fix: 恢复 init_db.py 等全部缺失文件 + LLM 集成

git_src.txt

@@ -0,0 +1,85 @@
+src/api/__init__.py
+src/api/aluminum_price_routes.py
+src/api/auth_routes.py
+src/api/inventory/__init__.py
+src/api/inventory/customer_routes.py
+src/api/inventory/dashboard_routes.py
+src/api/inventory/finance_routes.py
+src/api/inventory/inventory_routes.py
+src/api/inventory/material_routes.py
+src/api/inventory/product_routes.py
+src/api/inventory/purchase_order_routes.py
+src/api/inventory/sales_order_routes.py
+src/api/inventory/schemas/__init__.py
+src/api/inventory/schemas/common_schemas.py
+src/api/inventory/schemas/customer_schemas.py
+src/api/inventory/schemas/finance_schemas.py
+src/api/inventory/schemas/inventory_schemas.py
+src/api/inventory/schemas/material_schemas.py
+src/api/inventory/schemas/product_schemas.py
+src/api/inventory/schemas/purchase_order_schemas.py
+src/api/inventory/schemas/sales_order_schemas.py
+src/api/inventory/schemas/stock_movement_schemas.py
+src/api/inventory/schemas/supplier_schemas.py
+src/api/inventory/schemas/warehouse_schemas.py
+src/api/inventory/stock_movement_routes.py
+src/api/inventory/supplier_routes.py
+src/api/inventory/utils.py
+src/api/inventory/warehouse_routes.py
+src/api/routes.py
+src/api/v1/__init__.py
+src/api/v1/advanced_router.py
+src/api/v1/cam_router.py
+src/api/v1/debug_router.py
+src/api/v1/health_router.py
+src/api/v1/history_router.py
+src/api/v1/task_router.py
+src/api/v1/upload_router.py
+src/core/__init__.py
+src/core/ai_mold_assistant.py
+src/core/ai_parting_detector.py
+src/core/aluminum_foam_mold.py
+src/core/base_mold_generator.py
+src/core/cad_exporter.py
+src/core/cavity_layout_optimizer.py
+src/core/geometry_analyzer.py
+src/core/mesh_generator.py
+src/core/mold_cam.py
+src/core/mold_generator.py
+src/core/mold_machining.py
+src/core/mold_quality_inspector.py
+src/core/mold_system_designer.py
+src/core/multi_scheme_planner.py
+src/core/parting_candidate_generator.py
+src/core/parting_scheme_scorer.py
+src/core/side_action_designer.py
+src/core/stp_parser.py
+src/database/__init__.py
+src/database/database.py
+src/database/init_db.py
+src/database/migrate_db.py
+src/main.py
+src/models/database.py
+src/models/schemas.py
+src/scripts/create_admin.py
+src/services/__init__.py
+src/services/aluminum_price_service.py
+src/services/auth_service.py
+src/services/calculation_service.py
+src/services/cam_bundle_service.py
+src/services/material_service.py
+src/services/processing_service.py
+src/services/redis_task_manager.py
+src/services/storage_integration.py
+src/services/storage_integration_rustfs.py
+src/services/storage_service.py
+src/services/task_query_service.py
+src/services/verification_service.py
+src/storage/__init__.py
+src/storage/init_storage.py
+src/storage/object_storage.py
+src/storage/rustfs_storage.py
+src/utils/__init__.py
+src/utils/file_handler.py
+src/utils/html_generator.py
+src/utils/logger.py

local_src.txt

@@ -0,0 +1,110 @@
+src/main.py
+src/api/aluminum_price_routes.py
+src/api/auth_routes.py
+src/api/routes.py
+src/api/__init__.py
+src/api/inventory/customer_routes.py
+src/api/inventory/dashboard_routes.py
+src/api/inventory/finance_routes.py
+src/api/inventory/inventory_routes.py
+src/api/inventory/material_routes.py
+src/api/inventory/product_routes.py
+src/api/inventory/purchase_order_routes.py
+src/api/inventory/sales_order_routes.py
+src/api/inventory/stock_movement_routes.py
+src/api/inventory/supplier_routes.py
+src/api/inventory/utils.py
+src/api/inventory/warehouse_routes.py
+src/api/inventory/__init__.py
+src/api/inventory/schemas/common_schemas.py
+src/api/inventory/schemas/customer_schemas.py
+src/api/inventory/schemas/finance_schemas.py
+src/api/inventory/schemas/inventory_schemas.py
+src/api/inventory/schemas/material_schemas.py
+src/api/inventory/schemas/product_schemas.py
+src/api/inventory/schemas/purchase_order_schemas.py
+src/api/inventory/schemas/sales_order_schemas.py
+src/api/inventory/schemas/stock_movement_schemas.py
+src/api/inventory/schemas/supplier_schemas.py
+src/api/inventory/schemas/warehouse_schemas.py
+src/api/inventory/schemas/__init__.py
+src/api/inventory/__pycache__/__init__.cpython-312.pyc
+src/api/v1/advanced_router.py
+src/api/v1/cam_router.py
+src/api/v1/debug_router.py
+src/api/v1/health_router.py
+src/api/v1/history_router.py
+src/api/v1/task_router.py
+src/api/v1/upload_router.py
+src/api/v1/__init__.py
+src/api/v1/__pycache__/advanced_router.cpython-312.pyc
+src/api/v1/__pycache__/upload_router.cpython-312.pyc
+src/api/v1/__pycache__/__init__.cpython-312.pyc
+src/api/__pycache__/aluminum_price_routes.cpython-312.pyc
+src/api/__pycache__/routes.cpython-312.pyc
+src/api/__pycache__/__init__.cpython-312.pyc
+src/core/ai_mold_assistant.py
+src/core/ai_parting_detector.py
+src/core/aluminum_foam_mold.py
+src/core/cad_exporter.py
+src/core/cavity_layout_optimizer.py
+src/core/geometry_analyzer.py
+src/core/mesh_generator.py
+src/core/mold_cam.py
+src/core/mold_generator.py
+src/core/mold_machining.py
+src/core/mold_quality_inspector.py
+src/core/mold_system_designer.py
+src/core/multi_scheme_planner.py
+src/core/parting_candidate_generator.py
+src/core/parting_scheme_scorer.py
+src/core/side_action_designer.py
+src/core/stp_parser.py
+src/core/__init__.py
+src/core/__pycache__/ai_parting_detector.cpython-312.pyc
+src/core/__pycache__/aluminum_foam_mold.cpython-312.pyc
+src/core/__pycache__/base_mold_generator.cpython-312.pyc
+src/core/__pycache__/cad_exporter.cpython-312.pyc
+src/core/__pycache__/mold_generator.cpython-312.pyc
+src/core/__pycache__/multi_scheme_planner.cpython-312.pyc
+src/core/__pycache__/side_action_designer.cpython-312.pyc
+src/core/__pycache__/stp_parser.cpython-312.pyc
+src/core/__pycache__/__init__.cpython-312.pyc
+src/database/database.py
+src/database/migrate_db.py
+src/database/__init__.py
+src/database/__pycache__/database.cpython-312.pyc
+src/database/__pycache__/__init__.cpython-312.pyc
+src/models/database.py
+src/models/schemas.py
+src/models/__pycache__/schemas.cpython-312.pyc
+src/scripts/create_admin.py
+src/services/aluminum_price_service.py
+src/services/auth_service.py
+src/services/calculation_service.py
+src/services/cam_bundle_service.py
+src/services/llm_service.py
+src/services/material_service.py
+src/services/processing_service.py
+src/services/redis_task_manager.py
+src/services/storage_integration.py
+src/services/storage_integration_rustfs.py
+src/services/storage_service.py
+src/services/task_query_service.py
+src/services/verification_service.py
+src/services/__init__.py
+src/services/__pycache__/aluminum_price_service.cpython-312.pyc
+src/services/__pycache__/processing_service.cpython-312.pyc
+src/services/__pycache__/verification_service.cpython-312.pyc
+src/services/__pycache__/__init__.cpython-312.pyc
+src/storage/init_storage.py
+src/storage/object_storage.py
+src/storage/rustfs_storage.py
+src/storage/__init__.py
+src/utils/file_handler.py
+src/utils/logger.py
+src/utils/__init__.py
+src/utils/__pycache__/html_generator.cpython-312.pyc
+src/utils/__pycache__/logger.cpython-312.pyc
+src/utils/__pycache__/__init__.cpython-312.pyc
+src/__pycache__/main.cpython-312.pyc

src/api/routes.py

@@ -1116,20 +1116,10 @@ async def process_file_core(
             logger.info("FreeCAD验证已禁用（设置 ENABLE_FREECAD_VERIFICATION=true 启用）")
             verification_result = {"status": "disabled", "reason": "FreeCAD验证已禁用"}
 
-        # 9.8 LLM 增强分析（可选，不影响主流程）
+        # 9.8 LLM 增强分析
         llm_report = None
-        llm_parting = None
         if analysis_result:
-            llm_report = await llm_service.generate_design_report(
+            llm_report = await llm_service.generate_design_report(analysis_result, detailed_cavity_json)
-                analysis_result, detailed_cavity_json
-            )
-            # 分型推荐：当前无候选方案时跳过
-            candidate_schemes = detailed_cavity_json.get("candidate_schemes", [])
-            if candidate_schemes:
-                llm_parting = await llm_service.recommend_parting_direction(
-                    geometry_data, candidate_schemes, selected_material,
-                    cavity_count=cavity_count,
-                )
 
         # 10. 完成处理
         await storage_service.update_stp_file_status(db_session, stp_file_id, "completed")
@@ -1146,7 +1136,6 @@ async def process_file_core(
         tasks[task_id]["html_file"] = f"/html/{Path(html_file_path).name}"  # 只使用文件名
         tasks[task_id]["verification"] = verification_result  # 添加验证结果
         tasks[task_id]["llm_report"] = llm_report
-        tasks[task_id]["llm_parting_recommendation"] = llm_parting
         tasks[task_id]["status"] = ProcessingStatus.COMPLETED
         tasks[task_id]["completed_at"] = str(datetime.now())
 

