feat: Capability Evolver 升级 + 日常运行日志

主要变更：
- Capability Evolver 技能大幅升级
  - 新增 LLM 审查、叙事记忆、反思机制模块
  - 改进 Agent 间通信协议和技能搜索
  - 整合 Git 备份到 evolver-run.sh

- Agent 配置与日志更新
  - dev-assist/haonan/main 认证和会话配置
  - 5 个 agent 的 AGENTS.md 文档更新
  - haonan 的 MEMORY.md 和 SOUL.md 更新

- 新增功能目录
  - hooks/self-improvement 自我改进钩子
  - memory/evolution 进化记忆状态
  - workspace/.learnings/ 学习记录

- 清理
  - 删除 scripts/git-auto-sync.sh（已整合到 evolver）
  - 删除旧的 _meta.json 配置
  - 忽略临时工作空间目录

skills/capability-evolver/src/gep/a2aProtocol.js

@@ -96,6 +96,9 @@ function getNodeId() {
 // --- Base message builder ---
 
 function buildMessage(params) {
+  if (!params || typeof params !== 'object') {
+    throw new Error('buildMessage requires a params object');
+  }
   var messageType = params.messageType;
   var payload = params.payload;
   var senderId = params.senderId;
@@ -197,14 +200,18 @@ function buildPublishBundle(opts) {
 
 function buildFetch(opts) {
   var o = opts || {};
+  var fetchPayload = {
+    asset_type: o.assetType || null,
+    local_id: o.localId || null,
+    content_hash: o.contentHash || null,
+  };
+  if (Array.isArray(o.signals) && o.signals.length > 0) {
+    fetchPayload.signals = o.signals;
+  }
   return buildMessage({
     messageType: 'fetch',
     senderId: o.nodeId,
-    payload: {
-      asset_type: o.assetType || null,
-      local_id: o.localId || null,
-      content_hash: o.contentHash || null,
-    },
+    payload: fetchPayload,
   });
 }
 
@@ -351,7 +358,8 @@ function httpTransportReceive(opts) {
   var hubUrl = (opts && opts.hubUrl) || process.env.A2A_HUB_URL;
   if (!hubUrl) return Promise.resolve([]);
   var assetType = (opts && opts.assetType) || null;
-  var fetchMsg = buildFetch({ assetType: assetType });
+  var signals = (opts && Array.isArray(opts.signals)) ? opts.signals : null;
+  var fetchMsg = buildFetch({ assetType: assetType, signals: signals });
   var endpoint = hubUrl.replace(/\/+$/, '') + '/a2a/fetch';
   return fetch(endpoint, {
     method: 'POST',