feat: add delete execution feature with progress tracking and dryrun mode

- Add ExecutionConfig for dryrun settings in config schema
- Create DeleteProgressWindow widget for real-time progress display
- Integrate delete execution flow in MaterialValidationTab with threading
- Add dryrun checkbox for admin users in settings
- Add progress callback support to DiscreteMaterialPlanCleaner
- Add markdown report generation with statistics
- Include tkinterweb and markdown2 dependencies for report rendering

Co-Authored-By: Claude (glm-5) <noreply@anthropic.com>

gui/settings_tab.py

@@ -63,12 +63,18 @@ class SettingsTab(ttk.Frame):
             self._create_validation_group(scrollable_frame)
             self._create_ui_group(scrollable_frame)
         else:
-            # User 用户：只显示路径配置
+            # User 用户：显示路径配置和执行设置
             self._create_paths_group(scrollable_frame)
+            self._create_user_execution_group(scrollable_frame)
 
         # 按钮区域 - 根据用户类型显示不同按钮
         button_frame = ttk.Frame(scrollable_frame)
-        button_frame.grid(row=7, column=0, columnspan=2, pady=20, sticky="ew")
+        if is_user_only:
+            # User 用户：显示测试按钮和保存设置按钮（row=4 因为有执行设置组）
+            button_frame.grid(row=4, column=0, columnspan=2, pady=20, sticky="ew")
+        else:
+            # 管理员显示所有按钮
+            button_frame.grid(row=7, column=0, columnspan=2, pady=20, sticky="ew")
 
         if is_user_only:
             # User 用户：显示测试按钮和保存设置按钮
@@ -225,8 +231,14 @@ class SettingsTab(ttk.Frame):
 
     def _create_paths_group(self, parent):
         """创建路径配置组"""
+        # 根据用户类型调整 grid 位置
+        is_user_only = self.session_manager and self.session_manager.get_user_type() == 'User'
+
         group = ttk.LabelFrame(parent, text="路径设置", padding=10)
-        group.grid(row=2, column=1, pady=10, padx=10, sticky="nsew")
+        if is_user_only:
+            group.grid(row=2, column=1, pady=10, padx=10, sticky="nsew")
+        else:
+            group.grid(row=2, column=1, pady=10, padx=10, sticky="nsew")
 
         from gui.widgets import FileSelector
 
@@ -255,6 +267,27 @@ class SettingsTab(ttk.Frame):
 
         group.columnconfigure(0, weight=1)
 
+    def _create_user_execution_group(self, parent):
+        """创建 User 用户的执行设置组"""
+        group = ttk.LabelFrame(parent, text="执行设置", padding=10)
+        group.grid(row=3, column=0, columnspan=2, pady=10, padx=10, sticky="ew")
+
+        # dryrun 模式设置
+        self.user_dryrun_var = tk.BooleanVar(value=False)
+        ttk.Checkbutton(
+            group,
+            text="预览模式 (执行删除时不保存更改)",
+            variable=self.user_dryrun_var
+        ).grid(row=0, column=0, sticky="w", pady=5)
+
+        # 说明文字
+        hint_label = ttk.Label(
+            group,
+            text="提示：勾选后，执行删除操作时将只预览不实际保存，用于测试流程。",
+            foreground="gray"
+        )
+        hint_label.grid(row=1, column=0, sticky="w", pady=(0, 5))
+
     def _create_extraction_group(self, parent):
         """创建处理配置组"""
         group = ttk.LabelFrame(parent, text="数据提取设置", padding=10)
@@ -398,6 +431,8 @@ class SettingsTab(ttk.Frame):
             self.data_dir_selector.set(self.config.get("paths.data_dir", ""))
             self.default_output_var.set(self.config.get("paths.default_output", ""))
             self.validation_output_filename_var.set(self.config.get("paths.validation_output", ""))
+            # 执行设置
+            self.user_dryrun_var.set(self.config.get("execution.dryrun", False))
             return
 
         # 管理员模式 - 加载所有配置
@@ -462,10 +497,12 @@ class SettingsTab(ttk.Frame):
         is_user_only = self.session_manager and self.session_manager.get_user_type() == 'User'
 
         if is_user_only:
-            # User 用户模式 - 只保存路径设置
+            # User 用户模式 - 只保存路径设置和执行设置
             self.config.set("paths.data_dir", self.data_dir_selector.get())
             self.config.set("paths.default_output", self.default_output_var.get())
             self.config.set("paths.validation_output", self.validation_output_filename_var.get())
+            # 保存执行设置
+            self.config.set("execution.dryrun", self.user_dryrun_var.get())
 
             # 保存到文件
             if self.config.save():