src/core/base_mold_generator.py

@@ -0,0 +1,905 @@
+from typing import Dict, List, Any, Tuple, Optional
+import math
+import numpy as np
+from OCC.Core.BRepOffsetAPI import BRepOffsetAPI_DraftAngle
+from OCC.Core.BRepAlgoAPI import BRepAlgoAPI_Cut, BRepAlgoAPI_Section, BRepAlgoAPI_Common
+from OCC.Core.BRepBuilderAPI import BRepBuilderAPI_MakeFace, BRepBuilderAPI_Transform
+from OCC.Core.BRepPrimAPI import BRepPrimAPI_MakeBox, BRepPrimAPI_MakeHalfSpace
+from OCC.Core.gp import gp_Pln, gp_Dir, gp_Pnt, gp_Trsf, gp_Ax2
+from OCC.Core.TopoDS import TopoDS_Face, topods
+from OCC.Core.BRep import BRep_Tool
+from OCC.Core.BRepMesh import BRepMesh_IncrementalMesh
+from OCC.Core.GProp import GProp_GProps
+from OCC.Core.BRepGProp import brepgprop
+from OCC.Core.TopExp import TopExp_Explorer
+from OCC.Core.TopAbs import TopAbs_FACE, TopAbs_EDGE
+from OCC.Core.BRepAdaptor import BRepAdaptor_Surface, BRepAdaptor_Curve
+from OCC.Core.Bnd import Bnd_Box
+from OCC.Core.BRepBndLib import brepbndlib
+from OCC.Core.TopLoc import TopLoc_Location
+
+from models.schemas import create_mold_cavity_data, create_mold_key_info
+from utils.logger import get_logger
+
+logger = get_logger(__name__)
+
+
+class BaseMoldGenerator:
+    """模具生成器基类 - 提供共用方法"""
+
+    def __init__(self, shrinkage_rate: float = 0.005, draft_angle: float = 2.0,
+                 material_density: float = 1.05):
+        self.shrinkage_rate = shrinkage_rate
+        self.draft_angle = draft_angle
+        self.material_density = material_density
+
+        self.ai_parting_detector: Optional[Any] = None
+        self.ai_draft_analyzer: Optional[Any] = None
+
+    def set_ai_model(self, parting_detector: Any = None, draft_analyzer: Any = None):
+        self.ai_parting_detector = parting_detector
+        self.ai_draft_analyzer = draft_analyzer
+        logger.info("AI 模型接口已设置")
+
+    def _apply_shrinkage_compensation(self, shape: Any) -> Any:
+        scale_factor = 1.0 + self.shrinkage_rate
+        trsf = gp_Trsf()
+        trsf.SetScale(gp_Pnt(0, 0, 0), scale_factor)
+        try:
+            scaled_shape = BRepBuilderAPI_Transform(shape, trsf, True).Shape()
+            logger.info(f"收缩率补偿: {self.shrinkage_rate*100:.2f}%, 缩放因子: {scale_factor:.4f}")
+            return scaled_shape
+        except Exception as e:
+            logger.warning(f"收缩率补偿失败: {e}")
+            return shape
+
+    def _apply_draft_angles(self, shape: Any, parting_surface: Any) -> Any:
+        try:
+            draft_direction = self._get_draft_direction(parting_surface)
+            if draft_direction is None:
+                logger.warning("无法确定拔模方向，跳过拔模处理")
+                return shape
+
+            draft_angle_rad = math.radians(self.draft_angle)
+            draftable_faces = self._find_draftable_faces(shape, draft_direction)
+
+            if not draftable_faces:
+                logger.info("未找到需要拔模的面，跳过拔模处理")
+                return shape
+
+            logger.info(f"应用拔模角: {self.draft_angle}°, {len(draftable_faces)} 个面")
+
+            drafted_shape = self._execute_draft(shape, draftable_faces, draft_direction, draft_angle_rad)
+            return drafted_shape
+
+        except Exception as e:
+            logger.warning(f"拔模角处理失败，返回原始形状: {e}")
+            return shape
+
+    def _get_draft_direction(self, parting_surface: Any) -> Optional[gp_Dir]:
+        try:
+            surface = BRepAdaptor_Surface(parting_surface)
+            if surface.GetType() == 0:
+                return surface.Plane().Position().Direction()
+            return gp_Dir(0, 0, 1)
+        except Exception:
+            return gp_Dir(0, 0, 1)
+
+    def _find_draftable_faces(self, shape: Any, draft_direction: gp_Dir) -> List[Any]:
+        draftable = []
+        explorer = TopExp_Explorer(shape, TopAbs_FACE)
+
+        while explorer.More():
+            face = topods.Face(explorer.Current())
+            normal = self._get_face_normal(face)
+
+            if normal is not None:
+                dot = abs(normal.Dot(draft_direction))
+                angle = math.degrees(math.acos(min(dot, 1.0)))
+                if 5.0 < angle < 85.0:
+                    draftable.append(face)
+
+            explorer.Next()
+
+        return draftable
+
+    def _get_face_normal(self, face: Any) -> Optional[gp_Dir]:
+        try:
+            surface = BRepAdaptor_Surface(face)
+            u = (surface.FirstUParameter() + surface.LastUParameter()) / 2
+            v = (surface.FirstVParameter() + surface.LastVParameter()) / 2
+
+            if surface.GetType() == 0:
+                return surface.Plane().Position().Direction()
+
+            from OCC.Core.BRepLProp import BRepLProp_SLProps
+            props = BRepLProp_SLProps(surface, 1, 0.001)
+            props.SetParameters(u, v)
+            if props.IsNormalDefined():
+                return props.Normal()
+
+            return None
+        except Exception:
+            return None
+
+    def _execute_draft(self, shape: Any, faces: List[Any],
+                       draft_direction: gp_Dir, draft_angle_rad: float) -> Any:
+        try:
+            draft = BRepOffsetAPI_DraftAngle(shape)
+
+            for face in faces:
+                try:
+                    normal = self._get_face_normal(face)
+                    if normal is None:
+                        continue
+
+                    dot = normal.Dot(draft_direction)
+                    if dot > 0:
+                        face_dir = draft_direction
+                    else:
+                        face_dir = gp_Dir(-draft_direction.X(), -draft_direction.Y(), -draft_direction.Z())
+
+                    draft.Add(face, face_dir, draft_angle_rad, True)
+                except Exception:
+                    continue
+
+            draft.Build()
+
+            if draft.IsDone():
+                logger.info(f"拔模角应用成功: {len(faces)} 个面, {self.draft_angle}°")
+                return draft.Shape()
+            else:
+                logger.warning("BRepOffsetAPI_DraftAngle 构建失败，尝试逐面拔模")
+                return self._draft_faces_sequentially(shape, faces, draft_direction, draft_angle_rad)
+
+        except Exception as e:
+            logger.warning(f"拔模执行失败: {e}")
+            return shape
+
+    def _draft_faces_sequentially(self, shape: Any, faces: List[Any],
+                                   draft_direction: gp_Dir, draft_angle_rad: float) -> Any:
+        current_shape = shape
+        success_count = 0
+
+        for face in faces:
+            try:
+                draft = BRepOffsetAPI_DraftAngle(current_shape)
+                normal = self._get_face_normal(face)
+                if normal is None:
+                    continue
+
+                dot = normal.Dot(draft_direction)
+                if dot > 0:
+                    face_dir = draft_direction
+                else:
+                    face_dir = gp_Dir(-draft_direction.X(), -draft_direction.Y(), -draft_direction.Z())
+
+                draft.Add(face, face_dir, draft_angle_rad, True)
+                draft.Build()
+
+                if draft.IsDone():
+                    current_shape = draft.Shape()
+                    success_count += 1
+            except Exception:
+                continue
+
+        if success_count > 0:
+            logger.info(f"逐面拔模完成: {success_count}/{len(faces)} 个面成功")
+        else:
+            logger.warning("逐面拔模全部失败，返回原始形状")
+
+        return current_shape
+
+    def _analyze_product_geometry(self, shape: Any) -> Dict[str, Any]:
+        try:
+            props = GProp_GProps()
+            brepgprop.VolumeProperties(shape, props)
+            volume = props.Mass()
+
+            surface_props = GProp_GProps()
+            brepgprop.SurfaceProperties(shape, surface_props)
+            surface_area = surface_props.Mass()
+
+            center = props.CentreOfMass()
+
+            bbox = Bnd_Box()
+            brepbndlib.Add(shape, bbox)
+            xmin, ymin, zmin, xmax, ymax, zmax = bbox.Get()
+
+            inertia = props.MatrixOfInertia()
+
+            return {
+                "volume": volume,
+                "surface_area": surface_area,
+                "center_of_mass": [float(center.X()), float(center.Y()), float(center.Z())],
+                "bounding_box": {
+                    "min": [float(xmin), float(ymin), float(zmin)],
+                    "max": [float(xmax), float(ymax), float(zmax)],
+                    "center": [float((xmin+xmax)/2), float((ymin+ymax)/2), float((zmin+zmax)/2)],
+                    "dimensions": [float(xmax-xmin), float(ymax-ymin), float(zmax-zmin)]
+                },
+                "inertia_matrix": self._get_inertia_matrix(props)
+            }
+        except Exception as e:
+            logger.error(f"产品几何分析失败: {e}")
+            raise
+
+    def _split_cavity_core(self, shape: Any, parting_surface: Any, margin: int = 20) -> Tuple[Any, Any]:
+        """
+        用分型面将模具块切分为A板（上模/型腔）和B板（下模/型芯），
+        然后从每个板中减去产品形状的对应部分。
+
+        流程：
+        1. 创建完整模具块（产品包围盒 + 全方向余量）
+        2. 用分型面将模具块切分为 A板 和 B板
+        3. A板 - 产品 = 型腔（凹模）
+        4. B板 - 产品 = 型芯（凸模）
+        """
+        try:
+            bbox = Bnd_Box()
+            brepbndlib.Add(shape, bbox)
+            xmin, ymin, zmin, xmax, ymax, zmax = bbox.Get()
+
+            mold_xmin = xmin - margin
+            mold_ymin = ymin - margin
+            mold_zmin = zmin - margin
+            mold_xmax = xmax + margin
+            mold_ymax = ymax + margin
+            mold_zmax = zmax + margin
+
+            mold_block = BRepPrimAPI_MakeBox(
+                gp_Pnt(mold_xmin, mold_ymin, mold_zmin),
+                gp_Pnt(mold_xmax, mold_ymax, mold_zmax)
+            ).Shape()
+
+            parting_plane = self._get_parting_plane(parting_surface, shape)
+            if parting_plane is None:
+                logger.warning("无法提取分型面平面，使用回退方案")
+                center_z = (zmin + zmax) / 2
+                parting_plane = gp_Pln(gp_Pnt(0, 0, center_z), gp_Dir(0, 0, 1))
+
+            a_plate, b_plate = self._split_mold_block_by_plane(mold_block, parting_plane)
+
+            if a_plate is not None and b_plate is not None:
+                cavity = self._subtract_product_from_plate(a_plate, shape, "型腔(A板)")
+                core = self._subtract_product_from_plate(b_plate, shape, "型芯(B板)")
+
+                if cavity is not None and core is not None:
+                    logger.info("型腔/型芯分离完成（分型面切分+布尔减）")
+                    return cavity, core
+                elif cavity is not None:
+                    logger.warning("型芯生成失败，使用产品形状")
+                    return cavity, shape
+                elif core is not None:
+                    logger.warning("型腔生成失败，使用模具块")
+                    return mold_block, core
+
+            logger.warning("A/B板切分不完全，回退到原方案")
+            return self._split_cavity_core_fallback(shape, mold_block)
+
+        except Exception as e:
+            logger.error(f"型腔分离失败: {e}")
+            return self._split_cavity_core_fallback(shape, None)
+
+    def _get_parting_plane(self, parting_surface: Any, shape: Any) -> Optional[gp_Pln]:
+        """从分型面提取平面方程"""
+        try:
+            surface = BRepAdaptor_Surface(parting_surface)
+            if surface.GetType() == 0:
+                return surface.Plane()
+
+            bbox = Bnd_Box()
+            brepbndlib.Add(shape, bbox)
+            xmin, ymin, zmin, xmax, ymax, zmax = bbox.Get()
+            center_z = (zmin + zmax) / 2
+            return gp_Pln(gp_Pnt(0, 0, center_z), gp_Dir(0, 0, 1))
+
+        except Exception as e:
+            logger.warning(f"分型面平面提取失败: {e}")
+            return None
+
+    def _split_mold_block_by_plane(self, mold_block: Any,
+                                    parting_plane: gp_Pln) -> Tuple[Any, Any]:
+        """
+        用分型面将模具块切分为A板（上模）和B板（下模）
+
+        方法：使用半空间体与模具块的布尔交集运算
+        - A板 = 模具块 ∩ 分型面上方半空间
+        - B板 = 模具块 ∩ 分型面下方半空间
+        """
+        try:
+            plane_origin = parting_plane.Location()
+            plane_normal = parting_plane.Axis().Direction()
+
+            ref_point_above = gp_Pnt(
+                plane_origin.X() + plane_normal.X() * 10,
+                plane_origin.Y() + plane_normal.Y() * 10,
+                plane_origin.Z() + plane_normal.Z() * 10
+            )
+            ref_point_below = gp_Pnt(
+                plane_origin.X() - plane_normal.X() * 10,
+                plane_origin.Y() - plane_normal.Y() * 10,
+                plane_origin.Z() - plane_normal.Z() * 10
+            )
+
+            half_space_above = BRepPrimAPI_MakeHalfSpace(
+                BRepBuilderAPI_MakeFace(parting_plane).Face(),
+                ref_point_above
+            ).Shape()
+
+            half_space_below = BRepPrimAPI_MakeHalfSpace(
+                BRepBuilderAPI_MakeFace(parting_plane).Face(),
+                ref_point_below
+            ).Shape()
+
+            a_plate_op = BRepAlgoAPI_Common(mold_block, half_space_above)
+            a_plate = None
+            if a_plate_op.IsDone():
+                a_plate = a_plate_op.Shape()
+                logger.info("A板（上模）切分成功")
+            else:
+                logger.warning("A板切分失败")
+
+            b_plate_op = BRepAlgoAPI_Common(mold_block, half_space_below)
+            b_plate = None
+            if b_plate_op.IsDone():
+                b_plate = b_plate_op.Shape()
+                logger.info("B板（下模）切分成功")
+            else:
+                logger.warning("B板切分失败")
+
+            return a_plate, b_plate
+
+        except Exception as e:
+            logger.error(f"A/B板分离失败: {e}")
+            return None, None
+
+    def _subtract_product_from_plate(self, plate: Any, product: Any,
+                                      plate_name: str) -> Any:
+        """从模板中减去产品形状，生成型腔或型芯"""
+        try:
+            cut_op = BRepAlgoAPI_Cut(plate, product)
+            if cut_op.IsDone():
+                result = cut_op.Shape()
+                logger.info(f"{plate_name}减去产品成功")
+                return result
+            else:
+                logger.warning(f"{plate_name}布尔减运算失败")
+                return plate
+        except Exception as e:
+            logger.warning(f"{plate_name}减产品失败: {e}")
+            return plate
+
+    def _split_cavity_core_fallback(self, shape: Any,
+                                     mold_block: Optional[Any] = None) -> Tuple[Any, Any]:
+        """
+        分模回退方案：用边界框中心面作为分型面切分模具块。
+        """
+        logger.warning("使用分模回退方案")
+
+        try:
+            bbox = Bnd_Box()
+            brepbndlib.Add(shape, bbox)
+            xmin, ymin, zmin, xmax, ymax, zmax = bbox.Get()
+
+            margin = 20
+            if mold_block is None:
+                mold_block = BRepPrimAPI_MakeBox(
+                    gp_Pnt(xmin - margin, ymin - margin, zmin - margin),
+                    gp_Pnt(xmax + margin, ymax + margin, zmax + margin)
+                ).Shape()
+
+            center_z = (zmin + zmax) / 2
+            parting_plane = gp_Pln(gp_Pnt(0, 0, center_z), gp_Dir(0, 0, 1))
+            a_plate, b_plate = self._split_mold_block_by_plane(mold_block, parting_plane)
+
+            if a_plate is not None and b_plate is not None:
+                cavity = self._subtract_product_from_plate(a_plate, shape, "型腔(回退)")
+                core = self._subtract_product_from_plate(b_plate, shape, "型芯(回退)")
+                if cavity is not None and core is not None:
+                    logger.info("回退方案型腔/型芯分离完成")
+                    return cavity, core
+
+            cavity = self._subtract_product_from_plate(mold_block, shape, "型腔(兜底)")
+            return cavity or mold_block, shape
+
+        except Exception as e:
+            logger.error(f"分模回退方案失败: {e}")
+            try:
+                bbox = Bnd_Box()
+                brepbndlib.Add(shape, bbox)
+                xmin, ymin, zmin, xmax, ymax, zmax = bbox.Get()
+                margin = 20
+                cavity_block = BRepPrimAPI_MakeBox(
+                    gp_Pnt(xmin - margin, ymin - margin, zmin - margin),
+                    gp_Pnt(xmax + margin, ymax + margin, zmax + margin)
+                ).Shape()
+                cavity = self._subtract_product_from_plate(cavity_block, shape, "型腔(兜底)")
+                return cavity or cavity_block, shape
+            except Exception:
+                return shape, shape
+
+    def detect_insert_regions(self, shape: Any, analysis: Dict,
+                               depth_threshold: float = 30.0,
+                               aspect_threshold: float = 3.0) -> List[Dict[str, Any]]:
+        """
+        检测需要独立镶件的区域
+
+        镶件判定条件：
+        1. 深腔区域（深度超过阈值）
+        2. 细长特征（长径比超过阈值）
+        3. 易磨损区域（尖锐角落、薄壁）
+        4. 精密特征（高精度要求的局部区域）
+
+        Args:
+            shape: 产品形状
+            analysis: 几何分析结果
+            depth_threshold: 深腔深度阈值 mm
+            aspect_threshold: 长径比阈值
+
+        Returns:
+            镶件区域列表
+        """
