[csharp] fix: conditional serialization invents value-type defaults on all-optional models - #24877

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wiebren:fix/csharp-conditional-serialization-value-type-flags

Commits on Sep 5, 2026

fix: [csharp] conditionalSerialization must not flag value-typed properties the caller never set

wiebren
and
claude
committed
dd90f6b

Commits on Sep 21, 2026

test: [csharp] cover optional enums and nullable value types in the conditionalSerialization constructor

wiebren
and
claude
committed
dfc897f

Commits on Sep 23, 2026

test: [csharp] drop conditionalSerialization assertions the remaining ones already imply

wiebren
and
claude
committed
9a7a820