diff --git a/init.lua b/init.lua
index d9ec42c8..c72bf2e5 100644
--- a/init.lua
+++ b/init.lua
@@ -869,7 +869,9 @@ require('lazy').setup({
   -- Or use telescope!
   -- In normal mode type `<space>sh` then write `lazy.nvim-plugin`
   -- you can continue same window with `<space>sr` which resumes last telescope search
-}, {
+},
+{
+lockfile = vim.fn.stdpath("data") .. "/lazy-lock.json",
   ui = {
     -- If you are using a Nerd Font: set icons to an empty table which will use the
     -- default lazy.nvim defined Nerd Font icons, otherwise define a unicode icons table
diff --git a/lua/custom/plugins/data-preview.lua b/lua/custom/plugins/data-preview.lua
new file mode 100644
index 00000000..506a6467
--- /dev/null
+++ b/lua/custom/plugins/data-preview.lua
@@ -0,0 +1,15 @@
+return {
+  'vinvolve/data-preview.nvim',
+  cmd = { 'DataPreview', 'DataPreviewStats' },
+  config = function()
+    local data_preview = require 'data-preview'
+    vim.api.nvim_create_user_command('DataPreview', data_preview.preview, {
+      nargs = 0,
+      desc = 'Preview data file (Parquet, Avro)',
+    })
+    vim.api.nvim_create_user_command('DataPreviewStats', data_preview.preview_stats, {
+      nargs = 0,
+      desc = 'Preview data file statistics (min, max, nulls, etc.)',
+    })
+  end,
+}