commit 91caa45acabcee29fa4ff436720bacb02e437efb
Author: lenn <lennlouis@163.com>
Date:   Sun Jan 4 09:14:52 2026 +0800

    first commit

diff --git a/init.lua b/init.lua
new file mode 100644
index 0000000..bb1d484
--- /dev/null
+++ b/init.lua
@@ -0,0 +1,363 @@
+-- ~/.config/nvim/init.lua
+vim.g.mapleader = " "
+
+-- 基础体验
+vim.opt.number = true
+vim.opt.relativenumber = true
+vim.opt.signcolumn = "yes"
+vim.opt.termguicolors = true
+vim.opt.mouse = "a"
+vim.opt.clipboard = "unnamedplus"
+vim.opt.updatetime = 250
+vim.opt.timeoutlen = 400
+
+-- 缩进（先给一个通用默认）
+vim.opt.tabstop = 2
+vim.opt.shiftwidth = 2
+vim.opt.expandtab = true
+vim.opt.smartindent = true
+vim.opt.scrolloff = 12
+
+-- 搜索
+vim.opt.ignorecase = true
+vim.opt.smartcase = true
+vim.opt.hlsearch = true
+vim.opt.incsearch = true
+
+-- 基本按键
+vim.keymap.set("n", "<leader>w", "<cmd>w<cr>", { desc = "save" })
+vim.keymap.set("n", "<leader>q", "<cmd>q<cr>", { desc = "quit" })
+vim.keymap.set("n", "<Esc>", "<cmd>nohlsearch<cr>")
+vim.keymap.set("n", "<leader>vs", "<cmd>vsplit<cr>", { desc = "Vertical split" })
+vim.keymap.set("n", "<leader>hs", "<cmd>split<cr>",  { desc = "Horizontal split" })
+vim.keymap.set("n", "<leader>sx", "<cmd>close<cr>",  { desc = "Close split" })
+vim.keymap.set("n", "<leader>so", "<cmd>only<cr>",   { desc = "Only this split" })
+vim.keymap.set("i", "jj", "<Esc>", { noremap = true, silent = true})
+vim.keymap.set("i", "<M-h>", "<Left>",  { noremap = true, silent = true })
+vim.keymap.set("i", "<M-j>", "<Down>",  { noremap = true, silent = true })
+vim.keymap.set("i", "<M-k>", "<Up>",    { noremap = true, silent = true })
+vim.keymap.set("i", "<M-l>", "<Right>", { noremap = true, silent = true })
+vim.keymap.set("n", "<M-j>", ":m .+1<CR>==", { noremap = true, silent = true })
+vim.keymap.set("n", "<M-k>", ":m .-2<CR>==", { noremap = true, silent = true })
+vim.keymap.set("v", "<M-j>", ":m '>+1<CR>gv=gv", { noremap = true, silent = true })
+vim.keymap.set("v", "<M-k>", ":m '<-2<CR>gv=gv", { noremap = true, silent = true })
+-- edit vim config --
+vim.keymap.set("n", "<leader>ev", function()
+  vim.cmd("edit " .. vim.fn.stdpath("config") .. "/init.lua")
+end, { desc = "Edit init.lua" })
+
+-- source vim config --
+vim.keymap.set("n", "<leader>sv", function()
+  vim.cmd("source" .. vim.fn.stdpath("config") .. "/init.lua")
+  vim.notify("init.lua reloaded")
+end, { desc = "Reload init.lua" })
+
+-- 当前lsp
+vim.keymap.set("n", "<leader>lc", function()
+  print(vim.inspect(vim.lsp.get_clients({ bufnr = 0 })))
+end, { desc = "LSP: clients (current buffer)"})
+-- 超有用的排错开关：显示报错来源
+vim.opt.shortmess:remove("F")
+
+vim.diagnostic.config({
+  virtual_text = false,
+  signs = true,
+  underline = true,
+  update_in_insert = false,
+  severity_sort = true,
+  float = { border = "rounded", source = "if_many"},
+})
+
+-- clangd 配置
+local caps = vim.lsp.protocol.make_client_capabilities()
+local ok, cmp_lsp = pcall(require, "cmp_nvim_lsp")
+if ok then
+  caps = cmp_lsp.default_capabilities(caps)
+end
+
+-- clangd
+vim.lsp.config("clangd", {
+  capabilities = caps,
+  cmd = {
+    "clangd",
