feat: establish reproducible FreeCAD web compatibility baseline

config/chrome-mesh-verification.json

@@ -0,0 +1,55 @@
+{
+  "schemaVersion": 1,
+  "status": "pass",
+  "browserId": "chrome",
+  "crossOriginIsolated": true,
+  "geometry": {
+    "sourceShape": "shape-msi8t4og-1",
+    "vertices": 8,
+    "triangles": 12,
+    "boundaryEdges": 0,
+    "nonManifoldEdges": 0,
+    "degenerateTriangles": 0,
+    "selfIntersections": 0,
+    "surfaceArea": 304
+  },
+  "operations": {
+    "welded": 16,
+    "transformedMin": [
+      -6.5,
+      -1,
+      -3
+    ],
+    "objBytes": 340,
+    "objHash": "5e92b07b682e0a4a0133b556494a2c11cacf97ed901579efde985dd270a1213a",
+    "plyBytes": 479,
+    "stlBytes": 1371,
+    "lodTriangles": 6,
+    "workerLodTriangles": 6
+  },
+  "repairs": {
+    "selfIntersectionFixture": 1,
+    "nonManifoldFixture": 1,
+    "holeFilledTriangles": 1
+  },
+  "persistence": {
+    "mode": "sqlite-opfs",
+    "byteLength": 259,
+    "hash": "47984c2196fe7d53e5e9bc8f25796ab0da32a24fdefef0c688ae5d3f8ec78dd1",
+    "roundTrip": true,
+    "released": true
+  },
+  "opfs": {
+    "markerSuite": "MESH-CORE",
+    "triangles": 12,
+    "markerRemoved": true
+  },
+  "afterRelease": {
+    "shapeCount": 0,
+    "kernelReferenceCount": 0
+  },
+  "browser": {
+    "product": "Chrome/150.0.7871.128",
+    "userAgent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/150.0.0.0 Safari/537.36"
+  }
+}