style: Improve logging

src/api/server/send.rs

@@ -133,6 +133,7 @@ async fn wait_for_result(
 }
 
 #[instrument(
+	name="transaction"
 	skip_all,
 	fields(
 		id = ?body.transaction_id.as_str(),

src/service/rooms/event_handler/handle_incoming_pdu.rs

@@ -108,7 +108,6 @@ async fn should_rescind_invite(
 #[implement(super::Service)]
 #[tracing::instrument(
 	name = "pdu",
-	level = INFO_SPAN_LEVEL,
 	skip_all,
 	fields(%room_id, %event_id),
 )]

src/service/rooms/event_handler/upgrade_outlier_pdu.rs

@@ -389,6 +389,7 @@ pub(super) async fn upgrade_outlier_to_timeline_pdu<Pdu>(
 		self.services
 			.metadata
 			.set_mindepth(room_id, incoming_pdu.depth.into());
+		trace!("Increased room's min depth from {} to {}", min_depth, incoming_pdu.depth);
 	}
 
 	Ok(pdu_id)