+        inserts = []
+
+        try:
+            bbox = analysis.get("bounding_box", {})
+            dims = bbox.get("dimensions", [0, 0, 0])
+            center = bbox.get("center", [0, 0, 0])
+
+            if dims[2] > depth_threshold:
+                inserts.append({
+                    "type": "deep_cavity_insert",
+                    "location": center,
+                    "depth": dims[2],
+                    "reason": f"型腔深度 {dims[2]:.1f}mm 超过阈值 {depth_threshold}mm",
+                    "insert_type": "core_pin",
+                    "priority": "high"
+                })
+
+            explorer = TopExp_Explorer(shape, TopAbs_FACE)
+            face_idx = 0
+
+            while explorer.More():
+                face = topods.Face(explorer.Current())
+                face_idx += 1
+
+                try:
+                    surface = BRepAdaptor_Surface(face)
+
+                    face_props = GProp_GProps()
+                    brepgprop.SurfaceProperties(face, face_props)
+                    area = face_props.Mass()
+
+                    if area < 1.0 and area > 0.001:
+                        bbox_face = Bnd_Box()
+                        brepbndlib.Add(face, bbox_face)
+                        try:
+                            fxmin, fymin, fzmin, fxmax, fymax, fzmax = bbox_face.Get()
+                            f_dims = [fxmax - fxmin, fymax - fymin, fzmax - fzmin]
+                            max_dim = max(f_dims)
+                            min_dim = min(f_dims)
+
+                            if min_dim > 0.01 and max_dim / min_dim > aspect_threshold:
+                                face_center = [
+                                    float((fxmin + fxmax) / 2),
+                                    float((fymin + fymax) / 2),
+                                    float((fzmin + fzmax) / 2)
+                                ]
+
+                                inserts.append({
+                                    "type": "slender_feature_insert",
+                                    "location": face_center,
+                                    "aspect_ratio": max_dim / min_dim,
+                                    "reason": f"细长特征，长径比 {max_dim/min_dim:.1f}",
+                                    "insert_type": "core_pin",
+                                    "priority": "medium",
+                                    "face_index": face_idx
+                                })
+                        except Exception:
+                            pass
+
+                    if surface.GetType() == 1:
+                        radius = surface.Cylinder().Radius()
+                        if radius < 3.0 and radius > 0.1:
+                            cyl_axis = surface.Cylinder().Position().Axis()
+                            cyl_loc = cyl_axis.Location()
+
+                            inserts.append({
+                                "type": "small_hole_insert",
+                                "location": [float(cyl_loc.X()), float(cyl_loc.Y()), float(cyl_loc.Z())],
+                                "radius": float(radius),
+                                "reason": f"小孔特征，半径 {radius:.2f}mm",
+                                "insert_type": "core_pin",
+                                "priority": "high",
+                                "face_index": face_idx
+                            })
+
+                except Exception:
+                    pass
+
+                explorer.Next()
+
+            if not inserts:
+                logger.info("未检测到需要镶件的区域")
+            else:
+                logger.info(f"检测到 {len(inserts)} 个镶件区域")
+
+        except Exception as e:
+            logger.warning(f"镶件检测失败: {e}")
+
+        return inserts
+
+    def _extract_shape_geometry(self, shape: Any, shape_type: str) -> Dict[str, Any]:
+        try:
+            mesh = BRepMesh_IncrementalMesh(shape, 0.1)
+            mesh.Perform()
+
+            vertices = []
+            faces = []
+
+            explorer = TopExp_Explorer(shape, TopAbs_FACE)
+            vertex_index = 0
+
+            while explorer.More():
+                face = explorer.Current()
+                location = TopLoc_Location()
+                triangulation = BRep_Tool.Triangulation(face, location)
+
+                if triangulation:
+                    nb_nodes = triangulation.NbNodes()
+                    for i in range(1, nb_nodes + 1):
+                        node = triangulation.Node(i)
+                        transformed = node.Transformed(location.Transformation())
+                        vertices.extend([
+                            float(transformed.X()),
+                            float(transformed.Y()),
+                            float(transformed.Z())
+                        ])
+
+                    nb_triangles = triangulation.NbTriangles()
+                    for i in range(1, nb_triangles + 1):
+                        triangle = triangulation.Triangle(i)
+                        idx1 = triangle.Value(1) + vertex_index - 1
+                        idx2 = triangle.Value(2) + vertex_index - 1
+                        idx3 = triangle.Value(3) + vertex_index - 1
+                        faces.extend([int(idx1), int(idx2), int(idx3)])
+
+                    vertex_index += nb_nodes
+
+                explorer.Next()
+
+            vertex_count = len(vertices) // 3
+            face_count = len(faces) // 3
+
+            return {
+                "type": shape_type,
+                "vertices": vertices,
+                "faces": faces,
+                "vertex_count": vertex_count,
+                "face_count": face_count,
+            }
+
+        except Exception as e:
+            logger.error(f"{shape_type}几何提取失败: {e}")
+            return {
+                "type": shape_type,
+                "vertices": [],
+                "faces": [],
+                "vertex_count": 0,
+                "face_count": 0,
+            }
+
+    def _extract_plane_metadata(self, surface: Any) -> Dict[str, Any]:
+        """从分型面提取平面元数据（法向量、原点、边界）"""
+        metadata = {
+            "normal": [0.0, 0.0, 1.0],
+            "origin": [0.0, 0.0, 0.0],
+            "bounds": {"min": [0.0, 0.0, 0.0], "max": [0.0, 0.0, 0.0]},
+        }
+        try:
+            surface_adaptor = BRepAdaptor_Surface(surface)
+            if surface_adaptor.GetType() == 0:
+                plane = surface_adaptor.Plane()
+                axis = plane.Axis()
+                normal = axis.Direction()
+                origin = plane.Location()
+                metadata["normal"] = [float(normal.X()), float(normal.Y()), float(normal.Z())]
+                metadata["origin"] = [float(origin.X()), float(origin.Y()), float(origin.Z())]
+
+            bbox = Bnd_Box()
+            brepbndlib.Add(surface, bbox)
+            xmin, ymin, zmin, xmax, ymax, zmax = bbox.Get()
+            metadata["bounds"] = {
+                "min": [float(xmin), float(ymin), float(zmin)],
+                "max": [float(xmax), float(ymax), float(zmax)],
+            }
+        except Exception as e:
+            logger.warning(f"提取平面元数据失败: {e}")
+        return metadata
+
+    def _calculate_product_weight(self, analysis: Dict) -> str:
+        volume_cm3 = analysis.get("volume", 0) / 1000
+        weight_g = volume_cm3 * self.material_density
+        return f"{weight_g:.2f} g"
+
+    def _assess_warpage_risk(self, analysis: Dict) -> str:
+        bbox = analysis.get("bounding_box", {}).get("dimensions", [1, 1, 1])
+        aspect_ratio = max(bbox) / min(bbox) if min(bbox) > 0 else 1
+
+        if aspect_ratio > 5:
+            return "高 - 建议增加加强筋"
+        elif aspect_ratio > 3:
+            return "中 - 需优化冷却"
+        else:
+            return "低"
+
+    def _get_inertia_matrix(self, props: GProp_GProps) -> List[List[float]]:
+        inertia = props.MatrixOfInertia()
+        return [
+            [inertia.Value(1, 1), inertia.Value(1, 2), inertia.Value(1, 3)],
+            [inertia.Value(2, 1), inertia.Value(2, 2), inertia.Value(2, 3)],
+            [inertia.Value(3, 1), inertia.Value(3, 2), inertia.Value(3, 3)]
+        ]
+
+    def _calculate_parting_line_length(self, parting_line: List) -> float:
+        if not parting_line or len(parting_line) < 2:
+            return 0.0
+
+        total_length = 0.0
+        for i in range(1, len(parting_line)):
+            p1 = np.array(parting_line[i-1])
+            p2 = np.array(parting_line[i])
+            segment_length = np.linalg.norm(p2 - p1)
+            total_length += segment_length
+
+        return total_length
+
+    def _calculate_parting_line(self, shape: Any, parting_surface: Any) -> List[List[float]]:
+        try:
+            section = BRepAlgoAPI_Section(shape, parting_surface)
+            section.Build()
+
+            if not section.IsDone():
+                logger.warning("截面运算未完成，使用简化分型线")
+                return self._simple_parting_line(shape)
+
+            edges = []
+            explorer = TopExp_Explorer(section.Shape(), TopAbs_EDGE)
+
+            while explorer.More():
+                edge = explorer.Current()
+
+                curve = BRepAdaptor_Curve(edge)
+                first_param = curve.FirstParameter()
+                last_param = curve.LastParameter()
+
+                num_points = max(10, int((last_param - first_param) / 0.5))
+                step = (last_param - first_param) / num_points
+
+                for i in range(num_points + 1):
+                    param = first_param + i * step
+                    point = curve.Value(param)
+                    edges.append([point.X(), point.Y(), point.Z()])
+
+                explorer.Next()
+
+            if not edges:
+                logger.warning("未找到交线，使用简化分型线")
+                return self._simple_parting_line(shape)
+
+            logger.info(f"计算得到 {len(edges)} 个分型线点")
+            return edges
+
+        except Exception as e:
+            logger.error(f"分型线计算失败: {e}")
+            return self._simple_parting_line(shape)
+
+    def _simple_parting_line(self, shape: Any) -> List[List[float]]:
+        try:
+            bbox = Bnd_Box()
+            brepbndlib.Add(shape, bbox)
+            xmin, ymin, zmin, xmax, ymax, zmax = bbox.Get()
+            center_z = (zmin + zmax) / 2
+
+            return [
+                [xmin, ymin, center_z],
+                [xmax, ymin, center_z],
+                [xmax, ymax, center_z],
+                [xmin, ymax, center_z],
+                [xmin, ymin, center_z]
+            ]
+        except Exception:
+            return [[-50, -50, 0], [50, -50, 0], [50, 50, 0], [-50, 50, 0], [-50, -50, 0]]
+
+    def extend_parting_surface(self, parting_surface: Any, shape: Any,
+                                extension: float = 30.0) -> Any:
+        """
+        将分型面延伸到模具块边界
+
+        分型面通常只覆盖产品轮廓，需要延伸到模具块边缘
+        才能正确分离A板和B板
+
+        Args:
+            parting_surface: 原始分型面
+            shape: 产品形状
+            extension: 延伸距离 mm
+
+        Returns:
+            延伸后的分型面
+        """
+        try:
+            bbox = Bnd_Box()
+            brepbndlib.Add(shape, bbox)
+            xmin, ymin, zmin, xmax, ymax, zmax = bbox.Get()
+
+            surface = BRepAdaptor_Surface(parting_surface)
+            if surface.GetType() != 0:
+                logger.info("分型面非平面，延伸操作跳过")
+                return parting_surface
+
+            plane = surface.Plane()
+            origin = plane.Location()
+            normal = plane.Axis().Direction()
+
+            extended_xmin = xmin - extension
+            extended_ymin = ymin - extension
+            extended_xmax = xmax + extension
+            extended_ymax = ymax + extension
+
+            extended_plane = gp_Pln(origin, normal)
+            extended_surface = BRepBuilderAPI_MakeFace(
+                extended_plane,
+                extended_xmin, extended_xmax,
+                extended_ymin, extended_ymax
+            ).Face()
+
+            logger.info(f"分型面延伸完成: 延伸距离={extension}mm")
+            return extended_surface
+
+        except Exception as e:
+            logger.warning(f"分型面延伸失败: {e}")
+            return parting_surface
+
+    def optimize_parting_line(self, parting_line: List[List[float]],
+                               smooth_window: int = 5,
+                               min_segment_length: float = 0.5,
+                               angle_threshold: float = 150.0) -> List[List[float]]:
+        """
+        优化分型线
+
+        优化内容：
+        1. 平滑处理 - 消除噪声点
+        2. 去除短线段 - 合并过短的线段
+        3. 尖角处理 - 在尖角处添加过渡圆弧
+        4. 点密度均匀化 - 重采样使点间距均匀
+
+        Args:
+            parting_line: 原始分型线点列表
+            smooth_window: 平滑窗口大小
+            min_segment_length: 最小线段长度
+            angle_threshold: 尖角判定角度（度）
+
+        Returns:
+            优化后的分型线
+        """
+        if len(parting_line) < 3:
+            return parting_line
+
+        try:
+            smoothed = self._smooth_parting_line(parting_line, smooth_window)
+
+            filtered = self._filter_short_segments(smoothed, min_segment_length)
+
+            optimized = self._round_sharp_corners(filtered, angle_threshold)
+
+            resampled = self._resample_parting_line(optimized, target_spacing=2.0)
+
+            logger.info(f"分型线优化: {len(parting_line)} → {len(resampled)} 点")
+            return resampled
+
+        except Exception as e:
+            logger.warning(f"分型线优化失败: {e}")
+            return parting_line
+
+    def _smooth_parting_line(self, points: List[List[float]],
+                              window: int = 5) -> List[List[float]]:
+        """移动平均平滑"""
+        if len(points) < window:
+            return points
+
+        arr = np.array(points, dtype=np.float64)
+        smoothed = []
+
+        for i in range(len(arr)):
+            start = max(0, i - window // 2)
+            end = min(len(arr), i + window // 2 + 1)
+            avg = np.mean(arr[start:end], axis=0)
+            smoothed.append(avg.tolist())
+
+        return smoothed
+
+    def _filter_short_segments(self, points: List[List[float]],
+                                min_length: float) -> List[List[float]]:
+        """去除过短线段"""
+        if not points:
+            return points
+
+        filtered = [points[0]]
+        for i in range(1, len(points)):
+            dist = np.linalg.norm(np.array(points[i]) - np.array(filtered[-1]))
+            if dist >= min_length:
+                filtered.append(points[i])
+
+        return filtered
+
+    def _round_sharp_corners(self, points: List[List[float]],
+                              angle_threshold: float) -> List[List[float]]:
+        """在尖角处添加过渡点"""
+        if len(points) < 3:
+            return points
+
+        result = [points[0]]
+
+        for i in range(1, len(points) - 1):
+            v1 = np.array(points[i]) - np.array(points[i - 1])
+            v2 = np.array(points[i + 1]) - np.array(points[i])
+
+            len1 = np.linalg.norm(v1)
+            len2 = np.linalg.norm(v2)
+
+            if len1 > 0.001 and len2 > 0.001:
+                cos_angle = np.clip(np.dot(v1, v2) / (len1 * len2), -1, 1)
+                angle = math.degrees(math.acos(cos_angle))
+
+                if angle < angle_threshold:
+                    mid1 = (np.array(points[i - 1]) + np.array(points[i])) / 2
+                    mid2 = (np.array(points[i]) + np.array(points[i + 1])) / 2
+                    result.append(mid1.tolist())
+                    result.append(mid2.tolist())
+                else:
+                    result.append(points[i])
+            else:
+                result.append(points[i])
+
+        result.append(points[-1])
+        return result
+
+    def _resample_parting_line(self, points: List[List[float]],
+                                target_spacing: float) -> List[List[float]]:
+        """重采样使点间距均匀"""
+        if len(points) < 2:
+            return points
+
+        arr = np.array(points, dtype=np.float64)
+
+        cumulative_dist = [0.0]
+        for i in range(1, len(arr)):
+            dist = np.linalg.norm(arr[i] - arr[i - 1])
+            cumulative_dist.append(cumulative_dist[-1] + dist)
+
+        total_length = cumulative_dist[-1]
+        if total_length < target_spacing:
+            return points
+
+        num_points = max(3, int(total_length / target_spacing))
+        new_distances = np.linspace(0, total_length, num_points)
+
+        resampled = []
+        for d in new_distances:
+            idx = np.searchsorted(cumulative_dist, d) - 1
+            idx = max(0, min(idx, len(arr) - 2))
+
+            seg_start = cumulative_dist[idx]
+            seg_end = cumulative_dist[idx + 1]
+            seg_length = seg_end - seg_start
+
+            if seg_length > 0:
+                t = (d - seg_start) / seg_length
+            else:
+                t = 0
+
+            point = arr[idx] + t * (arr[idx + 1] - arr[idx])
+            resampled.append(point.tolist())
+
+        return resampled

