imput导入修正，去除掉废弃内容

src/gui/panels/step13_report_panel.py

@@ -5,16 +5,11 @@ ReportGenerationPanel - Word 分析报告生成面板
 """
 
 import os
-import sys
 import traceback
 from pathlib import Path
 from typing import Optional
 
-# 路径归一化 helper（与 pipeline.get_step_output_dir 互为表里）
-_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
+from src.gui.panels._step_path_resolver import resolve_subdir
 
 from PyQt5.QtCore import Qt, QThread, pyqtSignal, QSettings
 from PyQt5.QtWidgets import (