Improve machine manager engineering workbench

coverage/glb-machine-manager/workbench/browser.report.json

@@ -0,0 +1,14 @@
+{
+  "report_id": "GLB-MGR-E14",
+  "status": "verified",
+  "url": "http://127.0.0.1:5180/",
+  "checks": [
+    "search expands real nested nodes; axis overview locates selection; binding undo/redo",
+    "empty input preserves last pose; repeated selection/input does not concatenate; single-axis step and reset",
+    "TRT forbidden offset blocks export before build; calibration undo/redo",
+    "view presets and selected fitting; deletion undo restores model with all axis bindings",
+    "failed batch import leaves existing assembly intact",
+    "live mode locks edits; desktop, short viewport and narrow viewport keep footer visible without overflow"
+  ],
+  "errors": []
+}