Γ-W1-T2: the published GR meter reads the limiter, not the mute

Retire the effectiveGain blend so the meter's minimum tracks smoothGain's own
reduction against real input, unscaled by the transition mute — a toggle over
quiet material now reads no reduction instead of pinning to 0.

src/shell/instrument/reasampler_processor.h

@@ -40,7 +40,10 @@ class ReaSamplerEmbed;  // embedded TCP/MCP UI shell (owned below; see queryInte
 struct MasterBusMeter {
     float peakL = 0.f;     // max |x| this block
     float peakR = 0.f;
-    float minGain = 1.f;   // smallest limiter gain applied this block; 1 = no reduction
+    // Smallest gain the LIMITER computed this block (Limiter::process) — deliberately NOT
+    // scaled by the transition mute, so a toggle over quiet material reads 1 (no reduction)
+    // rather than the mute's own weight. 1 = no reduction.
+    float minGain = 1.f;
     bool clip = false;     // LATCHED at a block peak >= 0 dBFS; only clearMasterBusClip lowers it
 };