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dotnet test fails with Native AOT IL3050 analyzer errors #2786

Description

@Widthdom

Summary

After merging the latest origin/main into codex/fix-issue1460-1640-2752, dotnet test tests/CodeIndex.Tests/CodeIndex.Tests.csproj --filter FullyQualifiedName~McpServerTests -p:UseSharedCompilation=false fails during build before tests run because Native AOT analyzer warnings are emitted as IL3050 errors.

Evidence

Representative errors:

  • src/CodeIndex/Cli/ActiveWorkspace.cs(55,38): error IL3050: Using member 'System.Text.Json.JsonSerializer.Serialize<TValue>(...)' ... Use System.Text.Json source generation for native AOT applications.
  • src/CodeIndex/Mcp/McpServer.cs(259,32): error IL3050: Using member 'System.Text.Json.Serialization.Metadata.DefaultJsonTypeInfoResolver.DefaultJsonTypeInfoResolver()' ...
  • src/CodeIndex/Cli/SuggestionStore.cs(79,29): error IL3050: Using member 'System.Text.Json.Serialization.JsonStringEnumConverter.JsonStringEnumConverter(...)' ...

The same failure occurs even with -p:IsAotCompatible=false.

Impact

Targeted test validation can be blocked on current main before the requested test cases execute.

Duplicate check

Searched open issues for IL3050 JsonSerializer and Native AOT analyzer; no open duplicate found.

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