Ξ-W2-T1: the resample bake chain — instrument renders, extension banks, one click re-points and resets

src/shell/instrument/reasampler_editor.h

@@ -121,6 +121,7 @@ private:
         kChanMono,        // the mono channel-mode segment
         kChanStereo,      // the stereo channel-mode segment
         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)
@@ -422,6 +423,16 @@ private:
     // up. One note at a time — a fresh press releases the prior.
     int previewingNote_ = -1;
 
+    // Resample bake. The click only ARMS it; the sync tick runs it. Running it inline
+    // would nest a synchronous REAPER action — which re-points this very instance — inside
+    // a mouse handler with the capture held.
+    bool bakePending_ = false;
+    // Whether the extension's bake action is registered, resolved on the same tick that
+    // governs the button's paint, so the control is never enabled and then refusing.
+    bool bakeAvailable_ = false;
+    std::string bakeMessage_;   // last outcome, shown in the title band
+    int bakeMessageTicks_ = 0;  // sync ticks the message survives
+
     // 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.