Roadmap: P35 notification bursts, P36 stale warm relay re-dial

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

docs/ROADMAP.md

@@ -52,6 +52,12 @@ Problems are numbered; delete a line when its fix ships.
   the `close:` log lines.
 - P33 No volume readout on wheel: likely fixed by the controls rework
   (1.2.1-dev.1; a test covers both skins); confirm in real use.
+- P35 System notifications in a burst hit KDE Plasma's limit
+  (`ExcessNotificationGeneration`, 3 refused within 3 s after a swap while
+  the window was in the background): throttle or merge them app side.
+- P36 After a reconnect the app re-dials the warm relay of an Up next
+  item that was already played ("relay channel refused: not the source of
+  Up next item q8"): harmless, the feeder should end with its item.
 
 **Restructure** (in order; reviewed against the code). Truth lives in
 three places: the server (members, presence, gate, transport, queue incl.