新增 memory 和 skill 存储，实现 Agent 持续学习，并增加工具支持；增加 LLM progress detail 输出

src/utils/persistencePolicy.ts

@@ -0,0 +1,43 @@
+const FORBIDDEN_PERSISTENCE_PATTERNS = [
+  /ignore\s+(all|previous|prior|above)\s+instructions/i,
+  /system\s+prompt/i,
+  /do\s+not\s+tell\s+the\s+user/i,
+  /curl\s+.*(token|secret|password|api)/i,
+  /bearer\s+[a-z0-9._-]{16,}/i,
+  /(api[_-]?key|access[_-]?token|refresh[_-]?token|secret|password)\s*[:=]/i,
+  /eyJ[a-zA-Z0-9_-]{8,}\.[a-zA-Z0-9._-]{8,}\.[a-zA-Z0-9._-]{8,}/,
+];
+
+export const sanitizePersistentLine = (content: string, maxLength: number) => {
+  const normalized = content.replace(/\s+/g, " ").trim();
+  if (!normalized) {
+    return "";
+  }
+  if (FORBIDDEN_PERSISTENCE_PATTERNS.some((pattern) => pattern.test(normalized))) {
+    return "";
+  }
+  if (normalized.length > maxLength) {
+    return `${normalized.slice(0, maxLength - 3).trimEnd()}...`;
+  }
+  return normalized;
+};
+
+export const sanitizePersistentDocument = (content: string, maxLength: number) => {
+  const normalized = content
+    .replace(/\r\n/g, "\n")
+    .split("\n")
+    .map((line) => line.trimEnd())
+    .join("\n")
+    .replace(/\n{3,}/g, "\n\n")
+    .trim();
+  if (!normalized) {
+    return "";
+  }
+  if (FORBIDDEN_PERSISTENCE_PATTERNS.some((pattern) => pattern.test(normalized))) {
+    return "";
+  }
+  if (normalized.length > maxLength) {
+    return `${normalized.slice(0, maxLength - 3).trimEnd()}...`;
+  }
+  return normalized;
+};