src/database/init_db.py

@@ -0,0 +1,256 @@
+import asyncio
+import sys
+from pathlib import Path
+from sqlalchemy import text
+
+project_root = Path(__file__).parent.parent.parent
+src_root = Path(__file__).parent.parent
+sys.path.insert(0, str(project_root))
+sys.path.insert(0, str(src_root))
+
+from sqlalchemy import select
+from database.database import db_manager
+from models.database import User, Role, Permission, UserRole, RolePermission
+from services.auth_service import get_password_hash
+from config.settings import settings
+from utils.logger import get_logger
+
+logger = get_logger(__name__)
+
+DEFAULT_PERMISSIONS = [
+    {"code": "view_dashboard", "name": "查看仪表盘", "module": "dashboard"},
+    {"code": "view_moldinsight", "name": "使用模具分析", "module": "moldinsight"},
+    {"code": "upload_file", "name": "上传文件", "module": "moldinsight"},
+    {"code": "view_history", "name": "查看历史记录", "module": "moldinsight"},
+    {"code": "view_inventory", "name": "查看库存", "module": "inventory"},
+    {"code": "manage_inventory", "name": "管理库存", "module": "inventory"},
+    {"code": "view_products", "name": "查看产品", "module": "inventory"},
+    {"code": "manage_products", "name": "管理产品", "module": "inventory"},
+    {"code": "view_suppliers", "name": "查看供应商", "module": "inventory"},
+    {"code": "manage_suppliers", "name": "管理供应商", "module": "inventory"},
+    {"code": "view_customers", "name": "查看客户", "module": "inventory"},
+    {"code": "manage_customers", "name": "管理客户", "module": "inventory"},
+    {"code": "view_finance", "name": "查看财务", "module": "finance"},
+    {"code": "manage_receipts", "name": "管理收款", "module": "finance"},
+    {"code": "manage_payments", "name": "管理付款", "module": "finance"},
+    {"code": "void_finance_transaction", "name": "作废财务单据", "module": "finance"},
+    {"code": "view_users", "name": "查看用户", "module": "admin"},
+    {"code": "manage_users", "name": "管理用户", "module": "admin"},
+    {"code": "manage_roles", "name": "管理角色", "module": "admin"},
+]
+
+DEFAULT_ROLES = [
+    {"code": "admin", "name": "管理员", "description": "系统管理员，拥有所有权限", "is_system": True, "permissions": ["view_dashboard", "view_moldinsight", "upload_file", "view_history", "view_inventory", "manage_inventory", "view_products", "manage_products", "view_suppliers", "manage_suppliers", "view_customers", "manage_customers", "view_finance", "manage_receipts", "manage_payments", "void_finance_transaction", "view_users", "manage_users", "manage_roles"]},
+    {"code": "user", "name": "普通用户", "description": "普通用户，可使用模具分析和查看库存", "is_system": False, "permissions": ["view_dashboard", "view_moldinsight", "upload_file", "view_history", "view_inventory", "view_products", "view_suppliers", "view_customers", "view_finance", "manage_receipts", "manage_payments"]},
+    {"code": "viewer", "name": "只读用户", "description": "只读用户，只能查看数据", "is_system": False, "permissions": ["view_dashboard", "view_moldinsight", "view_history", "view_inventory", "view_products", "view_suppliers", "view_customers", "view_finance"]},
+]
+
+
+async def init_permissions(session):
+    """初始化权限"""
+    result = await session.execute(select(Permission))
+    existing_perms = result.scalars().all()
+    
+    if existing_perms:
+        logger.info("权限已初始化")
+        return
+    
+    perm_map = {}
+    for perm_data in DEFAULT_PERMISSIONS:
+        perm = Permission(**perm_data)
+        session.add(perm)
+        await session.flush()
+        perm_map[perm.code] = perm.id
+    
+    logger.info(f"创建了 {len(DEFAULT_PERMISSIONS)} 个权限")
+    return perm_map
+
+
+async def init_roles(session, perm_map):
+    """初始化角色"""
+    result = await session.execute(select(Role))
+    existing_roles = result.scalars().all()
+    
+    if existing_roles:
+        logger.info("角色已初始化")
+        return
+    
+    for role_data in DEFAULT_ROLES:
+        perm_ids = [perm_map[code] for code in role_data.pop("permissions")]
+        role = Role(**role_data)
+        session.add(role)
+        await session.flush()
+        
+        for perm_id in perm_ids:
+            rp = RolePermission(role_id=role.id, permission_id=perm_id)
+            session.add(rp)
+    
+    logger.info(f"创建了 {len(DEFAULT_ROLES)} 个角色")
+
+
+async def create_admin_user(session):
+    """创建默认管理员"""
+    result = await session.execute(select(User).where(User.username == settings.ADMIN_USERNAME))
+    existing_admin = result.scalar_one_or_none()
+    
+    if existing_admin:
+        logger.info("管理员账户已存在")
+        return
+    
+    admin = User(
+        username=settings.ADMIN_USERNAME,
+        email=settings.ADMIN_EMAIL,
+        hashed_password=get_password_hash(settings.ADMIN_PASSWORD),
+        full_name=settings.ADMIN_FULL_NAME,
+        is_active=True
+    )
+    session.add(admin)
+    await session.flush()
+    
+    result = await session.execute(select(Role).where(Role.code == "admin"))
+    admin_role = result.scalar_one_or_none()
+    
+    if admin_role:
+        user_role = UserRole(user_id=admin.id, role_id=admin_role.id)
+        session.add(user_role)
+    
+    await session.commit()
+    logger.info(f"创建了管理员账户: {settings.ADMIN_USERNAME}")
+
+
+async def init_database(keep_connected: bool = True):
+    """初始化数据库"""
+    try:
+        await db_manager.connect()
+        await db_manager.create_tables()
+        await ensure_schema_updates()
+        
+        async with db_manager.session() as session:
+            perm_map = await init_permissions(session)
+            if perm_map is None:
+                # Permissions already existed, fetch them from database
+                result = await session.execute(select(Permission))
+                perms = result.scalars().all()
+                perm_map = {perm.code: perm.id for perm in perms}
+            await init_roles(session, perm_map)
+            await create_admin_user(session)
+
+
+        logger.info("数据库初始化完成")
+        print("=" * 60)
+        print("数据库初始化成功！")
+        print("=" * 60)
+        print(f"管理员用户名: {settings.ADMIN_USERNAME}")
+        print(f"管理员邮箱: {settings.ADMIN_EMAIL}")
+        print("=" * 60)
+        print("可以在 .env 文件中修改管理员配置:")
+        print("  ADMIN_USERNAME")
+        print("  ADMIN_EMAIL")
+        print("  ADMIN_FULL_NAME")
+        print("=" * 60)
+        
+        return True
+        
+    except Exception as e:
+        logger.error(f"数据库初始化失败: {e}")
+        print(f"数据库初始化失败: {e}")
+        return False
+    finally:
+        if not keep_connected:
+            await db_manager.disconnect()
+
+
+async def ensure_schema_updates():
+    async with db_manager.engine.begin() as conn:
+        await conn.execute(text("ALTER TABLE products ADD COLUMN IF NOT EXISTS item_type VARCHAR(20) DEFAULT 'finished'"))
+        await conn.execute(text("UPDATE products SET item_type = 'finished' WHERE item_type IS NULL"))
+        await conn.execute(text("ALTER TABLE sales_orders ADD COLUMN IF NOT EXISTS production_status VARCHAR(20) DEFAULT 'not_started'"))
+        await conn.execute(text("ALTER TABLE sales_orders ADD COLUMN IF NOT EXISTS production_no VARCHAR(50)"))
+        await conn.execute(text("ALTER TABLE sales_orders ADD COLUMN IF NOT EXISTS planned_material_cost DOUBLE PRECISION DEFAULT 0"))
+        await conn.execute(text("ALTER TABLE sales_orders ADD COLUMN IF NOT EXISTS actual_material_cost DOUBLE PRECISION DEFAULT 0"))
+        await conn.execute(text("ALTER TABLE purchase_orders ADD COLUMN IF NOT EXISTS received_date TIMESTAMP WITHOUT TIME ZONE"))
+        await conn.execute(text("ALTER TABLE purchase_orders ADD COLUMN IF NOT EXISTS paid_date TIMESTAMP WITHOUT TIME ZONE"))
+        await conn.execute(text("""
+            CREATE TABLE IF NOT EXISTS product_materials (
+                id SERIAL PRIMARY KEY,
+                finished_product_id INTEGER NOT NULL REFERENCES products(id),
+                material_product_id INTEGER NOT NULL REFERENCES products(id),
+                quantity DOUBLE PRECISION NOT NULL,
+                loss_rate DOUBLE PRECISION DEFAULT 0,
+                created_at TIMESTAMP DEFAULT NOW(),
+                updated_at TIMESTAMP DEFAULT NOW()
+            )
+        """))
+        await conn.execute(text("""
+            CREATE UNIQUE INDEX IF NOT EXISTS uq_product_material_unique
+            ON product_materials (finished_product_id, material_product_id)
+        """))
+        await conn.execute(text("ALTER TABLE mold_cavity_data ADD COLUMN IF NOT EXISTS best_scheme_id VARCHAR(64)"))
+        await conn.execute(text("ALTER TABLE mold_cavity_data ADD COLUMN IF NOT EXISTS confidence_score DOUBLE PRECISION"))
+        await conn.execute(text("ALTER TABLE mold_cavity_data ADD COLUMN IF NOT EXISTS is_fallback BOOLEAN"))
+        await conn.execute(text("ALTER TABLE mold_cavity_data ADD COLUMN IF NOT EXISTS fallback_reason TEXT"))
+        await conn.execute(text("""
+            CREATE INDEX IF NOT EXISTS idx_mold_cavity_best_scheme_id
+            ON mold_cavity_data (best_scheme_id)
+        """))
+        await conn.execute(text("""
+            CREATE INDEX IF NOT EXISTS idx_mold_cavity_is_fallback
+            ON mold_cavity_data (is_fallback)
+        """))
+        await conn.execute(text("""
+            DO $$
+            BEGIN
+                IF NOT EXISTS (
+                    SELECT 1 FROM pg_constraint
+                    WHERE conname = 'uq_inventory_product_warehouse'
+                ) THEN
+                    ALTER TABLE inventory
+                    ADD CONSTRAINT uq_inventory_product_warehouse UNIQUE (product_id, warehouse_id);
+                END IF;
+            END $$;
+        """))
+        await conn.execute(text("""
+            DO $$
+            BEGIN
+                IF NOT EXISTS (
+                    SELECT 1 FROM pg_constraint
+                    WHERE conname = 'ck_inventory_qty_nonnegative'
+                ) THEN
+                    ALTER TABLE inventory
+                    ADD CONSTRAINT ck_inventory_qty_nonnegative
+                    CHECK (quantity >= 0 AND locked_quantity >= 0 AND locked_quantity <= quantity);
+                END IF;
+            END $$;
+        """))
+        await conn.execute(text("""
+            DO $$
+            BEGIN
+                IF NOT EXISTS (
+                    SELECT 1 FROM pg_constraint
+                    WHERE conname = 'ck_purchase_order_items_qty'
+                ) THEN
+                    ALTER TABLE purchase_order_items
+                    ADD CONSTRAINT ck_purchase_order_items_qty
+                    CHECK (quantity > 0 AND received_quantity >= 0 AND received_quantity <= quantity);
+                END IF;
+            END $$;
+        """))
+        await conn.execute(text("""
+            DO $$
+            BEGIN
+                IF NOT EXISTS (
+                    SELECT 1 FROM pg_constraint
+                    WHERE conname = 'ck_sales_order_items_qty'
+                ) THEN
+                    ALTER TABLE sales_order_items
+                    ADD CONSTRAINT ck_sales_order_items_qty
+                    CHECK (quantity > 0 AND delivered_quantity >= 0 AND delivered_quantity <= quantity);
+                END IF;
+            END $$;
+        """))
+        await conn.execute(text("ALTER TABLE sales_orders ADD COLUMN IF NOT EXISTS manufacturing_date TIMESTAMP WITHOUT TIME ZONE"))
+        await conn.execute(text("ALTER TABLE sales_orders ALTER COLUMN manufacturing_date TYPE TIMESTAMP WITHOUT TIME ZONE"))
+
+
+if __name__ == "__main__":
+    asyncio.run(init_database(keep_connected=False))

src/services/llm_service.py

@@ -74,7 +74,7 @@ JSON 格式：
   "confidence": 0.85,
   "reasoning": "详细的中文推理过程...",
   "risk_notes": ["风险1", "风险2"],
-  "rankings": [{"axis":"Z","rank":1,"score":92,"note":"..."},{"axis":"X","rank":2,"score":78,"note":"..."}]
+  "rankings": [{"axis":"Z","rank":1,"score":92,"note":"..."}]
 }"""
 
