feat: 实现循环防护和安全验证功能

refactor(loop_guard): 为LoopGuard添加Clone派生
feat(capabilities): 实现CapabilityManager.validate()安全验证
fix(agentStore): 添加token用量追踪
chore: 删除未实现的Predictor/Lead HAND.toml文件
style(Credits): 移除假数据并标注开发中状态
refactor(Skills): 动态加载技能卡片
perf(configStore): 为定时任务添加localStorage降级
docs: 更新功能文档和版本变更记录

crates/zclaw-runtime/src/loop_guard.rs

@@ -25,7 +25,7 @@ impl Default for LoopGuardConfig {
 }
 
 /// Loop guard state
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct LoopGuard {
     config: LoopGuardConfig,
     /// Hash of (tool_name, params) -> count