Adds unreviewed notification bubble in Admin hunts list

src/routes/admin/AdminHome.svelte

@@ -2,7 +2,7 @@
     import {push} from 'svelte-spa-router'
     import {auth} from '../../lib/stores/auth.svelte'
     import {huntStatus, formatDate} from '../../lib/utils'
-    import {apiGetAllHunts} from '../../lib/api/index'
+    import {apiGetAllHunts, apiGetUnreviewedPhotos} from '../../lib/api/index'
     import type {HuntResponse} from '../../lib/api/types'
     import StatusBadge from '../../lib/components/StatusBadge.svelte'
     import LoadingSpinner from '../../lib/components/LoadingSpinner.svelte'
@@ -15,10 +15,21 @@
   let hunts = $state<HuntResponse[]>([])
   let loading = $state(true)
   let error = $state('')
+  let unreviewedCounts = $state<Record<string, number>>({})
 
   $effect(() => {
     apiGetAllHunts()
-      .then(h => { hunts = h })
+      .then(async h => {
+        hunts = h
+        const counts = await Promise.all(
+          h.map(hunt =>
+            apiGetUnreviewedPhotos(hunt.id)
+              .then(photos => [hunt.id, photos.length] as const)
+              .catch(() => [hunt.id, 0] as const)
+          )
+        )
+        unreviewedCounts = Object.fromEntries(counts)
+      })
       .catch(e => { error = e instanceof Error ? e.message : 'Failed to load' })
       .finally(() => { loading = false })
   })
@@ -58,6 +69,9 @@
             <div class="card-actions justify-end gap-2 mt-1">
               <button class="btn btn-outline btn-xs" onclick={() => push(`/admin/hunt/${hunt.id}/review`)}>
                 Review Photos
+                {#if (unreviewedCounts[hunt.id] ?? 0) > 0}
+                  <span class="badge badge-error badge-sm">{unreviewedCounts[hunt.id]}</span>
+                {/if}
               </button>
               <button class="btn btn-primary btn-xs" onclick={() => push(`/admin/hunt/${hunt.id}`)}>
                 Manage