diff --git a/src/agents/tools/sessions-list-tool.test.ts b/src/agents/tools/sessions-list-tool.test.ts
index 85900ae309e..c1f557dd02b 100644
--- a/src/agents/tools/sessions-list-tool.test.ts
+++ b/src/agents/tools/sessions-list-tool.test.ts
@@ -30,6 +30,27 @@ vi.mock("./sessions-helpers.js", async (importActual) => {
   };
 });
 
+type SessionsListDetails = {
+  sessions?: Array<{
+    deliveryContext?: {
+      accountId?: string;
+      channel?: string;
+      threadId?: string | number;
+      to?: string;
+    };
+    elevatedLevel?: string;
+    fastMode?: boolean;
+    reasoningLevel?: string;
+    responseUsage?: string;
+    thinkingLevel?: string;
+    verboseLevel?: string;
+  }>;
+};
+
+function getSessionsListDetails(result: { details?: unknown }): SessionsListDetails {
+  return result.details as SessionsListDetails;
+}
+
 describe("sessions-list-tool", () => {
   let createSessionsListTool: typeof import("./sessions-list-tool.js").createSessionsListTool;
 
@@ -89,16 +110,7 @@ describe("sessions-list-tool", () => {
     const tool = createSessionsListTool({ config: {} as never });
 
     const result = await tool.execute("call-1", {});
-    const details = result.details as {
-      sessions?: Array<{
-        deliveryContext?: {
-          channel?: string;
-          to?: string;
-          accountId?: string;
-          threadId?: string | number;
-        };
-      }>;
-    };
+    const details = getSessionsListDetails(result);
 
     expect(details.sessions?.[0]?.deliveryContext).toEqual({
       channel: "discord",
@@ -140,16 +152,7 @@ describe("sessions-list-tool", () => {
     const tool = createSessionsListTool({ config: {} as never });
 
     const result = await tool.execute("call-2", {});
-    const details = result.details as {
-      sessions?: Array<{
-        deliveryContext?: {
-          channel?: string;
-          to?: string;
-          accountId?: string;
-          threadId?: string | number;
-        };
-      }>;
-    };
+    const details = getSessionsListDetails(result);
 
     expect(details.sessions?.[0]?.deliveryContext).toEqual({
       channel: "telegram",
@@ -185,16 +188,7 @@ describe("sessions-list-tool", () => {
     const tool = createSessionsListTool({ config: {} as never });
 
     const result = await tool.execute("call-3", {});
-    const details = result.details as {
-      sessions?: Array<{
-        thinkingLevel?: string;
-        fastMode?: boolean;
-        verboseLevel?: string;
-        reasoningLevel?: string;
-        elevatedLevel?: string;
-        responseUsage?: string;
-      }>;
-    };
+    const details = getSessionsListDetails(result);
 
     expect(details.sessions?.[0]).toMatchObject({
       thinkingLevel: "high",