Use dedicated assignee notification payload

app/Actions/Notifications/TicketStatusChangedPayload.php

@@ -17,16 +17,11 @@ final readonly class TicketStatusChangedPayload implements NotificationEventPayl
         public string $ticketUrl,
         public ?int $actorId,
         public ?string $actorName,
-        public ?int $fromStatusId,
-        public ?string $fromStatusLabel,
+        public int $fromStatusId,
+        public string $fromStatusLabel,
         public int $toStatusId,
         public string $toStatusLabel,
         public CarbonImmutable $occurredAt,
-        public ?int $fromAssigneeId = null,
-        public ?string $fromAssigneeName = null,
-        public ?int $toAssigneeId = null,
-        public ?string $toAssigneeName = null,
-        public NotificationEventType $eventType = NotificationEventType::TicketStatusChanged,
     ) {}
 
     public function projectId(): int
@@ -55,11 +50,9 @@ final readonly class TicketStatusChangedPayload implements NotificationEventPayl
             '$ticket_key' => $this->ticketKey,
             '$ticket_title' => $this->ticketTitle,
             '$project_name' => $this->projectName,
-            '$status_from' => $this->fromStatusLabel ?? '',
+            '$status_from' => $this->fromStatusLabel,
             '$status_to' => $this->toStatusLabel,
             '$actor_name' => $this->actorName ?? '',
-            '$assignee_from' => $this->fromAssigneeName ?? '',
-            '$assignee_to' => $this->toAssigneeName ?? '',
         ];
     }
 
@@ -69,11 +62,7 @@ final readonly class TicketStatusChangedPayload implements NotificationEventPayl
      *     project: array{id: int, key: string, name: string},
      *     ticket: array{id: int, key: string, title: string},
      *     actor: array{id: int, name: string}|null,
-     *     assignee: array{
-     *         from: array{id: int, name: string}|null,
-     *         to: array{id: int, name: string}|null
-     *     },
-     *     from: array{id: int, label: string}|null,
+     *     from: array{id: int, label: string},
      *     to: array{id: int, label: string},
      *     ticket_url: string,
      *     occurred_at: string
@@ -82,7 +71,7 @@ final readonly class TicketStatusChangedPayload implements NotificationEventPayl
     public function toArray(): array
     {
         return [
-            'event_type' => $this->eventType->value,
+            'event_type' => NotificationEventType::TicketStatusChanged->value,
             'project' => [
                 'id' => $this->projectId,
                 'key' => $this->projectKey,
@@ -99,26 +88,10 @@ final readonly class TicketStatusChangedPayload implements NotificationEventPayl
                     'id' => $this->actorId,
                     'name' => $this->actorName,
                 ],
-            'assignee' => [
-                'from' => $this->fromAssigneeId === null || $this->fromAssigneeName === null
-                    ? null
-                    : [
-                        'id' => $this->fromAssigneeId,
-                        'name' => $this->fromAssigneeName,
-                    ],
-                'to' => $this->toAssigneeId === null || $this->toAssigneeName === null
-                    ? null
-                    : [
-                        'id' => $this->toAssigneeId,
-                        'name' => $this->toAssigneeName,
-                    ],
+            'from' => [
+                'id' => $this->fromStatusId,
+                'label' => $this->fromStatusLabel,
             ],
-            'from' => $this->fromStatusId === null || $this->fromStatusLabel === null
-                ? null
-                : [
-                    'id' => $this->fromStatusId,
-                    'label' => $this->fromStatusLabel,
-                ],
             'to' => [
                 'id' => $this->toStatusId,
                 'label' => $this->toStatusLabel,