lua nvim, change mod key

nvim-server/init.lua

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+-- Minimal server editor config
+-- Launch with: NVIM_APPNAME=nvim-server nvim
+
+-------------------- Options --------------------
+vim.g.mapleader = ","
+vim.opt.number = true
+vim.opt.cursorline = true
+vim.opt.expandtab = true
+vim.opt.tabstop = 4
+vim.opt.shiftwidth = 4
+vim.opt.softtabstop = 4
+vim.opt.autoindent = true
+vim.opt.smartindent = true
+vim.opt.hlsearch = true
+vim.opt.incsearch = true
+vim.opt.ignorecase = true
+vim.opt.smartcase = true
+vim.opt.splitright = true
+vim.opt.splitbelow = true
+vim.opt.termguicolors = true
+vim.opt.scrolloff = 8
+vim.opt.signcolumn = "no"
+vim.opt.updatetime = 250
+vim.opt.undofile = true
+vim.opt.clipboard = "unnamedplus"
+
+-------------------- Keymaps --------------------
+vim.keymap.set("n", "i", ":nohls<CR>i", { silent = true })
+vim.keymap.set("n", "<Space>", ":w<CR>", { silent = true })
+
+-- Window navigation
+vim.keymap.set("n", "<C-h>", "<C-W>h")
+vim.keymap.set("n", "<C-j>", "<C-W>j")
+vim.keymap.set("n", "<C-k>", "<C-W>k")
+vim.keymap.set("n", "<C-l>", "<C-W>l")
+
+-- Tab management
+vim.keymap.set("n", "<leader>to", ":tabonly<CR>", { silent = true })
+vim.keymap.set("n", "<leader>o", ":only<CR>", { silent = true })
+vim.keymap.set("n", "<leader><Tab>", ":tabn<CR>", { silent = true })
+vim.keymap.set("n", "<S-Tab>", ":tabp<CR>", { silent = true })
+
+
+-------------------- Netrw (built-in file browser) --------------------
+vim.g.netrw_banner = 0
+vim.g.netrw_liststyle = 3
+vim.keymap.set("n", "<F2>", ":Explore<CR>", { silent = true })
+
+-------------------- Statusline (built-in) --------------------
+vim.opt.statusline = " %f %m%r%= %y  %l:%c  %p%% "
+
+-------------------- Bootstrap lazy.nvim --------------------
+local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
+if vim.fn.isdirectory(lazypath) == 0 then
+    vim.fn.system({
+        "git", "clone", "--filter=blob:none",
+        "https://github.com/folke/lazy.nvim.git",
+        "--branch=stable",
+        lazypath,
+    })
+end
+vim.opt.rtp:prepend(lazypath)
+
+require("lazy").setup({
+    { "4ree/viml-surround", event = "VeryLazy" },
+    { "numToStr/Comment.nvim", event = "VeryLazy", opts = {} },
+    {
+        "junegunn/fzf.vim",
+        dependencies = { "junegunn/fzf" },
+        keys = {
+            { "<leader>f", "<cmd>Files<CR>", desc = "Find files" },
+            { "<leader>b", "<cmd>Buffers<CR>", desc = "Buffers" },
+            { "<leader>r", "<cmd>Rg<CR>", desc = "Ripgrep" },
+            { "<leader>g", "<cmd>GFiles<CR>", desc = "Git files" },
+        },
+    },
+})
+
+-------------------- Grep (use ripgrep if available) --------------------
+if vim.fn.executable("rg") == 1 then
+    vim.opt.grepprg = "rg --vimgrep --smart-case"
+    vim.opt.grepformat = "%f:%l:%c:%m"
+end