 _PARTING_USER = """请评估以下候选分模方向并推荐最优方案：
@@ -126,11 +126,7 @@ class LLMService:
 
         try:
             prompt = self._build_design_report_prompt(analysis_result, detailed_cavity_json)
-            response = await self._chat(
+            response = await self._chat(_DESIGN_REPORT_SYSTEM, prompt, self._max_tokens)
-                system=_DESIGN_REPORT_SYSTEM,
-                user=prompt,
-                max_tokens=self._max_tokens,
-            )
             if response:
                 logger.info("LLM 设计报告生成成功 (%d 字符)", len(response))
             return response
@@ -150,128 +146,74 @@ class LLMService:
             return None
 
         try:
-            prompt = self._build_parting_prompt(
+            prompt = self._build_parting_prompt(geometry_data, candidate_schemes, material, cavity_count)
-                geometry_data, candidate_schemes, material, cavity_count,
+            response = await self._chat(_PARTING_SYSTEM, prompt, min(self._max_tokens, 1200), expect_json=True)
-            )
-            response = await self._chat(
-                system=_PARTING_SYSTEM,
-                user=prompt,
-                max_tokens=min(self._max_tokens, 1200),
-                expect_json=True,
-            )
             if response:
                 result = self._parse_json_response(response)
                 if result:
-                    logger.info(
+                    logger.info("LLM 分型推荐: %s (%.2f)", result.get("recommended_axis", "?"), result.get("confidence", 0))
-                        "LLM 分型推荐: %s (置信度 %.2f)",
-                        result.get("recommended_axis", "?"),
-                        result.get("confidence", 0),
-                    )
                 return result
             return None
         except Exception as e:
             logger.warning("LLM 分型推荐失败（不影响主流程）: %s", e)
             return None
 
-    def _build_design_report_prompt(
+    def _build_design_report_prompt(self, analysis_result, detailed_cavity_json) -> str:
-        self,
+        features = json.dumps(analysis_result.get("detected_features", []), ensure_ascii=False, indent=2)
-        analysis_result: Dict[str, Any],
+        if len(features) > 4000:
-        detailed_cavity_json: Optional[Dict[str, Any]],
+            features = features[:4000] + "\n... (已截断)"
-    ) -> str:
-        detected_features = analysis_result.get("detected_features", [])
-        quality_metrics = analysis_result.get("quality_metrics", {})
-        recommendations = analysis_result.get("design_recommendations", [])
-
-        feature_text = json.dumps(detected_features, ensure_ascii=False, indent=2)
-        if len(feature_text) > 4000:
-            feature_text = feature_text[:4000] + "\n... (已截断)"
 
         schemes_text = ""
         if detailed_cavity_json:
             schemes = detailed_cavity_json.get("candidate_schemes", [])
             if schemes:
-                schemes_text = json.dumps(
+                schemes_text = json.dumps([{
-                    [
+                    "scheme_id": s.get("scheme_id"), "rank": s.get("rank"), "title": s.get("title"),
-                        {
+                    "score": s.get("score"), "summary": s.get("summary"),
-                            "scheme_id": s.get("scheme_id"),
-                            "rank": s.get("rank"),
-                            "title": s.get("title"),
-                            "score": s.get("score"),
-                            "confidence_score": s.get("confidence_score"),
-                            "summary": s.get("summary"),
                     "parting_axis": s.get("parting", {}).get("axis"),
                     "mold_structure_type": s.get("mold_structure_type"),
                     "dfm_violations": s.get("dfm_violations", []),
-                        }
+                } for s in schemes], ensure_ascii=False, indent=2)
-                        for s in schemes
-                    ],
-                    ensure_ascii=False,
-                    indent=2,
-                )
 
-        best_scheme = (
+        best = detailed_cavity_json.get("candidate_schemes", [{}])[0] if detailed_cavity_json else {}
-            detailed_cavity_json.get("candidate_schemes", [{}])[0]
+        cd = best.get("cavity_data", {}) if isinstance(best, dict) else {}
-            if detailed_cavity_json
+        mfg = cd.get("manufacturing_info", {})
-            else {}
+        meta = cd.get("metadata", {})
-        )
-        cavity_data = best_scheme.get("cavity_data", {}) if isinstance(best_scheme, dict) else {}
-        mfg_info = cavity_data.get("manufacturing_info", {})
-        metadata = cavity_data.get("metadata", {})
 
         return _DESIGN_REPORT_USER.format(
-            filename=metadata.get("file_name", "unknown.stp"),
+            filename=meta.get("file_name", "unknown.stp"),
-            material=metadata.get("selected_material", "ABS"),
+            material=meta.get("selected_material", "ABS"),
             volume=f"{analysis_result.get('geometry_data', {}).get('volume', 0):.1f} mm³",
             surface_area=f"{analysis_result.get('geometry_data', {}).get('surface_area', 0):.1f} mm²",
             bbox=json.dumps(analysis_result.get("geometry_data", {}).get("bounding_box", {}), ensure_ascii=False),
-            features=feature_text or "无特征检测数据",
+            features=features or "无特征检测数据",
-            quality_metrics=json.dumps(quality_metrics, ensure_ascii=False, indent=2),
+            quality_metrics=json.dumps(analysis_result.get("quality_metrics", {}), ensure_ascii=False, indent=2),
             schemes=schemes_text or "无分模方案数据",
-            mold_material=mfg_info.get("mold_material", "自动选择"),
+            mold_material=mfg.get("mold_material", "自动选择"),
-            mold_hardness=mfg_info.get("mold_hardness", "自动选择"),
+            mold_hardness=mfg.get("mold_hardness", "自动选择"),
-            clamping_force=mfg_info.get("estimated_clamping_force", "自动计算"),
+            clamping_force=mfg.get("estimated_clamping_force", "自动计算"),
-            mold_size=json.dumps(mfg_info.get("estimated_mold_size", {}), ensure_ascii=False),
+            mold_size=json.dumps(mfg.get("estimated_mold_size", {}), ensure_ascii=False),
-            cycle_time=mfg_info.get("estimated_cycle_time", "自动计算"),
+            cycle_time=mfg.get("estimated_cycle_time", "自动计算"),
-            draft_angle=f"{metadata.get('draft_angle', 2.0)}°",
+            draft_angle=f"{meta.get('draft_angle', 2.0)}°",
-            shrinkage_rate=f"{metadata.get('shrinkage_rate', 0.0) * 100:.2f}%"
+            shrinkage_rate="自动计算",
-            if isinstance(metadata.get("shrinkage_rate"), (int, float))
+            recommendations=json.dumps(analysis_result.get("design_recommendations", []), ensure_ascii=False, indent=2) or "无",
-            else "自动计算",
-            recommendations=json.dumps(recommendations, ensure_ascii=False, indent=2) if recommendations else "无",
         )
 
-    def _build_parting_prompt(
+    def _build_parting_prompt(self, geometry_data, candidate_schemes, material, cavity_count) -> str:
-        self,
-        geometry_data: Dict[str, Any],
-        candidate_schemes: List[Dict[str, Any]],
-        material: Dict[str, Any],
-        cavity_count: int,
-    ) -> str:
         bbox = geometry_data.get("bounding_box", {})
         axis_normal_stats = geometry_data.get("axis_normal_stats", {})
         inertia = geometry_data.get("inertia_matrix", [])
-        inertia_diag = [
+        inertia_diag = [inertia[i][i] if i < len(inertia) and i < len(inertia[i]) else 0.0 for i in range(3)]
-            inertia[i][i] if i < len(inertia) and i < len(inertia[i]) else 0.0
-            for i in range(3)
-        ]
 
-        schemes_text = json.dumps(
+        schemes_text = json.dumps([{
-            [
-                {
             "axis": s.get("parting", {}).get("axis") or s.get("axis"),
-                    "score": s.get("score"),
+            "score": s.get("score"), "summary": s.get("summary"),
-                    "confidence_score": s.get("confidence_score"),
-                    "summary": s.get("summary"),
             "mold_structure_type": s.get("mold_structure_type"),
             "core_required": s.get("core_required"),
             "dfm_violations": s.get("dfm_violations", []),
             "undercut_regions_count": len(s.get("undercut_regions", [])),
             "score_breakdown": s.get("score_breakdown", {}),
-                }
+        } for s in candidate_schemes], ensure_ascii=False, indent=2)
-                for s in candidate_schemes
-            ],
-            ensure_ascii=False,
-            indent=2,
-        )
 
         return _PARTING_USER.format(
             bbox=json.dumps(bbox, ensure_ascii=False),
@@ -284,47 +226,31 @@ class LLMService:
             schemes=schemes_text,
         )
 
-    async def _chat(
+    async def _chat(self, system, user, max_tokens=2000, expect_json=False, temperature=0.3):
-        self,
-        system: str,
-        user: str,
-        max_tokens: int = 2000,
-        expect_json: bool = False,
-        temperature: float = 0.3,
-    ) -> Optional[str]:
         url = f"{self._api_url}/chat/completions"
-        headers = {
+        headers = {"Authorization": f"Bearer {self._api_key}", "Content-Type": "application/json"}
-            "Authorization": f"Bearer {self._api_key}",
-            "Content-Type": "application/json",
-        }
         payload = {
             "model": self._model,
-            "messages": [
+            "messages": [{"role": "system", "content": system}, {"role": "user", "content": user}],
-                {"role": "system", "content": system},
+            "max_tokens": max_tokens, "temperature": temperature,
-                {"role": "user", "content": user},
-            ],
-            "max_tokens": max_tokens,
-            "temperature": temperature,
         }
         if expect_json:
             payload["response_format"] = {"type": "json_object"}
-
         async with httpx.AsyncClient(timeout=self._timeout) as client:
             resp = await client.post(url, json=payload, headers=headers)
             resp.raise_for_status()
-            data = resp.json()
+            content = resp.json()["choices"][0]["message"]["content"]
-            content = data["choices"][0]["message"]["content"]
             return content.strip() if content else None
 
     @staticmethod
-    def _parse_json_response(raw: str) -> Optional[Dict[str, Any]]:
+    def _parse_json_response(raw):
         try:
             return json.loads(raw)
         except json.JSONDecodeError:
-            match = re.search(r"\{[\s\S]*\}", raw)
+            m = re.search(r"\{[\s\S]*\}", raw)
-            if match:
+            if m:
                 try:
-                    return json.loads(match.group())
+                    return json.loads(m.group())
                 except json.JSONDecodeError:
                     pass
         logger.warning("LLM JSON 解析失败: %s...", raw[:200])

src/services/processing_service.py

@@ -259,24 +259,10 @@ class ProcessingService:
                 file_path, db_session, task_id, stp_file_id, analysis_result
             )
 
-            # 9.8 LLM 增强分析（可选，不影响主流程）
+            # 9.8 LLM 增强分析
             llm_report = None
-            llm_parting = None
             if analysis_result:
-                llm_report = await llm_service.generate_design_report(
+                llm_report = await llm_service.generate_design_report(analysis_result, detailed_cavity_json)
-                    analysis_result, detailed_cavity_json
-                )
-                candidate_schemes = detailed_cavity_json.get("candidate_schemes", [])
-                if candidate_schemes:
-                    cavity_count = detailed_cavity_json.get("mold_cavities", {}).get("cavity_count", 1)
-                    if isinstance(cavity_count, (int, float)):
-                        cavity_count = int(cavity_count)
-                    else:
-                        cavity_count = 1
-                    llm_parting = await llm_service.recommend_parting_direction(
-                        geometry_data, candidate_schemes, selected_material,
-                        cavity_count=cavity_count,
-                    )
 
