feat: 接入 SCDM 优先编辑闭环并支持阵列局部间距

接入 SCDM probe/edit/cache/校验链路，增强孔组、阵列、关系式和参数表交互。

支持阵列相邻段间距、移动意图切换、结果回滚校验，并补充对应回归脚本。

scripts/verify_property_card_editor_ui.py

@@ -49,6 +49,7 @@ from step_editor.window_state import (
     RELATION_FORMULA_OBJECT_COMPLETION_LIMIT,
     WindowStateMixin,
 )
+from step_editor.ui_helpers import _selection_mode_label, _selection_mode_value
 
 
 class _StatusBar:
@@ -86,7 +87,23 @@ class _PropertyTableProbe(QWidget, WindowStateMixin):
         self.scdm_feature_cache = None
         self.scdm_feature_cache_state = "empty"
         self.scdm_feature_cache_message = ""
-        self.scdm_edit_runner_ready = {"face.offset", "hole.diameter", "hole.position", "slot.position", "boss.position"}
+        self.scdm_edit_runner_ready = {
+            "face.offset",
+            "hole.diameter",
+            "hole.position",
+            "feature.fill",
+            "slot.width",
+            "slot.depth",
+            "slot.position",
+            "boss.diameter",
+            "boss.height",
+            "boss.position",
+            "round.radius",
+            "chamfer.distance",
+            "feature.delete_round_or_chamfer",
+            "pattern.spacing",
+            "pattern.segment_spacing",
+        }
 
         layout = QVBoxLayout(self)
         self.object_edit_box = self
@@ -1560,6 +1577,65 @@ def _assert_scdm_selection_diagnostics() -> None:
     _assert("偏移" in str(info.get("scdm_selection_enabled_capabilities")), f"SCDM enabled capability diagnostic missing: {info}")
 
 
+def _assert_solid_selection_does_not_expand_face_scdm_specs() -> None:
+    probe = _PropertyTableProbe()
+    probe.scdm_feature_cache_state = "ready"
+    probe.scdm_edit_runner_ready = {"face.offset"}
+    probe.scdm_feature_cache = {
+        "objects": [
+            {
+                "objectId": "face:0",
+                "objectType": "face",
+                "geometrySignature": {"faceIds": [0], "surfaceType": "plane", "planeOffset": 0.0},
+                "capabilities": [
+                    {
+                        "key": "face.offset",
+                        "displayName": "偏移",
+                        "currentValue": 0.0,
+                        "valueKind": "number",
+                        "defaultIntent": "推拉平面",
+                        "backendOperation": "pull_face_offset",
+                        "postCheck": "target_face_offset",
+                    }
+                ],
+            },
+            {
+                "objectId": "face:1",
+                "objectType": "face",
+                "geometrySignature": {"faceIds": [1], "surfaceType": "plane", "planeOffset": -5.0},
+                "capabilities": [
+                    {
+                        "key": "face.offset",
+                        "displayName": "偏移",
+                        "currentValue": -5.0,
+                        "valueKind": "number",
+                        "defaultIntent": "推拉平面",
+                        "backendOperation": "pull_face_offset",
+                        "postCheck": "target_face_offset",
+                    }
+                ],
+            },
+        ]
+    }
+    probe.selected_kind = "face"
+    probe.selected_face_id = 0
+    face_specs = probe._scdm_property_specs_for_selection()
+    _assert(
+        len([item for item in face_specs if item.get("scdm_capability_key") == "face.offset"]) == 1,
+        f"Face selection should show the selected Face SCDM offset only: {face_specs}",
+    )
+
+    probe.selected_kind = "solid"
+    probe.selected_face_id = None
+    probe.selected_solid_id = 0
+    probe.model = SimpleNamespace(face_solid_ids=[0, 0])
+    solid_specs = probe._scdm_property_specs_for_selection()
+    _assert(
+        solid_specs == [],
+        f"Solid selection should not expand every child Face SCDM offset into the parameter table: {solid_specs}",
+    )
+
+
 def _assert_operation_record_backend_sources() -> None:
     class _OperationRecordProbe(WindowActionMixin):
         pass
@@ -1718,6 +1794,10 @@ def _assert_large_model_preload_stays_lightweight() -> None:
     _assert("scdm_local_face_signatures" in window_body, "window SCDM preload should use the lightweight model signature API")
     _assert("quick_face_info" not in window_body, "window SCDM preload must not call quick_face_info for every Face")
     loaded_body = _function_text(PROJECT_ROOT / "step_editor/window_core.py", "_apply_loaded_model_result")
+    _assert(
+        "_restore_scdm_feature_cache_from_disk()" in loaded_body,
+        "STEP load should restore a matching SCDM disk cache before launching a new probe",
+    )
     _assert(
         "_defer_large_model_recognition_preloads" in loaded_body,
         "large model loads should defer full external recognition preloads by default",
@@ -1727,6 +1807,10 @@ def _assert_large_model_preload_stays_lightweight() -> None:
         "SCDM edit-result reloads should still be able to force cache refresh for validation",
     )
     preload_body = _function_text(PROJECT_ROOT / "step_editor/window_core.py", "_start_scdm_probe_preload")
+    _assert(
+        "_current_scdm_feature_cache_matches_loaded_step()" in preload_body,
+        "SCDM preload should skip relaunching SpaceClaim when a current cache is already installed",
+    )
     _assert(
         "local_face_signatures = self._scdm_local_face_signatures()" not in preload_body,
         "SCDM preload must not build all local Face signatures on the UI thread",
@@ -1866,6 +1950,53 @@ def _assert_large_planar_offset_prefers_local_backend() -> None:
     _assert("SCDM" in str(probe.scdm_selection_status_message), "backend preference should explain that SCDM was bypassed")
 
