diff --git a/Tools/windows/Invoke-MatchedActionSupplement.ps1 b/Tools/windows/Invoke-MatchedActionSupplement.ps1
index 2140cdbc..94a11e99 100644
--- a/Tools/windows/Invoke-MatchedActionSupplement.ps1
+++ b/Tools/windows/Invoke-MatchedActionSupplement.ps1
@@ -84,6 +84,7 @@ $leaseWindow=Get-CapLeaseWindow -GrantedUtc $authorization.grantedUtc `
     -NowUtc ([DateTime]::UtcNow)
 $leaseDeadlineUtc=$leaseWindow.WorkerDeadlineUtc
 $focusedCapture=$true
+$actionSupplementMode=$true
 $rehearsal=$false
 $transitionRehearsal=$false
 $fixtureHash=(Get-FileHash $fixturePath -Algorithm SHA256).Hash
@@ -147,6 +148,7 @@ $manifest=[ordered]@{
     receipts=@($actionSupplementReceipts)
     receiptCount=[long]$actionSupplementReceipts.Count
     providerReceipts=@($zmxSeedReceipts)
+    processJournal=@($journalEntries)
     cleanup=@($cleanupReceipts)
     cleanupFailures=@($cleanupFailures)
     independentSurvivors=@($independent)
diff --git a/Tools/windows/Invoke-UiCaptureWorker.ps1 b/Tools/windows/Invoke-UiCaptureWorker.ps1
index 51eb6c6a..a99d7b1e 100644
--- a/Tools/windows/Invoke-UiCaptureWorker.ps1
+++ b/Tools/windows/Invoke-UiCaptureWorker.ps1
@@ -13,6 +13,7 @@ $modulePath = Join-Path $PSScriptRoot 'UiCaptureDriver.psm1'
 $rehearsal = $false
 $transitionRehearsal = $false
 $focusedCapture = $false
+$actionSupplementMode = $false
 $matchedCapturePlan = $null
 $rehearsalLaunches = [Collections.Generic.List[object]]::new()
 $rehearsalActions = [Collections.Generic.List[object]]::new()
@@ -175,12 +176,15 @@ function Write-CapProcessJournal {
         }
     }
     if ($index -ge 0) { $journalEntries[$index] = $entry } else { $journalEntries.Add($entry) }
-    Write-CapWorkerJournalSnapshot -Kind 'Progress'
+    if (-not $actionSupplementMode) {
+        Write-CapWorkerJournalSnapshot -Kind 'Progress'
+    }
 }
 
 function Write-CapWorkerJournalSnapshot {
     param([ValidateSet('Bootstrap','Progress','Terminal')][string]$Kind,
         [string]$Outcome = 'CAPTURING')
+    if ($actionSupplementMode) {return}
     if ($null -eq $journalState) { throw 'Worker journal was not initialized before publication.' }
     $progressManifest=if ($transitionRehearsal) {
         [pscustomobject][ordered]@{
diff --git a/Tools/windows/Tests/UiCaptureDriver.Tests.ps1 b/Tools/windows/Tests/UiCaptureDriver.Tests.ps1
index 5005934d..eba166ca 100644
--- a/Tools/windows/Tests/UiCaptureDriver.Tests.ps1
+++ b/Tools/windows/Tests/UiCaptureDriver.Tests.ps1
@@ -3017,7 +3017,10 @@ function Invoke-CapMatchedContracts {
             $actionPrepareSource.Contains("status='PREPARED_NO_AUTHORITY'") -and
             $actionPrepareSource.Contains("pngArtifacts=0L") -and
             $actionInvokeSource.Contains('-DefinitionsOnly') -and
+            $actionInvokeSource.Contains('$actionSupplementMode=$true') -and
             $actionInvokeSource.Contains("'RELEASED_ZERO_SURVIVORS'") -and
+            $workerSource.Contains('if (-not $actionSupplementMode)') -and
+            $workerSource.Contains('if ($actionSupplementMode) {return}') -and
             $splitDown.Name -ceq 'Split Down' -and
             $splitDown.AutomationId -ceq (Get-CapMatchedAutomationId 'workspace-split-down:control') -and
             $workerSource.Contains("-Action 'attention-action'") -and