internal/app: check transmitted ops

This simulates params to shim and this is the last step before params to shim is merged.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/app/spfinal.go

@@ -1,6 +1,7 @@
 package app
 
 import (
+	"encoding/gob"
 	"fmt"
 	"slices"
 	"strings"
@@ -12,6 +13,8 @@ import (
 	"hakurei.app/system/acl"
 )
 
+func init() { gob.Register(spFinal{}) }
+
 // spFinal is a transitional op destined for removal after #3, #8, #9 has been resolved.
 // It exists to avoid reordering the expected entries in test cases.
 type spFinal struct{}