chore: refactor out graph created event

Signed-off-by: kjuulh <contact@kjuulh.io>

crates/hyperlog-tui/src/models.rs

@@ -21,8 +21,7 @@ pub enum Msg {
 
     Edit(EditMsg),
 
-    GraphUpdated(GraphUpdatedEvent),
-
+    GraphUpdated(IOEvent<GraphItem>),
     ItemCreated(IOEvent<()>),
     ItemUpdated(IOEvent<()>),
     SectionCreated(IOEvent<()>),
@@ -37,14 +36,6 @@ pub enum IOEvent<T> {
     Failure(String),
 }
 
-#[derive(Debug)]
-pub enum GraphUpdatedEvent {
-    Initiated,
-    Optimistic(GraphItem),
-    Success(GraphItem),
-    Failure(String),
-}
-
 impl IntoCommand for Msg {
     fn into_command(self) -> crate::commands::Command {
         Command::new(|_| Some(self))