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

def test_version_373():
    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.15"

def test_project_history_backend():
    route=(ROOT/"routes"/"project_package.py").read_text(encoding="utf-8")
    service=(ROOT/"services"/"project_history.py").read_text(encoding="utf-8")
    assert "/api/sidebar/project-package/history" in route
    assert "ProjectHistoryStore" in route
    assert "class ProjectHistoryStore" in service
    assert "def upsert" in service
    assert "def delete" in service

def test_project_history_frontend():
    js=(ROOT/"static"/"js"/"project-package.js").read_text(encoding="utf-8")
    assert "项目历史" in js
    assert "loadHistory" in js
    assert "saveHistory" in js
    assert "restoreHistory" in js

def test_recent_conversation_region_scrolls():
    css=(ROOT/"static"/"css"/"app.css").read_text(encoding="utf-8")
    assert "flex:1 1 0" in css
    assert "overflow-y:auto" in css
    assert "overscroll-behavior:contain" in css
    assert "height:100vh" in css