[Refactor] (P13 W5 S4): the staged stores move to MG_Backend/Record as MG_Record and die through the record fail seam.

MobileGL/MG_Remote/Server/SessionRuntime.cpp

@@ -12,7 +12,7 @@
 
 #include <MG_Backend/DirectGLES/DirectGLES.h>
 #include <MG_Remote/FatalFunnel.h>
-#include <MG_Remote/Server/StagedShadow.h>
+#include <MG_Backend/Record/StagedShadow.h>
 #include <MG_Remote/Wire/PipeWireCodec.h>
 
 #include <atomic>
@@ -85,7 +85,7 @@ namespace MobileGL::MG_Remote::Server {
         // The server's staged stores (StagedShadow.h) file their entries under the same two
         // words as the twin tables, for the same reason one level up: the bytes they hold belong
         // to one session's group, and a session's teardown may drop only its own.
-        Bool ResolveThreadStagedBucket(StagedBucket* outBucket) {
+        Bool ResolveThreadStagedBucket(MG_Record::StagedBucket* outBucket) {
             MG_Backend::DirectGLES::TwinKey key;
             if (!ResolveThreadTwinKey(&key)) return false;
             outBucket->SessionKey = key.SessionKey;
@@ -103,7 +103,7 @@ namespace MobileGL::MG_Remote::Server {
         // P14 S6: the twin tables' key. Same probe, one level down, installed beside the two it
         // is the twin of (the native tuple's and the applier's).
         MG_Backend::DirectGLES::SetTwinKeyResolver(&ResolveThreadTwinKey);
-        SetStagedBucketResolver(&ResolveThreadStagedBucket);
+        MG_Record::SetStagedBucketResolver(&ResolveThreadStagedBucket);
     }
 
     SessionRuntime* Detail::CurrentRuntime() { return t_runtime; }