The single Strength control becomes four faders: the master Strength plus a
per-stage trim for EQ, Compressor and Limiter. Each stage's effective amount
is master × its own fader, so you can keep the tone shaping but ease off the
compression, push only the limiter for loudness, etc. Backward compatible —
presets still set the master `strength`; the new eqAmt/compAmt/limAmt default
to 1 (full).
* DSP (MixTightener): EQ gains scale by strength×eqAmt; compressor gain
reduction + makeup by strength×compAmt (compActive skips the whole comp
stage at compAmt 0); limiter ceiling + output make-up by strength×limAmt.
* Editor: four labelled vertical faders (Strength / EQ / Comp / Limit). Fixed
a refresh bug where a fader child composable didn't observe vm.revision, so
its value didn't visibly update after a drag (the DSP did update); it now
subscribes like ParamControl.
Verified on-device: dragging EQ to 19% left Strength/Comp/Limit at 100%
(independent control, UI refreshes). Test instance added on a spare slot for
verification, then cleared — project untouched.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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