diff --git a/src/commands/export-trajectory.test.ts b/src/commands/export-trajectory.test.ts
index 84a2201d7b1..4a96da4ff7d 100644
--- a/src/commands/export-trajectory.test.ts
+++ b/src/commands/export-trajectory.test.ts
@@ -57,6 +57,32 @@ describe("exportTrajectoryCommand", () => {
     expect(runtime.exit).toHaveBeenCalledWith(1);
   });
 
+  it("preserves direct options when an encoded request omits them", async () => {
+    const runtime = createRuntime();
+    const requestJsonBase64 = Buffer.from(
+      JSON.stringify({ output: "/tmp/export.json" }),
+      "utf8",
+    ).toString("base64url");
+
+    await exportTrajectoryCommand(
+      {
+        requestJsonBase64,
+        sessionKey: "agent:main:telegram:direct:123",
+        store: "/tmp/direct-store.json",
+      },
+      runtime,
+    );
+
+    expect(mocks.resolveDefaultSessionStorePath).not.toHaveBeenCalled();
+    expect(mocks.loadSessionStore).toHaveBeenCalledWith("/tmp/direct-store.json", {
+      skipCache: true,
+    });
+    expect(runtime.error).toHaveBeenCalledWith(
+      "Session not found: agent:main:telegram:direct:123. Run openclaw sessions to see available sessions.",
+    );
+    expect(runtime.exit).toHaveBeenCalledWith(1);
+  });
+
   it("points missing session users at the sessions command", async () => {
     const runtime = createRuntime();
 
diff --git a/src/commands/export-trajectory.ts b/src/commands/export-trajectory.ts
index 1ada4ac73c5..63fd22e4809 100644
--- a/src/commands/export-trajectory.ts
+++ b/src/commands/export-trajectory.ts
@@ -56,13 +56,28 @@ function decodeExportTrajectoryRequest(encoded: string): Partial<ExportTrajector
     throw new Error("Encoded trajectory export request must be a JSON object");
   }
   const request = decoded as EncodedExportTrajectoryRequest;
-  return {
-    sessionKey: readOptionalString(request.sessionKey) ?? "",
-    output: readOptionalString(request.output),
-    store: readOptionalString(request.store),
-    agent: readOptionalString(request.agent),
-    workspace: readOptionalString(request.workspace),
-  };
+  const opts: Partial<ExportTrajectoryCommandOptions> = {};
+  const sessionKey = readOptionalString(request.sessionKey);
+  if (sessionKey !== undefined) {
+    opts.sessionKey = sessionKey;
+  }
+  const output = readOptionalString(request.output);
+  if (output !== undefined) {
+    opts.output = output;
+  }
+  const store = readOptionalString(request.store);
+  if (store !== undefined) {
+    opts.store = store;
+  }
+  const agent = readOptionalString(request.agent);
+  if (agent !== undefined) {
+    opts.agent = agent;
+  }
+  const workspace = readOptionalString(request.workspace);
+  if (workspace !== undefined) {
+    opts.workspace = workspace;
+  }
+  return opts;
 }
 
 function resolveExportTrajectoryOptions(