diff --git a/agent99-control-plane.ps1 b/agent99-control-plane.ps1
index 3226cbdc5..fb342cb5a 100644
--- a/agent99-control-plane.ps1
+++ b/agent99-control-plane.ps1
@@ -5643,6 +5643,11 @@ function Invoke-AgentCompletionCallback {
     $alertId = [string](Get-AgentObjectValue $Result "alertId" "")
     $callbackIncidentId = Get-AgentCompletionCallbackIncidentId $Result $alertId
     $correlationKey = [string](Get-AgentObjectValue $Result "correlationKey" "")
+    $identity = Get-AgentObjectValue $Result "identity" $null
+    $canonicalProjectId = [string](Get-AgentObjectValue $identity "project_id" "")
+    $canonicalRunId = [string](Get-AgentObjectValue $identity "run_id" "")
+    $canonicalTraceId = [string](Get-AgentObjectValue $identity "trace_id" "")
+    $canonicalWorkItemId = [string](Get-AgentObjectValue $identity "work_item_id" "")
     $callbackId = Convert-AgentSafeKey "agent99:$resultId`:$outcomeState"
     $evidencePath = [string](Get-AgentObjectValue $Result "evidence" "")
     $visualPath = [string](Get-AgentObjectValue $TelegramAttempt "visualPath" "")
@@ -5650,10 +5655,10 @@ function Invoke-AgentCompletionCallback {
     $payload = [ordered]@{
       schema_version = "agent99_completion_callback_v1"
       callback_id = $callbackId
-      project_id = "awoooi"
-      run_id = $resultId
-      trace_id = if ($correlationKey) { $correlationKey } else { $resultId }
-      work_item_id = if ($alertId) { "agent99-incident:$alertId" } else { "agent99-command:$resultId" }
+      project_id = if ($canonicalProjectId) { $canonicalProjectId } else { "awoooi" }
+      run_id = if ($canonicalRunId) { $canonicalRunId } else { $resultId }
+      trace_id = if ($canonicalTraceId) { $canonicalTraceId } elseif ($correlationKey) { $correlationKey } else { $resultId }
+      work_item_id = if ($canonicalWorkItemId) { $canonicalWorkItemId } elseif ($alertId) { "agent99-incident:$alertId" } else { "agent99-command:$resultId" }
       alert_id = $callbackIncidentId
       correlation_key = if ($correlationKey) { $correlationKey } else { $null }
       source = [string](Get-AgentObjectValue $Result "source" "agent99")
diff --git a/apps/api/tests/test_agent99_control_plane_outcome_contract.py b/apps/api/tests/test_agent99_control_plane_outcome_contract.py
index 249860762..7f18c6a94 100644
--- a/apps/api/tests/test_agent99_control_plane_outcome_contract.py
+++ b/apps/api/tests/test_agent99_control_plane_outcome_contract.py
@@ -150,6 +150,19 @@ def test_agent99_completion_callback_uses_bounded_canonical_incident_id() -> Non
     assert "alert_id = if ($alertId)" not in source
 
 
+def test_agent99_completion_callback_preserves_canonical_execution_identity() -> None:
+    source = _CONTROL_PLANE.read_text(encoding="utf-8")
+
+    assert '$identity = Get-AgentObjectValue $Result "identity" $null' in source
+    assert 'Get-AgentObjectValue $identity "project_id" ""' in source
+    assert 'Get-AgentObjectValue $identity "run_id" ""' in source
+    assert 'Get-AgentObjectValue $identity "trace_id" ""' in source
+    assert 'Get-AgentObjectValue $identity "work_item_id" ""' in source
+    assert "run_id = if ($canonicalRunId)" in source
+    assert "trace_id = if ($canonicalTraceId)" in source
+    assert "work_item_id = if ($canonicalWorkItemId)" in source
+
+
 def test_agent99_backupcheck_reads_offsite_and_escrow_without_mutation() -> None:
     source = _CONTROL_PLANE.read_text(encoding="utf-8")
     readback = source[