旧 GUI 张冠李戴修复：step6/step8 ML 训练 CSV 强制读 Step 6 特征结果 + step3 默认算法切到 goodman

src/gui/water_quality_gui.py

@@ -1367,7 +1367,7 @@ class WaterQualityGUI(QMainWindow):
         self.step_default_outputs = {
             'step1': "1_water_mask/water_mask_from_ndwi.dat",
             'step2': "2_Glint_Detection/severe_glint_area.dat",
-            'step3': "3_deglint/deglint_kutser.bsq",
+            'step3': "3_deglint/deglint_goodman.bsq",
             'step4_sampling': "4_sampling/sampling_spectra.csv",
             'step5_clean': "5_Data_Cleaning/processed_data.csv",
             'step6_feature': "6_Spectral_Feature_Extraction/training_spectra.csv",
@@ -2361,9 +2361,11 @@ class WaterQualityGUI(QMainWindow):
                 deglint_path = work_path / rel_path
                 if deglint_path.exists():
                     return str(deglint_path)
-            # 还要检查插值方法生成的文件
+            # 还要检查 Kutser 算法输出与插值方法生成的文件
             deglint_dir = work_path / "3_deglint"
             if deglint_dir.exists():
+                for file_path in deglint_dir.glob("deglint_*.bsq"):
+                    return str(file_path)
                 for file_path in deglint_dir.glob("interpolated_*.bsq"):
                     return str(file_path)
         elif rel_path: