refactor: 清理未使用代码并添加未来功能标记

style: 统一代码格式和注释风格

docs: 更新多个功能文档的完整度和状态

feat(runtime): 添加路径验证工具支持

fix(pipeline): 改进条件判断和变量解析逻辑

test(types): 为ID类型添加全面测试用例

chore: 更新依赖项和Cargo.lock文件

perf(mcp): 优化MCP协议传输和错误处理

crates/zclaw-kernel/src/generation.rs

@@ -704,6 +704,7 @@ Actions can be:
     }
 
     /// Generate scene using LLM
+    #[allow(dead_code)] // Reserved for future LLM-based scene generation
     async fn generate_scene_with_llm(
         &self,
         driver: &dyn LlmDriver,
@@ -787,6 +788,7 @@ Ensure the outline is coherent and follows good pedagogical practices."#.to_stri
     }
 
     /// Get system prompt for scene generation
+    #[allow(dead_code)] // Reserved for future use
     fn get_scene_system_prompt(&self) -> String {
         r#"You are an expert educational content creator. Your task is to generate detailed teaching scenes.
 
@@ -871,6 +873,7 @@ Actions can be:
     }
 
     /// Parse scene from LLM response text
+    #[allow(dead_code)] // Reserved for future use
     fn parse_scene_from_text(&self, text: &str, item: &OutlineItem, order: usize) -> Result<GeneratedScene> {
         let json_text = self.extract_json(text);
 
@@ -902,6 +905,7 @@ Actions can be:
     }
 
     /// Parse actions from scene data
+    #[allow(dead_code)] // Reserved for future use
     fn parse_actions(&self, scene_data: &serde_json::Value) -> Vec<SceneAction> {
         scene_data.get("actions")
             .and_then(|v| v.as_array())
@@ -914,6 +918,7 @@ Actions can be:
     }
 
     /// Parse single action
+    #[allow(dead_code)] // Reserved for future use
     fn parse_single_action(&self, action: &serde_json::Value) -> Option<SceneAction> {
         let action_type = action.get("type")?.as_str()?;
 
@@ -1058,6 +1063,7 @@ Generate {} outline items that flow logically and cover the topic comprehensivel
     }
 
     /// Generate scene for outline item (would be replaced by LLM call)
+    #[allow(dead_code)] // Reserved for future use
     fn generate_scene_for_item(&self, item: &OutlineItem, order: usize) -> Result<GeneratedScene> {
         let actions = match item.scene_type {
             SceneType::Slide => vec![