From 18003004fe58c9ac8e12c50160f72eb89675e387 Mon Sep 17 00:00:00 2001
From: Codex <codex@noreply.local>
Date: Sat, 20 Jun 2026 19:18:49 +0000
Subject: [PATCH] fix(web-probe): isolate turn timing columns by round

---
 scripts/src/hwlab-node-web-observe-runner-source.ts | 8 +++++---
 1 file changed, 5 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 c6b57709..35b9cccc 100644
--- a/scripts/src/hwlab-node-web-observe-runner-source.ts
+++ b/scripts/src/hwlab-node-web-observe-runner-source.ts
@@ -1414,6 +1414,8 @@ function detectTurnTimingNonMonotonic(columns, rows) {
 
 function turnMetricItems(sample, timelineItem) {
   const promptIndex = timelineItem.promptIndex ?? 0;
+  const sessionKey = sample?.routeSessionId || sample?.activeSessionId || "unknown-session";
+  const roundKey = String(promptIndex);
   const items = [];
   if (Array.isArray(sample?.turns) && sample.turns.length > 0) {
     for (const turn of sample.turns) {
@@ -1423,7 +1425,7 @@ function turnMetricItems(sample, timelineItem) {
       const traceId = turn.traceId || firstTraceId(texts);
       const messageId = turn.messageId || null;
       const domIndex = Number.isFinite(Number(turn.index)) ? Number(turn.index) : items.length;
-      const key = "turn:dom-index-" + String(domIndex);
+      const key = "turn:" + sessionKey + ":round-" + roundKey + ":dom-index-" + String(domIndex);
       items.push({
         key,
         source: "turn",
@@ -1447,7 +1449,7 @@ function turnMetricItems(sample, timelineItem) {
       if (totalElapsedValues.length === 0 && recentUpdateValues.length === 0) continue;
       const domIndex = Number.isFinite(Number(message.index)) ? Number(message.index) : items.length;
       items.push({
-        key: "message:" + String(domIndex),
+        key: "message:" + sessionKey + ":round-" + roundKey + ":dom-index-" + String(domIndex),
         source: "message",
         promptIndex,
         traceId: firstTraceId([text]),
@@ -1463,7 +1465,7 @@ function turnMetricItems(sample, timelineItem) {
   }
   if (timelineItem.totalElapsedSeconds !== null || timelineItem.recentUpdateSeconds !== null) {
     return [{
-      key: "aggregate-prompt:" + String(promptIndex),
+      key: "aggregate:" + sessionKey + ":round-" + roundKey,
       source: "aggregate",
       promptIndex,
       traceId: null,