fix: fix SYS_GETUSER missing in syscall switch, use getuser in shell username print

kernel/src/Api/Syscall.cpp

@@ -337,6 +337,12 @@ namespace Montauk {
                 return Sys_SetTZ((int32_t)frame->arg1);
             case SYS_GETTZ:
                 return Sys_GetTZ();
+            case SYS_SETUSER:
+                if (!ValidUserPtr(frame->arg2)) return -1;
+                return Sys_SetUser((int)frame->arg1, (const char*)frame->arg2);
+            case SYS_GETUSER:
+                if (!ValidUserPtr(frame->arg1)) return -1;
+                return Sys_GetUser((char*)frame->arg1, frame->arg2);
             default:
                 return -1;
         }

programs/src/shell/main.cpp

@@ -17,14 +17,15 @@ char session_home[64] = "";
 // ---- Session info (read once at startup) ----
 
 void read_session() {
-    auto doc = montauk::config::load("session");
-    const char* name = doc.get_string("session.username", "");
-    if (name[0]) {
-        scopy(session_user, name, sizeof(session_user));
+    // TODO Why is getuser treated as not defined in VSCode intellisense?
+
+    montauk::getuser(
+        (char *)&session_user, // Buffer
+        32                     // Buffer max size
+    );
+
     scopy(session_home, "0:/users/", sizeof(session_home));
     scat(session_home, session_user, sizeof(session_home));
-    }
-    doc.destroy();
 }
 
 // ---- Command history ----