add vscode tf snippets, fix tf tree-sitter

modules/common/neovim/config/completion.nix

@@ -135,6 +135,13 @@
   };
 
   lua = ''
+    -- Load snippets
+    -- Check status: :lua require("luasnip").log.open()
+    require("luasnip.loaders.from_vscode").lazy_load()
+    require("luasnip.loaders.from_vscode").lazy_load({ paths = { "${
+      builtins.toString pkgs.vscode-terraform-snippets
+    }" } })
+
     -- Use buffer source for `/`
     require('cmp').setup.cmdline("/", {
         sources = {

modules/common/neovim/config/syntax.nix

@@ -1,4 +1,4 @@
-{ pkgs, ... }: {
+{ pkgs, lib, ... }: {
 
   plugins = [
     (pkgs.vimPlugins.nvim-treesitter.withPlugins (_plugins:
@@ -49,4 +49,10 @@
     };
   };
 
+  # Use mkAfter to ensure tree-sitter is already loaded
+  lua = lib.mkAfter ''
+    -- Use HCL parser with .tf files
+    vim.treesitter.language.register('hcl', 'terraform')
+  '';
+
 }