chore(config): add tmux config with mouse/clipboard support

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

dotfiles/tmux.conf

@@ -0,0 +1,47 @@
+# True color support
+set -g default-terminal "tmux-256color"
+set -ag terminal-overrides ",xterm-256color:RGB"
+
+# Status bar at top
+set -g status-position top
+
+# Modern status bar styling
+set -g status-style 'bg=#1a1b26 fg=#a9b1d6'
+set -g status-left '#[fg=#7aa2f7,bold] #S '
+set -g status-right '#[fg=#565f89]%Y-%m-%d %H:%M '
+set -g status-left-length 40
+
+# Window tabs
+set -g window-status-current-format '#[fg=#1a1b26,bg=#7aa2f7,bold] #I:#W '
+set -g window-status-format '#[fg=#565f89] #I:#W '
+
+# Pane borders
+set -g pane-border-style 'fg=#3b4261'
+set -g pane-active-border-style 'fg=#7aa2f7'
+
+# Message styling
+set -g message-style 'bg=#1a1b26 fg=#7aa2f7'
+
+# Mouse support (click, scroll, resize panes)
+set -g mouse on
+
+# Clipboard support (OSC 52 - works with modern terminals)
+set -g set-clipboard on
+
+# Scroll history
+set -g history-limit 50000
+
+# Copy mode with vi keys
+setw -g mode-keys vi
+
+# Copy to system clipboard (macOS)
+bind-key -T copy-mode-vi v send-keys -X begin-selection
+bind-key -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "pbcopy"
+bind-key -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-pipe-and-cancel "pbcopy"
+
+# Tokyo Night theme plugin
+set -g @plugin 'tmux-plugins/tpm'
+set -g @plugin 'janoamaral/tokyo-night-tmux'
+
+# Initialize TPM (keep at bottom)
+run '~/.tmux/plugins/tpm/tpm'