             # 10. 完成处理
             await self.storage_service.update_stp_file_status(db_session, stp_file_id, "completed")
@@ -296,7 +282,6 @@ class ProcessingService:
                 "html_file": best_scheme.get("html_file", f"/html/{Path(html_file_path).name}") if best_scheme else f"/html/{Path(html_file_path).name}",
                 "verification": verification_result,
                 "llm_report": llm_report,
-                "llm_parting_recommendation": llm_parting,
                 "status": ProcessingStatus.COMPLETED,
                 "completed_at": str(datetime.now()),
             })

src/utils/html_generator.py

@@ -0,0 +1,831 @@
+# utils/html_generator.py
+from pathlib import Path
+from typing import Dict, Any, Optional
+from datetime import datetime
+from utils.logger import get_logger
+
+logger = get_logger(__name__)
+
+try:
+    import orjson
+
+    def _json_dumps(obj: Any) -> bytes:
+        return orjson.dumps(obj, option=orjson.OPT_SERIALIZE_NUMPY | orjson.OPT_NON_STR_KEYS)
+
+    def _json_dumps_str(obj: Any) -> str:
+        return orjson.dumps(obj, option=orjson.OPT_SERIALIZE_NUMPY | orjson.OPT_NON_STR_KEYS).decode("utf-8")
+
+    _JSON_FAST = True
+except ImportError:
+    import json
+
+    def _json_dumps(obj: Any) -> bytes:
+        return json.dumps(obj, ensure_ascii=False).encode("utf-8")
+
+    def _json_dumps_str(obj: Any) -> str:
+        return json.dumps(obj, ensure_ascii=False)
+
+    _JSON_FAST = False
+
+
+class HTMLGenerator:
+    """HTML文件生成器 — 数据分离架构，Three.js 0.170 + PBR渲染"""
+
+    def __init__(self, output_dir: str = "./html_output"):
+        self.output_dir = Path(output_dir)
+        self.output_dir.mkdir(exist_ok=True)
+
+    def generate_3d_viewer_html(self, stp_filename: str, data_filename: str) -> str:
+        """生成3D可视化HTML页面 — 通过fetch异步加载companion JSON数据"""
+
+        cavity_html = self._build_cavity_info_panel_template()
+
+        html_content = f"""<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>3D模具几何可视化 - {stp_filename}</title>
+    <script type="importmap">
+        {{
+            "imports": {{
+                "three": "https://cdn.jsdelivr.net/npm/three@0.170.0/build/three.module.js",
+                "three/addons/": "https://cdn.jsdelivr.net/npm/three@0.170.0/examples/jsm/"
+            }}
+        }}
+    </script>
+    <style>
+        * {{ margin: 0; padding: 0; box-sizing: border-box; }}
+        body {{ overflow: hidden; font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif; background: #f0f2f5; }}
+        #container {{ position: relative; width: 100vw; height: 100vh; }}
+        #canvas {{ display: block; }}
+
+        #loading-overlay {{
+            position: absolute; inset: 0; display: flex; flex-direction: column;
+            align-items: center; justify-content: center; background: rgba(240,242,245,0.95);
+            z-index: 100; transition: opacity 0.4s;
+        }}
+        #loading-overlay.hidden {{ opacity: 0; pointer-events: none; }}
+        .spinner {{
+            width: 48px; height: 48px; border: 3px solid rgba(0,0,0,0.1);
+            border-top-color: #4CAF50; border-radius: 50%; animation: spin 0.8s linear infinite;
+        }}
+        @keyframes spin {{ to {{ transform: rotate(360deg); }} }}
+        .loading-text {{ color: #666; margin-top: 16px; font-size: 14px; }}
+
+        #info-panel {{
+            position: absolute; top: 10px; left: 10px; background: rgba(255,255,255,0.92);
+            color: #333; padding: 12px 16px; border-radius: 10px; font-size: 13px;
+            max-width: 340px; backdrop-filter: blur(10px); border: 1px solid rgba(0,0,0,0.08);
+            box-shadow: 0 2px 12px rgba(0,0,0,0.08);
+        }}
+        #info-panel h3 {{ margin: 0 0 6px 0; font-size: 14px; color: #2E7D32; }}
+        #info-panel .info-row {{ display: flex; justify-content: space-between; padding: 2px 0; }}
+        #info-panel .info-label {{ color: #888; }}
+        #info-panel .info-value {{ color: #111; font-weight: 500; }}
+
+        #cavity-info-panel {{
+            position: absolute; top: 10px; right: 10px; background: rgba(255,255,255,0.92);
+            color: #333; padding: 15px; border-radius: 10px; font-size: 12px;
+            max-width: 310px; backdrop-filter: blur(10px); border: 1px solid rgba(0,0,0,0.08);
+            box-shadow: 0 2px 12px rgba(0,0,0,0.08);
+            display: none;
+        }}
+        #cavity-info-panel h3 {{ margin: 0 0 10px 0; font-size: 14px; color: #E65100; }}
+        #cavity-info-panel .metric {{ display: flex; justify-content: space-between; padding: 3px 0; }}
+        #cavity-info-panel .metric-label {{ color: #888; }}
+        #cavity-info-panel .metric-value {{ color: #111; font-weight: 500; }}
+
+        #toolbar {{
+            position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%);
+            display: flex; gap: 6px; background: rgba(255,255,255,0.92); padding: 8px 12px;
+            border-radius: 24px; backdrop-filter: blur(10px); border: 1px solid rgba(0,0,0,0.08);
+            box-shadow: 0 2px 12px rgba(0,0,0,0.08);
+            flex-wrap: wrap; justify-content: center;
+        }}
+        #toolbar button {{
+            background: rgba(0,0,0,0.04); color: #555; border: 1px solid rgba(0,0,0,0.1);
+            padding: 6px 14px; border-radius: 18px; cursor: pointer; font-size: 12px;
+            transition: all 0.2s; white-space: nowrap;
+        }}
+        #toolbar button:hover {{ background: rgba(0,0,0,0.1); color: #222; }}
+        #toolbar button.active {{ background: rgba(76,175,80,0.18); border-color: #4CAF50; color: #2E7D32; }}
+        #toolbar button.accent {{
+            background: rgba(255,87,34,0.15); border-color: #FF5722; color: #D84315;
+            font-weight: bold;
+        }}
+        #toolbar button.accent:hover {{ background: rgba(255,87,34,0.28); }}
+
+        #view-presets {{
+            position: absolute; bottom: 75px; left: 50%; transform: translateX(-50%);
+            display: flex; gap: 4px; background: rgba(255,255,255,0.88); padding: 6px 8px;
+            border-radius: 20px; backdrop-filter: blur(8px); border: 1px solid rgba(0,0,0,0.06);
+            box-shadow: 0 1px 8px rgba(0,0,0,0.06);
+        }}
+        #view-presets button {{
+            background: rgba(0,0,0,0.03); color: #777; border: none;
+            padding: 5px 10px; border-radius: 14px; cursor: pointer; font-size: 11px;
+            transition: all 0.2s;
+        }}
+        #view-presets button:hover {{ background: rgba(0,0,0,0.1); color: #222; }}
+
+        @media (max-width: 768px) {{
+            #info-panel {{ max-width: 240px; font-size: 11px; padding: 8px 12px; }}
+            #cavity-info-panel {{ max-width: 220px; font-size: 10px; padding: 10px; }}
+            #toolbar {{ gap: 3px; padding: 6px 8px; }}
+            #toolbar button {{ padding: 5px 10px; font-size: 10px; }}
+            #view-presets {{ bottom: 68px; }}
+        }}
+    </style>
+</head>
+<body>
+    <div id="container">
+        <canvas id="canvas"></canvas>
+
+        <div id="loading-overlay">
+            <div class="spinner"></div>
+            <div class="loading-text" id="loading-status">加载几何数据...</div>
+        </div>
+
+        <div id="info-panel">
+            <h3>📐 {stp_filename}</h3>
+            <div class="info-row"><span class="info-label">顶点</span><span class="info-value" id="info-verts">-</span></div>
+            <div class="info-row"><span class="info-label">三角面</span><span class="info-value" id="info-faces">-</span></div>
+            <div class="info-row"><span class="info-label">点云</span><span class="info-value" id="info-points">-</span></div>
+            <div class="info-row"><span class="info-label">体积</span><span class="info-value" id="info-vol">-</span></div>
+        </div>
+
+        {cavity_html}
+
+        <div id="view-presets">
+            <button onclick="setView('front')" title="前视">前</button>
+            <button onclick="setView('back')" title="后视">后</button>
+            <button onclick="setView('left')" title="左视">左</button>
+            <button onclick="setView('right')" title="右视">右</button>
+            <button onclick="setView('top')" title="俯视">俯</button>
+            <button onclick="setView('bottom')" title="仰视">仰</button>
+            <button onclick="setView('iso')" title="等轴测" style="font-weight:bold;color:#FF9800;">3D</button>
+        </div>
+
+        <div id="toolbar">
+            <button id="btn-product" class="active" onclick="toggleProduct()">产品</button>
+            <button id="btn-mold" class="active" onclick="toggleMold()">模具</button>
+            <button id="btn-parting" class="active" onclick="toggleParting()">分型面</button>
+            <button id="btn-pointcloud" onclick="togglePointcloud()">点云</button>
+            <button onclick="toggleWireframe()">线框</button>
+            <button onclick="resetView()">重置</button>
+            <button id="splitBtn" class="accent" onclick="splitMold()">分模拆分</button>
+        </div>
+    </div>
+
+    <script type="module">
+        import * as THREE from 'three';
+        import {{ OrbitControls }} from 'three/addons/controls/OrbitControls.js';
+
+        const DATA_URL = '{data_filename}';
+
+        let productMesh, cavityMesh, coreMesh, partingMesh, pointcloudMesh;
+        let productVisible = true, moldVisible = true, partingVisible = true, pointcloudVisible = false;
+        let isSplit = false, splitAnimId = null;
+        let sceneBox = null;
+        let cavityDataGlobal = null;
+
+        const renderer = new THREE.WebGLRenderer({{ canvas: document.getElementById('canvas'), antialias: true, alpha: true }});
+        renderer.setPixelRatio(Math.min(window.devicePixelRatio, 2));
+        renderer.setSize(window.innerWidth, window.innerHeight);
+        renderer.shadowMap.enabled = true;
+        renderer.shadowMap.type = THREE.PCFSoftShadowMap;
+        renderer.toneMapping = THREE.ACESFilmicToneMapping;
+        renderer.toneMappingExposure = 1.2;
+
+        const scene = new THREE.Scene();
+        scene.background = new THREE.Color(0xf0f2f5);
+        scene.fog = new THREE.Fog(0xf0f2f5, 500, 3000);
+
+        const camera = new THREE.PerspectiveCamera(55, window.innerWidth / window.innerHeight, 0.1, 10000);
+        const controls = new OrbitControls(camera, renderer.domElement);
+        controls.enableDamping = true;
+        controls.dampingFactor = 0.12;
+        controls.minDistance = 1;
+        controls.maxDistance = 5000;
+        controls.target.set(0, 0, 0);
+
+        function setupLighting() {{
+            const ambient = new THREE.AmbientLight(0xccccdd, 4);
+            scene.add(ambient);
+
+            const keyLight = new THREE.DirectionalLight(0xffffff, 7);
+            keyLight.position.set(1, 1.2, 0.8);
+            keyLight.castShadow = true;
+            keyLight.shadow.mapSize.width = 2048;
+            keyLight.shadow.mapSize.height = 2048;
+            keyLight.shadow.camera.near = 0.5;
+            keyLight.shadow.camera.far = 500;
+            keyLight.shadow.bias = -0.0001;
+            scene.add(keyLight);
+
+            const fillLight = new THREE.DirectionalLight(0xccddff, 3);
+            fillLight.position.set(-0.6, 0.3, -0.4);
+            scene.add(fillLight);
+
+            const rimLight = new THREE.DirectionalLight(0xffffff, 4);
+            rimLight.position.set(0, -0.3, -1);
+            scene.add(rimLight);
+
+            const bottomLight = new THREE.DirectionalLight(0x8899cc, 1.5);
+            bottomLight.position.set(0, -1, 0.2);
+            scene.add(bottomLight);
+
+            const pmremGenerator = new THREE.PMREMGenerator(renderer);
+            pmremGenerator.compileEquirectangularShader();
+            const envScene = new THREE.Scene();
+            envScene.background = new THREE.Color(0xddeeff);
+            const envMap = pmremGenerator.fromScene(envScene).texture;
+            scene.environment = envMap;
+            scene.background = new THREE.Color(0xf0f2f5);
+        }}
+
+        setupLighting();
+
+        const axesHelper = new THREE.AxesHelper(50);
+        scene.add(axesHelper);
+
+        const gridHelper = new THREE.GridHelper(400, 40, 0xccccdd, 0xe8e8f0);
+        scene.add(gridHelper);
+
+        function toFlatArray(data) {{
+            if (!Array.isArray(data)) return [];
+            if (data.length === 0) return [];
+            return Array.isArray(data[0]) ? data.flat(Infinity) : data;
+        }}
+
+        function normalizePositions(rawPositions, center) {{
+            const flat = toFlatArray(rawPositions);
+            if (!flat.length) return [];
+            const cx = Number(center[0] || 0), cy = Number(center[1] || 0), cz = Number(center[2] || 0);
+            const normalized = [];
+            for (let i = 0; i + 2 < flat.length; i += 3) {{
+                const x = Number(flat[i]), y = Number(flat[i + 1]), z = Number(flat[i + 2]);
+                if (Number.isFinite(x) && Number.isFinite(y) && Number.isFinite(z)) {{
+                    normalized.push(x - cx, y - cy, z - cz);
+                }}
+            }}
+            return normalized;
+        }}
+
+        function computeBounds(rawPositionsList) {{
+            let minX = Infinity, minY = Infinity, minZ = Infinity;
+            let maxX = -Infinity, maxY = -Infinity, maxZ = -Infinity;
+            let hasPoint = false;
+            for (const raw of rawPositionsList) {{
+                const flat = toFlatArray(raw);
+                for (let i = 0; i + 2 < flat.length; i += 3) {{
+                    const x = Number(flat[i]), y = Number(flat[i + 1]), z = Number(flat[i + 2]);
+                    if (!Number.isFinite(x) || !Number.isFinite(y) || !Number.isFinite(z)) continue;
+                    hasPoint = true;
+                    minX = Math.min(minX, x); minY = Math.min(minY, y); minZ = Math.min(minZ, z);
+                    maxX = Math.max(maxX, x); maxY = Math.max(maxY, y); maxZ = Math.max(maxZ, z);
+                }}
+            }}
+            if (!hasPoint) return null;
+            return {{
+                center: [(minX + maxX) / 2, (minY + maxY) / 2, (minZ + maxZ) / 2],
+                dimensions: [Math.max(maxX - minX, 1), Math.max(maxY - minY, 1), Math.max(maxZ - minZ, 1)],
+            }};
+        }}
+
+        function isValidIndexedGeometry(positions, indices) {{
