feat: 完善 SCDM-first 参数化编辑交付版

step_editor/model.py

@@ -479,6 +479,7 @@ class StepModel(FeatureMixin, ExportMixin, TransformMixin, OperationMixin, Polyd
                         "same_domain_v_range",
                         "same_domain_height_estimate",
                         "same_domain_range_source",
+                        "selected_angular_span",
                     ):
                         if key in hint:
                             info[key] = hint[key]
@@ -656,7 +657,33 @@ class StepModel(FeatureMixin, ExportMixin, TransformMixin, OperationMixin, Polyd
         if angular_span is None:
             angular_span = _float_or_none(info.get("angular_span")) or 0.0
         is_full = bool(info.get("is_full_cylinder")) or angular_span >= math.tau * 0.92
+        selected_span = (
+            _float_or_none(info.get("selected_angular_span"))
+            or _float_or_none(info.get("slot_angular_span"))
+            or _float_or_none(info.get("angular_span"))
+            or angular_span
+        )
+        try:
+            same_domain_count = int(info.get("same_domain_face_count", 1) or 1)
+        except (TypeError, ValueError):
+            same_domain_count = 1
+        is_blind_split_groove = (
+            is_full
+            and same_domain_count > 1
+            and 1e-6 < selected_span < math.tau * 0.92
+            and str(info.get("cylinder_end_type") or "") == "blind"
+            and guess == "hole/groove candidate"
+        )
         if guess == "hole/groove candidate":
+            if is_blind_split_groove:
+                return {
+                    "feature_type": "圆柱孔/槽候选",
+                    "feature_edit_actions": (
+                        "调整圆柱孔径或槽/凹槽宽度、深度；"
+                        "具体按孔还是按槽会在完整识别时根据周围同类特征确认。"
+                    ),
+                    "blind_split_cylindrical_pocket": True,
+                }
             if not is_full:
                 return {
                     "feature_type": "槽/半孔候选",
@@ -861,6 +888,7 @@ class StepModel(FeatureMixin, ExportMixin, TransformMixin, OperationMixin, Polyd
             "same_domain_face_count": len(side_face_ids),
             "feature_highlight_face_ids": tuple(side_face_ids),
             "angular_span": combined_span,
+            "selected_angular_span": selected_span,
             "same_domain_angular_span": combined_span,
             "same_domain_note": same_domain_note,
             "is_full_cylinder": combined_span >= math.tau * 0.92,
@@ -2813,6 +2841,7 @@ class StepModel(FeatureMixin, ExportMixin, TransformMixin, OperationMixin, Polyd
         bottom_face_ids = end_faces["bottom_face_ids"]
         opening_face_ids = end_faces["opening_face_ids"]
         guess = str(info.get("feature_guess", "cylindrical face"))
+        selected_angular_span = _float_or_none(info.get("angular_span")) or combined_angular_span
         has_two_axial_caps = bool(end_faces["start_end_face_ids"] and end_faces["end_end_face_ids"])
         support_face_ids_for_round = sorted(set(adjacent_face_ids) - set(end_face_ids))
         material_toward = str(info.get("material_toward_axis", "") or "")
@@ -2832,13 +2861,37 @@ class StepModel(FeatureMixin, ExportMixin, TransformMixin, OperationMixin, Polyd
                 "cocylindrical region has material inside its axis and explicit planar caps at both ends"
             )
             domain_info["feature_guess"] = info["feature_guess"]
-        slot_info = self._cylindrical_slot_info(face_id, adjacent_face_ids, end_face_ids, domain_info)
+        is_blind_split_cylindrical_pocket = (
+            guess == "hole/groove candidate"
+            and len(side_face_ids) > 1
+            and combined_angular_span >= math.tau * 0.92
+            and 1e-6 < selected_angular_span < math.tau * 0.92
+            and str(info.get("cylinder_end_type") or "") == "blind"
+            and bool(bottom_face_ids)
+            and bool(opening_face_ids)
+        )
+        slot_domain_info = dict(domain_info)
+        if is_blind_split_cylindrical_pocket:
+            slot_domain_info["angular_span"] = selected_angular_span
+            slot_domain_info["is_full_cylinder"] = False
+        slot_info = self._cylindrical_slot_info(face_id, adjacent_face_ids, end_face_ids, slot_domain_info)
         fillet_info = self._cylindrical_existing_fillet_info(face_id, adjacent_face_ids, end_face_ids, domain_info)
+        try:
+            slot_pair_candidate_count = int(slot_info.get("slot_pair_candidate_count", 0) or 0)
+        except (TypeError, ValueError):
+            slot_pair_candidate_count = 0
+        is_blind_split_cylindrical_groove = (
+            is_blind_split_cylindrical_pocket
+            and slot_pair_candidate_count >= 10
+        )
 
