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fix(session): remove message time replay prefixes

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This commit is contained in:
chengyongru
2026-06-27 11:04:36 +08:00
committed by Xubin Ren
parent 8656549129
commit 9b45fc1172
6 changed files with 21 additions and 53 deletions
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tests/agent/test_session_manager_history.py
+15 -16
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@@ -266,13 +266,8 @@ def test_get_history_preserves_reasoning_content():
]
def test_get_history_annotates_user_turns_but_not_assistant_turns():
"""Only user turns carry the timestamp prefix.
Annotating assistant turns trains the model (via in-context examples) to
start its own replies with ``[Message Time: ...]``. User-side stamps are
enough to pin adjacent assistant replies for relative-time reasoning.
"""
def test_get_history_does_not_inject_persisted_timestamps_into_replay_content():
"""Persisted timestamps are session metadata, not prompt content."""
session = Session(key="test:timestamps")
session.messages.append({
"role": "user",
@@ -285,12 +280,14 @@ def test_get_history_annotates_user_turns_but_not_assistant_turns():
"timestamp": "2026-04-26T22:00:05",
})
history = session.get_history(max_messages=500, include_timestamps=True)
history = session.get_history(max_messages=500)
assert session.messages[0]["timestamp"] == "2026-04-26T22:00:00"
assert session.messages[1]["timestamp"] == "2026-04-26T22:00:05"
assert history == [
{
"role": "user",
"content": "[Message Time: 2026-04-26T22:00:00]\n10 点提醒是昨天发生的",
"content": "10 点提醒是昨天发生的",
},
{
"role": "assistant",
@@ -299,8 +296,8 @@ def test_get_history_annotates_user_turns_but_not_assistant_turns():
]
def test_get_history_does_not_annotate_proactive_assistant_deliveries_with_timestamps():
"""Assistant-side timestamp examples can leak back into future replies."""
def test_get_history_keeps_proactive_delivery_timestamps_out_of_replay_content():
"""Timestamp metadata remains persisted without becoming prompt text."""
session = Session(key="test:proactive-timestamps")
session.messages.append({
"role": "assistant",
@@ -314,8 +311,10 @@ def test_get_history_does_not_annotate_proactive_assistant_deliveries_with_times
"timestamp": "2026-04-26T18:00:00",
})
history = session.get_history(max_messages=500, include_timestamps=True)
history = session.get_history(max_messages=500)
assert session.messages[0]["timestamp"] == "2026-04-26T15:00:00"
assert session.messages[1]["timestamp"] == "2026-04-26T18:00:00"
assert history == [
{
"role": "assistant",
@@ -323,18 +322,18 @@ def test_get_history_does_not_annotate_proactive_assistant_deliveries_with_times
},
{
"role": "user",
"content": "[Message Time: 2026-04-26T18:00:00]\n好",
"content": "好",
},
]
def test_get_history_does_not_annotate_tool_results_with_timestamps():
def test_get_history_does_not_inject_tool_result_timestamps():
session = Session(key="test:tool-timestamps")
session.messages.append({"role": "user", "content": "run tool"})
session.messages.extend(_tool_turn("ts", 0))
session.messages[-1]["timestamp"] = "2026-04-26T22:00:10"
history = session.get_history(max_messages=500, include_timestamps=True)
history = session.get_history(max_messages=500)
tool_result = history[-1]
assert tool_result["role"] == "tool"
@@ -555,7 +554,7 @@ def test_get_history_sanitizes_existing_assistant_replay_artifacts():
}
)
history = session.get_history(max_messages=500, include_timestamps=True)
history = session.get_history(max_messages=500)
assert history == [{"role": "assistant", "content": "来了 🎨"}]