+    "--background-index",
+    "--clang-tidy",
+    "--completion-style=detailed",
+    "--header-insertion=never",
+    "--suggest-missing-includes=false",
+  },
+  filetypes = { "c", "cpp", "objc", "objcpp", "cuda" },
+  root_markers = { "compile_commands.json", "compile_flags.txt", ".git", "CMakeLists.txt" },
+})
+
+-- Rust
+vim.lsp.config("rust_analyzer", {
+  capabilities = caps,
+  root_markers = { "Cargo.toml", ".git" },
+})
+
+-- Zig
+vim.lsp.config("zls", {
+  capabilities = caps,
+  root_markers = { "build.zig", "build.zig.zon", ".git"},
+})
+
+-- Json
+vim.lsp.config("jsonls", {
+  capabilities = caps,
+  root_markers = { "package.json", ".git"},
+})
+
+-- CMake LSP
+vim.lsp.config("cmake", {
+  capabilities = caps,
+  cmd = { "cmake-language-server" },
+  root_markers = { "CMakeLists.txt", ".git" },
+  filetypes = { "cmake" },
+  init_options = {
+    buildDirectory = "build",
+  },
+})
+
+-- GLSL
+vim.lsp.config("glslls", {
+  cmd = { vim.fn.expand("glslls"), "--stdin", "--target-env", "opengl4.5" },
+  filetypes = {"glsl"},
+  root_markers = { ".git", "." },
+})
+vim.filetype.add({
+  extension = {
+    vert = "glsl",
+    frag = "glsl",
+    comp = "glsl",
+    geom = "glsl",
+    tesc = "glsl",
+    tese = "glsl",
+    glsl = "glsl",
+  },
+})
+
+-- enable lsp --
+vim.lsp.enable({ "clangd", "rust_analyzer", "zls", "jsonls", "glslls", "build"})
+
+-- ===== Auto save on leave =====
+vim.api.nvim_create_autocmd({
+  "BufLeave",
+  "WinLeave",
+  "TabLeave",
+  "InsertLeave",
+},{
+  callback = function()
+    if vim.bo.modified
+      and vim.bo.buftype == ""
+      and vim.fn.expand("%") ~= ""
+    then
+      vim.cmd("silent write")
+    end
+  end,
+})
+
+vim.api.nvim_create_autocmd("LspAttach", {
+  callback = function(args)
+    local buf = args.buf
+    local map = function(mode, lhs, rhs, desc)
+      vim.keymap.set(mode, lhs, rhs, { buffer = buf, desc = desc })
+    end
+    map("n", "gd", vim.lsp.buf.definition, "Go to definition")
+    map("n", "gr", vim.lsp.buf.references, "References")
+    map("n", "K", vim.lsp.buf.hover, "Hover")
+    map("n", "<leaner>rn", vim.lsp.buf.rename, "Rename")
+    map("n", "<leader>ca", vim.lsp.buf.code_action, "Code Action")
+    map("n", "[d", vim.diagnostic.goto_prev, "Prev diagnostic")
+    map("n", "]d", vim.diagnostic.goto_next, "Next diagnostic")
+    map("n", "<leader>e", vim.diagnostic.open_float, "Line diagnostic")
+  end,
+})
+
+-- === lazy.nvim bootstrap ===
+local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
+if not vim.loop.fs_stat(lazypath) 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_bootstrap")
+
+
+-- === plugins ===
+require("lazy").setup({
+  { "tpope/vim-sleuth" },
+  {
+    "nvim-treesitter/nvim-treesitter",
+    build = ":TSUpdate",
+    config = function()
+      vim.api.nvim_create_autocmd("FileType", {
+        callback = function(args)
+          local ft = vim.bo[args.buf].filetype
+          if ft == "lazy" then
+            return
+          end
+
+          local lang = vim.treesitter.language.get_lang(ft)
+          if not lang then
+            return
+          end
+
+          local ok = pcall(vim.treesitter.get_parser, args.buf, lang)
+          if ok then
+            pcall(vim.treesitter.start, args.buf, lang)
+          end
+        end,
+      })
+    end,
+  },
+  {
+    "hrsh7th/nvim-cmp",
+    dependencies = {
+      "hrsh7th/cmp-nvim-lsp",
+      "hrsh7th/cmp-buffer",
+      "hrsh7th/cmp-path",
+      "L3MON4D3/LuaSnip",
+      "saadparwaiz1/cmp_luasnip",
+      "rafamadriz/friendly-snippets",
+    },
+    config = function()
+      local cmp = require("cmp")
+      local luasnip = require("luasnip")
+
+      require("luasnip.loaders.from_vscode").lazy_load()
+
+      cmp.setup({
+        snippet = {
+          expand = function(args) luasnip.lsp_expand(args.body) end,
+        },
+        mapping = cmp.mapping.preset.insert({
+          ["<C-Space>"] = cmp.mapping.complete(),
+          ["<CR>"] = cmp.mapping.confirm({ select = true }),
+          ["<Tab>"] = cmp.mapping(function(fallback)
+            if cmp.visible() then
+              cmp.select_next_item()
+            elseif luasnip.expand_or_jumpable() then
+              luasnip.expand_or_jump()
+            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" }),
+        }),
+        sources = {
+          { name = "nvim_lsp"},
+          { name = "luasnip" },
+          { name = "path" },
+          { name = "buffer" },
+        },
+      })
+    end,
+  },
+  {
+    "stevearc/conform.nvim",
+    opts = {
+      formatters_by_ft = {
+        cpp = { "clang-format" },
+        c = { "clang-format" },
+      },
+    },
+    config = function(_, opts)
+      require("conform").setup(opts)
+      vim.keymap.set({ "n", "v"}, "<leader>f", function()
+         require("conform").format({ lsp_fallback = true })
+      end, { desc = "Format" })
+    end,
+  },
+  {
+    "lewis6991/gitsigns.nvim",
+    config = function()
+      require("gitsigns").setup()
+    end,
+  },
+  {
+    "nvim-telescope/telescope.nvim",
+    dependencies = { "nvim-lua/plenary.nvim" },
+    config = function()
+      local telescope = require("telescope")
+      telescope.setup({
+        defaults = {
+          -- 体验相关
+          prompt_prefix = "   ",
+          selection_caret = "❯ ",
+          sorting_strategy = "ascending",
+          layout_config = {
+            prompt_position = "top",
+          },
+        },
+      })
+
+      local builtin = require("telescope.builtin")
+      -- 常用快捷键
+      vim.keymap.set("n", "<leader>ff", builtin.find_files, { desc = "Find files" })
+      vim.keymap.set("n", "<leader>fg", builtin.live_grep,  { desc = "Live grep" })
+      vim.keymap.set("n", "<leader>fb", builtin.buffers,    { desc = "Buffers" })
+      vim.keymap.set("n", "<leader>fh", builtin.help_tags,  { desc = "Help tags" })
+
+      vim.keymap.set("n", "<leader>fd", builtin.diagnostics,{ desc = "Diagnostics" })
+      vim.keymap.set("n", "<leader>fs", builtin.lsp_document_symbols, { desc = "Symbols (buffer)" })
+      vim.keymap.set("n", "<leader>fS", builtin.lsp_workspace_symbols,{ desc = "Symbols (workspace)" })
+    end,
+  },
+  {
+    "stevearc/oil.nvim",
