Bake window derives itself: %-knob fold, declick pad, Gate held to exhaustion, preview velocity; Hold is the one knob a loop needs

src/shell/instrument/editor_paint_chrome.cpp

@@ -10,6 +10,7 @@
 #include <cstdio>
 #include <string>
 
+#include "core/instrument/note/musical_division.h"  // divisionLabel (the Hold readout)
 #include "core/instrument/ui/keyboard_strip.h"  // StripLayout / keyRect / noteName
 #include "core/instrument/ui/knob_deck.h"       // kDeckKnobSize (the shared knob square)
 #include "core/ui/tooltip.h"                    // computeTooltip (shared placement math)
@@ -145,6 +146,22 @@ void ReaSamplerEditor::paintChrome(LICE_IBitmap* bmp, const FaceLayout& fl, bool
         drawButton(bmp, box, "Bake", st, /*warn=*/false);
     }
 
+    // Bake Hold: the note length the bake holds the gate for. Drawn ONLY while the window
+    // cannot be derived without it — every other dialed sound bakes with no user input, and a
+    // control that did nothing there would read as one that did.
+    if (bakeHoldNeeded_) {
+        const bool dragging = (drag_ == DragKind::kDeckKnob && dragParamId_ == kBakeHoldKnobId);
+        const bool hov = isHovered(HoverKind::kHoldKnob, -1);
+        const InteractionState st = dragging ? InteractionState::Dragging
+                                             : (hov ? InteractionState::Hover
+                                                    : InteractionState::Rest);
+        drawKnobFace(bmp, cr.holdKnob, bakeHoldNorm(), st);
+        const std::string label = dragging || hov
+                                      ? instrument::note::divisionLabel(params_.bakeHold)
+                                      : std::string("Hold");
+        kitTextCentered(bmp, cr.holdLabel, label.c_str(), Font::Micro, Role::TextDim);
+    }
+
     // Preview-trigger button (fires the loaded capture at root through the live voice engine).
     // A drawn play triangle rather than a label or an embedded image: it inherits the button's
     // own foreground role, so it stays legible in every interaction state at no build cost.