " totalMax=" + (item.maxTotalElapsedSeconds ?? "-") + " totalLast=" + (item.lastTotalElapsedSeconds ?? "-") + " recentMax=" + (item.maxRecentUpdateSeconds ?? "-") + " recentLast=" + (item.lastRecentUpdateSeconds ?? "-") + " totalDecrease=" + (item.turnTimingTotalElapsedDecreaseCount ?? 0) + " totalForwardJump=" + (item.turnTimingTotalElapsedForwardJumpCount ?? 0) + " totalForwardJumpMax=" + (item.turnTimingTotalElapsedForwardJumpMaxSeconds ?? 0) + " terminalGrowth=" + (item.turnTimingTerminalElapsedGrowthCount ?? 0) + " terminalGrowthMax=" + (item.turnTimingTerminalElapsedGrowthMaxSeconds ?? 0) + " recentJump=" + (item.turnTimingRecentUpdateJumpCount ?? 0) + " recentSawtoothJump=" + (item.turnTimingRecentUpdateSawtoothJumpCount ?? item.turnTimingRecentUpdateJumpCount ?? 0) + " recentStep=" + (item.turnTimingRecentUpdateStepCount ?? 0) + " recentMaxIncrease=" + (item.turnTimingRecentUpdateMaxIncreaseSeconds ?? "-") + " recentMaxExcess=" + (item.turnTimingRecentUpdateMaxExcessSeconds ?? 0) + " recentReset=" + (item.turnTimingRecentUpdateResetCount ?? 0) + " diagnostics=" + item.diagnosticSamples + " terminal=" + item.terminalSamples + " finalText=" + item.finalTextSamples).join("\n")
     : "- 无轮次指标。";
   const provenanceLines = Array.isArray(report.pageProvenance?.segments) && report.pageProvenance.segments.length > 0
     ? report.pageProvenance.segments.slice(0, 40).map((item) => "- fingerprint=" + (item.assetFingerprint || "-") + " samples=" + item.sampleCount + " seq=" + (item.firstSeq ?? "-") + ".." + (item.lastSeq ?? "-") + " ts=" + (item.firstAt || "-") + ".." + (item.lastAt || "-") + " scripts=" + (item.scriptCount ?? "-") + " styles=" + (item.stylesheetCount ?? "-") + " urlPaths=" + (Array.isArray(item.urlPaths) ? item.urlPaths.slice(0, 4).join(",") : "-")).join("\n")
@@ -3237,6 +3338,8 @@ function renderMarkdown(report) {
     + "- turnTimingRows: " + (metricSummary.turnTimingRows ?? 0) + "\n"
     + "- turnTimingNonMonotonicCount: " + (metricSummary.turnTimingNonMonotonicCount ?? 0) + "\n"
     + "- turnTimingTotalElapsedDecreaseCount: " + (metricSummary.turnTimingTotalElapsedDecreaseCount ?? 0) + "\n"
+    + "- turnTimingTotalElapsedForwardJumpCount: " + (metricSummary.turnTimingTotalElapsedForwardJumpCount ?? 0) + "\n"
+    + "- turnTimingTotalElapsedForwardJumpMaxSeconds: " + (metricSummary.turnTimingTotalElapsedForwardJumpMaxSeconds ?? 0) + "\n"
     + "- turnTimingTerminalElapsedGrowthCount: " + (metricSummary.turnTimingTerminalElapsedGrowthCount ?? 0) + "\n"
     + "- turnTimingTerminalElapsedGrowthMaxSeconds: " + (metricSummary.turnTimingTerminalElapsedGrowthMaxSeconds ?? 0) + "\n"
     + "- turnTimingRecentUpdateJumpCount: " + (metricSummary.turnTimingRecentUpdateJumpCount ?? 0) + "\n"