+            if (!positions || !indices) return false;
+            if (positions.length < 9 || indices.length < 3) return false;
+            if (positions.length % 3 !== 0 || indices.length % 3 !== 0) return false;
+            const vertexCount = positions.length / 3;
+            for (let i = 0; i < indices.length; i++) {{
+                const idx = Number(indices[i]);
+                if (!Number.isFinite(idx) || idx < 0 || idx >= vertexCount) return false;
+            }}
+            return true;
+        }}
+
+        function createPBRMaterial(colorHex, opts = {{}}) {{
+            return new THREE.MeshStandardMaterial({{
+                color: new THREE.Color(colorHex),
+                metalness: opts.metalness ?? 0.05,
+                roughness: opts.roughness ?? 0.35,
+                transparent: true,
+                opacity: opts.opacity ?? 0.55,
+                side: THREE.DoubleSide,
+                depthWrite: opts.depthWrite ?? true,
+            }});
+        }}
+
+        function registerInitialPose(mesh) {{
+            if (!mesh) return;
+            mesh.userData.initialPosition = mesh.position.clone();
+            mesh.userData.initialVisible = mesh.visible;
+        }}
+
+        function fitCameraToScene() {{
+            const objects = [productMesh, cavityMesh, coreMesh, partingMesh, pointcloudMesh].filter(Boolean);
+            if (!objects.length) return;
+            sceneBox = new THREE.Box3();
+            objects.forEach(obj => sceneBox.expandByObject(obj));
+            if (sceneBox.isEmpty()) return;
+            const center = new THREE.Vector3();
+            const size = new THREE.Vector3();
+            sceneBox.getCenter(center);
+            sceneBox.getSize(size);
+            const maxDim = Math.max(size.x, size.y, size.z) || 100;
+            const distance = Math.max(maxDim * 1.6, 30);
+            camera.near = Math.max(maxDim / 2000, 0.01);
+            camera.far = Math.max(maxDim * 200, 10000);
+            camera.updateProjectionMatrix();
+            camera.position.set(center.x + distance * 0.7, center.y + distance * 0.7, center.z + distance * 0.8);
+            controls.target.copy(center);
+            controls.minDistance = Math.max(maxDim * 0.03, 0.5);
+            controls.maxDistance = Math.max(maxDim * 30, 5000);
+            controls.update();
+        }}
+
+        function setView(direction) {{
+            if (!sceneBox) return;
+            const center = new THREE.Vector3();
+            const size = new THREE.Vector3();
+            sceneBox.getCenter(center);
+            sceneBox.getSize(size);
+            const dist = Math.max(size.x, size.y, size.z) * 1.5;
+            const positions = {{
+                front:  [0, 0, dist],
+                back:   [0, 0, -dist],
+                left:   [-dist, 0, 0],
+                right:  [dist, 0, 0],
+                top:    [0, dist, 0],
+                bottom: [0, -dist, 0],
+                iso:    [dist * 0.7, dist * 0.7, dist * 0.8],
+            }};
+            const pos = positions[direction] || positions.iso;
+            camera.position.set(center.x + pos[0], center.y + pos[1], center.z + pos[2]);
+            controls.target.copy(center);
+            controls.update();
+        }}
+
+        window.setView = setView;
+
+        function buildScene(geometryData, cavityData, pointcloudData) {{
+            cavityDataGlobal = cavityData;
+            const bbox = geometryData.bounding_box || computeBounds([
+                pointcloudData?.points,
+                cavityData?.mold_cavities?.cavity?.vertices,
+                cavityData?.mold_cavities?.core?.vertices
+            ]) || {{ center: [0, 0, 0], dimensions: [100, 100, 100] }};
+            const centerOffset = bbox.center || [0, 0, 0];
+            const width = (bbox.dimensions && bbox.dimensions[0]) || 100;
+            const height = (bbox.dimensions && bbox.dimensions[1]) || 100;
+            const depth = (bbox.dimensions && bbox.dimensions[2]) || 100;
+            const coreRequired = cavityData?.metadata?.core_required !== false;
+            const maxDim = Math.max(width, height, depth) || 100;
+
+            const lods = pointcloudData?.lods;
+            if (lods && lods["0"] && lods["0"].vertices && lods["0"].faces) {{
+                const lodGroup = new THREE.LOD();
+                const lodKeys = Object.keys(lods).sort((a, b) => Number(a) - Number(b));
+                for (const key of lodKeys) {{
+                    const entry = lods[key];
+                    if (!entry.vertices || !entry.faces || entry.vertices.length === 0 || entry.faces.length === 0) continue;
+                    const productVerts = normalizePositions(entry.vertices, centerOffset);
+                    const productFaces = toFlatArray(entry.faces);
+                    if (productVerts.length < 9 || productFaces.length < 3) continue;
+                    const lodGeo = new THREE.BufferGeometry();
+                    lodGeo.setAttribute('position', new THREE.BufferAttribute(new Float32Array(productVerts), 3));
+                    lodGeo.setIndex(new THREE.BufferAttribute(new Uint32Array(productFaces), 1));
+                    lodGeo.computeVertexNormals();
+                    const lodMat = createPBRMaterial(0xFFFFFF, {{ metalness: 0.0, roughness: 0.20, opacity: 0.55 }});
+                    const lodMesh = new THREE.Mesh(lodGeo, lodMat);
+                    lodMesh.castShadow = true;
+                    lodMesh.receiveShadow = true;
+                    const dist = key === "0" ? 0 : key === "1" ? maxDim * 3 : maxDim * 8;
+                    lodGroup.addLevel(lodMesh, dist);
+                }}
+                productMesh = lodGroup;
+                scene.add(productMesh);
+                registerInitialPose(productMesh);
+            }} else if (pointcloudData && pointcloudData.vertices && pointcloudData.faces && pointcloudData.vertices.length > 0 && pointcloudData.faces.length > 0) {{
+                const productVerts = normalizePositions(pointcloudData.vertices, centerOffset);
+                const productFaces = toFlatArray(pointcloudData.faces);
+                if (productVerts.length >= 9 && productFaces.length >= 3) {{
+                    const productGeometry = new THREE.BufferGeometry();
+                    productGeometry.setAttribute('position', new THREE.BufferAttribute(new Float32Array(productVerts), 3));
+                    productGeometry.setIndex(new THREE.BufferAttribute(new Uint32Array(productFaces), 1));
+                    productGeometry.computeVertexNormals();
+                    const productMaterial = createPBRMaterial(0xFFFFFF, {{ metalness: 0.0, roughness: 0.20, opacity: 0.55 }});
+                    productMesh = new THREE.Mesh(productGeometry, productMaterial);
+                    productMesh.castShadow = true;
+                    productMesh.receiveShadow = true;
+                    scene.add(productMesh);
+                    registerInitialPose(productMesh);
+                }}
+            }}
+
+            if (!productMesh && pointcloudData && pointcloudData.points && pointcloudData.points.length > 0) {{
+                const pointPositions = normalizePositions(pointcloudData.points, centerOffset);
+                if (pointPositions.length >= 3) {{
+                    const ptGeometry = new THREE.BufferGeometry();
+                    ptGeometry.setAttribute('position', new THREE.BufferAttribute(new Float32Array(pointPositions), 3));
+                    if (pointcloudData.normals && pointcloudData.normals.length > 0) {{
+                        const normals = new Float32Array(toFlatArray(pointcloudData.normals));
+                        if (normals.length === pointPositions.length) {{
+                            ptGeometry.setAttribute('normal', new THREE.BufferAttribute(normals, 3));
+                        }}
+                    }}
+                    const ptMaterial = new THREE.PointsMaterial({{
+                        color: 0xFFFFFF, size: 0.5, sizeAttenuation: true,
+                        transparent: true, opacity: 0.90, blending: THREE.NormalBlending,
+                        depthWrite: false,
+                    }});
+                    pointcloudMesh = new THREE.Points(ptGeometry, ptMaterial);
+                    pointcloudMesh.visible = pointcloudVisible;
+                    scene.add(pointcloudMesh);
+                    registerInitialPose(pointcloudMesh);
+                }}
+            }}
+
+            if (!productMesh && !pointcloudMesh) {{
+                const productGeometry = new THREE.BoxGeometry(width * 0.9, height * 0.9, depth * 0.9);
+                const productMaterial = createPBRMaterial(0xFFFFFF, {{ metalness: 0.0, roughness: 0.25, opacity: 0.65 }});
+                productMesh = new THREE.Mesh(productGeometry, productMaterial);
+                productMesh.position.set(0, 0, 0);
+                scene.add(productMesh);
+                registerInitialPose(productMesh);
+            }}
+
+            if (cavityData && cavityData.mold_cavities && cavityData.mold_cavities.cavity) {{
+                const cd = cavityData.mold_cavities.cavity;
+                if (cd.vertices && cd.faces && cd.vertices.length > 0 && cd.faces.length > 0) {{
+                    const cavityGeometry = new THREE.BufferGeometry();
+                    const positions = new Float32Array(normalizePositions(cd.vertices, centerOffset));
+                    const indices = new Uint32Array(toFlatArray(cd.faces));
+                    if (isValidIndexedGeometry(positions, indices)) {{
+                        cavityGeometry.setAttribute('position', new THREE.BufferAttribute(positions, 3));
+                        cavityGeometry.setIndex(new THREE.BufferAttribute(indices, 1));
+                        cavityGeometry.computeVertexNormals();
+                        const cavityMaterial = createPBRMaterial(0x4488cc, {{ metalness: 0.7, roughness: 0.3, opacity: 0.45, depthWrite: false }});
+                        cavityMesh = new THREE.Mesh(cavityGeometry, cavityMaterial);
+                        cavityMesh.renderOrder = 1;
+                        scene.add(cavityMesh);
+                        registerInitialPose(cavityMesh);
+                        addWireframe(cavityMesh, cavityGeometry, 0x3388bb);
+                    }}
+                }}
+            }}
+            if (!cavityMesh) createSimpleCavity(width, height, depth, centerOffset);
+
+            if (coreRequired && cavityData && cavityData.mold_cavities && cavityData.mold_cavities.core) {{
+                const cd = cavityData.mold_cavities.core;
+                if (cd.vertices && cd.faces && cd.vertices.length > 0 && cd.faces.length > 0) {{
+                    const coreGeometry = new THREE.BufferGeometry();
+                    const positions = new Float32Array(normalizePositions(cd.vertices, centerOffset));
+                    const indices = new Uint32Array(toFlatArray(cd.faces));
+                    if (isValidIndexedGeometry(positions, indices)) {{
+                        coreGeometry.setAttribute('position', new THREE.BufferAttribute(positions, 3));
+                        coreGeometry.setIndex(new THREE.BufferAttribute(indices, 1));
+                        coreGeometry.computeVertexNormals();
+                        const coreMaterial = createPBRMaterial(0xdd8822, {{ metalness: 0.7, roughness: 0.3, opacity: 0.45, depthWrite: false }});
+                        coreMesh = new THREE.Mesh(coreGeometry, coreMaterial);
+                        coreMesh.renderOrder = 1;
+                        scene.add(coreMesh);
+                        registerInitialPose(coreMesh);
+                        addWireframe(coreMesh, coreGeometry, 0xcc6600);
+                    }}
+                }}
+            }}
+            if (!coreMesh && coreRequired) createSimpleCore(width, height, depth, centerOffset);
+
+            const partingGeometry = new THREE.PlaneGeometry(width * 1.2, height * 1.2);
+            const partingMaterial = new THREE.MeshBasicMaterial({{
+                color: 0xF44336, transparent: true, opacity: 0.25, side: THREE.DoubleSide, depthWrite: false,
+            }});
+            partingMesh = new THREE.Mesh(partingGeometry, partingMaterial);
+            partingMesh.position.set(centerOffset[0], centerOffset[1], centerOffset[2]);
+            partingMesh.renderOrder = 2;
+            scene.add(partingMesh);
+            registerInitialPose(partingMesh);
+
+            if (productMesh) {{
+                if (productMesh.isLOD) {{
+                    productMesh.traverse(child => {{
+                        if (child.isMesh && child.geometry) {{
+                            addWireframe(child, child.geometry, 0xCCCCCC);
+                        }}
+                    }});
+                }} else {{
+                    addWireframe(productMesh, productMesh.geometry, 0xCCCCCC);
+                }}
+            }}
+
+            updateInfoPanel(pointcloudData, cavityData);
+
+            fitCameraToScene();
+        }}
+
+        function addWireframe(parent, geometry, colorHex) {{
+            const wf = new THREE.WireframeGeometry(geometry);
+            const line = new THREE.LineSegments(wf, new THREE.LineBasicMaterial({{
+                color: colorHex, transparent: true, opacity: 0.25, depthTest: true, depthWrite: false,
+            }}));
+            line.renderOrder = 3;
+            parent.add(line);
+        }}
+
+        function createSimpleCavity(width, height, depth, center) {{
+            const halfDepth = depth / 2;
+            const cGeo = new THREE.BoxGeometry(width * 1.2, height * 1.2, halfDepth + 10);
+            const cMat = createPBRMaterial(0x4488cc, {{ metalness: 0.6, roughness: 0.35, opacity: 0.35, depthWrite: false }});
+            cavityMesh = new THREE.Mesh(cGeo, cMat);
+            cavityMesh.position.set(center[0], center[1], center[2] + halfDepth / 2 + 5);
+            cavityMesh.renderOrder = 1;
+            scene.add(cavityMesh);
+            registerInitialPose(cavityMesh);
+            addWireframe(cavityMesh, cGeo, 0x3388bb);
+        }}
+
+        function createSimpleCore(width, height, depth, center) {{
+            const halfDepth = depth / 2;
+            const cGeo = new THREE.BoxGeometry(width * 1.2, height * 1.2, halfDepth + 10);
