tmux and nvim clipboard passthrough, opencode system theme in tmux

tmux/.tmux.conf

@@ -1,6 +1,5 @@
 # set-option -g default-command "exec /usr/local/bin/bash --login"
 set-option -g status-style bg=default
-bind -T copy-mode-vi Enter send-keys -X copy-pipe-and-cancel "pbcopy"
 
 # Enable mouse
 set -g mouse on 
@@ -35,11 +34,12 @@ set -s escape-time 0
 
 # True color support
 set -g default-terminal "tmux-256color"
-set-option -ga terminal-overrides ",*256col*:Tc"
+set -as terminal-features ',*:RGB,usstyle,osc7,clipboard'
 
 # Allow OSC 11 background queries to pass through
 set -g allow-passthrough on
 set -ga terminal-features "*:osc7,RGB,usstyle,RGB"
+set -g set-clipboard on
 set -as terminal-overrides ',*:Smulx=\E[4::%p1%dm'  # undercurl
 set -as terminal-overrides ',*:Setulc=\E[58::2::%p1%{65536}%/%d::%p1%{256}%/%{255}%&%d::%p1%{255}%&%d%;m'  # truecolor underline
 
@@ -51,7 +51,8 @@ set -g pane-active-border-style "fg=blue"
 
 setw -g mode-keys vi
 bind -T copy-mode-vi 'v' send -X begin-selection
-bind -T copy-mode-vi 'y' send -X copy-pipe-and-cancel "pbcopy"
+bind -T copy-mode-vi Enter send -X copy-selection-and-cancel
+bind -T copy-mode-vi 'y' send -X copy-selection-and-cancel
 
 # set -g status-right "#(date +'%I:%M %p')"
 # set -g status-right "#(date +'%A, %B %d, %Y')"
@@ -64,7 +65,7 @@ bind o \
     set status off
 
 # Reserve C-Space O for leaving OFF mode.
-unbind -T off O
+unbind -q -T off O
 bind -T off C-Space switch-client -T off-prefix
 
 bind -T off-prefix O \