feat: WASM based web simulator (#7164)

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

radio/src/targets/simu/simulib.cpp

@@ -33,6 +33,8 @@
 #include "debug.h"
 #include "switches.h"
 #include "input_mapping.h"
+#include "gui/gui_common.h"
+#include "mixes.h"
 #if defined(GVARS)
 #include "gvars.h"
 #endif
@@ -54,6 +56,7 @@ char * main_thread_error = nullptr;
 
 bool simu_shutdown = false;
 bool simu_running = false;
+bool simuCreateDefaultSettings = false;
 
 
 volatile rotenc_t rotencValue = 0;
@@ -115,6 +118,11 @@ static void* bootloaderThread(void*)
 }
 #endif
 
+void simuCreateDefaults()
+{
+  simuCreateDefaultSettings = true;
+}
+
 void simuStart(bool tests)
 {
   if (simu_running)
@@ -759,6 +767,21 @@ uint8_t simuCopyMixOutputs(int16_t* buf, uint8_t maxCount)
   return n;
 }
 
+bool simuIsChannelUsed(uint8_t channel)
+{
+  return isChannelUsed(channel);
+}
+
+int simuGetChannelsUsed()
+{
+  return getChannelsUsed();
+}
+
+uint8_t simuGetMixCount()
+{
+  return getMixCount();
+}
+
 uint8_t simuGetNumLogicalSwitches()
 {
   return MAX_LOGICAL_SWITCHES;