-- Per-session socket; symlink /tmp/nvim.sock → latest instance for MCP
local sock = "/tmp/nvim-" .. vim.fn.getpid() .. ".sock"
vim.fn.serverstart(sock)
vim.fn.system("ln -sf " .. sock .. " /tmp/nvim.sock")
vim.api.nvim_create_autocmd("VimLeave", {
  callback = function()
    vim.fn.system("rm -f " .. vim.fn.shellescape(sock))
    vim.fn.system("[ \"$(readlink /tmp/nvim.sock)\" = " .. vim.fn.shellescape(sock) .. " ] && rm -f /tmp/nvim.sock || true")
  end,
})

vim.o.updatetime = 250

vim.cmd [[autocmd CursorHold,CursorHoldI * lua vim.diagnostic.open_float(nil, {focus=false})]]


if not os.getenv("NVIM_LSP_OMIT_DIR") then
  vim.api.nvim_create_autocmd("LspAttach", {
    group = vim.api.nvim_create_augroup("lsp", { clear = true }),
    callback = function(args)
      -- autoformat, if not disabled
      if not os.getenv("NVIM_LSP_NO_AUTOFMT") then
        vim.api.nvim_create_autocmd("BufWritePre", {
          buffer = args.buf,
          callback = function()
            vim.lsp.buf.format {}
          end,
        })
      end
    end
  })
end