|string> */ public function rules(): array { return [ 'scope' => ['required', Rule::in(['tenant', 'event'])], 'event_id' => ['required_if:scope,event', 'integer', 'exists:events,id'], 'include_media' => ['nullable', 'boolean'], ]; } public function messages(): array { return [ 'scope.required' => 'Export scope is required.', 'scope.in' => 'Export scope must be tenant or event.', 'event_id.required_if' => 'Event export requires an event.', 'event_id.exists' => 'Selected event could not be found.', ]; } }