3 files changed, 7 insertions, 6 deletions
diff --git a/entities/bug/bug.go b/entities/bug/bug.go
index ab873ed8..6c440433 100644
--- a/entities/bug/bug.go
+++ b/entities/bug/bug.go
@@ -13,7 +13,7 @@ import (
 )
 
 var _ Interface = &Bug{}
-var _ entity.Interface[*Snapshot, Operation] = &Bug{}
+var _ entity.Interface[Operation, *Snapshot] = &Bug{}
 
 // 1: original format
 // 2: no more legacy identities
@@ -34,7 +34,7 @@ var def = dag.Definition{
 var ClockLoader = dag.ClockLoader(def)
 
 type Interface interface {
-	entity.Interface[*Snapshot, Operation]
+	entity.Interface[Operation, *Snapshot]
 }
 
 // Bug holds the data of a bug thread, organized in a way close to
diff --git a/entities/bug/op_add_comment.go b/entities/bug/op_add_comment.go
index 17cc5dd0..267fe731 100644
--- a/entities/bug/op_add_comment.go
+++ b/entities/bug/op_add_comment.go
@@ -12,6 +12,7 @@ import (
 )
 
 var _ Operation = &AddCommentOperation{}
+var _ dag.Operation = &AddCommentOperation{}
 var _ entity.OperationWithFiles = &AddCommentOperation{}
 
 // AddCommentOperation will add a new comment in the bug
diff --git a/entities/bug/snapshot.go b/entities/bug/snapshot.go
index 9dbc7862..32baf42c 100644
--- a/entities/bug/snapshot.go
+++ b/entities/bug/snapshot.go
@@ -9,7 +9,7 @@ import (
 	"github.com/MichaelMure/git-bug/entity"
 )
 
-var _ entity.Snapshot = &Snapshot{}
+// var _ entity.Snapshot = &Snapshot{}
 
 // Snapshot is a compiled form of the Bug data structure used for storage and merge
 type Snapshot struct {
@@ -26,7 +26,7 @@ type Snapshot struct {
 
 	Timeline []TimelineItem
 
-	Operations []entity.Operation
+	Operations []Operation
 }
 
 // Id returns the Bug identifier
@@ -38,11 +38,11 @@ func (snap *Snapshot) Id() entity.Id {
 	return snap.id
 }
 
-func (snap *Snapshot) AllOperations() []entity.Operation {
+func (snap *Snapshot) AllOperations() []Operation {
 	return snap.Operations
 }
 
-func (snap *Snapshot) AppendOperation(op entity.Operation) {
+func (snap *Snapshot) AppendOperation(op Operation) {
 	snap.Operations = append(snap.Operations, op)
 }