refactor: 统一项目名称从OpenFang到ZCLAW

重构所有代码和文档中的项目名称，将OpenFang统一更新为ZCLAW。包括：
- 配置文件中的项目名称
- 代码注释和文档引用
- 环境变量和路径
- 类型定义和接口名称
- 测试用例和模拟数据

同时优化部分代码结构，移除未使用的模块，并更新相关依赖项。

crates/zclaw-pipeline/src/actions/export.rs

@@ -46,11 +46,14 @@ pub async fn export_files(
                     .map_err(|e| ActionError::Export(format!("Write error: {}", e)))?;
             }
             ExportFormat::Pptx => {
-                // Will integrate with zclaw-kernel export
-                return Err(ActionError::Export("PPTX export requires kernel integration".to_string()));
+                return Err(ActionError::Export(
+                    "PPTX 导出暂不可用。桌面端可通过 Pipeline 结果面板使用 JSON 格式导出后转换。".to_string(),
+                ));
             }
             ExportFormat::Pdf => {
-                return Err(ActionError::Export("PDF export not yet implemented".to_string()));
+                return Err(ActionError::Export(
+                    "PDF 导出暂不可用。桌面端可通过 Pipeline 结果面板使用 HTML 格式导出后通过浏览器打印为 PDF。".to_string(),
+                ));
             }
         }
 

crates/zclaw-pipeline/src/actions/hand.rs

@@ -1,21 +0,0 @@
-//! Hand execution action
-
-use std::collections::HashMap;
-use serde_json::Value;
-
-use super::ActionError;
-
-/// Execute a hand action
-pub async fn execute_hand(
-    hand_id: &str,
-    action: &str,
-    _params: HashMap<String, Value>,
-) -> Result<Value, ActionError> {
-    // This will be implemented by injecting the hand registry
-    // For now, return an error indicating it needs configuration
-
-    Err(ActionError::Hand(format!(
-        "Hand '{}' action '{}' requires hand registry configuration",
-        hand_id, action
-    )))
-}

crates/zclaw-pipeline/src/actions/mod.rs

@@ -7,8 +7,6 @@ mod parallel;
 mod render;
 mod export;
 mod http;
-mod skill;
-mod hand;
 mod orchestration;
 
 pub use llm::*;
@@ -16,8 +14,6 @@ pub use parallel::*;
 pub use render::*;
 pub use export::*;
 pub use http::*;
-pub use skill::*;
-pub use hand::*;
 pub use orchestration::*;
 
 use std::collections::HashMap;
@@ -256,11 +252,14 @@ impl ActionRegistry {
                 tokio::fs::write(&path, content).await?;
             }
             ExportFormat::Pptx => {
-                // Will integrate with pptx exporter
-                return Err(ActionError::Export("PPTX export not yet implemented".to_string()));
+                return Err(ActionError::Export(
+                    "PPTX 导出暂不可用。桌面端可通过 Pipeline 结果面板使用 JSON 格式导出后转换。".to_string(),
+                ));
             }
             ExportFormat::Pdf => {
-                return Err(ActionError::Export("PDF export not yet implemented".to_string()));
+                return Err(ActionError::Export(
+                    "PDF 导出暂不可用。桌面端可通过 Pipeline 结果面板使用 HTML 格式导出后通过浏览器打印为 PDF。".to_string(),
+                ));
             }
         }
 

crates/zclaw-pipeline/src/actions/skill.rs

@@ -1,20 +0,0 @@
-//! Skill execution action
-
-use std::collections::HashMap;
-use serde_json::Value;
-
-use super::ActionError;
-
-/// Execute a skill by ID
-pub async fn execute_skill(
-    skill_id: &str,
-    _input: HashMap<String, Value>,
-) -> Result<Value, ActionError> {
-    // This will be implemented by injecting the skill registry
-    // For now, return an error indicating it needs configuration
-
-    Err(ActionError::Skill(format!(
-        "Skill '{}' execution requires skill registry configuration",
-        skill_id
-    )))
-}