One codebase, two flavors: Win10/11 stays net48/x64 with ViGEm/RioGamepad
and remains the authoring platform; XP SP3 gets a net40/x86 runtime with
vJoy (full 96-button fidelity), pre-rendered wallpapers (PNG converted to
BMP at apply), Newtonsoft JSON shared by both flavors, Bcl.Async + small
compat shims, and a .bat-only installer. Grounded in a source audit:
about 20 Span/Memory uses in the 9600-baud serial path, 6 modern Task
calls, 1 HashCode.Combine, System.Text.Json in two stores.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
CydandClaude Fable 5
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