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

desktop/src/lib/skill-discovery.ts

@@ -6,7 +6,7 @@
  * - Recommend skills based on recent conversation patterns
  * - Manage skill installation lifecycle (with user approval)
  *
- * Scans the local `skills/` directory for SKILL.md manifests and indexes them.
+ * Dynamically loads skills from the backend Kernel's SkillRegistry.
  *
  * Reference: ZCLAW_AGENT_INTELLIGENCE_EVOLUTION.md §6.5.2
  */
@@ -26,6 +26,20 @@ export interface SkillInfo {
   installed: boolean;
   category?: string;
   path?: string;
+  version?: string;
+  mode?: string;
+}
+
+/** Backend skill response format */
+interface BackendSkillInfo {
+  id: string;
+  name: string;
+  description: string;
+  version: string;
+  capabilities: string[];
+  tags: string[];
+  mode: string;
+  enabled: boolean;
 }
 
 export interface SkillSuggestion {
@@ -51,151 +65,89 @@ export interface ConversationContext {
 const SKILL_INDEX_KEY = 'zclaw-skill-index';
 const SKILL_SUGGESTIONS_KEY = 'zclaw-skill-suggestions';
 
-// === Built-in Skill Registry ===
-
-/**
- * Pre-indexed skills from the skills/ directory.
- * In production, this would be dynamically scanned from SKILL.md files.
- * For Phase 4, we maintain a static registry that can be refreshed.
- */
-const BUILT_IN_SKILLS: SkillInfo[] = [
-  {
-    id: 'code-review',
-    name: 'Code Review',
-    description: '审查代码、分析代码质量、提供改进建议',
-    triggers: ['审查代码', '代码审查', 'code review', 'PR review', '检查代码'],
-    capabilities: ['代码质量分析', '架构评估', '安全审计', '最佳实践检查'],
-    toolDeps: ['read', 'grep', 'glob'],
-    installed: true,
-    category: 'development',
-  },
-  {
-    id: 'frontend-developer',
-    name: 'Frontend Developer',
-    description: '前端开发专家，擅长 React/Vue/CSS/TypeScript',
-    triggers: ['前端开发', '页面开发', 'UI开发', 'React', 'Vue', 'CSS'],
-    capabilities: ['组件开发', '样式调整', '性能优化', '响应式设计'],
-    toolDeps: ['read', 'write', 'shell'],
-    installed: true,
-    category: 'development',
-  },
-  {
-    id: 'backend-architect',
-    name: 'Backend Architect',
-    description: '后端架构设计、API设计、数据库建模',
-    triggers: ['后端架构', 'API设计', '数据库设计', '系统架构', '微服务'],
-    capabilities: ['架构设计', 'API规范', '数据库建模', '性能优化'],
-    toolDeps: ['read', 'write', 'shell'],
-    installed: true,
-    category: 'development',
-  },
-  {
-    id: 'security-engineer',
-    name: 'Security Engineer',
-    description: '安全工程师，负责安全审计、漏洞检测、合规检查',
-    triggers: ['安全审计', '漏洞检测', '安全检查', 'security', '渗透测试'],
-    capabilities: ['漏洞扫描', '合规检查', '安全加固', '威胁建模'],
-    toolDeps: ['read', 'grep', 'shell'],
-    installed: true,
-    category: 'security',
-  },
-  {
-    id: 'data-analysis',
-    name: 'Data Analysis',
-    description: '数据分析、可视化、报告生成',
-    triggers: ['数据分析', '数据可视化', '报表', '统计', 'analytics'],
-    capabilities: ['数据清洗', '统计分析', '可视化图表', '报告生成'],
-    toolDeps: ['read', 'write', 'shell'],
-    installed: true,
-    category: 'analytics',
-  },
-  {
-    id: 'chinese-writing',
-    name: 'Chinese Writing',
-    description: '中文写作、文案创作、内容优化',
-    triggers: ['写文章', '文案', '写作', '中文创作', '内容优化'],
-    capabilities: ['文案创作', '文章润色', '标题优化', 'SEO写作'],
-    toolDeps: ['read', 'write'],
-    installed: true,
-    category: 'content',
-  },
-  {
-    id: 'devops-automator',
-    name: 'DevOps Automator',
-    description: 'CI/CD、Docker、K8s、自动化部署',
-    triggers: ['DevOps', 'CI/CD', 'Docker', '部署', '自动化', 'K8s'],
-    capabilities: ['CI/CD配置', '容器化', '自动化部署', '监控告警'],
-    toolDeps: ['shell', 'read', 'write'],
-    installed: true,
-    category: 'ops',
-  },
-  {
-    id: 'senior-pm',
-    name: 'Senior PM',
-    description: '项目管理、需求分析、迭代规划',
-    triggers: ['项目管理', '需求分析', '迭代规划', '产品设计', 'PRD'],
-    capabilities: ['需求拆解', '迭代排期', '风险评估', '文档撰写'],
-    toolDeps: ['read', 'write'],
-    installed: true,
-    category: 'management',
-  },
-  {
-    id: 'git',
-    name: 'Git Operations',
-    description: 'Git 版本控制操作、分支管理、冲突解决',
-    triggers: ['git', '版本控制', '分支', '合并', 'commit', 'merge'],
-    capabilities: ['分支管理', '冲突解决', 'rebase', 'cherry-pick'],
-    toolDeps: ['shell'],
-    installed: true,
-    category: 'development',
-  },
-  {
-    id: 'api-tester',
-    name: 'API Tester',
-    description: 'API 测试、接口调试、自动化测试脚本',
-    triggers: ['API测试', '接口测试', '接口调试', 'Postman', 'curl'],
-    capabilities: ['接口调试', '自动化测试', '性能测试', '断言验证'],
-    toolDeps: ['shell', 'read', 'write'],
-    installed: true,
-    category: 'testing',
-  },
-  {
-    id: 'finance-tracker',
-    name: 'Finance Tracker',
-    description: '财务追踪、预算管理、报表分析',
-    triggers: ['财务', '预算', '记账', '报销', '财务报表'],
-    capabilities: ['收支分析', '预算规划', '报表生成', '趋势预测'],
-    toolDeps: ['read', 'write'],
-    installed: true,
-    category: 'business',
-  },
-  {
-    id: 'social-media-strategist',
-    name: 'Social Media Strategist',
-    description: '社交媒体运营策略、内容规划、数据分析',
-    triggers: ['社交媒体', '运营', '小红书', '抖音', '微博', '内容运营'],
-    capabilities: ['内容策划', '发布排期', '数据分析', '竞品监控'],
-    toolDeps: ['read', 'write'],
-    installed: true,
-    category: 'marketing',
-  },
-];
-
 // === Skill Discovery Engine ===
 
