feat: 新增技能编排引擎和工作流构建器组件

refactor: 统一Hands系统常量到单个源文件
refactor: 更新Hands中文名称和描述

fix: 修复技能市场在连接状态变化时重新加载
fix: 修复身份变更提案的错误处理逻辑

docs: 更新多个功能文档的验证状态和实现位置
docs: 更新Hands系统文档

test: 添加测试文件验证工作区路径

crates/zclaw-skills/src/loader.rs

@@ -42,6 +42,7 @@ pub fn parse_skill_md(content: &str) -> Result<SkillManifest> {
     let mut capabilities = Vec::new();
     let mut tags = Vec::new();
     let mut triggers = Vec::new();
+    let mut category: Option<String> = None;
     let mut in_triggers_list = false;
 
     // Parse frontmatter if present
@@ -62,6 +63,12 @@ pub fn parse_skill_md(content: &str) -> Result<SkillManifest> {
                     in_triggers_list = false;
                 }
 
+                // Parse category field
+                if let Some(cat) = line.strip_prefix("category:") {
+                    category = Some(cat.trim().trim_matches('"').to_string());
+                    continue;
+                }
+
                 if let Some((key, value)) = line.split_once(':') {
                     let key = key.trim();
                     let value = value.trim().trim_matches('"');
@@ -158,6 +165,7 @@ pub fn parse_skill_md(content: &str) -> Result<SkillManifest> {
         input_schema: None,
         output_schema: None,
         tags,
+        category,
         triggers,
         enabled: true,
     })
@@ -181,6 +189,7 @@ pub fn parse_skill_toml(content: &str) -> Result<SkillManifest> {
     let mut mode = "prompt_only".to_string();
     let mut capabilities = Vec::new();
     let mut tags = Vec::new();
+    let mut category: Option<String> = None;
     let mut triggers = Vec::new();
 
     for line in content.lines() {
@@ -219,6 +228,9 @@ pub fn parse_skill_toml(content: &str) -> Result<SkillManifest> {
                         .filter(|s| !s.is_empty())
                         .collect();
                 }
+                "category" => {
+                    category = Some(value.to_string());
+                }
                 _ => {}
             }
         }
@@ -245,6 +257,7 @@ pub fn parse_skill_toml(content: &str) -> Result<SkillManifest> {
         input_schema: None,
         output_schema: None,
         tags,
+        category,
         triggers,
         enabled: true,
     })