fix: dont show PostManagementCommits

changelog.njk

@@ -108,6 +108,12 @@ const GITEA_URL = '{{ site.gitea.url }}';
 const GITEA_ORG = '{{ site.gitea.org }}';
 const GITEA_REPOS = {{ site.gitea.repos | dump | safe }};
 
+const POST_MANAGEMENT_RE = /^(create|update|delete)\s+\w+\s+post$/i;
+
+function isPostManagementCommit(msg) {
+  return POST_MANAGEMENT_RE.test((msg || '').trim());
+}
+
 function categorizeCommit(message) {
   const lower = (message || '').toLowerCase();
   if (/^feat(\(.+\))?!?:/.test(lower)) return 'features';
@@ -177,6 +183,7 @@ function changelogApp() {
           for (const c of commits) {
             const lines = (c.commit?.message || '').split('\n');
             const title = lines[0];
+            if (isPostManagementCommit(title)) continue;
             const body = lines.slice(1).join('\n').trim();
             newCommits.push({
               sha: c.sha.slice(0, 7),