Even clearer about where these pins are going

app/controllers/cards/pins_controller.rb

@@ -16,10 +16,10 @@ class Cards::PinsController < ApplicationController
 
   private
     def broadcast_add_to_tray(pin)
-      pin.broadcast_prepend_later_to [ Current.user, :pins ], target: "pins", partial: "my/pins/pin"
+      pin.broadcast_prepend_later_to [ Current.user, :pins_tray ], target: "pins", partial: "my/pins/pin"
     end
 
     def broadcast_remove_from_tray(pin)
-      pin.broadcast_remove_to [ Current.user, :pins ]
+      pin.broadcast_remove_to [ Current.user, :pins_tray ]
     end
 end

app/views/my/pins/_tray.html.erb

@@ -1,4 +1,4 @@
-<%= turbo_stream_from Current.user, :pins %>
+<%= turbo_stream_from Current.user, :pins_tray %>
 
 <%= tag.dialog id: "pin-tray", class: "tray pin-tray",
       data: { controller: "dialog", turbo_permanent: true, dialog_modal_value: false, dialog_target: "dialog", action: "keydown.esc->dialog#close:stop click@document->dialog#closeOnClickOutside" } do %>