|string> */ public function rules(): array { return [ 'santri_id' => 'required|exists:santris,id', 'kelas_id' => 'required|exists:kelas,id', 'tanggal' => 'required|date', 'status' => 'required|in:hadir,izin,sakit,alfa', 'keterangan' => 'nullable|string', ]; } }