feat: close builder mutation and roundtrip evidence gaps

scripts/freecad-partdesign-transform-oracle.py

@@ -4,6 +4,8 @@ import FreeCAD as App
 import Part
 import Sketcher
 
+from freecad_mutation_evidence import capture_property_mutation
+
 
 def version_text():
     return ".".join(str(value) for value in App.Version()[:3])
@@ -50,7 +52,9 @@ def feature_linear_pattern():
     pattern.Direction = (document.X_Axis, [""])
     pattern.Occurrences = 3
     pattern.Length = 12
+    mutation = capture_property_mutation(document, pattern, "Occurrences", 4)
     result = shape_result("linear-feature-list", document, pattern)
+    result["mutation"] = mutation
     result.update({
         "transformMode": pattern.TransformMode,
         "originals": [item.Name for item in pattern.Originals],
@@ -79,7 +83,9 @@ def feature_mirrored():
     mirrored.TransformMode = "Features"
     mirrored.Originals = [boss]
     mirrored.MirrorPlane = (document.YZ_Plane, [""])
+    mutation = capture_property_mutation(document, mirrored, "Refine", False)
     result = shape_result("mirrored-feature-list", document, mirrored)
+    result["mutation"] = mutation
     result.update({
         "transformMode": mirrored.TransformMode,
         "originals": [item.Name for item in mirrored.Originals],
@@ -105,7 +111,9 @@ def feature_polar_pattern():
     pattern.Occurrences = 4
     pattern.Refine = True
     body.addObject(pattern)
+    mutation = capture_property_mutation(document, pattern, "Occurrences", 3)
     result = shape_result("polar-feature-list", document, pattern)
+    result["mutation"] = mutation
     result.update({
         "transformMode": pattern.TransformMode,
         "originals": [item.Name for item in pattern.Originals],
@@ -149,7 +157,9 @@ def feature_multi_transform():
     polar.Occurrences = 4
     body.addObject(polar)
     multi.Transformations = [mirrored, linear, polar]
+    mutation = capture_property_mutation(document, multi, "Length", 15.0, target=linear, property_path="Transformations[1].Length")
     result = shape_result("multi-transform-feature-list", document, multi)
+    result["mutation"] = mutation
     result.update({
         "transformMode": multi.TransformMode,
         "originals": [item.Name for item in multi.Originals],
@@ -255,7 +265,9 @@ def iso_hole(modeled):
     hole.ThreadDirection = "Left" if modeled else "Right"
     hole.ThreadDepthType = "Dimension"
     hole.ThreadDepth = 6
+    mutation = capture_property_mutation(document, hole, "Diameter", 6.5)
     result = shape_result(case_id, document, hole)
+    result["mutation"] = mutation
     result.update({
         "threaded": bool(hole.Threaded),
         "modeled": bool(hole.ModelThread),