增加celery任务队列，任务持久化（服务重启不丢）、支持多 Worker 水平扩展、失败自动重试

src/services/processing_service.py

@@ -65,8 +65,15 @@ class ProcessingService:
             try:
                 logger.info(f"开始处理文件并生成模具型腔: {file_path}")
 
-                # 设置处理超时（5分钟）
-                timeout_seconds = 300
+                from config.settings import settings
+
+                file_size_bytes = Path(file_path).stat().st_size if Path(file_path).exists() else 0
+                file_size_mb = max(file_size_bytes / (1024 * 1024), 1)
+                timeout_seconds = min(
+                    max(settings.PROCESSING_TIMEOUT_BASE, int(file_size_mb * settings.PROCESSING_TIMEOUT_PER_MB)),
+                    1800,
+                )
+                logger.info(f"处理超时设置为 {timeout_seconds}s (文件 {file_size_mb:.1f}MB)")
 
                 try:
                     await asyncio.wait_for(
@@ -575,7 +582,7 @@ class ProcessingService:
         pointcloud_data: Optional[Dict[str, Any]] = None,
         lod_data: Optional[Dict[str, Any]] = None,
     ) -> Dict[str, Any]:
-        """为每个候选分模方案生成独立HTML预览链接。"""
+        """为候选分模方案生成轻量摘要链接（完整HTML仅最优方案按需生成）"""
         candidate_schemes = detailed_cavity_json.get("candidate_schemes", [])
         if not candidate_schemes:
             return detailed_cavity_json
@@ -585,15 +592,14 @@ class ProcessingService:
             if not cavity_data:
                 continue
             suffix = scheme.get("scheme_id")
-            html_path = self.html_generator.generate_and_save_visualization(
-                geometry_data,
-                stp_filename,
-                cavity_data=cavity_data,
-                pointcloud_data=pointcloud_data,
-                suffix=suffix,
-                lod_data=lod_data,
+            base_stem = Path(stp_filename).stem.replace(" ", "_")
+            ts = datetime.now().strftime("%Y%m%d_%H%M%S")
+            summary_name = f"mold_{base_stem}_{suffix}_{ts}_summary.json"
+            summary_content = self.html_generator.generate_3d_viewer_summary(
+                geometry_data, cavity_data
             )
-            scheme["html_file"] = f"/html/{Path(html_path).name}"
+            self.html_generator.save_data_file(summary_content, summary_name)
+            scheme["summary_file"] = f"/html/{summary_name}"
 
         best_scheme = CalculationService.get_best_scheme(detailed_cavity_json)
         if best_scheme: