chore(tools): add script to update changelog with latest changes

tools/README.md

@@ -30,10 +30,11 @@ If you pass the `--test` (`-t`) flag, this tool will also test `generator` and
 
 This folder also includes a few other small utilities of limited usefulness.
 
-- `struct_sizes\struct_sizes.cpp`. Measures the size of structs in
+- `struct_sizes\struct_sizes.cpp`: Measures the size of structs in
   [packages\win32\lib\src\structs.g.dart] on 64-bit architectures so the
   appropriate unit tests can be generated.
-- `build.dart`. Generates EXE files for some of the Dart examples.
+- `build.dart`: Generates EXE files for some of the Dart examples.
+- `update_changelog.dart`: Updates the CHANGELOG.md with the latest changes.
 
 [com_types.json]: ../packages/generator/data/com_types.json
 [packages\generator\data]: ../packages/generator/data

tools/update_changelog.dart

@@ -0,0 +1,35 @@
+import 'dart:convert';
+import 'dart:io';
+
+void main(List<String> args) {
+  if (args.isEmpty) {
+    print('🚨 Usage: dart update_changelog.dart <tag>');
+    exit(1);
+  }
+
+  final tag = args[0];
+  if (!tag.startsWith('v')) {
+    print('❌ Tag must be in the format "vX.Y.Z".');
+    exit(1);
+  }
+
+  print('🚧 Starting changelog update for tag $tag...');
+  final result = Process.runSync(
+    'dart',
+    [
+      'run',
+      'hooks:update_changelog',
+      '--tag',
+      tag,
+      '--include-path',
+      'packages/win32/**/*',
+      '--repository',
+      '../../'
+    ],
+    stdoutEncoding: utf8,
+    stderrEncoding: utf8,
+    workingDirectory: Platform.script.resolve('../packages/win32').toFilePath(),
+  );
+  stdout.write(result.stdout);
+  stderr.write(result.stderr);
+}