Add draggable GLB hierarchy tree and node origins

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

@@ -4,7 +4,8 @@
   "mode": "production-preview",
   "status": "verified",
   "checks": [
-    "eight GLB parts imported and rendered in the Three.js editor",
+    "eight GLB parts rendered with studio PMREM lighting and calibrated exposure",
+    "dragging GLB root tree nodes updates component parent hierarchy",
     "origin visibility, numeric translation/rotation and TransformControls mode update",
     "validated assembly exports a self-contained managed GLB",
     "validated hierarchy applied through LOAD_WORKSPACE with geometry and physical zero in userData",
@@ -14,7 +15,7 @@
   ],
   "browser_errors": [],
   "final": {
-    "program": "aborted",
+    "program": "running",
     "machine": "ON",
     "path": "linuxcnc/configs/sim/axis/vismach/5axis/table-rotary-tilting/demos/boat-xyzbc.ngc"
   }

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

@@ -4,7 +4,8 @@
   "mode": "development-source",
   "status": "verified",
   "checks": [
-    "eight GLB parts imported and rendered in the Three.js editor",
+    "eight GLB parts rendered with studio PMREM lighting and calibrated exposure",
+    "dragging GLB root tree nodes updates component parent hierarchy",
     "origin visibility, numeric translation/rotation and TransformControls mode update",
     "validated assembly exports a self-contained managed GLB",
     "validated hierarchy applied through LOAD_WORKSPACE with geometry and physical zero in userData",

coverage/glb-machine-manager/mill700/browser.report.json

@@ -8,7 +8,7 @@
     "sha256": "bf37130681cc6462412e52744519516e8ade2a3212dd69153c0b1b3e415bcf66"
   },
   "checks": [
-    "existing 132-node, depth-6 hierarchy preserved",
+    "existing 132-node, depth-6 hierarchy displayed as a draggable tree with node origins",
     "metallic MILL700 surfaces rendered with studio PMREM lighting; screenshot captured for visual review"
   ],
   "hierarchy": {