diff --git a/scripts/Run-AutonomousIntegrationLoop.ps1 b/scripts/Run-AutonomousIntegrationLoop.ps1
index 083a9ce9c..b1e9d7a39 100644
--- a/scripts/Run-AutonomousIntegrationLoop.ps1
+++ b/scripts/Run-AutonomousIntegrationLoop.ps1
@@ -471,17 +471,40 @@ if ($UseTestStandHarness) {
       if ($logDir -and -not (Test-Path -LiteralPath $logDir)) { New-Item -ItemType Directory -Path $logDir -Force | Out-Null }
     }
 
+    $iterationExecutionTopology = [ordered]@{
+      runtimeSurface = 'windows-native-teststand'
+      processModelClass = if ($TestStandSuiteClass -eq 'dual-plane-parity') { 'parallel-process-model' } else { 'sequential-process-model' }
+      windowsOnly = $true
+      requestedSimultaneous = ($TestStandSuiteClass -eq 'dual-plane-parity')
+      cellClass = $executionCellLeaseMetadata.cellClass
+      executionCellLeasePath = $executionCellLeasePath
+      executionCellId = $executionCellId
+      executionCellLeaseId = $executionCellLeaseId
+      harnessInstanceLeasePath = $harnessInstanceLeasePath
+      harnessInstanceLeaseId = $harnessInstanceLeaseMetadata.leaseId
+      harnessInstanceId = $harnessInstanceId
+    }
+
     $exitCode = 0
-    Write-JsonEvent 'harnessInvoke' @{ iteration=$currentIteration; output=$iterationRoot; status='start' }
+    Write-JsonEvent 'harnessInvoke' @{ iteration=$currentIteration; output=$iterationRoot; status='start'; executionTopology=$iterationExecutionTopology }
     try {
       & $resolvedHarness @harnessParams | Out-Null
       $exitCode = $LASTEXITCODE
       $sessionMetadata = Get-TestStandHarnessSessionMetadata -IterationRoot $iterationRoot
       if (-not [string]::IsNullOrWhiteSpace($sessionMetadata.harnessInstanceId) -or -not [string]::IsNullOrWhiteSpace($sessionMetadata.harnessInstanceLeaseId) -or -not [string]::IsNullOrWhiteSpace($sessionMetadata.harnessInstanceLeasePath)) {
         $latestHarnessSessionMetadata.Value = $sessionMetadata
+        if (-not [string]::IsNullOrWhiteSpace($sessionMetadata.harnessInstanceId)) {
+          $iterationExecutionTopology.harnessInstanceId = $sessionMetadata.harnessInstanceId
+        }
+        if (-not [string]::IsNullOrWhiteSpace($sessionMetadata.harnessInstanceLeaseId)) {
+          $iterationExecutionTopology.harnessInstanceLeaseId = $sessionMetadata.harnessInstanceLeaseId
+        }
+        if (-not [string]::IsNullOrWhiteSpace($sessionMetadata.harnessInstanceLeasePath)) {
+          $iterationExecutionTopology.harnessInstanceLeasePath = $sessionMetadata.harnessInstanceLeasePath
+        }
       }
     } catch {
-      Write-JsonEvent 'harnessResult' @{ iteration=$currentIteration; status='exception'; message=$_.Exception.Message }
+      Write-JsonEvent 'harnessResult' @{ iteration=$currentIteration; status='exception'; message=$_.Exception.Message; executionTopology=$iterationExecutionTopology }
       throw
     } finally {
       if ($restoreHarnessLog) {
@@ -490,7 +513,7 @@ if ($UseTestStandHarness) {
         $env:HARNESS_LOG = $originalHarnessLog
       }
     }
-    Write-JsonEvent 'harnessResult' @{ iteration=$currentIteration; exitCode=$exitCode }
+    Write-JsonEvent 'harnessResult' @{ iteration=$currentIteration; exitCode=$exitCode; executionTopology=$iterationExecutionTopology }
     return $exitCode
   }
