nixvim: replace telescope with snacks.nvim picker

Co-Authored-By: Claude Sonnet 4.6 <[email protected]>

modules/home/nixvim/plugins/editor/default.nix

@@ -1,6 +1,6 @@
 {...}: {
   imports = [
-    ./telescope.nix
+    ./snacks.nix
     ./treesitter.nix
     ./blink-cmp.nix
     ./gitsigns.nix

modules/home/nixvim/plugins/editor/snacks.nix

@@ -0,0 +1,8 @@
+{ pkgs, ... }: {
+  programs.nixvim = {
+    extraPlugins = [ pkgs.vimPlugins.snacks-nvim ];
+    extraConfigLua = ''
+      require("snacks").setup({ picker = { enabled = true } })
+    '';
+  };
+}

modules/home/nixvim/plugins/editor/telescope.nix

@@ -1,6 +0,0 @@
-{...}: {
-  programs.nixvim.plugins.telescope = {
-    enable = true;
-    extensions.fzf-native.enable = true;
-  };
-}