+    config = function()
+      require("oil").setup()
+      vim.keymap.set("n", "-", "<cmd>Oil<cr>", { desc = "Open parent directory (Oil)" })
+      vim.api.nvim_create_autocmd("FileType", {
+        pattern = "oil",
+        callback = function()
+          vim.keymap.set("n", "q", "<cmd>bd<cr>", { buffer = true })
+        end,
+      })
+    end
+  },
+  {
+    "echasnovski/mini.pairs",
+    version = false,
+    config = function()
+      require("mini.pairs").setup({
+
+      })
+    end,
+  },
+  {
+    "folke/tokyonight.nvim",
+    priority = 1000,
+    config = function()
+      vim.cmd.colorscheme("tokyonight")
+    end,
+  },
+  {
+    "stevearc/dressing.nvim",
+    event = "VeryLazy",
+    config = function()
+      require("dressing").setup({
+        input = {
+          border = "rounded",
+        },
+        select = {
+          backend = { "builtin" },
+        },
+      })
+    end,
+  },
+})
+
diff --git a/lazy-lock.json b/lazy-lock.json
new file mode 100644
index 0000000..7416814
--- /dev/null
+++ b/lazy-lock.json
@@ -0,0 +1,20 @@
+{
+  "LuaSnip": { "branch": "master", "commit": "3732756842a2f7e0e76a7b0487e9692072857277" },
+  "cmp-buffer": { "branch": "main", "commit": "b74fab3656eea9de20a9b8116afa3cfc4ec09657" },
+  "cmp-nvim-lsp": { "branch": "main", "commit": "cbc7b02bb99fae35cb42f514762b89b5126651ef" },
+  "cmp-path": { "branch": "main", "commit": "c642487086dbd9a93160e1679a1327be111cbc25" },
+  "cmp_luasnip": { "branch": "master", "commit": "98d9cb5c2c38532bd9bdb481067b20fea8f32e90" },
+  "conform.nvim": { "branch": "master", "commit": "df83eeaab265dacd2eef139a78e502a3f8926618" },
+  "dressing.nvim": { "branch": "master", "commit": "2d7c2db2507fa3c4956142ee607431ddb2828639" },
+  "friendly-snippets": { "branch": "main", "commit": "572f5660cf05f8cd8834e096d7b4c921ba18e175" },
+  "gitsigns.nvim": { "branch": "main", "commit": "130beacf8a51f00aede9c31064c749136679a321" },
+  "lazy.nvim": { "branch": "main", "commit": "306a05526ada86a7b30af95c5cc81ffba93fef97" },
+  "mini.pairs": { "branch": "main", "commit": "d5a29b6254dad07757832db505ea5aeab9aad43a" },
+  "nvim-cmp": { "branch": "main", "commit": "d97d85e01339f01b842e6ec1502f639b080cb0fc" },
+  "nvim-treesitter": { "branch": "main", "commit": "7efc1b58a8061d29786860006c7257c90a5196dc" },
+  "oil.nvim": { "branch": "master", "commit": "963c8d2c5538c4a896a31f396b8a5a2683e254dc" },
+  "plenary.nvim": { "branch": "master", "commit": "b9fd5226c2f76c951fc8ed5923d85e4de065e509" },
+  "telescope.nvim": { "branch": "master", "commit": "3f8109cd21abe9fdb274a09da1e3c176673254b4" },
+  "tokyonight.nvim": { "branch": "main", "commit": "5da1b76e64daf4c5d410f06bcb6b9cb640da7dfd" },
+  "vim-sleuth": { "branch": "master", "commit": "be69bff86754b1aa5adcbb527d7fcd1635a84080" }
+}
diff --git a/lua/lazy_bootstrap.lua b/lua/lazy_bootstrap.lua
new file mode 100644
index 0000000..db59f87
--- /dev/null
+++ b/lua/lazy_bootstrap.lua
@@ -0,0 +1,10 @@
+local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
+if not vim.loop.fs_stat(lazypath) 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)