fixes

nvim/lua/config/keymaps.lua

@@ -18,7 +18,16 @@ map("n", "<C-Right>", ":vertical resize +2<CR>", { desc = "Increase window width
 -- Buffers
 map("n", "<S-l>", ":bnext<CR>", { desc = "Next buffer" })
 map("n", "<S-h>", ":bprevious<CR>", { desc = "Previous buffer" })
-map("n", "<leader>bd", ":bdelete<CR>", { desc = "Delete buffer" })
+map("n", "<leader>bd", function()
+  local current = vim.api.nvim_get_current_buf()
+  local bufs = vim.tbl_filter(function(b)
+    return b.bufnr ~= current and vim.bo[b.bufnr].filetype ~= "neo-tree"
+  end, vim.fn.getbufinfo({ buflisted = 1 }))
+  if #bufs > 0 then
+    vim.api.nvim_set_current_buf(bufs[1].bufnr)
+  end
+  vim.cmd("bdelete " .. current)
+end, { desc = "Delete buffer" })
 
 -- Move lines up/down in visual mode
 map("v", "J", ":m '>+1<CR>gv=gv", { desc = "Move selection down" })

nvim/lua/plugins/editor.lua

@@ -47,6 +47,14 @@ return {
       { "<leader>n", "<cmd>Neotree toggle<cr>", desc = "Toggle file explorer" },
     },
     opts = {
+      window = {
+        mappings = {
+          ["l"] = "open",
+          ["h"] = "close_node",
+          ["<right>"] = "open",
+          ["<left>"] = "close_node",
+        },
+      },
       filesystem = {
         filtered_items = {
           visible = true,

nvim/lua/plugins/lualine.lua

@@ -1,24 +1,23 @@
+local layout = "EN"
+
+local function update_layout()
+  vim.system({ "im-select" }, { text = true }, function(result)
+    if result.stdout then
+      layout = result.stdout:find("Russian") and "RU" or "EN"
+    end
+  end)
+end
+
+-- Update layout in background every second, never blocks UI
+local timer = vim.loop.new_timer()
+timer:start(0, 1000, vim.schedule_wrap(update_layout))
+
 local function keyboard_layout()
-  local handle = io.popen("im-select")
-  if not handle then
-    return ""
-  end
-  local result = handle:read("*a")
-  handle:close()
-  if result:find("Russian") then
-    return "RU"
-  end
-  return "EN"
+  return layout
 end
 
 local function keyboard_layout_color()
-  local handle = io.popen("im-select")
-  if not handle then
-    return { bg = "#a6e3a1", fg = "#1e1e2e", gui = "bold" }
-  end
-  local result = handle:read("*a")
-  handle:close()
-  if result:find("Russian") then
+  if layout == "RU" then
     return { bg = "#f38ba8", fg = "#1e1e2e", gui = "bold" }
   end
   return { bg = "#a6e3a1", fg = "#1e1e2e", gui = "bold" }