feat: legible ReaSampler 9000 editor — bigger knobs, ms time constants, per-ring double-click reset, and an antialiased draw pass

src/shell/instrument/editor_input.cpp

@@ -40,6 +40,19 @@ void ReaSamplerEditor::onMouseDown(int x, int y) {
     mouseDownWaveform(fl, x, y);
 }
 
+bool ReaSamplerEditor::onMouseDoubleClick(int x, int y) {
+    // Only the Sample face's radial knobs claim the gesture. Everything else — Browse's
+    // load accelerator, the spline surfaces' point grammar — is left to the caller's
+    // fall-through to onMouseDown, which is the path those surfaces were built on.
+    if (!processor_ || view_ != View::kSample || curvePopup_ != CurveTarget::kNone) return false;
+    RECT cr{};
+    GetClientRect(childHwnd_, &cr);
+    const FaceLayout fl = faceLayout(cr.right - cr.left, cr.bottom - cr.top);
+    if (doubleClickChrome(fl, x, y)) return true;
+    if (selectedId_.empty()) return false;
+    return doubleClickDeck(fl, x, y);
+}
+
 void ReaSamplerEditor::onMouseMove(int x, int y) {
     if (drag_ == DragKind::kNone) return;
     dragCurX_ = x;  // keep the live cursor position for drag-state draw cues (e.g. drag-off warn)