fix:[FL-153][导入雷电分布数据改成导入地闪密度数据]

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-authored-by: multica-agent <github@multica.ai>

api/app/services/lightning_service.py

@@ -583,7 +583,7 @@ def import_lightning_distribution_from_file(
         inserted_count += len(rows_to_insert)
 
     if inserted_count == 0:
-        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="未解析到可导入的有效雷电分布记录")
+        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="未解析到可导入的有效地闪密度记录")
 
     db.commit()
     _publish_lightning_change(

api/app/services/seed_service.py

@@ -275,7 +275,7 @@ DEFAULT_MENUS: list[dict[str, object]] = [
     },
     {
         "code": "admin.lightning_distribution",
-        "name": "雷电分布统计",
+        "name": "地闪密度统计",
         "path": "/admin/lightning-distribution",
         "icon": "Map",
         "parent_code": None,