Widen the deck row block to 1028 so the filter tie-line is exact, and accumulate the meter's block peaks instead of sampling one in 47

src/shell/instrument/reasampler_editor.h

@@ -28,6 +28,7 @@
 #include "core/audio/peaks.h"            // Envelope (the cached peak thumbnail)
 #include "core/instrument/map/sample_map.h"       // SampleChoice, BankChoice, InstrumentParams
 #include "core/instrument/engine/velocity_curve.h"   // VelocityCurve (transfer-curve editor state)
+#include "shell/instrument/editor_interaction.h"  // DragKind / HoverKind / HoverTarget
 
 #ifdef _WIN32
 #include <windows.h>
@@ -79,15 +80,6 @@ private:
     // picker overlaid on it.
     enum class View { kSample, kBrowse };
 
-    // What a mouse drag is currently editing. kWaveMarker/kEnvNode/kCurveNode track their
-    // grabbed item in waveMarker_/envNode_/curvePointIndex_; kDeckKnob is a grab-anchored
-    // knob drag (control in dragParamId_, grab value in dragKnobStartValue_).
-    // kSplineNode is the overlay's peer of kCurveNode: the same VelocityCurve point drag, over
-    // the waveform overlay's box and the overlay-active envelope's contour rather than the
-    // popup's box and curve.
-    enum class DragKind { kNone, kRootMarker, kWaveMarker, kScrollThumb, kEnvNode,
-                          kCurveNode, kSplineNode, kDeckKnob };
-
     // Which envelope the waveform overlay is drawing and editing. The selection type and its
     // whole state machine are the pure deck_groups module's; this alias keeps the shell's
     // spelling.
@@ -115,41 +107,6 @@ private:
     // What those four marks are showing — see pickedMarkers.
     using SetupMarkers = instrument::ui::LoopMarks;
 
-    // The interactive element under the pointer, resolved live in WM_MOUSEMOVE. `index`
-    // disambiguates within a kind (tab ordinal, visible-card index, control-row id); -1 when
-    // not applicable.
-    enum class HoverKind {
-        kNone,
-        kNavBrowse,       // the chrome "Browse" toolbar button (opens the Browse modal)
-        kBack,            // the Browse "back" affordance (returns to Sample)
-        kSearchBox,       // the browser search box
-        kFilterTab,       // a bank-filter tab (index = tab ordinal, 0 = All)
-        kCard,            // a capture card (index = visible_ index)
-        kBrowseConfirm,   // the Browse modal "Load" confirm button
-        kBrowseCancel,    // the Browse modal "Cancel" button
-        kChanMono,        // the mono channel-mode segment
-        kChanStereo,      // the stereo channel-mode segment
-        kLoopOff,         // the loop enable's Off segment
-        kLoopOn,          // the loop enable's On segment
-        kWaveMark,        // a waveform overlay mark (index = WaveMark ordinal); promotes its label
-        kPreview,         // the preview-trigger button
-        kBake,            // the resample-bake trigger
-        kControl,         // a knob-deck element (index = control id)
-        kInnerDial,       // a knob cell's inner curve dial (index = the OUTER control id)
-        kEnvRadio,        // an envelope deck's overlay-select radio (index = radio control id)
-        kCurveNode,       // a velocity-curve control point (index = point index)
-        kVelKnob,         // the chrome preview-velocity radial knob
-        kHoldKnob,        // the chrome bake-Hold radial knob
-        kStripKey,        // a piano-strip key (index = MIDI note); carries the name tooltip
-        kPopupClose,      // the curve popup's Close (x) button
-    };
-    struct HoverTarget {
-        HoverKind kind = HoverKind::kNone;
-        int index = -1;
-        bool operator==(const HoverTarget& o) const { return kind == o.kind && index == o.index; }
-        bool operator!=(const HoverTarget& o) const { return !(*this == o); }
-    };
-
     // The three-band stack for the current client size, plus the chrome interior. Every
     // paint/hit-test path derives both through this one call so draw and hit-test can never
     // disagree about where a band is.
@@ -489,6 +446,11 @@ private:
     std::string bakeMessage_;   // last outcome, shown in the title band
     int bakeMessageTicks_ = 0;  // sync ticks the message survives
 
+    // The limiter toggle, armed by the click and run on the sync tick — the commit requests a
+    // host latency restart, which is the same nested-inside-a-mouse-handler hazard the bake
+    // defers for. Empty = nothing armed.
+    std::optional<bool> limiterPending_;
+
     // The editor-drop -> extension-ingest relay is not shipped (the bridge is read-only):
     // an OS drop just flashes a "drop on the panel instead" banner (dropHintTicks_ counts
     // down via the sync tick). Never ingests, never inserts a timeline item.