from pathlib import Path
ROOT=Path(__file__).resolve().parents[1]

def test_version():
    assert (ROOT/'VERSION').read_text(encoding='utf-8').strip()=='4.6.22'

def test_frontend_dedupe_and_merge():
    js=(ROOT/"static/js/app.js").read_text(encoding="utf-8")
    assert "dedupeConversationMessages" in js
    assert "mergeSessionCopies" in js
    assert "const repaired=migrateConversationSummaries()" in js

def test_summary_recent_topic_priority():
    js=(ROOT/"static/js/app.js").read_text(encoding="utf-8")
    assert "const recent=msgs.slice(-8)" in js
    assert "latestUser" in js
    assert "2002年" not in js or "dateLabel" in js
    assert js.index('if((source||variable||region)') < js.index('if(/多任务|并行|子任务')

def test_server_dedupe():
    py=(ROOT/"services/user_state.py").read_text(encoding="utf-8")
    assert "def _dedupe_messages" in py
    assert "messages=self._dedupe_messages(messages)" in py