Reapply "Add missing admin action files and navigation links"

This reverts commit 4d515bc400.

src/actions/admin-radio-moderation.ts

@@ -1,13 +1,13 @@
-'use server';
+"use server";
 
-import { revalidatePath } from 'next/cache';
-import { requireStaff } from '@/lib/admin/guard';
-import { logStaffActivity } from '@/lib/services/staff-activity';
-import { prisma } from '@/lib/prisma';
+import { revalidatePath } from "next/cache";
+import { requireStaff } from "@/lib/admin/guard";
+import { logStaffActivity } from "@/lib/services/staff-activity";
+import { prisma } from "@/lib/prisma";
 
 /** Parse a FormData field into a positive BigInt id, or null when invalid. */
 function parseId(raw: FormDataEntryValue | null): bigint | null {
-  if (typeof raw !== 'string' || raw.trim() === '') return null;
+  if (typeof raw !== "string" || raw.trim() === "") return null;
   try {
     const id = BigInt(raw.trim());
     return id > 0n ? id : null;
@@ -23,21 +23,21 @@ function parseId(raw: FormDataEntryValue | null): bigint | null {
  */
 export async function deleteShout(formData: FormData): Promise<void> {
   const staff = await requireStaff();
-  const id = parseId(formData.get('id'));
+  const id = parseId(formData.get("id"));
   if (id === null) return;
 
   try {
     await prisma.radioShouts.delete({ where: { id } });
     await logStaffActivity({
       staffId: staff.id,
-      action: 'radio.shout.delete',
+      action: "radio.shout.delete",
       description: `Deleted radio shout #${id}`,
-      targetType: 'radio_shout',
+      targetType: "radio_shout",
       targetId: Number(id),
     });
   } catch {
     // Row may already be gone; ignore so the action does not throw.
   }
 
-  revalidatePath('/admin/radio/moderation');
+  revalidatePath("/admin/radio/moderation");
 }