diff --git a/scripts/src/hwlab-node-impl.ts b/scripts/src/hwlab-node-impl.ts
index 96e06229..3752a272 100644
--- a/scripts/src/hwlab-node-impl.ts
+++ b/scripts/src/hwlab-node-impl.ts
@@ -9977,7 +9977,7 @@ console.log(JSON.stringify({ok:true,command:'web-probe-observe status',stateDir:
 function nodeWebObserveCollectNodeScript(maxFiles: number, collectFile: string | null, collectFinding: string | null, collectGrep: string | null): string {
   return `node -e ${shellQuote(`
 const fs=require('fs'),path=require('path'),crypto=require('crypto');
-const dir=process.argv[1]; const selected=process.argv[2]||''; const findingFilter=process.argv[3]||''; const grepText=process.argv[4]||''; const maxFiles=${maxFiles}; const maxReadBytes=64*1024; const maxJsonlTailBytes=1024*1024; const maxTextPreviewBytes=4096;
+const dir=process.argv[1]; const selected=process.argv[2]||''; const findingFilter=process.argv[3]||''; const grepText=process.argv[4]||''; const maxFiles=${maxFiles}; const maxReadBytes=64*1024; const maxJsonlTailBytes=1024*1024; const maxTextPreviewBytes=4096; const maxGrepContextLines=24; const maxGrepLineText=180;
 const shaFile=(file)=>'sha256:'+crypto.createHash('sha256').update(fs.readFileSync(file)).digest('hex');
 const shaText=(value)=>'sha256:'+crypto.createHash('sha256').update(String(value||'')).digest('hex');
 const safeRel=(value)=>Boolean(value)&&!path.isAbsolute(value)&&!value.includes('..')&&!value.includes('\\\\')&&value.split('/').every((part)=>part&&part!=='.'&&part!=='..');
@@ -9995,12 +9995,12 @@ const grepLines=(text,pattern)=>{
       if(lineIndex<0||lineIndex>=lines.length) continue;
       if(emitted.has(lineIndex)) continue;
       emitted.add(lineIndex);
-      contexts.push({lineNo:lineIndex+1,match:offset===0,text:short(lines[lineIndex],260)});
-      if(contexts.length>=80) break;
+      contexts.push({lineNo:lineIndex+1,match:offset===0,text:short(lines[lineIndex],maxGrepLineText)});
+      if(contexts.length>=maxGrepContextLines) break;
     }
-    if(contexts.length>=80) break;
+    if(contexts.length>=maxGrepContextLines) break;
   }
-  return {patternSha256:shaText(pattern),matchCount,returnedLineCount:contexts.length,truncated:matchCount>0&&contexts.length>=80,lines:contexts,valuesRedacted:true};
+  return {patternSha256:shaText(pattern),matchCount,returnedLineCount:contexts.length,truncated:matchCount>0&&contexts.length>=maxGrepContextLines,lines:contexts,valuesRedacted:true};
 };
 const slimObject=(value,maxKeys=24)=>{
   if(!value||typeof value!=='object'||Array.isArray(value)) return value??null;
@@ -10157,7 +10157,7 @@ if(selected){
   if(isJsonl&&truncated&&lines.length>0) lines.shift();
   let jsonSummary=null; let jsonContent=null;
   if(isJson){try{const parsed=JSON.parse(raw.toString('utf8')); jsonContent=raw.length<=4096?slimJsonValue(parsed):null; jsonSummary={topLevelKeys:parsed&&typeof parsed==='object'&&!Array.isArray(parsed)?Object.keys(parsed).slice(0,24):[],counts:slimObject(parsed&&parsed.counts,16),sampleMetrics:slimObject(parsed&&parsed.sampleMetrics,16),runtimeAlerts:slimObject(parsed&&parsed.runtimeAlerts,16),pagePerformance:slimObject(parsed&&parsed.pagePerformance,16),runnerErrors:Array.isArray(parsed&&parsed.runnerErrors)?parsed.runnerErrors.slice(-4).map(slimRunnerError).filter(Boolean):[],findings:Array.isArray(parsed&&parsed.findings)?parsed.findings.slice(0,6).map(slimFinding).filter(Boolean):[],findingDetail:slimFindingDetail(parsed,findingFilter)}}catch(error){jsonSummary={parseError:String(error&&error.message||error).slice(0,160)}}}
-  const jsonlTail=isJsonl?lines.slice(-8).map((line,index)=>{try{return slimJsonl(JSON.parse(line))}catch(error){return {parseError:true,index,lineTail:line.slice(-240),error:String(error&&error.message||error).slice(0,160)}}}):null;
+  const jsonlTail=isJsonl&&!grep?lines.slice(-8).map((line,index)=>{try{return slimJsonl(JSON.parse(line))}catch(error){return {parseError:true,index,lineTail:line.slice(-240),error:String(error&&error.message||error).slice(0,160)}}}):null;
   console.log(JSON.stringify({ok:true,command:'web-probe-observe collect',stateDir:dir,mode:'file',file:{path:file,relative,byteCount:st.size,sha256:shaFile(file),truncated,content:isJsonl||isJson||jsonSummary||grep?undefined:text.slice(0,maxTextPreviewBytes),contentTruncated:!isJsonl&&!isJson&&!jsonSummary&&!grep&&text.length>maxTextPreviewBytes,jsonlTail,jsonSummary,jsonContent,grep,lineCount:lines.length},valuesRedacted:true}));
   process.exit(0);
 }