from pathlib import Path


def test_implementation_mode_dropdown_uses_short_labels_with_dynamic_help():
    html = Path("web/index.html").read_text(encoding="utf-8")
    app_js = Path("web/static/app.js").read_text(encoding="utf-8")
    components_js = Path("web/static/components.js").read_text(encoding="utf-8")
    css = Path("web/static/app.css").read_text(encoding="utf-8")

    select = html.split('id="implementationMode"', 1)[1].split("</select>", 1)[0]
    assert "Strict inference" in select
    assert "Best effort inference" in select
    assert "Demo scaffold only" in select
    assert "Real inference required" not in select
    assert 'id="implementationModeHelp"' in html
    assert "IMPLEMENTATION_MODE_COPY" in components_js
    assert "updateImplementationModeHelp" in app_js
    assert "implementationMode')?.addEventListener('change',updateImplementationModeHelp" in app_js
    assert ".implementation-mode-help" in css