feat: 完善Face保持关系守门与大模型预判

step_editor/model.py

@@ -729,6 +729,14 @@ class StepModel(FeatureMixin, ExportMixin, TransformMixin, OperationMixin, Polyd
                     center=_tuple_or_none(info.get("area_center")),
                 )
             )
+            try:
+                info.update(self.face_first_level_topology(face_id))
+                info.update(self.face_first_level_facts(face_id, scope="face"))
+            except Exception as exc:
+                info.setdefault("topology_relation_status", "unavailable")
+                info.setdefault("topology_relation_message", str(exc))
+                info.setdefault("first_level_planar_relation_status", "unavailable")
+                info.setdefault("first_level_planar_relation_summary", str(exc))
         elif surface_type == GeomAbs_Cylinder:
             cyl = surf.Cylinder()
             axis = cyl.Axis()
@@ -1737,6 +1745,12 @@ class StepModel(FeatureMixin, ExportMixin, TransformMixin, OperationMixin, Polyd
     ) -> dict[str, object]:
         if info.get("surface") != "plane":
             return {}
+        boundary_edge_ids = self._face_boundary_edge_ids(face_id)
+        inner_boundary_wires = int(info.get("inner_boundary_wires", 0) or 0)
+        if inner_boundary_wires > 1:
+            return {}
+        if inner_boundary_wires == 1 and len(boundary_edge_ids) < 6:
+            return {}
         if str(prismatic_info.get("prismatic_feature_semantics") or "") in {"additive-boss", "subtractive-pocket"}:
             return {}
         try:
@@ -1748,7 +1762,6 @@ class StepModel(FeatureMixin, ExportMixin, TransformMixin, OperationMixin, Polyd
         except Exception:
             return {}
 
-        boundary_edge_ids = self._face_boundary_edge_ids(face_id)
         adjacent_face_ids = sorted(set(self._adjacent_face_ids_for_edges(boundary_edge_ids, face_id)) - {face_id})
         if len(adjacent_face_ids) < 6:
             return {}
@@ -2340,6 +2353,8 @@ class StepModel(FeatureMixin, ExportMixin, TransformMixin, OperationMixin, Polyd
         shell_info: dict[str, object],
         prismatic_info: dict[str, object],
     ) -> dict[str, object]:
+        if bool(info.get("has_inner_boundaries")) or int(info.get("inner_boundary_wires", 0) or 0) > 0:
+            return {}
         try:
             solid_id = int(info.get("solid_id", -1))
         except (TypeError, ValueError):