CodeStyle.props

<Project>
    <!--
    Compile-strictness settings shared by every project. Imported by each
    Directory.Build.props (the root one and shadowing ones like tests/test-client/)
    so they are defined exactly once. Docker build stages COPY this file alongside
    Directory.Build.props.
    -->
    <PropertyGroup>
        <!-- Surface .editorconfig code-style rules (e.g. IDE0011 braces) as build diagnostics -->
        <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
        <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
        <!-- IDE0005 (unused usings) only runs at build when doc-comment analysis is on.
             Suppressed by policy: CS1591 missing docs, CS1573 partially documented params,
             CS1587 docs on local functions (not exportable). Malformed XML (CS1570) and
             broken cref/paramref references stay enforced. -->
        <GenerateDocumentationFile>true</GenerateDocumentationFile>
        <NoWarn>$(NoWarn);CS1591;CS1573;CS1587</NoWarn>
    </PropertyGroup>
</Project>