fix: Correctly remove extremities after creating a new event

src/api/client/membership/knock.rs

@@ -458,6 +458,7 @@ async fn knock_room_helper_local(
 		.await?;
 
 	info!("Appending room knock event locally");
+	services.rooms.timeline.progress_extremities(&parsed_knock_pdu).await?;
 	services
 		.rooms
 		.timeline
@@ -654,6 +655,7 @@ async fn knock_room_helper_remote(
 		.await?;
 
 	info!("Appending room knock event locally");
+	services.rooms.timeline.progress_extremities(&parsed_knock_pdu).await?;
 	services
 		.rooms
 		.timeline

src/service/rooms/membership/mod.rs

@@ -668,6 +668,7 @@ impl Service {
 		// We append to state before appending the pdu, so we don't have a
 		// moment in time with the pdu without it's state. This is okay
 		// because append_pdu can't fail.
+		self.services.timeline.progress_extremities(&parsed_join_pdu).await?;
 		let statehash_after_join = self
 			.services
 			.state

src/service/rooms/timeline/build.rs

@@ -111,6 +111,7 @@ impl super::Service {
 		// because append_pdu can't fail.
 		trace!("Appending {} state for room {room_id}", pdu.event_id());
 		let statehashid = self.services.state.append_to_state(&pdu, &room_id).await?;
+		self.progress_extremities(&pdu).await?;
 		trace!("State hash ID for {room_id}: {statehashid:?}");
 
 		trace!("Generating raw ID for PDU {}", pdu.event_id());