fix(gui): step9_panel增加pipeline.indices_path读取，解决step8产出断链问题

src/gui/panels/step9_panel.py

@@ -312,6 +312,16 @@ class Step9Panel(QWidget):
                     if not existing or not existing.strip():
                         self.csv_file.set_path(step8_output_path)
 
+            # 1.2 尝试从 pipeline 读取 Step 8 宽表 indices_path（优先级最高）
+            if pipeline and hasattr(pipeline, 'indices_path') and pipeline.indices_path:
+                step8_indices_path = pipeline.indices_path
+                if not os.path.isabs(step8_indices_path):
+                    step8_indices_path = os.path.join(self.work_dir or '', step8_indices_path).replace('\\', '/')
+                current_path = self.csv_file.get_path()
+                if not current_path or not current_path.strip():
+                    self.csv_file.set_path(step8_indices_path)
+                    print(f"✅ 从pipeline.indices_path回填Step8产出: {step8_indices_path}")
+
             # 1.5 自动探测并回填 Step 8 双轨输出的 Traditional_Indices 目录
             if self.work_dir:
                 trad_indices_dir = os.path.join(