Invalidate notification cache when deleting a status

app/Jobs/StatusPipeline/RemoteStatusDelete.php

@@ -172,9 +172,17 @@ class RemoteStatusDelete implements ShouldBeUniqueUntilProcessing, ShouldQueue
             MediaTag::whereIn('id', $mediaTagIds)->delete();
         }
         Mention::whereStatusId($status->id)->forceDelete();
-        Notification::whereItemType(Status::class)
-            ->whereItemId($status->id)
-            ->forceDelete();
+        // Per-row (not bulk) so NotificationObserver::forceDeleted fires and
+        // NotificationService::del invalidates the 24h cached ITEM_KEY snapshot;
+        // a bulk forceDelete() would leave the web feed serving the deleted
+        // status as a ghost. Match the legacy 'App\Status' morph alias too.
+        Notification::whereIn('item_type', ['App\Status', Status::class])
+            ->where('item_id', $status->id)
+            ->cursor()
+            ->each(function ($not) {
+                NotificationService::del($not->profile_id, $not->id);
+                $not->forceDeleteQuietly();
+            });
         Report::whereObjectType(Status::class)
             ->whereObjectId($status->id)
             ->delete();

app/Jobs/StatusPipeline/StatusDelete.php

@@ -158,9 +158,17 @@ class StatusDelete implements ShouldQueue
         }
         Mention::whereStatusId($status->id)->forceDelete();
 
-        Notification::whereItemType(Status::class)
-            ->whereItemId($status->id)
-            ->forceDelete();
+        // Per-row (not bulk) so NotificationObserver::forceDeleted fires and
+        // NotificationService::del invalidates the 24h cached ITEM_KEY snapshot;
+        // a bulk forceDelete() would leave the web feed serving the deleted
+        // status as a ghost. Match the legacy 'App\Status' morph alias too.
+        Notification::whereIn('item_type', ['App\Status', Status::class])
+            ->where('item_id', $status->id)
+            ->cursor()
+            ->each(function ($not) {
+                NotificationService::del($not->profile_id, $not->id);
+                $not->forceDeleteQuietly();
+            });
 
         Report::whereObjectType(Status::class)
             ->whereObjectId($status->id)

tests/Feature/StatusPipeline/StatusDeleteNotificationCacheTest.php

@@ -0,0 +1,84 @@
+<?php
+
+use App\Jobs\StatusPipeline\StatusDelete;
+use App\Models\Notification;
+use App\Models\Status;
+use App\Models\User;
+use App\Services\NotificationService;
+use Illuminate\Foundation\Testing\LazilyRefreshDatabase;
+use Illuminate\Support\Facades\Cache;
+
+uses(LazilyRefreshDatabase::class);
+
+/*
+|--------------------------------------------------------------------------
+| StatusDelete invalidates cached status notifications
+|--------------------------------------------------------------------------
+|
+| Notifications cache a fully-transformed snapshot (with an embedded status
+| payload) under ITEM_KEY for 24h, and the web feed serves that verbatim. When
+| a status is deleted, its status-typed notifications must be removed per-row so
+| NotificationObserver::forceDeleted -> NotificationService::del invalidates the
+| cached snapshot. A bulk forceDelete() fires no model events and would leave
+| the web feed serving the deleted status as a ghost for up to 24h.
+|
+*/
+
+/**
+ * Persist a status-typed like notification and warm its ITEM_KEY snapshot, the
+ * way createNotification/setNotification does on the live path.
+ */
+function warmStatusNotification(int $profileId, int $actorId, int $statusId, string $itemType): Notification
+{
+    $n = new Notification;
+    $n->profile_id = $profileId;
+    $n->actor_id = $actorId;
+    $n->action = 'like';
+    $n->item_id = $statusId;
+    $n->item_type = $itemType;
+    $n->save();
+
+    NotificationService::setNotification($n); // writes ITEM_KEY
+    NotificationService::set($n->profile_id, $n->id);
+
+    return $n;
+}
+
+it('invalidates the cached notification snapshot when its status is deleted', function () {
+    $user = User::factory()->create();
+    $user->refresh();
+    $actor = User::factory()->create();
+    $actor->refresh();
+
+    $status = Status::factory()->create(['profile_id' => $user->profile_id, 'scope' => 'public']);
+    $n = warmStatusNotification($user->profile_id, $actor->profile_id, $status->id, Status::class);
+
+    // Snapshot is warm before deletion.
+    expect(Cache::get(NotificationService::ITEM_KEY.$n->id))->not->toBeNull();
+
+    (new StatusDelete($status))->unlinkRemoveMedia($status);
+
+    // Row is force-deleted and the cached snapshot was invalidated by the
+    // observer (no manual NotificationService::del in the test).
+    expect(Notification::withTrashed()->whereId($n->id)->exists())->toBeFalse();
+    expect(Cache::get(NotificationService::ITEM_KEY.$n->id))->toBeNull();
+});
+
+it('invalidates and removes legacy App\\Status notifications too', function () {
+    $user = User::factory()->create();
+    $user->refresh();
+    $actor = User::factory()->create();
+    $actor->refresh();
+
+    $status = Status::factory()->create(['profile_id' => $user->profile_id, 'scope' => 'public']);
+    // Legacy morph alias predating the App\ -> App\Models\ migration.
+    $n = warmStatusNotification($user->profile_id, $actor->profile_id, $status->id, 'App\Status');
+
+    expect(Cache::get(NotificationService::ITEM_KEY.$n->id))->not->toBeNull();
+
+    (new StatusDelete($status))->unlinkRemoveMedia($status);
+
+    // The alias-aware cleanup matches legacy rows: no DB orphan, cache cleared.
+    expect(Notification::withTrashed()->whereId($n->id)->exists())->toBeFalse();
+    expect(Cache::get(NotificationService::ITEM_KEY.$n->id))->toBeNull();
+});