   $skipValidation = $false
@@ -697,6 +720,19 @@ if ($UseTestStandHarness -and $harnessPlan) {
   $planPayload.harnessRuntimeSurface = $harnessPlan.runtimeSurface
   $planPayload.harnessProcessModelClass = $harnessPlan.processModelClass
   $planPayload.harnessRequestedSimultaneous = $harnessPlan.requestedSimultaneous
+  $planPayload.executionTopology = [ordered]@{
+    runtimeSurface = $harnessPlan.runtimeSurface
+    processModelClass = $harnessPlan.processModelClass
+    windowsOnly = $harnessPlan.windowsOnly
+    requestedSimultaneous = $harnessPlan.requestedSimultaneous
+    cellClass = $harnessPlan.cellClass
+    executionCellLeasePath = $harnessPlan.executionCellLeasePath
+    executionCellId = $harnessPlan.executionCellId
+    executionCellLeaseId = $harnessPlan.executionCellLeaseId
+    harnessInstanceLeasePath = $harnessPlan.harnessInstanceLeasePath
+    harnessInstanceLeaseId = $harnessPlan.harnessInstanceLeaseId
+    harnessInstanceId = $harnessPlan.harnessInstanceId
+  }
 }
 Write-JsonEvent 'plan' $planPayload
 
@@ -715,6 +751,19 @@ if ($DryRun) {
     $dryRunPayload.harnessOutput = $harnessPlan.output
     $dryRunPayload.harnessRuntimeSurface = $harnessPlan.runtimeSurface
     $dryRunPayload.harnessProcessModelClass = $harnessPlan.processModelClass
+    $dryRunPayload.executionTopology = [ordered]@{
+      runtimeSurface = $harnessPlan.runtimeSurface
+      processModelClass = $harnessPlan.processModelClass
+      windowsOnly = $harnessPlan.windowsOnly
+      requestedSimultaneous = $harnessPlan.requestedSimultaneous
+      cellClass = $harnessPlan.cellClass
+      executionCellLeasePath = $harnessPlan.executionCellLeasePath
+      executionCellId = $harnessPlan.executionCellId
+      executionCellLeaseId = $harnessPlan.executionCellLeaseId
+      harnessInstanceLeasePath = $harnessPlan.harnessInstanceLeasePath
+      harnessInstanceLeaseId = $harnessPlan.harnessInstanceLeaseId
+      harnessInstanceId = $harnessPlan.harnessInstanceId
+    }
   }
   Write-JsonEvent 'dryRun' $dryRunPayload
   Set-LoopExit 0
diff --git a/tests/Run-AutonomousIntegrationLoop.Tests.ps1 b/tests/Run-AutonomousIntegrationLoop.Tests.ps1
index 7e14f99de..aa0901b8d 100644
--- a/tests/Run-AutonomousIntegrationLoop.Tests.ps1
+++ b/tests/Run-AutonomousIntegrationLoop.Tests.ps1
@@ -108,6 +108,7 @@ Describe 'Run-AutonomousIntegrationLoop TestStand harness mode' -Tag 'Unit' {
 
     $harnessStub = Join-Path $outDir 'TestStand-CompareHarness.ps1'
     $logPath = Join-Path $outDir 'harness-log.ndjson'
+    $jsonLogPath = Join-Path $outDir 'loop.events.json'
     $outputRoot = Join-Path $outDir 'outputs'
 $stubContent = @"
 param(
@@ -186,7 +187,7 @@ exit 0
     try {
       $runner = Join-Path $outDir 'runner-harness.ps1'
       $runnerContent = @"
-& '$scriptPath' -Base '$base' -Head '$head' -MaxIterations 2 -IntervalSeconds 0 -LogVerbosity Quiet -LvCompareArgs '-foo 1 -bar' -UseTestStandHarness -TestStandHarnessPath '$harnessStub' -TestStandOutputRoot '$outputRoot' -TestStandWarmup detect -TestStandSuiteClass dual-plane-parity -TestStandLabVIEW64Path 'C:\Program Files\National Instruments\LabVIEW 2026\LabVIEW.exe' -TestStandLabVIEW32Path 'C:\Program Files (x86)\National Instruments\LabVIEW 2026\LabVIEW.exe' -TestStandAgentId 'hooke' -TestStandAgentClass 'subagent' -TestStandExecutionCellLeasePath '$leasePath' -TestStandExecutionCellId 'exec-cell-hooke-loop-01' -TestStandExecutionCellLeaseId 'lease-hooke-loop-01' -TestStandHarnessInstanceLeasePath '$harnessLeasePath' -TestStandHarnessInstanceId 'ts-loop-hooke-01' -TestStandRenderReport -TestStandCloseLabVIEW -TestStandCloseLVCompare -TestStandTimeoutSeconds 45 -TestStandReplaceFlags -FinalStatusJsonPath '$outDir/final.json'
