feat(auth): validate agent context upstream

src/runtime/sessionContext.ts

@@ -1,6 +1,10 @@
 export type RuntimeSessionContext = {
   accessToken?: string;
   actorKey: string;
+  authExpired?: {
+    message: string;
+    reason: "access_token_expired" | "access_token_rejected";
+  };
   allowLearningWrite?: boolean;
   clientSessionId: string;
   learningMode?: "interactive" | "review";
@@ -8,6 +12,7 @@ export type RuntimeSessionContext = {
   projectId?: string;
   projectKey: string;
   sessionId: string;
+  tokenExpiresAt?: string;
   traceId: string;
 };
 
@@ -22,6 +27,23 @@ export const getRuntimeSessionContext = (sessionId: string) => {
   return context ? { ...context } : null;
 };
 
+export const markRuntimeSessionAuthExpired = (
+  sessionId: string,
+  reason: NonNullable<RuntimeSessionContext["authExpired"]>["reason"],
+  message = "登录态已过期，请刷新登录后重试",
+) => {
+  const context = contexts.get(sessionId);
+  if (!context) {
+    return null;
+  }
+  const nextContext: RuntimeSessionContext = {
+    ...context,
+    authExpired: { message, reason },
+  };
+  contexts.set(sessionId, nextContext);
+  return { ...nextContext };
+};
+
 export const removeRuntimeSessionContext = (sessionId: string) => {
   contexts.delete(sessionId);
 };