imput导入修正，去除掉废弃内容

src/gui/panels/step3_panel.py

@@ -5,13 +5,9 @@ Step3 面板 - 耀斑去除 (已移除“启用此步骤”)
 """
 
 import os
-import sys
 from pathlib import Path
 
-_HERE = os.path.dirname(os.path.abspath(__file__))
-if _HERE not in sys.path:
-    sys.path.insert(0, _HERE)
-from _step_path_resolver import resolve_subdir, scan_work_dir_for_input
+from src.gui.panels._step_path_resolver import resolve_subdir, scan_work_dir_for_input
 
 from PyQt5.QtWidgets import (
     QWidget, QVBoxLayout, QHBoxLayout, QGroupBox, QFormLayout,
@@ -268,7 +264,7 @@ class Step3Panel(QWidget):
         form_layout.addRow(row_layout)
 
     def open_interactive_viewer(self):
-        from src.gui.water_quality_gui import InteractiveViewerDialog
+        from src.gui.components.chart_dialogs import InteractiveViewerDialog
         img_path = self.img_file.get_path()
         if not img_path or not os.path.isfile(img_path):
             QMessageBox.warning(self, "警告", "请先选择影像文件！")
@@ -381,7 +377,7 @@ class Step3Panel(QWidget):
             config['sugar_iter'] = self.sugar_iter.value() if self.sugar_iter.value() > 0 else None
             config['sugar_sigma'] = self._safe_float(self.sugar_sigma, 1.0)
             config['sugar_estimate_background'] = self.sugar_estimate_background.isChecked()
-            config['sugar_glint_mask_method'] = self.sugar_glint_mask_method.currentData()
+            config['sugar_glint_mask_method'] = self.sugar_glint_mask_method.currentText()
             config['sugar_termination_thresh'] = self._safe_float(self.sugar_termination_thresh, 20.0)
             try:
                 import ast