Review (mstan): the title key is now experimental_jogcon_force_feedback(
_invert) and the runtime logs it as EXPERIMENTAL. Force feedback goes through
a pure driver (psx_jogcon_ffb.h) and an SDL haptic backend
(psx_jogcon_ffb_sdl.cpp): every force has a 120 ms lifetime renewed each
VBlank, so a pause, stall or crash goes slack by itself, and the Rewind and
save-state pause loops, disconnect (close_player) and session end
(close_controller) stop it explicitly. Tests: jogcon_ffb_test drives the
driver against a recording backend (lifetime, renew, stop once, neutral,
idempotence, disable mid-force); jogcon_ffb_sdl_test runs the SDL backend
against an SDL3 virtual wheel. SDL has no virtual haptic device, so it checks
that such a device is not driven, never falls back to rumble and closes
cleanly. Also fixes the SDL3 haptic subsystem init check (psx_sdl.h returns
0 on success).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Shokunin