feat(coverage): add global coverage settings for tests

Author: BenjaminAbt

Directory.Build.props

@@ -3,6 +3,7 @@
     <Product>MyCSharp.HttpUserAgentParser</Product>
     <Authors>MyCSharp, BenjaminAbt, gfoidl</Authors>
     <Company>myCSharp.de</Company>
+    <Copyright>myCSharp.de</Copyright>
   </PropertyGroup>
 
   <PropertyGroup Label="Vars">
@@ -27,7 +28,11 @@
     <AssemblyOriginatorKeyFile>$(MSBuildThisFileDirectory)MyCSharp.HttpUserAgentParser.snk</AssemblyOriginatorKeyFile>
 
     <PublicKey>
-      00240000048000009400000006020000002400005253413100040000010001003d5c022c088a46d41d5a5bf7591f3a3dcba30f76b0f43a312b6e45bb419d32283175cbd8bfd83134b123da6db83479e50596fb6bbe0e8c6cef50c01c64a0861c963daaf6905920f44ffe1ce44b3cfcb9c23779f34bc90c7b04e74e36a19bb58af3a69456d49b56993969dba9f8e9e935c2757844a11066d1091477f10cd923b7
+      00240000048000009400000006020000002400005253413100040000010001003d5c022c088a46
+      d41d5a5bf7591f3a3dcba30f76b0f43a312b6e45bb419d32283175cbd8bfd83134b123da6db834
+      79e50596fb6bbe0e8c6cef50c01c64a0861c963daaf6905920f44ffe1ce44b3cfcb9c23779f34b
+      c90c7b04e74e36a19bb58af3a69456d49b56993969dba9f8e9e935c2757844a11066d1091477f1
+      0cd923b7
     </PublicKey>
   </PropertyGroup>
 
@@ -73,6 +78,21 @@
     <NuGetAuditLevel>low</NuGetAuditLevel>
   </PropertyGroup>
 
+  <!-- Global coverage settings applied to all test projects -->
+  <PropertyGroup Condition="'$(IsTestProject)' == 'true'" Label="Coverage">
+    <CollectCoverage>true</CollectCoverage>
+    <CoverletOutputFormat>lcov,opencover,cobertura</CoverletOutputFormat>
+    <CoverletOutput>$(MSBuildThisFileDirectory)TestResults/coverage/$(MSBuildProjectName).</CoverletOutput>
+    <ExcludeByAttribute>GeneratedCodeAttribute,CompilerGeneratedAttribute,ExcludeFromCodeCoverageAttribute</ExcludeByAttribute>
+    <ExcludeByFile>**/*Program.cs;**/*Startup.cs;**/*GlobalUsings.cs</ExcludeByFile>
+    <UseSourceLink>true</UseSourceLink>
+    <!-- Enforce high line coverage; branch coverage is informative only -->
+    <!-- Note: Set to 96 to account for performance-optimized helper methods and framework-specific code paths -->
+    <Threshold>96</Threshold>
+    <ThresholdType>line</ThresholdType>
+    <ThresholdStat>total</ThresholdStat>
+  </PropertyGroup>
+
   <ItemGroup Label="Default Test Dependencies" Condition="'$(IsTestProject)' == 'true'">
     <PackageReference Include="coverlet.msbuild" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" />