Add /flush to force server cache reset with internal Server

include/wrapper/NonRealtime.hpp

@@ -898,6 +898,13 @@ namespace impl {
 
       RegisterUnitIf<IsRTQueryModel,NRTModelQueryUnit>()(ft);
       Client::getMessageDescriptors().template iterate<SetupMessageCmd>();
+      
+      
+      static std::string flushCmd = std::string(Wrapper::getName()) + "/flush";
+      
+      ft->fDefinePlugInCmd(flushCmd.c_str(),[](World*, void*, struct sc_msg_iter*, void* ){
+        mCache.clear();
+      },nullptr);
     }
 
 

release-packaging/Classes/FluidServerObject.sc

@@ -15,6 +15,7 @@ FluidServerObject
         serverCaches[this] ?? {serverCaches[this] = FluidServerCache.new};
         serverCaches[this].initCache(server);
         NotificationCenter.register(server,\newAllocators,this,{ count = 0; });
+        ServerBoot.add({this.flush(Server.internal)},Server.internal);
     }
 
     *newMsg{|id, params|
@@ -81,6 +82,9 @@ FluidServerObject
 
     *objectClassName { ^this.name.asSymbol }
 
+    *flushMsg { ^['/cmd',this.objectClassName ++ '/flush'] }
+
+    *flush {|server| server.listSendMsg(this.flushMsg)}
 }
 
 FluidBufProcessor : FluidServerObject