Let Neovim's current line show the terminal background (#963)

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>

pkgbuilds/omarchy-nvim/plugin/after/transparency.lua

@@ -54,6 +54,14 @@ local groups = {
 	"NotifyDEBUGBorder",
 }
 
+-- The current line goes see-through too, leaving its number to mark it. The
+-- file tree marks its selection with that line alone, so it keeps the colour.
+local cursorline = vim.api.nvim_get_hl(0, { name = "CursorLine", link = false })
+if cursorline.bg then
+	vim.api.nvim_set_hl(0, "NeoTreeCursorLine", { bg = cursorline.bg })
+end
+table.insert(groups, "CursorLine")
+
 for _, name in ipairs(groups) do
 	make_transparent(name)
 end