+& '$scriptPath' -Base '$base' -Head '$head' -MaxIterations 2 -IntervalSeconds 0 -LogVerbosity Quiet -JsonLogPath '$jsonLogPath' -LvCompareArgs '-foo 1 -bar' -UseTestStandHarness -TestStandHarnessPath '$harnessStub' -TestStandOutputRoot '$outputRoot' -TestStandWarmup detect -TestStandSuiteClass dual-plane-parity -TestStandLabVIEW64Path 'C:\Program Files\National Instruments\LabVIEW 2026\LabVIEW.exe' -TestStandLabVIEW32Path 'C:\Program Files (x86)\National Instruments\LabVIEW 2026\LabVIEW.exe' -TestStandAgentId 'hooke' -TestStandAgentClass 'subagent' -TestStandExecutionCellLeasePath '$leasePath' -TestStandExecutionCellId 'exec-cell-hooke-loop-01' -TestStandExecutionCellLeaseId 'lease-hooke-loop-01' -TestStandHarnessInstanceLeasePath '$harnessLeasePath' -TestStandHarnessInstanceId 'ts-loop-hooke-01' -TestStandRenderReport -TestStandCloseLabVIEW -TestStandCloseLVCompare -TestStandTimeoutSeconds 45 -TestStandReplaceFlags -FinalStatusJsonPath '$outDir/final.json'
 exit `$LASTEXITCODE
 "@
       Set-Content -LiteralPath $runner -Encoding UTF8 -Value $runnerContent
@@ -217,6 +218,20 @@ exit `$LASTEXITCODE
       $entries | ForEach-Object { $_.replaceFlags } | Sort-Object -Unique | Should -Be @($true)
       $entries | ForEach-Object { $_.flags } | ForEach-Object { $_ } | Sort-Object -Unique | Should -Be @('-bar','-foo','1')
 
+      $eventEntries = Get-Content -LiteralPath $jsonLogPath | ForEach-Object { $_ | ConvertFrom-Json }
+      $planEvent = $eventEntries | Where-Object { $_.type -eq 'plan' } | Select-Object -First 1
+      $planEvent.executionTopology.runtimeSurface | Should -Be 'windows-native-teststand'
+      $planEvent.executionTopology.processModelClass | Should -Be 'parallel-process-model'
+      $planEvent.executionTopology.executionCellLeaseId | Should -Be 'lease-hooke-loop-01'
+      $planEvent.executionTopology.harnessInstanceLeaseId | Should -Be 'harness-lease-hooke-loop-01'
+      $planEvent.executionTopology.harnessInstanceId | Should -Be 'ts-loop-hooke-01'
+
+      $lastHarnessResult = $eventEntries | Where-Object { $_.type -eq 'harnessResult' -and $_.PSObject.Properties.Name -contains 'exitCode' } | Select-Object -Last 1
+      $lastHarnessResult.executionTopology.executionCellLeaseId | Should -Be 'lease-hooke-loop-01'
+      $lastHarnessResult.executionTopology.harnessInstanceLeaseId | Should -Be 'harness-lease-session-hooke-loop-01'
+      $lastHarnessResult.executionTopology.harnessInstanceLeasePath | Should -Be (Join-Path (Join-Path $outputRoot 'iteration-0002') 'session-harness-lease.json')
+      $lastHarnessResult.executionTopology.harnessInstanceId | Should -Be 'session-ts-loop-hooke-01'
+
       $finalStatus = Get-Content -LiteralPath (Join-Path $outDir 'final.json') -Raw | ConvertFrom-Json
       $finalStatus.harness.path | Should -Be $harnessStub
       $finalStatus.harness.output | Should -Be $outputRoot