diff --git a/wasm-port/tests/browser/ini_panel_workflow_overview_smoke.html b/wasm-port/tests/browser/ini_panel_workflow_overview_smoke.html
index d1a6140..eb54271 100644
--- a/wasm-port/tests/browser/ini_panel_workflow_overview_smoke.html
+++ b/wasm-port/tests/browser/ini_panel_workflow_overview_smoke.html
@@ -12,6 +12,7 @@
       createVirtualHalCommandScriptFixtureReport,
       createVirtualHalMotionControllerMatrixReport,
       createVirtualHalSimConfigMacroLoadFixtureReport,
+      createVirtualHalSimConfigEvidenceExpansionReport,
       createVirtualHalSimConfigPromotionCandidateReport,
       createVirtualHalSimConfigSourceCoverageReport,
       createVirtualHalSimulationReplacementReport,
@@ -95,6 +96,12 @@
         !workflowApi?.getWorkflowOverviewReleaseReadinessArtifactGateExecutionSummaryDomReadiness ||
         !workflowApi?.renderWorkflowOverviewReleaseReadinessArtifactGateExecutionSummaryState ||
         !workflowApi?.mountWorkflowOverviewReleaseReadinessArtifactGateExecutionSummaryState ||
+        !workflowApi?.getWorkflowOverviewPromotionCandidateDrilldownViewModel ||
+        !workflowApi?.getWorkflowOverviewPromotionCandidateDrilldownRenderState ||
+        !workflowApi?.getWorkflowOverviewPromotionCandidateDrilldownDomContract ||
+        !workflowApi?.getWorkflowOverviewPromotionCandidateDrilldownDomReadiness ||
+        !workflowApi?.renderWorkflowOverviewPromotionCandidateDrilldownState ||
+        !workflowApi?.mountWorkflowOverviewPromotionCandidateDrilldownState ||
         !workflowApi?.getWorkflowOverviewReleaseReadinessArtifactDisplayViewModel ||
         !workflowApi?.getWorkflowOverviewReleaseReadinessArtifactRenderState ||
         !workflowApi?.getWorkflowOverviewReleaseReadinessArtifactDomContract ||
@@ -368,6 +375,29 @@
           renderState: releaseArtifactJsonWorkflowRenderState,
         });
       const diagnosticsVirtualHalState = createVirtualHalState();
+      const diagnosticsMotionControllerMatrix = createVirtualHalMotionControllerMatrixReport({
+        manifestEntries: VIRTUAL_HAL_MOTION_MATRIX_MANIFEST_ENTRIES,
+      });
+      const diagnosticsPromotionCandidates = createVirtualHalSimConfigPromotionCandidateReport({
+        manifestEntries: [
+          ...VIRTUAL_HAL_MOTION_MATRIX_MANIFEST_ENTRIES,
+          "linuxcnc/configs/sim/qtdragon/qtdragon_xyz45/qtdragon_xyza.ini",
+          "linuxcnc/configs/sim/qtdragon/qtdragon_xyz45/on_abort.ngc",
+          "linuxcnc/configs/sim/qtdragon_hd/qtdragon_hd_z_compensation/qtdragon_hd_z_compensation.ini",
+          "linuxcnc/configs/sim/qtdragon_hd/qtdragon_hd_z_compensation/on_abort.ngc",
+          "linuxcnc/configs/sim/axis/vismach/puma/puma_seam_weld.ngc",
+          "linuxcnc/configs/sim/axis/rose_engine/rose_engine.ini",
+          "linuxcnc/configs/sim/axis/rose_engine/rcone_demo.ngc",
+        ],
+        motionControllerMatrix: diagnosticsMotionControllerMatrix,
+      });
+      const diagnosticsEvidenceExpansion = createVirtualHalSimConfigEvidenceExpansionReport({
+        manifestEntries: [
+          ...VIRTUAL_HAL_MOTION_MATRIX_MANIFEST_ENTRIES,
+          "linuxcnc/configs/sim/axis/vismach/puma/puma_cube.ini",
+        ],
+        motionControllerMatrix: diagnosticsMotionControllerMatrix,
+      });
       const diagnosticsArtifact = {
         apiName: "real-browser-simulation-diagnostics-artifact",
         artifactVersion: 1,
@@ -375,21 +405,8 @@
         virtualHalSimulationReplacement: createVirtualHalSimulationReplacementReport(diagnosticsVirtualHalState),
         virtualHalSourceCompliance: createVirtualHalSourceComplianceReport({ halState: diagnosticsVirtualHalState }),
         virtualHalSimConfigSourceCoverage: createVirtualHalSimConfigSourceCoverageReport(),
-        virtualHalSimConfigPromotionCandidates: createVirtualHalSimConfigPromotionCandidateReport({