+            const cMat = createPBRMaterial(0xdd8822, {{ metalness: 0.6, roughness: 0.35, opacity: 0.35, depthWrite: false }});
+            coreMesh = new THREE.Mesh(cGeo, cMat);
+            coreMesh.position.set(center[0], center[1], center[2] - halfDepth / 2 - 5);
+            coreMesh.renderOrder = 1;
+            scene.add(coreMesh);
+            registerInitialPose(coreMesh);
+            addWireframe(coreMesh, cGeo, 0xcc6600);
+        }}
+
+        function updateInfoPanel(pointcloudData, cavityData) {{
+            const verts = pointcloudData?.vertex_count || cavityData?.mold_cavities?.cavity?.vertex_count || '-';
+            const faces = pointcloudData?.face_count || cavityData?.mold_cavities?.cavity?.face_count || '-';
+            const pts = pointcloudData?.point_count || '-';
+            const vol = cavityData?.mold_cavities?.cavity_key_info?.geometric_characteristics?.product_volume || '-';
+            document.getElementById('info-verts').textContent = typeof verts === 'number' ? verts.toLocaleString() : verts;
+            document.getElementById('info-faces').textContent = typeof faces === 'number' ? faces.toLocaleString() : faces;
+            document.getElementById('info-points').textContent = typeof pts === 'number' ? pts.toLocaleString() : pts;
+            document.getElementById('info-vol').textContent = vol;
+
+            const panel = document.getElementById('cavity-info-panel');
+            if (panel && cavityData) {{
+                panel.style.display = 'block';
+                const meta = cavityData.metadata || {{}};
+                const mfg = cavityData.manufacturing_info || {{}};
+                const geo = cavityData.mold_cavities?.cavity_key_info?.geometric_characteristics || {{}};
+                const setVal = (id, val) => {{ const el = document.getElementById(id); if (el) el.textContent = val || 'N/A'; }};
+                setVal('cp-shrink', meta.shrinkage_rate);
+                setVal('cp-draft', meta.draft_angle != null ? meta.draft_angle + '°' : null);
+                setVal('cp-parting', mfg.parting_line_length);
+                setVal('cp-vol', geo.product_volume);
+                setVal('cp-weight', geo.product_weight);
+                setVal('cp-wall', geo.wall_thickness_range);
+                setVal('cp-material', mfg.mold_material);
+                setVal('cp-hardness', mfg.mold_hardness);
+                setVal('cp-finish', mfg.surface_finish);
+                setVal('cp-cycle', mfg.estimated_cycle_time);
+            }}
+        }}
+
+        async function loadData() {{
+            const statusEl = document.getElementById('loading-status');
+            try {{
+                statusEl.textContent = '正在加载几何数据...';
+                const resp = await fetch(DATA_URL);
+                if (!resp.ok) throw new Error(`HTTP ${{resp.status}}`);
+                const data = await resp.json();
+                statusEl.textContent = '正在构建3D场景...';
+
+                await new Promise(r => setTimeout(r, 30));
+
+                buildScene(
+                    data.geometry || {{}},
+                    data.cavity || null,
+                    data.pointcloud || null
+                );
+
+                statusEl.textContent = '完成';
+                document.getElementById('loading-overlay').classList.add('hidden');
+            }} catch (err) {{
+                console.error('数据加载失败:', err);
+                statusEl.textContent = '加载失败: ' + err.message;
+                statusEl.style.color = '#F44336';
+            }}
+        }}
+
+        function animate() {{
+            requestAnimationFrame(animate);
+            controls.update();
+            renderer.render(scene, camera);
+        }}
+
+        loadData().then(() => animate());
+
+        window.addEventListener('resize', () => {{
+            camera.aspect = window.innerWidth / window.innerHeight;
+            camera.updateProjectionMatrix();
+            renderer.setSize(window.innerWidth, window.innerHeight);
+        }});
+
+        window.resetView = function() {{
+            if (splitAnimId) {{ cancelAnimationFrame(splitAnimId); splitAnimId = null; }}
+            isSplit = false;
+            const btn = document.getElementById('splitBtn');
+            if (btn) btn.textContent = '分模拆分';
+            [productMesh, cavityMesh, coreMesh, partingMesh, pointcloudMesh].forEach(mesh => {{
+                if (!mesh) return;
+                if (mesh.userData.initialPosition) mesh.position.copy(mesh.userData.initialPosition);
+                else mesh.position.set(0, 0, 0);
+                mesh.visible = mesh.userData.initialVisible !== false;
+            }});
+            if (partingMesh && partingMesh.material) {{ partingMesh.material.opacity = 0.25; partingMesh.visible = true; }}
+            productVisible = true; moldVisible = true; partingVisible = true;
+            document.getElementById('btn-product').classList.add('active');
+            document.getElementById('btn-mold').classList.add('active');
+            document.getElementById('btn-parting').classList.add('active');
+            fitCameraToScene();
+        }};
+
+        window.toggleWireframe = function() {{
+            scene.traverse(child => {{ if (child.isMesh) child.material.wireframe = !child.material.wireframe; }});
+        }};
+
+        window.toggleProduct = function() {{
+            if (!productMesh && !pointcloudMesh) return;
+            productVisible = !productVisible;
+            if (productMesh) productMesh.visible = productVisible;
+            document.getElementById('btn-product').classList.toggle('active', productVisible);
+        }};
+
+        window.toggleMold = function() {{
+            moldVisible = !moldVisible;
+            if (cavityMesh) cavityMesh.visible = moldVisible;
+            if (coreMesh) coreMesh.visible = moldVisible;
+            document.getElementById('btn-mold').classList.toggle('active', moldVisible);
+        }};
+
+        window.toggleParting = function() {{
+            partingVisible = !partingVisible;
+            if (partingMesh) partingMesh.visible = partingVisible;
+            document.getElementById('btn-parting').classList.toggle('active', partingVisible);
+        }};
+
+        window.togglePointcloud = function() {{
+            pointcloudVisible = !pointcloudVisible;
+            if (pointcloudMesh) pointcloudMesh.visible = pointcloudVisible;
+            document.getElementById('btn-pointcloud').classList.toggle('active', pointcloudVisible);
+        }};
+
+        function getPartingDirection() {{
+            if (cavityDataGlobal?.metadata?.parting_direction) return cavityDataGlobal.metadata.parting_direction;
+            if (cavityDataGlobal?.manufacturing_info?.parting_direction) return cavityDataGlobal.manufacturing_info.parting_direction;
+            if (cavityDataGlobal?.metadata?.is_foam) return 'Z';
+            return 'Z';
+        }}
+
+        window.splitMold = function() {{
+            if (!cavityMesh && !coreMesh) return;
+            isSplit = !isSplit;
+            const btn = document.getElementById('splitBtn');
+            btn.textContent = isSplit ? '合模' : '分模拆分';
+
+            const dir = getPartingDirection();
+            let splitDist, axis;
+            if (dir === 'Z') {{ splitDist = (sceneBox ? sceneBox.getSize(new THREE.Vector3()).z : 100) * 0.4; axis = 'z'; }}
+            else if (dir === 'Y') {{ splitDist = (sceneBox ? sceneBox.getSize(new THREE.Vector3()).y : 100) * 0.4; axis = 'y'; }}
+            else {{ splitDist = (sceneBox ? sceneBox.getSize(new THREE.Vector3()).x : 100) * 0.4; axis = 'x'; }}
+
+            const partingTargetOpacity = isSplit ? 0 : 0.25;
+            const cavityStart = cavityMesh ? cavityMesh.position[axis] : 0;
+            const coreStart = coreMesh ? coreMesh.position[axis] : 0;
+            const partingStartOpacity = partingMesh ? partingMesh.material.opacity : 0.25;
+            const cavityTarget = isSplit ? splitDist : 0;
+            const coreTarget = isSplit ? -splitDist : 0;
+
+            const duration = 900;
+            const startTime = performance.now();
+            if (splitAnimId) cancelAnimationFrame(splitAnimId);
+
+            function animateSplit(now) {{
+                const elapsed = now - startTime;
+                const t = Math.min(elapsed / duration, 1);
+                const ease = t < 0.5 ? 2 * t * t : -1 + (4 - 2 * t) * t;
+                if (cavityMesh) cavityMesh.position[axis] = cavityStart + (cavityTarget - cavityStart) * ease;
+                if (coreMesh) coreMesh.position[axis] = coreStart + (coreTarget - coreStart) * ease;
+                if (partingMesh) {{
+                    partingMesh.material.opacity = partingStartOpacity + (partingTargetOpacity - partingStartOpacity) * ease;
+                    partingMesh.visible = !(isSplit && t >= 1);
+                }}
+                if (t < 1) splitAnimId = requestAnimationFrame(animateSplit);
+                else splitAnimId = null;
+            }}
+            splitAnimId = requestAnimationFrame(animateSplit);
+        }};
+    </script>
+</body>
+</html>"""
+        return html_content
+
+    def _build_cavity_info_panel_template(self) -> str:
+        """构建型腔信息面板 — 由JS动态填充，这里放置容器"""
+        return """
+                <div id="cavity-info-panel">
+                    <h3>🔧 关键工艺参数</h3>
+                    <div style="margin: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 5px;">
+                        <strong style="color: #FF9800;">模具参数</strong>
+                    </div>
+                    <div class="metric"><span class="metric-label">收缩率</span><span class="metric-value" id="cp-shrink">-</span></div>
+                    <div class="metric"><span class="metric-label">拔模角</span><span class="metric-value" id="cp-draft">-</span></div>
+                    <div class="metric"><span class="metric-label">分型线长度</span><span class="metric-value" id="cp-parting">-</span></div>
+                    <div style="margin: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 5px;">
+                        <strong style="color: #FF9800;">几何特性</strong>
+                    </div>
+                    <div class="metric"><span class="metric-label">产品体积</span><span class="metric-value" id="cp-vol">-</span></div>
+                    <div class="metric"><span class="metric-label">产品重量</span><span class="metric-value" id="cp-weight">-</span></div>
+                    <div class="metric"><span class="metric-label">壁厚范围</span><span class="metric-value" id="cp-wall">-</span></div>
+                    <div style="margin: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 5px;">
+                        <strong style="color: #FF9800;">制造要求</strong>
+                    </div>
+                    <div class="metric"><span class="metric-label">模仁材料</span><span class="metric-value" id="cp-material">-</span></div>
+                    <div class="metric"><span class="metric-label">硬度</span><span class="metric-value" id="cp-hardness">-</span></div>
+                    <div class="metric"><span class="metric-label">表面光洁度</span><span class="metric-value" id="cp-finish">-</span></div>
+                    <div class="metric"><span class="metric-label">预估周期</span><span class="metric-value" id="cp-cycle">-</span></div>
+                </div>
+                """
+
+    def generate_3d_viewer_data(
+        self,
+        geometry_data: Dict[str, Any],
+        cavity_data: Optional[Dict[str, Any]] = None,
+        pointcloud_data: Optional[Dict[str, Any]] = None,
+        lod_data: Optional[Dict[str, Any]] = None,
+    ) -> Dict[str, Any]:
+        """生成companion JSON数据文件内容，支持多级LOD"""
+        pc = dict(pointcloud_data) if pointcloud_data else {}
+        if lod_data and lod_data.get("lods"):
+            pc["lods"] = lod_data["lods"]
+        data = {
+            "version": "4.0.0",
+            "generated_at": datetime.now().isoformat(),
+            "geometry": geometry_data,
+            "cavity": cavity_data,
+            "pointcloud": pc if pc else pointcloud_data,
+        }
+        return data
+
+    def save_html_file(self, html_content: str, filename: str) -> str:
+        """保存HTML文件到磁盘"""
+        try:
+            file_path = self.output_dir / filename
+            file_path.write_text(html_content, encoding='utf-8')
+            logger.info(f"HTML文件保存成功: {file_path}")
+            return str(file_path)
+        except Exception as e:
+            logger.error(f"保存HTML文件失败: {e}")
+            raise
+
+    def save_data_file(self, data_content: Dict[str, Any], filename: str) -> str:
+        """保存JSON数据文件到磁盘 — 使用orjson高速序列化"""
+        try:
+            file_path = self.output_dir / filename
+            file_path.write_bytes(_json_dumps(data_content))
+            logger.info(f"数据文件保存成功: {file_path} (orjson={_JSON_FAST})")
+            return str(file_path)
+        except Exception as e:
+            logger.error(f"保存数据文件失败: {e}")
+            raise
+
+    def generate_and_save_visualization(
+        self,
+        geometry_data: Dict[str, Any],
+        stp_filename: str,
+        cavity_data: Optional[Dict[str, Any]] = None,
+        pointcloud_data: Optional[Dict[str, Any]] = None,
+        suffix: Optional[str] = None,
+        lod_data: Optional[Dict[str, Any]] = None,
+    ) -> str:
+        """生成并保存可视化HTML + companion JSON数据文件。返回HTML文件路径（向后兼容）"""
+        try:
+            base_stem = Path(stp_filename).stem.replace(" ", "_")
+            ts = datetime.now().strftime("%Y%m%d_%H%M%S")
+            suffix_part = f"_{suffix}" if suffix else ""
+            base_name = f"mold_{base_stem}{suffix_part}_{ts}"
+
+            html_filename = f"{base_name}.html"
+            data_filename = f"{base_name}_data.json"
+
+            data_content = self.generate_3d_viewer_data(
+                geometry_data, cavity_data, pointcloud_data, lod_data=lod_data
+            )
+            self.save_data_file(data_content, data_filename)
+
+            html_content = self.generate_3d_viewer_html(stp_filename, data_filename)
+            html_file_path = self.save_html_file(html_content, html_filename)
+
+            return html_file_path
+
+        except Exception as e:
+            logger.error(f"生成可视化文件失败: {e}")
+            raise