Phase S voices: user-set polyphony, mono stack (retrig|legato), isolated preview card, idle-drain retirement; unity bypass preview-only (v7)

src/vst/reasampler_editor.h

@@ -347,6 +347,14 @@ private:
     PerformanceMap map_;                  // the opt-in zones (empty = no zones)
     ChannelMode channelMode_ = ChannelMode::Mono;  // S7 mono/stereo toggle snapshot
 
+    // --- Phase S voice-deck snapshot (PROVISIONAL controls — the Wave B recompose owns the
+    // final deck). Mirrors of the processor's persisted voice-system params, refreshed with
+    // the rest of the live snapshot; every edit writes through the processor setters (which
+    // rebuild the engine off-thread via the drain-slot swap).
+    int voiceCount_ = kDefaultVoiceCount;
+    VoiceMode voiceMode_ = VoiceMode::Poly;
+    MonoTrigger monoTrigger_ = MonoTrigger::Retrigger;
+
     // --- Transient UI state (not persisted; component state carries selection + zones) ---
     View view_ = View::kSample;           // default face is the loaded-sample home (S-VIEW-1)
     std::string activeFilterBankId_;      // "" = All; else a bank id from banks_