Add a quick TODO about merging cp- and locally-initiated splices

Author: TheBlueMatt

lightning/src/ln/channel.rs

@@ -10881,6 +10881,11 @@ where
 			})?;
 		debug_assert!(interactive_tx_constructor.take_initiator_first_message().is_none());
 
+		// TODO(splicing): if post_quiescence_action is set, integrate what the user wants to do
+		// into the counterparty-initiated splice. For always-on nodes this probably isn't a useful
+		// optimization, but for often-offline nodes it may be, as we may connect and immediately
+		// go into splicing from both sides.
+
 		let funding_pubkey = splice_funding.get_holder_pubkeys().funding_pubkey;
 
 		self.pending_splice = Some(PendingSplice {