Add post synchronization functionality for Markdown files

- Implemented a parser for YAML front-matter in Markdown files.
- Developed functions to convert Markdown content to HTML.
- Created a pipeline to sync WordPress posts from a specified folder in a Git repository.
- Added media import capabilities to handle images referenced in Markdown.
- Implemented author resolution and post slug generation.
- Included error handling and logging for sync operations.
- Enabled trashing of posts that are no longer present in the repository.

includes/sync-engine.php

@@ -105,13 +105,16 @@ function oribi_sync_execute_php( string $php_source, string $slug ) {
  */
 function oribi_sync_run( bool $dry_run = false ): array {
     $result = [
-        'ok'           => true,
-        'created'      => [],
-        'updated'      => [],
-        'trashed'      => [],
-        'skipped'      => [],
-        'errors'       => [],
+        'ok'            => true,
+        'created'       => [],
+        'updated'       => [],
+        'trashed'       => [],
+        'skipped'       => [],
+        'errors'        => [],
         'theme_updated' => [],
+        'posts_created' => [],
+        'posts_updated' => [],
+        'posts_trashed' => [],
     ];
 
     // ── Gather settings ────────────────────────────────────────────────────
@@ -296,6 +299,18 @@ function oribi_sync_run( bool $dry_run = false ): array {
         $result['errors'][] = '[theme] ' . $err;
     }
 
+    // ── Sync posts from repo posts folder ─────────────────────────────────
+    $posts_sync = oribi_sync_run_posts( $api_base, $branch, $provider, $pat, $tree, $dry_run );
+    $result['posts_created'] = $posts_sync['created'];
+    $result['posts_updated'] = $posts_sync['updated'];
+    $result['posts_trashed'] = $posts_sync['trashed'];
+    foreach ( $posts_sync['skipped'] as $sk ) {
+        $result['skipped'][] = '[post] ' . $sk;
+    }
+    foreach ( $posts_sync['errors'] as $err ) {
+        $result['errors'][] = '[post] ' . $err;
+    }
+
     // ── Record run ─────────────────────────────────────────────────────────
     if ( ! $dry_run ) {
         oribi_sync_record_run( $result );
@@ -387,6 +402,9 @@ function oribi_sync_record_run( array $result ): void {
         'skipped'       => $result['skipped'],
         'errors'        => $result['errors'],
         'theme_updated' => $result['theme_updated'] ?? [],
+        'posts_created' => $result['posts_created'] ?? [],
+        'posts_updated' => $result['posts_updated'] ?? [],
+        'posts_trashed' => $result['posts_trashed'] ?? [],
     ] );
 
     // Keep last 20 entries