 export class SkillDiscoveryEngine {
   private skills: SkillInfo[] = [];
   private suggestionHistory: SkillSuggestion[] = [];
+  private loadedFromBackend: boolean = false;
 
   constructor() {
     this.loadIndex();
     this.loadSuggestions();
-    if (this.skills.length === 0) {
-      this.skills = [...BUILT_IN_SKILLS];
+    // Try to load from backend, fallback to cache
+    this.loadFromBackend();
+  }
+
+  /**
+   * Load skills from backend Tauri command.
+   * Falls back to cached skills if backend is unavailable.
+   */
+  private async loadFromBackend(): Promise<void> {
+    try {
+      // Dynamic import to avoid bundling issues in non-Tauri environments
+      const { invoke } = await import('@tauri-apps/api/core');
+      const backendSkills = await invoke<BackendSkillInfo[]>('skill_list');
+
+      // Convert backend format to frontend format
+      this.skills = backendSkills.map(this.convertFromBackend);
+      this.loadedFromBackend = true;
       this.saveIndex();
+      console.log(`[SkillDiscovery] Loaded ${this.skills.length} skills from backend`);
+    } catch (error) {
+      console.warn('[SkillDiscovery] Failed to load skills from backend:', error);
+      // Keep using cached skills (loaded in loadIndex)
+      this.loadedFromBackend = false;
     }
   }
 
+  /**
+   * Convert backend skill format to frontend format.
+   */
+  private convertFromBackend(backend: BackendSkillInfo): SkillInfo {
+    return {
+      id: backend.id,
+      name: backend.name,
+      description: backend.description,
+      version: backend.version,
+      triggers: backend.tags, // Use tags as triggers
+      capabilities: backend.capabilities,
+      mode: backend.mode,
+      toolDeps: [], // Backend doesn't have this field
+      installed: backend.enabled,
+      category: backend.tags[0] || 'general',
+    };
+  }
+
+  /**
+   * Refresh skills from backend.
+   * Optionally specify a custom directory to scan.
+   */
+  async refresh(skillDir?: string): Promise<number> {
+    try {
+      const { invoke } = await import('@tauri-apps/api/core');
+      const backendSkills = await invoke<BackendSkillInfo[]>('skill_refresh', {
+        skillDir
+      });
+
+      this.skills = backendSkills.map(this.convertFromBackend);
+      this.loadedFromBackend = true;
+      this.saveIndex();
+      console.log(`[SkillDiscovery] Refreshed ${this.skills.length} skills`);
+      return this.skills.length;
+    } catch (error) {
+      console.error('[SkillDiscovery] Failed to refresh skills:', error);
+      throw error;
+    }
+  }
+
+  /**
+   * Check if skills were loaded from backend.
+   */
+  isLoadedFromBackend(): boolean {
+    return this.loadedFromBackend;
+  }
+
   // === Search ===
 
   /**