x

src/moldinsight/services/calculation_service.py

@@ -272,13 +272,13 @@ class CalculationService:
             if quality_checks:
                 detailed_cavity_json["quality_checks"] = quality_checks
 
-            undercut_regions = quality_checks.get("undercut_regions")
-            if undercut_regions:
-                detailed_cavity_json["undercut_regions"] = undercut_regions
+            undercut_summary = quality_checks.get("undercut_summary")
+            if undercut_summary:
+                detailed_cavity_json["undercut_regions"] = []  # 详情在 scheme 级别
 
-            side_actions = quality_checks.get("side_actions")
-            if side_actions:
-                detailed_cavity_json["side_actions"] = side_actions
+            side_action_summary = quality_checks.get("side_action_summary")
+            if side_action_summary:
+                detailed_cavity_json["side_actions"] = {"summary": side_action_summary}
 
         # 添加型腔关键信息
         detailed_cavity_json["mold_cavities"]["cavity_key_info"] = {

src/moldinsight/services/llm_service.py

@@ -336,7 +336,7 @@ class LLMService:
             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=features or "无特征检测数据",
+            features=trimmed or "无特征检测数据",
             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.get("mold_material", "自动选择"),
@@ -350,13 +350,12 @@ class LLMService:
         )
 
     def _build_side_action_prompt(self, analysis_result, detailed_cavity_json) -> str:
-        features = json.dumps(
-            analysis_result.get("detected_features", []),
-            ensure_ascii=False,
-            indent=2,
+        features = self._prioritize_features_for_side_action(
+            analysis_result.get("detected_features", [])
         )
-        if len(features) > 2500:
-            features = features[:2500] + "\n... (已截断)"
+        trimmed = json.dumps(features, ensure_ascii=False, indent=2)
+        if len(trimmed) > 2500:
+            trimmed = trimmed[:2500] + "\n... (已截断)"
 
         best_scheme = {}
         if detailed_cavity_json:
@@ -449,6 +448,27 @@ class LLMService:
             content = resp.json()["choices"][0]["message"]["content"]
             return content.strip() if content else None
 
+    @staticmethod
+    def _prioritize_features_for_side_action(
+        features: List[Dict[str, Any]],
+    ) -> List[Dict[str, Any]]:
+        """按倒扣/抽芯相关性排序，优先保留关键特征，避免 prompt 截断丢失重要信息。
+
+        优先级：draft_angle > high_curvature > thin_wall/thick_wall/wall_non_uniform > 其它
+        """
+        high_priority = {"draft_angle", "high_curvature"}
+        medium_priority = {"thin_wall", "thick_wall", "wall_non_uniform", "undercut"}
+        high, medium, rest = [], [], []
+        for f in features:
+            ft = f.get("feature_type", "")
+            if ft in high_priority:
+                high.append(f)
+            elif ft in medium_priority:
+                medium.append(f)
+            else:
+                rest.append(f)
+        return high + medium + rest
+
     @staticmethod
     def _parse_json_response(raw):
         try:

src/moldinsight/services/processing_service.py

@@ -47,7 +47,8 @@ class ProcessingService:
         self.multi_scheme_planner = MultiSchemeMoldPlanner()
         self.cad_exporter = CADExporter()
         self._export_shapes_cache: Dict[str, Dict[str, Dict[str, Any]]] = {}
-        self._occ_executor = ThreadPoolExecutor(max_workers=2, thread_name_prefix="occ")
+        # OCC 非线程安全，max_workers=1 保证所有 OCC 操作序列化执行，避免偶发崩溃
+        self._occ_executor = ThreadPoolExecutor(max_workers=1, thread_name_prefix="occ")
 
     # ─── 对外入口 ───