fix: validate web-probe resource timing phases (#704)

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

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

@@ -1408,6 +1408,11 @@ async function sampleOnePage(targetPage, { reason, groupSeq, pageRole, targetPag
       decodedBodySize: Number.isFinite(Number(entry.decodedBodySize)) ? Number(entry.decodedBodySize) : null,
       nextHopProtocol: entry.nextHopProtocol || null,
       responseStatus: Number.isFinite(Number(entry.responseStatus)) ? Number(entry.responseStatus) : null,
+      serverTiming: Array.from(entry.serverTiming || []).slice(0, 8).map((item) => ({
+        name: String(item.name || "").slice(0, 80),
+        duration: Number.isFinite(Number(item.duration)) ? Math.round(Number(item.duration)) : null,
+        description: String(item.description || "").slice(0, 120)
+      })),
     });
     const url = location.href;
     const routeSessionMatch = url.match(/\/workbench\/sessions\/([^/?#]+)/u);
@@ -2456,6 +2461,8 @@ function performanceEntryCompletedEpochMs(sample, entry) {
 }
 
 function compactPagePerformanceSlowSample({ sample, entry, entryTs, normalizedPath, rawPath, durationMs, streamOpenMs }) {
+  const timingStatus = resourceTimingPhaseStatus(entry);
+  const serverTiming = compactServerTiming(entry?.serverTiming);
   return {
     ts: entryTs ?? sample?.ts ?? null,
     sampleTs: sample?.ts ?? null,
@@ -2475,10 +2482,16 @@ function compactPagePerformanceSlowSample({ sample, entry, entryTs, normalizedPa
     tlsStartMs: roundFinite(entry?.secureConnectionStart),
     requestToResponseStartMs: phaseDeltaMs(entry, "responseStart", "requestStart"),
     responseTransferMs: phaseDeltaMs(entry, "responseEnd", "responseStart"),
+    timingStatus: timingStatus.status,
+    invalidTimingPhases: timingStatus.invalidPhases,
+    partialTimingPhases: timingStatus.partialPhases,
     transferSize: Number.isFinite(Number(entry?.transferSize)) ? Number(entry.transferSize) : null,
     encodedBodySize: Number.isFinite(Number(entry?.encodedBodySize)) ? Number(entry.encodedBodySize) : null,
     decodedBodySize: Number.isFinite(Number(entry?.decodedBodySize)) ? Number(entry.decodedBodySize) : null,
     nextHopProtocol: entry?.nextHopProtocol ?? null,
+    serverTiming,
+    serverTimingNames: serverTiming.map((item) => item.name).filter(Boolean).slice(0, 8),
+    otelTraceId: extractOtelTraceIdFromServerTiming(serverTiming),
     valuesRedacted: true
   };
 }
@@ -2486,10 +2499,48 @@ function compactPagePerformanceSlowSample({ sample, entry, entryTs, normalizedPa
 function phaseDeltaMs(entry, endKey, startKey) {
   const end = Number(entry?.[endKey]);
   const start = Number(entry?.[startKey]);
-  if (!Number.isFinite(end) || !Number.isFinite(start) || end <= 0 || start < 0 || end < start) return null;
+  if (!Number.isFinite(end) || !Number.isFinite(start) || end <= 0 || start <= 0 || end < start) return null;
   return Math.round(end - start);
 }
 
+function resourceTimingPhaseStatus(entry) {
+  const pairs = [
+    ["requestToResponseStart", "requestStart", "responseStart"],
+    ["responseTransfer", "responseStart", "responseEnd"],
+  ];
+  const invalidPhases = [];
+  const partialPhases = [];
+  for (const [label, startKey, endKey] of pairs) {
+    const start = Number(entry?.[startKey]);
+    const end = Number(entry?.[endKey]);
+    if (!Number.isFinite(start) || !Number.isFinite(end) || start <= 0 || end <= 0) {
+      partialPhases.push(label);
+    } else if (end < start) {
+      invalidPhases.push(label);
+    }
+  }
+  return {
+    status: invalidPhases.length > 0 ? "invalid" : (partialPhases.length > 0 ? "partial" : "complete"),
+    invalidPhases,
+    partialPhases,
+  };
+}
+
+function compactServerTiming(value) {
+  const items = Array.isArray(value) ? value : [];
+  return items.slice(0, 8).map((item) => ({
+    name: truncate(String(item?.name || ""), 80),
+    duration: Number.isFinite(Number(item?.duration)) ? Math.round(Number(item.duration)) : null,
+    description: truncate(String(item?.description || ""), 120),
+  })).filter((item) => item.name || item.description || item.duration !== null);
+}
+
+function extractOtelTraceIdFromServerTiming(items) {
+  const text = (Array.isArray(items) ? items : []).map((item) => [item.name, item.description].filter(Boolean).join(" ")).join(" ");
+  const match = text.match(/\b[0-9a-f]{32}\b/iu);
+  return match ? match[0].toLowerCase() : null;
+}
+
 function roundFinite(value) {
   const numeric = Number(value);
   return Number.isFinite(numeric) ? Math.round(numeric) : null;