feat: establish reproducible FreeCAD web compatibility baseline

config/chrome-sketcher-diagnostics-verification.json

@@ -0,0 +1,37 @@
+{
+  "schemaVersion": 1,
+  "browserId": "chrome",
+  "crossOriginIsolated": true,
+  "status": "pass",
+  "fixtures": {
+    "reference": {
+      "status": "under-constrained",
+      "degreesOfFreedom": 3,
+      "diagnostic": true,
+      "unchangedEnd": true
+    },
+    "redundant": {
+      "status": "under-constrained",
+      "diagnostic": true
+    },
+    "conflicting": {
+      "status": "conflicting",
+      "diagnostic": true,
+      "notConverged": true
+    },
+    "coincident": {
+      "status": "under-constrained",
+      "residual": 0,
+      "sharedPoint": true
+    },
+    "block": {
+      "status": "solved",
+      "degreesOfFreedom": 0,
+      "unchanged": true
+    }
+  },
+  "opfs": {
+    "markerSuite": "SK-06/SK-07",
+    "markerRemoved": true
+  }
+}