 
+def _assert_scdm_target_values_use_backend_units() -> None:
+    probe = _PropertyTableProbe()
+    offset = probe._scdm_property_target_value(
+        {"scdm_capability_key": "face.offset", "value_type": "number", "scdm_unit_scale": 0.001},
+        "2.5",
+    )
+    _assert(abs(float(offset) - 0.0025) <= 1.0e-12, f"SCDM numeric targets should be converted back to backend units: {offset}")
+    position = probe._scdm_property_target_value(
+        {"scdm_capability_key": "hole.position", "value_type": "vector3", "scdm_unit_scale": 0.001},
+        "(1, 2, 3)",
+    )
+    _assert(position == [0.001, 0.002, 0.003], f"SCDM vector targets should be converted back to backend units: {position}")
+    spacing_spec = {"label": "阵列间距", "value_type": "positive", "max_value": 1.3571428571428572}
+    _assert(
+        not probe._property_target_validation_error(spacing_spec, "1.1"),
+        "pattern spacing targets within the support face range should be accepted",
+    )
+    spacing_error = probe._property_target_validation_error(spacing_spec, "2")
+    _assert(
+        "阵列间距" in spacing_error and "1.35714" in spacing_error,
+        f"pattern spacing beyond the support face range should be blocked in the UI: {spacing_error}",
+    )
+
+
+def _assert_selection_mode_labels_are_english() -> None:
+    expected = {
+        "Feature": "Feature",
+        "Face": "Face",
+        "Edge": "Edge",
+        "Solid": "Solid",
+        "Part": "Part",
+    }
+    for value, label in expected.items():
+        _assert(_selection_mode_label(value) == label, f"selection mode {value} should display as English: {_selection_mode_label(value)}")
+        _assert(_selection_mode_value(label) == value, f"selection mode label {label} should resolve to {value}")
+    for legacy, value in {
+        "智能特征": "Feature",
+        "特征": "Feature",
+        "面": "Face",
+        "边": "Edge",
+        "实体": "Solid",
+        "零件": "Part",
+        "装配零件": "Part",
+    }.items():
+        _assert(_selection_mode_value(legacy) == value, f"legacy selection label {legacy} should resolve to {value}")
+
+
 def _assert_background_load_uses_worker() -> None:
     body = _function_text(PROJECT_ROOT / "step_editor/window_core.py", "_load_step_background_or_sync")
     _assert("LoadWorker(action)" in body, "background STEP load should run through LoadWorker")
@@ -1891,6 +2022,8 @@ def main() -> int:
         not top_level_label_probe.shown_labels,
         f"property labels were shown as transient top-level windows: {top_level_label_probe.shown_labels}",
     )
+    _assert_scdm_target_values_use_backend_units()
+    _assert_selection_mode_labels_are_english()
     _assert_property_table_editor(probe)
     _assert(probe.current_capability_button.text() == "软件进度", "software progress should be a compact button")
     _assert("当前支持" in probe.current_capability_button.toolTip(), "software progress button tooltip did not show supported areas")
@@ -1952,6 +2085,7 @@ def main() -> int:
     _assert_relation_formula_ids_follow_model_remap()
     _assert_mouse_selection_guards()
     _assert_scdm_selection_diagnostics()
+    _assert_solid_selection_does_not_expand_face_scdm_specs()
     _assert_operation_record_backend_sources()
     _assert_scdm_auto_prompt()
     _assert_property_ui_reroute_guards()