enhance article processing by adding language support and adjusting embedding parameters

src/content.js

@@ -65,8 +65,8 @@ const markContentPending = db.prepare(`
 const selectPartitionedArticlesMissingContent = db.prepare(`
   SELECT id, url, title, description
   FROM (
-    SELECT id, url, title, description, source,
-      ROW_NUMBER() OVER (PARTITION BY source ORDER BY ingested_at DESC, id DESC) AS rn
+    SELECT id, url, title, description, source, pub_date_effective,
+      ROW_NUMBER() OVER (PARTITION BY source ORDER BY pub_date_effective DESC, id DESC) AS rn
     FROM articles
     WHERE (content IS NULL OR TRIM(content) = '')
       AND (content_status IS NULL OR content_status = 'pending')
@@ -74,7 +74,7 @@ const selectPartitionedArticlesMissingContent = db.prepare(`
       AND (id % ?) = ?
   )
   WHERE rn <= ?
-  ORDER BY rn, source
+  ORDER BY pub_date_effective DESC, rn, source
 `);
 
 const selectAttemptCount = db.prepare(`