Generate changelog / Support async sources (#3248) * Add async enumerable support to ParamsSource/ArgumentsSource. Refactored parameter discovery and codegen. Added/removed analyzer rules. Added tests. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> * Adjust codegen to avoid reserved member names altogether. * Using static RunnableConstants to improve readability. --------- Co-authored-by: Claude Opus 5 <noreply@anthropic.com>

Generate changelog / Support async sources (#3248) * Add async enumerable support to ParamsSource/ArgumentsSource. Refactored parameter discovery and codegen. Added/removed analyzer rules. Added tests. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> * Adjust codegen to avoid reserved member names altogether. * Using static RunnableConstants to improve readability. --------- Co-authored-by: Claude Opus 5 <noreply@anthropic.com> #604