fix: 终止 Session 后仍可复活

src/actions/active-sessions.ts

@@ -854,9 +854,9 @@ export async function terminateActiveSession(sessionId: string): Promise<ActionR
 
     // 3. 终止 Session
     const { SessionManager } = await import("@/lib/session-manager");
-    const success = await SessionManager.terminateSession(sessionId);
+    const result = await SessionManager.terminateSession(sessionId);
 
-    if (!success) {
+    if (!result.markerOk) {
       return {
         ok: false,
         error: "终止 Session 失败（Redis 不可用或 Session 已过期）",

src/app/v1/_lib/proxy/session-guard.ts

@@ -1,9 +1,10 @@
 import { getCachedSystemSettings } from "@/lib/config";
 import { logger } from "@/lib/logger";
 import { resolveKeyUserConcurrentSessionLimits } from "@/lib/rate-limit/concurrent-session-limit";
-import { SessionManager } from "@/lib/session-manager";
+import { SessionManager, TerminatedSessionError } from "@/lib/session-manager";
 import { SessionTracker } from "@/lib/session-tracker";
 import { completeCodexSessionIdentifiers } from "../codex/session-completer";
+import { ProxyError } from "./errors";
 import type { ProxySession } from "./session";
 
 /**
@@ -178,6 +179,14 @@ export class ProxySessionGuard {
         `[ProxySessionGuard] Session assigned: ${sessionId}:${requestSequence} (key=${keyId}, messagesLength=${session.getMessagesLength()}, clientProvided=${!!clientSessionId})`
       );
     } catch (error) {
+      if (error instanceof TerminatedSessionError) {
+        logger.info("[ProxySessionGuard] Client session was terminated, blocking request", {
+          sessionId: error.sessionId,
+          terminatedAt: error.terminatedAt,
+        });
+        throw new ProxyError("Session 已被终止，请创建新的会话后重试", 410);
+      }
+
       logger.error("[ProxySessionGuard] Failed to assign session:", error);
       // 降级：生成新 session（不阻塞请求）
       const fallbackSessionId = SessionManager.generateSessionId();