From a1a38cd9c5cd8b31102f52447c280d5de038d312 Mon Sep 17 00:00:00 2001
From: moonyue-w <300878504+moonyue-w@users.noreply.github.com>
Date: Wed, 23 Sep 2026 10:16:56 +0800
Subject: [PATCH] fix(test): use deterministic echo prompt for session
 scenarios

Align with Go/TS: 'Reply with exactly <marker>' instead of asking the
model for a free-form introduction with a trailing marker. The old
Chinese prompt gave the model room to refuse echoing the random string.
---
 tests/support/scenarios/forward.py | 2 +-
 tests/support/scenarios/managed.py | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/support/scenarios/forward.py b/tests/support/scenarios/forward.py
index 9f4326a..536dfa9 100644
--- a/tests/support/scenarios/forward.py
+++ b/tests/support/scenarios/forward.py
@@ -49,7 +49,7 @@ def session(client: Forward, context: Run) -> None:
     session_id = context.track("session", session.id, lambda: finish_session(client, context, session.id))
 
     expected = marker()
-    prompt = "请用一句话介绍你能提供什么帮助，并在末尾原样附上：" + expected
+    prompt = "Reply with exactly " + expected
     context.output("user", prompt)
     sent = client.sessions.events.send(
         session_id,
diff --git a/tests/support/scenarios/managed.py b/tests/support/scenarios/managed.py
index ea8e77e..fc9b2c5 100644
--- a/tests/support/scenarios/managed.py
+++ b/tests/support/scenarios/managed.py
@@ -41,7 +41,7 @@ def session(client: Managed, context: Run) -> None:
     session_id = context.track("session", session.id, lambda: finish_session(client, context, session.id))
 
     expected = marker()
-    prompt = "请用一句话介绍你能提供什么帮助，并在末尾原样附上：" + expected
+    prompt = "Reply with exactly " + expected
     context.output("user", prompt)
     sent = client.sessions.events.send(
         session_id,