-          manifestEntries: [
-            ...VIRTUAL_HAL_MOTION_MATRIX_MANIFEST_ENTRIES,
-            "linuxcnc/configs/sim/qtdragon/qtdragon_xyz45/qtdragon_xyza.ini",
-            "linuxcnc/configs/sim/qtdragon/qtdragon_xyz45/on_abort.ngc",
-            "linuxcnc/configs/sim/qtdragon_hd/qtdragon_hd_z_compensation/qtdragon_hd_z_compensation.ini",
-            "linuxcnc/configs/sim/qtdragon_hd/qtdragon_hd_z_compensation/on_abort.ngc",
-            "linuxcnc/configs/sim/axis/vismach/puma/puma_seam_weld.ngc",
-            "linuxcnc/configs/sim/axis/rose_engine/rose_engine.ini",
-            "linuxcnc/configs/sim/axis/rose_engine/rcone_demo.ngc",
-          ],
-          motionControllerMatrix: createVirtualHalMotionControllerMatrixReport({
-            manifestEntries: VIRTUAL_HAL_MOTION_MATRIX_MANIFEST_ENTRIES,
-          }),
-        }),
+        virtualHalSimConfigPromotionCandidates: diagnosticsPromotionCandidates,
+        virtualHalSimConfigEvidenceExpansion: diagnosticsEvidenceExpansion,
         virtualHalPromotionCandidateSummary: {
           apiName: "real-browser-simulation-promotion-candidate-summary",
           summaryVersion: 1,
@@ -417,9 +434,7 @@
           ],
         }),
         virtualHalCommandScriptFixtures: createVirtualHalCommandScriptFixtureReport({ halState: diagnosticsVirtualHalState }),
-        virtualHalMotionControllerMatrix: createVirtualHalMotionControllerMatrixReport({
-          manifestEntries: VIRTUAL_HAL_MOTION_MATRIX_MANIFEST_ENTRIES,
-        }),
+        virtualHalMotionControllerMatrix: diagnosticsMotionControllerMatrix,
       };
       const diagnosticsSessionNestedArtifact = { ...diagnosticsArtifact };
       diagnosticsArtifact.virtualHalSessionDiagnostics = {
@@ -831,6 +846,44 @@
         "17 source files",
         "workflow overview fixed URL workflow form source file count row",
       );
+      assertEqual(
+        workflowDoc.querySelector("[data-workflow-overview-promotion-candidate-drilldown]").dataset.handoffReady,
+        "true",
+        "workflow overview promotion candidate drilldown ready dataset",
+      );
+      assertEqual(
+        workflowDoc.querySelector("[data-workflow-overview-promotion-candidate-drilldown]").dataset.candidateId,
+        "qtdragon-multi-joint-on-abort",
+        "workflow overview promotion candidate drilldown candidate dataset",
+      );
+      assertEqual(
+        workflowDoc.querySelectorAll(
+          '[data-workflow-overview-promotion-candidate-drilldown-evidence-ready="true"]',
+        ).length,
+        16,
+        "workflow overview promotion candidate drilldown evidence-ready DOM nodes",
+      );
+      assertEqual(
+        workflowDoc.querySelector(
+          '[data-workflow-overview-promotion-candidate-drilldown-value="evidence-7"]',
+        )?.textContent,
+        "linuxcnc/configs/sim/axis/vismach/puma/puma_seam_weld.ngc",
+        "workflow overview promotion candidate drilldown PUMA evidence row",
+      );
+      assertEqual(
+        workflowDoc.querySelector(
+          '[data-workflow-overview-promotion-candidate-drilldown-value="evidence-7"]',
+        )?.dataset.workflowOverviewPromotionCandidateDrilldownFamilyId,
+        "vismach-remap-sims",
+        "workflow overview promotion candidate drilldown PUMA family",
+      );
+      assertEqual(
+        workflowDoc.querySelector(
+          '[data-workflow-overview-promotion-candidate-drilldown-value="evidence-7"]',
+        )?.dataset.workflowOverviewPromotionCandidateDrilldownSourceFileCount,
+        "3",
+        "workflow overview promotion candidate drilldown PUMA source count",
+      );
       assertEqual(
         workflowDoc.querySelector('[data-workflow-overview-release-readiness-artifact-url-workflow-action-plan-value="next-command"]').textContent,
         "none",