fix(docker-cleanup): skip broadcast for executions of deleted servers

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

app/Events/DockerCleanupDone.php

@@ -13,13 +13,25 @@ class DockerCleanupDone implements ShouldBroadcast
 {
     use Dispatchable, InteractsWithSockets, SerializesModels;
 
-    public function __construct(public DockerCleanupExecution $execution) {}
+    public ?int $teamId;
 
+    public function __construct(public DockerCleanupExecution $execution)
+    {
+        $this->teamId = $execution->server?->team_id;
+    }
+
+    /**
+     * A deleted server has no team to tell, so nothing is broadcast.
+     *
+     * @return array<int, PrivateChannel>
+     */
     public function broadcastOn(): array
     {
-        return [
-            new PrivateChannel('team.'.$this->execution->server->team->id),
-        ];
+        if (is_null($this->teamId)) {
+            return [];
+        }
+
+        return [new PrivateChannel("team.{$this->teamId}")];
     }
 
     /**

tests/Feature/DockerCleanupJobTest.php

@@ -867,3 +867,19 @@ it('keeps the images of an application while it deploys, because its new images
         ->and($removals->first())->toContain("'{$idle->uuid}:old'")
         ->not->toContain($deploying->uuid);
 })->with(['queued', 'in_progress']);
+
+it('fails an interrupted cleanup of a deleted server without breaking its broadcast', function () {
+    Carbon::setTestNow(Carbon::create(2026, 10, 28, 12, 0, 0, 'UTC'));
+    Queue::fake();
+    Notification::fake();
+    $server = dockerCleanupReachableServer();
+    $interrupted = DockerCleanupExecution::create(['server_id' => $server->id]);
+    $server->delete();
+    Carbon::setTestNow(now()->addSeconds(CleanupDocker::overlapLockExpiresAfter() + 1));
+
+    DockerCleanupJob::failInterruptedExecutions();
+
+    expect($interrupted->fresh()->status)->toBe('failed');
+    Queue::assertPushed(BroadcastEvent::class, fn (BroadcastEvent $job) => $job->event instanceof DockerCleanupDone
+        && $job->event->broadcastOn() === []);
+});