tree-sitter-grammars.tree-sitter-norg: mark wasi broken

norg ships a C++ external scanner, which the WASM grammar build does not
support (only C scanners are linked). Mark it broken on WASI so the
wasi32 cross set skips it cleanly at eval instead of failing mid-build.

pkgs/by-name/tr/tree-sitter/grammars/default.nix

@@ -6,13 +6,14 @@
   fetchpatch,
   fetchFromCodeberg,
   nix-update-script,
+  stdenv,
 }:
 
 let
   /**
     Set of grammar sources. See ./grammar-sources.nix to define a new grammar.
   */
-  grammar-sources = import ./grammar-sources.nix { inherit lib fetchpatch; };
+  grammar-sources = import ./grammar-sources.nix { inherit lib fetchpatch stdenv; };
 
   /**
     Parse a flakeref style string to { type, owner, repo, ref }

pkgs/by-name/tr/tree-sitter/grammars/grammar-sources.nix

@@ -1,4 +1,8 @@
-{ fetchpatch, lib }:
+{
+  fetchpatch,
+  lib,
+  stdenv,
+}:
 
 {
 
@@ -1758,6 +1762,8 @@
     url = "github:nvim-neorg/tree-sitter-norg";
     hash = "sha256-z3h5qMuNKnpQgV62xZ02F5vWEq4VEnm5lxwEnIFu+Rw=";
     meta = {
+      # Uses a C++ external scanner, unsupported by the WASM grammar build.
+      broken = stdenv.hostPlatform.isWasi;
       license = lib.licenses.mit;
     };
   };

pkgs/by-name/tr/tree-sitter/package.nix

@@ -61,6 +61,7 @@ let
       fetchFromSourcehut
       fetchFromCodeberg
       fetchpatch
+      stdenv
       ;
   };