diff --git a/scripts/src/hwlab-node-web-observe-runner-source.ts b/scripts/src/hwlab-node-web-observe-runner-source.ts
index a7e0428c..5f6c97b5 100644
--- a/scripts/src/hwlab-node-web-observe-runner-source.ts
+++ b/scripts/src/hwlab-node-web-observe-runner-source.ts
@@ -1717,7 +1717,7 @@ async function sampleOnePage(targetPage, { reason, groupSeq, pageRole, targetPag
       }
       return null;
     };
-    const summarize = (selector, limit) => Array.from(document.querySelectorAll(selector)).filter(visible).slice(-limit).map((element, index) => {
+    const summarizeElements = (elements, limit) => elements.filter(visible).slice(-limit).map((element, index) => {
       const rect = element.getBoundingClientRect();
       const owner = element.closest('article.message-card, .message-card[data-message-id], article[data-message-id], [data-trace-id]');
       const timeElement = element.matches("time,[datetime]") ? element : element.querySelector("time,[datetime]");
@@ -1741,6 +1741,7 @@ async function sampleOnePage(targetPage, { reason, groupSeq, pageRole, targetPag
         rect: { x: Math.round(rect.x), y: Math.round(rect.y), width: Math.round(rect.width), height: Math.round(rect.height) },
       };
     });
+    const summarize = (selector, limit) => summarizeElements(Array.from(document.querySelectorAll(selector)), limit);
     const summarizeMessages = (selector, limit) => Array.from(document.querySelectorAll(selector)).filter(visible).slice(-limit).map((element, index) => {
       const rect = element.getBoundingClientRect();
       return {
@@ -1793,10 +1794,13 @@ async function sampleOnePage(targetPage, { reason, groupSeq, pageRole, targetPag
     const activeSession = document.querySelector('[data-active="true"][data-session-id], [aria-selected="true"][data-session-id], .active[data-session-id]');
     const activeSessionId = activeSession ? activeSession.getAttribute("data-session-id") : null;
     const messageSelector = 'article.message-card, .message-card[data-message-id], article[data-message-id]';
-    const traceSelector = '[data-testid*="trace" i], [class*="trace" i], [data-trace-id], [data-testid*="event" i]';
+    const stableTraceSelector = 'li.trace-render-row[data-row-id], li.trace-render-row[data-testid="trace-render-row"], [data-testid="trace-render-row"][data-row-id]';
+    const fallbackTraceSelector = '[data-testid*="trace" i], [class*="trace" i], [data-trace-id], [data-testid*="event" i]';
     const diagnosticSelector = '.api-error-diagnostic, [class*="api-error-diagnostic" i], [class*="message-diagnostic" i], [class*="projection-diagnostic" i], [data-testid="api-error-diagnostic" i], [data-testid="error-diagnostic" i], [data-testid*="diagnostic" i], [role="alert"], [aria-live="assertive"]';
     const messages = summarizeMessages(messageSelector, 80);
-    const traceRows = summarize(traceSelector, 30);
+    const stableTraceElements = Array.from(document.querySelectorAll(stableTraceSelector));
+    const fallbackTraceElements = Array.from(document.querySelectorAll(fallbackTraceSelector)).filter((element) => element.matches('li,[role="listitem"],[data-testid*="trace-row" i],[data-testid*="event-row" i]'));
+    const traceRows = summarizeElements(stableTraceElements.length > 0 ? stableTraceElements : fallbackTraceElements, 30);
     const loadings = collectLoadingNodes();
     const sessionRail = collectSessionRailTitles();
     const diagnostics = Array.from(document.querySelectorAll(diagnosticSelector)).filter(visible).slice(-40).map((element, index) => {