nvim/lua/plugins/blink.lua

return {
    {
        "saghen/blink.cmp",
        opts = {
            keymap = {
                preset = "enter",
                ["<CR>"] = { "fallback" },
                ["<Tab>"] = {
                    function(cmp)
                        if cmp.snippet_active() then
                            return cmp.accept()
                        else
                            return cmp.select_and_accept()
                        end
                    end,
                    "snippet_forward",
                    "fallback",
                },
                ["<S-Tab>"] = { "snippet_backward", "fallback" },
            },
        },
    },
}