Reapply "Add missing admin action files and navigation links"

This reverts commit 4d515bc400.

src/lib/services/moderation.ts

@@ -39,9 +39,7 @@ async function loadWordFilter(): Promise<string[]> {
       const rows = await prisma.websiteWordfilter.findMany({
         select: { word: true },
       });
-      wordFilterCache = rows
-        .map((r) => r.word.trim().toLowerCase())
-        .filter((w) => w.length > 0);
+      wordFilterCache = rows.map((r) => r.word.trim().toLowerCase()).filter((w) => w.length > 0);
       wordFilterLoadedAt = now;
     } catch {
       // DB unavailable — return an empty filter WITHOUT caching, so the next