return {
  {
    "christoomey/vim-tmux-navigator",
    lazy = false,
    cmd = {
      "TmuxNavigateLeft",
      "TmuxNavigateDown",
      "TmuxNavigateUp",
      "TmuxNavigateRight",
      "TmuxNavigatePrevious",
    },
  },
  {
    "google/executor.nvim",
    dependencies = {
      "MunifTanjim/nui.nvim",
    },
    lazy = true,
    cmd = {
      "ExecutorRun",
      "ExecutorToggleDetail",
      "ExecutorSetCommand",
    },
    config = function(_, opts)
      require("executor").setup(opts)
    end,
    opts = {
      use_split = false,
    },
    keys = {
      {
        "<leader>Brr",
        ":ExecutorRun<CR>",
        desc = "Run task in background",
      },
      {
        "<leader>Bro",
        ":ExecutorRun<CR>",
        desc = "Run one-off task in background",
      },
      {
        "<leader>Brs",
        ":ExecutorSetCommand<CR>",
        desc = "Set background command to run",
      },
      {
        "<leader>Bll",
        ":ExecutorToggleDetail<CR>",
        desc = "Show last task details",
      },
    },
  },
  {
    "folke/which-key.nvim",
    opts = {
      spec = {
        { "<leader>B", group = "+background task" },
        { "<leader>Br", group = "+run task" },
        { "<leader>Bl", group = "+last task" },
      },
    },
  },
  -- Use <tab> for completion and snippets (supertab)
  -- first: disable default <tab> and <s-tab> behavior in LuaSnip
  {
    "L3MON4D3/LuaSnip",
    keys = function()
      return {}
    end,
  },
  -- then: setup supertab in cmp
  {
    "hrsh7th/nvim-cmp",
    dependencies = {
      "hrsh7th/cmp-emoji",
    },
    ---@class opts cmp.ConfigSchema
    opts = function(_, opts)
      local has_words_before = function()
        unpack = unpack or table.unpack
        local line, col = unpack(vim.api.nvim_win_get_cursor(0))
        return col ~= 0 and vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1]:sub(col, col):match("%s") == nil
      end

      local luasnip = require("luasnip")
      local cmp = require("cmp")

      opts.mapping = vim.tbl_extend("force", opts.mapping, {
        ["<Tab>"] = cmp.mapping(function(fallback)
          if cmp.visible() then
            -- You could replace select_next_item() with confirm({ select = true }) to get VS Code autocompletion behavior
            cmp.select_next_item()
            -- You could replace the expand_or_jumpable() calls with expand_or_locally_jumpable()
            -- they way you will only jump inside the snippet region
          elseif luasnip.expand_or_jumpable() then
            luasnip.expand_or_jump()
          elseif has_words_before() then
            cmp.complete()
          else
            fallback()
          end
        end, { "i", "s" }),
        ["<S-Tab>"] = cmp.mapping(function(fallback)
          if cmp.visible() then
            cmp.select_prev_item()
          elseif luasnip.jumpable(-1) then
            luasnip.jump(-1)
          else
            fallback()
          end
        end, { "i", "s" }),
      })
    end,
  },

  {
    "snacks.nvim",
    opts = {
      zen = {},
      terminal = {},
    },
  },

  -- REST Client (kulala.nvim) - keymaps for API testing
  -- Plugin is installed via lazyvim.plugins.extras.util.rest
  {
    "mistweaverco/kulala.nvim",
    keys = {
      { "<leader>Rs", function() require("kulala").run() end, desc = "Send Request" },
      { "<leader>Ra", function() require("kulala").run_all() end, desc = "Send All Requests" },
      { "<leader>Rr", function() require("kulala").replay() end, desc = "Replay Last Request" },
      { "<leader>Ri", function() require("kulala").inspect() end, desc = "Inspect Request" },
      { "<leader>Rt", function() require("kulala").toggle_view() end, desc = "Toggle Headers/Body" },
      { "<leader>Rc", function() require("kulala").copy() end, desc = "Copy as cURL" },
      { "<leader>Re", function() require("kulala").set_selected_env() end, desc = "Select Environment" },
      { "<leader>Rv", function() require("kulala").show_stats() end, desc = "Show Stats" },
      { "[r", function() require("kulala").jump_prev() end, desc = "Prev Request" },
      { "]r", function() require("kulala").jump_next() end, desc = "Next Request" },
    },
    ft = { "http", "rest" },
  },

  -- Session management keymaps (persistence.nvim is installed via LazyVim)
  {
    "folke/persistence.nvim",
    keys = {
      { "<leader>qs", function() require("persistence").load() end, desc = "Restore Session" },
      { "<leader>ql", function() require("persistence").load({ last = true }) end, desc = "Restore Last Session" },
      { "<leader>qd", function() require("persistence").stop() end, desc = "Don't Save Session" },
      { "<leader>qS", function() require("persistence").select() end, desc = "Select Session" },
    },
  },

  -- Additional which-key groups
  {
    "folke/which-key.nvim",
    opts = {
      spec = {
        { "<leader>R", group = "REST client" },
        { "<leader>q", group = "session" },
      },
    },
  },
}