From f2af32f76096a15e4f2508e13302ee81df208467 Mon Sep 17 00:00:00 2001
From: Codex <codex@noreply.local>
Date: Sat, 20 Jun 2026 21:32:42 +0000
Subject: [PATCH] fix(web-probe): tighten recent update sawtooth jump report

---
 scripts/src/hwlab-node-web-observe-runner-source.ts | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/scripts/src/hwlab-node-web-observe-runner-source.ts b/scripts/src/hwlab-node-web-observe-runner-source.ts
index 8cac43bf..536a71ca 100644
--- a/scripts/src/hwlab-node-web-observe-runner-source.ts
+++ b/scripts/src/hwlab-node-web-observe-runner-source.ts
@@ -1284,6 +1284,7 @@ function buildSampleMetrics(samples, control) {
       turnTimingNonMonotonicCount: turnTimingNonMonotonic.length,
       turnTimingTotalElapsedDecreaseCount: turnTimingNonMonotonic.filter((item) => item.metric === "totalElapsedSeconds").length,
       turnTimingRecentUpdateJumpCount: recentUpdateJumpCount,
+      turnTimingRecentUpdateSawtoothJumpCount: recentUpdateJumpCount,
       turnTimingRecentUpdateResetCount: turnTimingRecentUpdateResets.length,
       turnTimingRecentUpdateDecreaseCount: turnTimingRecentUpdateResets.length,
       roundsWithTurnTimingNonMonotonic: rounds.filter((item) => item.turnTimingNonMonotonicCount > 0).length,
@@ -1420,13 +1421,14 @@ function detectTurnTimingNonMonotonic(columns, rows) {
               valuesRedacted: true
             });
           }
-          const allowedIncrease = elapsedSeconds === null ? 10 : Math.max(10, elapsedSeconds + 5);
+          const allowedIncrease = elapsedSeconds === null ? 3 : Math.max(3, elapsedSeconds + 2);
           if (increase > allowedIncrease) {
             anomalies.push({
               columnId: column.id,
               columnLabel: column.label,
               metric: "recentUpdateSeconds",
               anomaly: "jump",
+              expectedPattern: "sawtooth-increase-or-reset",
               fromSeq: previous.seq,
               fromTs: previous.ts,
               fromValue: previous.value,
@@ -1570,6 +1572,7 @@ function buildRoundMetricSummaries(timeline, promptCommands, timing = {}) {
       turnTimingNonMonotonicCount: timingAnomalies.length,
       turnTimingTotalElapsedDecreaseCount: timingAnomalies.filter((item) => item.metric === "totalElapsedSeconds").length,
       turnTimingRecentUpdateJumpCount: timingAnomalies.filter((item) => item.metric === "recentUpdateSeconds" && item.anomaly === "jump").length,
+      turnTimingRecentUpdateSawtoothJumpCount: timingAnomalies.filter((item) => item.metric === "recentUpdateSeconds" && item.anomaly === "jump").length,
       turnTimingRecentUpdateResetCount: timingResets.length,
       turnTimingRecentUpdateDecreaseCount: timingResets.length
     });
@@ -1739,7 +1742,7 @@ 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）：\n" + nonMonotonicLines + "\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\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) {
@@ -1776,7 +1779,7 @@ 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) + " recentJump=" + (item.turnTimingRecentUpdateJumpCount ?? 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) + " recentJump=" + (item.turnTimingRecentUpdateJumpCount ?? 0) + " recentSawtoothJump=" + (item.turnTimingRecentUpdateSawtoothJumpCount ?? item.turnTimingRecentUpdateJumpCount ?? 0) + " recentReset=" + (item.turnTimingRecentUpdateResetCount ?? 0) + " diagnostics=" + item.diagnosticSamples + " terminal=" + item.terminalSamples + " finalText=" + item.finalTextSamples).join("\n")
     : "- 无轮次指标。";
   const metricLines = Array.isArray(report.sampleMetrics?.timeline) && report.sampleMetrics.timeline.length > 0
     ? report.sampleMetrics.timeline.slice(0, 120).map((item) => "- #" + item.seq + " " + item.ts + " prompt=" + item.promptIndex + " totalElapsedSeconds=" + (item.totalElapsedSeconds ?? "-") + " recentUpdateSeconds=" + (item.recentUpdateSeconds ?? "-") + " terminal=" + item.terminalSeen + " finalText=" + item.finalResultTextSeen + " diagnostic=" + item.diagnosticSeen).join("\n")
@@ -1802,6 +1805,7 @@ function renderMarkdown(report) {
     + "- turnTimingNonMonotonicCount: " + (metricSummary.turnTimingNonMonotonicCount ?? 0) + "\n"
     + "- turnTimingTotalElapsedDecreaseCount: " + (metricSummary.turnTimingTotalElapsedDecreaseCount ?? 0) + "\n"
     + "- turnTimingRecentUpdateJumpCount: " + (metricSummary.turnTimingRecentUpdateJumpCount ?? 0) + "\n"
+    + "- turnTimingRecentUpdateSawtoothJumpCount: " + (metricSummary.turnTimingRecentUpdateSawtoothJumpCount ?? metricSummary.turnTimingRecentUpdateJumpCount ?? 0) + "\n"
     + "- turnTimingRecentUpdateResetCount: " + (metricSummary.turnTimingRecentUpdateResetCount ?? 0) + "\n\n"
     + "### Rounds\n\n" + roundLines + "\n\n"
     + "### Prompt network\n\n" + promptNetworkLines + "\n\n"