chore(nvim): improve slimux configuration and key mapping

config/nvim/lua/custom/plugins/init.lua

@@ -106,28 +106,41 @@ return {
   },
   {
     'EvWilson/slimux.nvim',
+    lazy = true,
     opts = function()
-      local slimux = require('slimux')
+      local status_ok, slimux = pcall(require, 'slimux')
+      if not status_ok then
+        return {}
+      end
       return {
         target_socket = slimux.get_tmux_socket(),
-        target_pane = string.format('%s.2', slimux.get_tmux_window()),
+        target_pane = string.format('%s.1', slimux.get_tmux_window()),
       }
     end,
     keys = function()
-      local slimux = require('slimux')
+      local status_ok, which_key = pcall(require, 'which-key')
+      if status_ok then
+        which_key.add {
+          { '<leader>m', group = 'Toggle ter[m]inal' },
+        }
+      end
+      local slimux_status_ok, slimux = pcall(require, 'slimux')
+      if not slimux_status_ok then
+        return {}
+      end
       return {
         {
-          'v',
+          '<leader>xr',
-          '<leader>r',
           slimux.send_highlighted_text,
+          mode = 'v',
           desc = 'Send currently highlighted text to configured tmux pane',
         },
         {
-          'n',
           '<leader>r',
           slimux.send_paragraph_text,
+          mode = 'n',
           desc = 'Send paragraph under cursor to configured tmux pane',
-        }
+        },
       }
     end,
   },