ENH - refine phone notes experience

Moves the first notes editor line into an H1 title, keeps it stable when empty, and removes the separate title field. Includes the remaining pending phone UI, voice, locale, bridge, and test updates on this branch.

sky_phone/source/bridge/shared.lua

@@ -11,6 +11,14 @@ function Bridge.Speaker.IsEnabled()
     return not Config.Speaker or Config.Speaker.Enabled ~= false
 end
 
+function Bridge.Radio.SupportsSpeaker()
+    return false
+end
+
+function Bridge.Radio.SetPlayerSpeaker()
+    return false
+end
+
 local level_colours = {
     debug = "^5",
     info = "^2",