test(gateway): expect lightweight session list rows

src/gateway/server.sessions.list-changed.test.ts

@@ -12,7 +12,7 @@ import {
 
 const { createSessionStoreDir, openClient } = setupGatewaySessionsTestHarness();
 
-test("sessions.list surfaces transcript usage and model fallbacks from the transcript", async () => {
+test("sessions.list keeps bulk rows lightweight and uses persisted model fields", async () => {
   const { dir } = await createSessionStoreDir();
   testState.agentConfig = {
     models: {
@@ -92,10 +92,10 @@ test("sessions.list surfaces transcript usage and model fallbacks from the trans
   );
   expect(parent?.childSessions).toEqual(["agent:main:dashboard:child"]);
   expect(child?.parentSessionKey).toBe("agent:main:main");
-  expect(child?.totalTokens).toBe(3_000);
-  expect(child?.totalTokensFresh).toBe(true);
-  expect(child?.contextTokens).toBe(1_048_576);
-  expect(child?.estimatedCostUsd).toBe(0.0042);
+  expect(child?.totalTokens).toBeUndefined();
+  expect(child?.totalTokensFresh).toBe(false);
+  expect(child?.contextTokens).toBeUndefined();
+  expect(child?.estimatedCostUsd).toBeUndefined();
   expect(child?.modelProvider).toBe("anthropic");
   expect(child?.model).toBe("claude-sonnet-4-6");
 
@@ -146,10 +146,14 @@ test("sessions.list uses the gateway model catalog for effective thinking defaul
   expect(respond).toHaveBeenCalledWith(
     true,
     expect.objectContaining({
+      defaults: expect.objectContaining({
+        thinkingDefault: "medium",
+      }),
       sessions: expect.arrayContaining([
         expect.objectContaining({
           key: "agent:main:main",
-          thinkingDefault: "medium",
+          thinkingDefault: undefined,
+          thinkingOptions: [],
         }),
       ]),
     }),

src/gateway/session-utils.test.ts

@@ -1169,7 +1169,16 @@ describe("listSessionsFromStore selected model display", () => {
       expect(listed.path).toBe(expected.path);
       expect(listed.count).toBe(expected.count);
       expect(listed.defaults).toEqual(expected.defaults);
-      expect(listed.sessions).toEqual(expected.sessions);
+      expect(listed.sessions).toHaveLength(expected.sessions.length);
+      expect(listed.sessions[0]).toEqual(
+        expect.objectContaining({
+          key: "agent:main:sess-yield-0",
+          derivedTitle: "title 0",
+          lastMessagePreview: "last 0",
+        }),
+      );
+      expect(listed.sessions[0]?.agentRuntime).toBeUndefined();
+      expect(listed.sessions[0]?.thinkingOptions).toEqual([]);
     } finally {
       fs.rmSync(tmpDir, { recursive: true, force: true });
     }