         guess = str(info.get("feature_guess", "cylindrical face"))
-        angular_span = combined_angular_span
+        angular_span = selected_angular_span if is_blind_split_cylindrical_groove else combined_angular_span
         if guess == "hole/groove candidate":
-            if angular_span < math.tau * 0.92:
+            if is_blind_split_cylindrical_groove:
+                feature_type = "盲槽/圆柱凹槽候选"
+                edit_actions = "调整槽/凹槽宽度；调整槽/凹槽深度；调整圆弧长度；调整圆弧角度"
+            elif angular_span < math.tau * 0.92:
                 feature_type = "槽/半孔候选"
                 edit_actions = "调整圆柱孔径；调整槽/半孔宽度；调整槽/半孔深度；调整槽/半孔圆弧长度；调整槽/半孔圆弧角度；调整槽孔总长度"
             else:
@@ -2848,7 +2901,7 @@ class StepModel(FeatureMixin, ExportMixin, TransformMixin, OperationMixin, Polyd
                 edit_actions += "；调整盲孔/盲槽深度"
             else:
                 edit_actions += "；孔深调整需要明确盲孔底面"
-            if angular_span >= math.tau * 0.92:
+            if angular_span >= math.tau * 0.92 and not is_blind_split_cylindrical_groove:
                 edit_actions += "；封堵圆柱孔"
         elif guess == "round/fillet candidate":
             fillet_status = str(fillet_info.get("existing_fillet_status") or "")
@@ -2868,7 +2921,9 @@ class StepModel(FeatureMixin, ExportMixin, TransformMixin, OperationMixin, Polyd
         else:
             feature_type = "未明确圆柱特征"
             edit_actions = "可尝试调整圆柱孔径，但风险较高。"
-        if str(slot_info.get("slot_status") or "") == "blocked":
+        if str(slot_info.get("slot_status") or "") == "blocked" and (
+            is_blind_split_cylindrical_groove or angular_span < math.tau * 0.92
+        ):
             feature_type = "复杂槽/多槽组候选（暂不支持修改）"
             edit_actions = "只读诊断；当前不开放槽宽、槽深、弧长、弧角或槽轴心修改。"
 
@@ -2900,7 +2955,8 @@ class StepModel(FeatureMixin, ExportMixin, TransformMixin, OperationMixin, Polyd
                 "same_domain_height_estimate": axis_range["span"],
                 "same_domain_angular_span": combined_angular_span,
                 "angular_span": combined_angular_span,
-                "is_full_cylinder": combined_angular_span >= math.tau * 0.92,
+                "is_full_cylinder": combined_angular_span >= math.tau * 0.92 and not is_blind_split_cylindrical_groove,
+                "blind_split_cylindrical_groove": is_blind_split_cylindrical_groove,
                 "same_domain_range_source": axis_range["range_source"],
                 "same_domain_face_ids": tuple(side_face_ids),
                 "same_domain_face_count": len(side_face_ids),
@@ -2921,7 +2977,15 @@ class StepModel(FeatureMixin, ExportMixin, TransformMixin, OperationMixin, Polyd
             }
         )
         result.update(self._asitus_cylindrical_feature_hint_fields(face_id, result))
-        if angular_span >= math.tau * 0.92:
+        if is_blind_split_cylindrical_groove:
+            result["angular_span"] = selected_angular_span
+            result.setdefault("slot_kind", "partial-cylindrical-groove")
+            result.setdefault("slot_status", "candidate")
+            result.setdefault(
+                "slot_note",
+                "同域碎面合并后接近完整圆柱，但当前对象只有一个开口和一个底面，按盲槽/圆柱凹槽处理。",
+            )
+        elif angular_span >= math.tau * 0.92:
             result.update(
                 {
                     "slot_kind": "",
@@ -2938,7 +3002,7 @@ class StepModel(FeatureMixin, ExportMixin, TransformMixin, OperationMixin, Polyd
                 }
             )
         scoped_readiness_info = dict(result)
-        scoped_readiness_info["angular_span"] = combined_angular_span
+        scoped_readiness_info["angular_span"] = angular_span
         scoped_readiness_info["height_estimate"] = axis_range["span"]
         scoped_readiness_info["feature_guess"] = guess
         if guess == "hole/groove candidate":
@@ -2966,7 +3030,9 @@ class StepModel(FeatureMixin, ExportMixin, TransformMixin, OperationMixin, Polyd
                     "resize_note": "当前对象已识别为圆角/倒圆；请使用已有圆角半径入口，不按孔径重切。",
                 }
             )
-        if str(slot_info.get("slot_status") or "") == "blocked":
+        if str(slot_info.get("slot_status") or "") == "blocked" and (
+            is_blind_split_cylindrical_groove or angular_span < math.tau * 0.92
+        ):
             blocker = str(slot_info.get("slot_blockers") or "当前槽/半孔属于复杂槽或多槽组，暂不开放稳定修改。")
             result.update(
                 {