Clean-up the stack trace when throwing an assertion failure #3152
+1,804
−267
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This change marks a large portion of the library’s public and internal surface with the runtime’s
StackTraceHiddenattribute (only when running on .NET 6+), so failures and exceptions show cleaner stack traces that focus on user code instead of framework plumbing.As a result, assertion failures should be easier to read and debug because internal helper frames are suppressed by the debugger/stack trace renderer.
Alongside that, there are a few formatting-only tweaks (indentation/line breaks) that don’t affect behavior.
The public API baseline for .NET 6 reflects these added attributes so the API “shape” stays in sync.
Note The changes were a mix of AI and manual work, hence there's differences how the attribute was applied
Fixes #512