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-tauri/src/memory/mod.rs

@@ -13,13 +13,7 @@ pub mod persistent;
 pub mod crypto;
 
 // Re-export main types for convenience
-pub use extractor::{SessionExtractor, ExtractedMemory, ExtractionConfig};
-pub use context_builder::{ContextBuilder, EnhancedContext, ContextLevel};
 pub use persistent::{
     PersistentMemory, PersistentMemoryStore, MemorySearchQuery, MemoryStats,
     generate_memory_id,
 };
-pub use crypto::{
-    CryptoError, KEY_SIZE, MEMORY_ENCRYPTION_KEY_NAME,
-    derive_key, generate_key, encrypt, decrypt,
-};

desktop/src-tauri/src/memory/persistent.rs

@@ -15,7 +15,7 @@ use tokio::sync::Mutex;
 use uuid::Uuid;
 use tauri::Manager;
 use sqlx::{SqliteConnection, Connection, Row, sqlite::SqliteRow};
-use chrono::{DateTime, Utc};
+use chrono::Utc;
 
 /// Memory entry stored in SQLite
 #[derive(Debug, Clone, Serialize, Deserialize)]