instrument: spline EGs — hard points on the one shared spline, a drawn contour per envelope beside its staged state, payload v13

src/shell/instrument/CMakeLists.txt

@@ -51,6 +51,7 @@ if(WIN32 AND EXISTS "${VST3_SDK}/public.sdk/source/main/pluginfactory.cpp")
         # matching sets, plus the two band-independent surfaces and the platform TU.
         editor_session.cpp
         editor_controls.cpp
+        editor_models.cpp
         editor_paint.cpp
         editor_paint_chrome.cpp
         editor_paint_waveform.cpp
@@ -85,7 +86,7 @@ if(WIN32 AND EXISTS "${VST3_SDK}/public.sdk/source/main/pluginfactory.cpp")
         capture_browser keyboard_strip sample_bands sample_chrome
         waveform_view bank_sync browser_scroll param_slider tooltip
         theme component_geometry bank_grid trigger_seam envelope_overlay envelope_edit
-        knob_deck deck_groups curve_popup master_gain sample_usage file_bytes curve_law)
+        knob_deck deck_groups curve_popup spline_edit master_gain sample_usage file_bytes curve_law)
     # SDK_INC gives the REAPER VST3 interfaces + API header for the bridge; WDL_INC gives
     # LICE for the editor. The VST3 SDK headers arrive via vst3_sdk PUBLIC.
     target_include_directories(reasampler_vst PRIVATE ${REASAMPLER_SRC_DIR} ${SDK_INC} ${WDL_INC})