diff --git a/src/hooks/bundled/session-memory/handler.test.ts b/src/hooks/bundled/session-memory/handler.test.ts
index dbd68045d63..fb7e9ca0a4d 100644
--- a/src/hooks/bundled/session-memory/handler.test.ts
+++ b/src/hooks/bundled/session-memory/handler.test.ts
@@ -270,9 +270,7 @@ describe("session-memory hook", () => {
       cfg: {
         agents: {
           defaults: { workspace: mainWorkspace },
-          list: {
-            navi: { workspace: naviWorkspace },
-          },
+          list: [{ id: "navi", workspace: naviWorkspace }],
         },
       } satisfies OpenClawConfig,
       sessionKey: "agent:main:main",
@@ -286,6 +284,7 @@ describe("session-memory hook", () => {
     expect(files.length).toBe(1);
     expect(memoryContent).toContain("user: Remember this under Navi");
     expect(memoryContent).toContain("assistant: Stored in the bound workspace");
+    expect(memoryContent).toContain("- **Session Key**: agent:navi:main");
     await expect(fs.access(path.join(mainWorkspace, "memory"))).rejects.toThrow();
   });
 
diff --git a/src/hooks/bundled/session-memory/handler.ts b/src/hooks/bundled/session-memory/handler.ts
index d068b64ba4b..32fc36b23f0 100644
--- a/src/hooks/bundled/session-memory/handler.ts
+++ b/src/hooks/bundled/session-memory/handler.ts
@@ -8,12 +8,19 @@
 import fs from "node:fs/promises";
 import os from "node:os";
 import path from "node:path";
-import { resolveAgentWorkspaceDir } from "../../../agents/agent-scope.js";
+import {
+  resolveAgentIdByWorkspacePath,
+  resolveAgentWorkspaceDir,
+} from "../../../agents/agent-scope.js";
 import type { OpenClawConfig } from "../../../config/config.js";
 import { resolveStateDir } from "../../../config/paths.js";
 import { writeFileWithinRoot } from "../../../infra/fs-safe.js";
 import { createSubsystemLogger } from "../../../logging/subsystem.js";
-import { resolveAgentIdFromSessionKey } from "../../../routing/session-key.js";
+import {
+  parseAgentSessionKey,
+  resolveAgentIdFromSessionKey,
+  toAgentStoreSessionKey,
+} from "../../../routing/session-key.js";
 import { hasInterSessionUserProvenance } from "../../../sessions/input-provenance.js";
 import { resolveHookConfig } from "../../config.js";
 import type { HookHandler } from "../../hooks.js";
@@ -21,6 +28,25 @@ import { generateSlugViaLLM } from "../../llm-slug-generator.js";
 
 const log = createSubsystemLogger("hooks/session-memory");
 
+function resolveDisplaySessionKey(params: {
+  cfg?: OpenClawConfig;
+  workspaceDir?: string;
+  sessionKey: string;
+}): string {
+  if (!params.cfg || !params.workspaceDir) {
+    return params.sessionKey;
+  }
+  const workspaceAgentId = resolveAgentIdByWorkspacePath(params.cfg, params.workspaceDir);
+  const parsed = parseAgentSessionKey(params.sessionKey);
+  if (!workspaceAgentId || !parsed || workspaceAgentId === parsed.agentId) {
+    return params.sessionKey;
+  }
+  return toAgentStoreSessionKey({
+    agentId: workspaceAgentId,
+    requestKey: parsed.rest,
+  });
+}
+
 /**
  * Read recent messages from session file for slug generation
  */
@@ -192,6 +218,11 @@ const saveSessionToMemory: HookHandler = async (event) => {
       (cfg
         ? resolveAgentWorkspaceDir(cfg, agentId)
         : path.join(resolveStateDir(process.env, os.homedir), "workspace"));
+    const displaySessionKey = resolveDisplaySessionKey({
+      cfg,
+      workspaceDir: contextWorkspaceDir,
+      sessionKey: event.sessionKey,
+    });
     const memoryDir = path.join(workspaceDir, "memory");
     await fs.mkdir(memoryDir, { recursive: true });
 
@@ -299,7 +330,7 @@ const saveSessionToMemory: HookHandler = async (event) => {
     const entryParts = [
       `# Session: ${dateStr} ${timeStr} UTC`,
       "",
-      `- **Session Key**: ${event.sessionKey}`,
+      `- **Session Key**: ${displaySessionKey}`,
       `- **Session ID**: ${sessionId}`,
       `- **Source**: ${source}`,
       "",