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

desktop/src/store/agentStore.ts

@@ -212,6 +212,7 @@ export const useAgentStore = create<AgentStore>((set, get) => ({
   loadUsageStats: async () => {
     try {
       const { conversations } = useChatStore.getState();
+      const tokenData = useChatStore.getState().getTotalTokens();
 
       let totalMessages = 0;
       for (const conversation of conversations) {
@@ -225,7 +226,7 @@ export const useAgentStore = create<AgentStore>((set, get) => ({
       const stats: UsageStats = {
         totalSessions: conversations.length,
         totalMessages,
-        totalTokens: 0,
+        totalTokens: tokenData.total,
         byModel: {},
       };