build: enforce changelog workflow in CI

src/release-workflow.test.ts

@@ -9,3 +9,12 @@ const releaseWorkflow = readFileSync(releaseWorkflowPath, 'utf8');
 test('publish release leaves prerelease unset so gh creates a normal release', () => {
   assert.ok(!releaseWorkflow.includes('--prerelease'));
 });
+
+test('release workflow verifies a committed changelog section before publish', () => {
+  assert.match(releaseWorkflow, /bun run changelog:check/);
+});
+
+test('release workflow generates release notes from committed changelog output', () => {
+  assert.match(releaseWorkflow, /bun run changelog:release-notes/);
+  assert.ok(!releaseWorkflow.includes('git log --pretty=format:"- %s"'));
+});