chore: fix related books + deduplication

- fixed total plays formatting
- formatted queries
- improved proxy server

queries/views/content/links.psql

@@ -7,30 +7,20 @@ SELECT
     l.link,
     a.mastodon,
     a.name,
-    json_build_object(
-        'name', a.name,
-        'url', a.url,
-        'mastodon', a.mastodon
-    ) AS author,
+    json_build_object('name', a.name, 'url', a.url, 'mastodon', a.mastodon) AS author,
     'link' AS type,
-
-    (
-        SELECT array_agg(t.name)
-        FROM links_tags lt
+(
+        SELECT
+            array_agg(t.name)
+        FROM
+            links_tags lt
         LEFT JOIN tags t ON lt.tags_id = t.id
-        WHERE lt.links_id = l.id
-    ) AS tags,
-
-    json_build_object(
-        'title', CONCAT(l.title, ' via ', a.name),
-        'url', l.link,
-        'description', l.description,
-        'date', l.date
-    ) AS feed
-
+    WHERE
+        lt.links_id = l.id) AS tags,
+json_build_object('title', CONCAT(l.title, ' via ', a.name), 'url', l.link, 'description', l.description, 'date', l.date) AS feed
 FROM
     links l
-JOIN
-    authors a ON l.author = a.id
+    JOIN authors a ON l.author = a.id
 ORDER BY
-    l.date DESC;
+    l.date DESC;
+