Fix Windows session lifecycle replay mismatch

Use the same second prompt (Say hi) as the lifecycle snapshot to avoid replay cache misses in the list-sessions test path on Windows CI.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: edburns

nodejs/test/e2e/session_lifecycle.e2e.test.ts

@@ -32,7 +32,7 @@ describe("Session Lifecycle", async () => {
 
         // Sessions must have activity to be persisted to disk
         await session1.sendAndWait({ prompt: "Say hello" });
-        await session2.sendAndWait({ prompt: "Say world" });
+        await session2.sendAndWait({ prompt: "Say hi" });
 
         // Poll until both sessions are visible on disk instead of a hard 500ms wait.
         await waitFor(async () => {

test/snapshots/session_lifecycle/should_list_created_sessions_after_sending_a_message.yaml

@@ -13,6 +13,6 @@ conversations:
       - role: system
         content: ${system}
       - role: user
-        content: Say world
+        content: Say hi
       - role: assistant
-        content: world
+        content: Hi! I'm GitHub Copilot CLI, ready to help with your software engineering tasks. What would you like to work on?