fix(embed): WM_GETMINMAXINFO size hints, remove dead selectedId_, fix selectedZone_ comment, decay embedPeak_ on early returns

src/vst/reasampler_embed.h

@@ -90,9 +90,9 @@ private:
     // Snapshotted for the current paint (refreshed each paint off the audio thread).
     std::vector<SampleChoice> samples_;
     PerformanceMap map_;
-    std::string selectedId_;
-    // The zone the last click selected (mirrored to the processor's editor-shared selection
-    // where meaningful); -1 = none. Drives the strip's highlight.
+    // The zone the last click selected (local/visual only — S6 selection constraint; the
+    // processor's editor-shared selection is NOT updated from here); -1 = none.
+    // Drives the strip's highlight.
     int selectedZone_ = -1;
 };