diff --git a/app/Helpers/StringHelpers.php b/app/Helpers/StringHelpers.php
index c18bf6b..e0803fe 100644
--- a/app/Helpers/StringHelpers.php
+++ b/app/Helpers/StringHelpers.php
@@ -17,7 +17,7 @@ function currency(string|int|float|null $value = null, ?string $currency = null,
             return '';
         }
 
-        return $currency . Number::format($value, locale: $locale);
+        return $currency.Number::format($value, locale: $locale);
     }
 }
 
@@ -76,7 +76,7 @@ function generateReferralCode(string $username, int $unique): string
         $prefix = Str::substr($username, 0, 6);
         $year = date('y');
 
-        return Str::upper($prefix) . $year . $unique;
+        return Str::upper($prefix).$year.$unique;
     }
 }
 
@@ -111,62 +111,80 @@ function formatPhoneNumber(string $number, string $prefix = '+62', bool $useDash
     {
         $clean = preg_replace('/\D+/', '', $number);
         $clean = preg_replace('/^(0|62)/', '', $clean);
-        $formatted = $prefix . $clean;
+        $formatted = $prefix.$clean;
 
         if ($useDash) {
-            $formatted = preg_replace('/(\d{3})(\d{3,4})(\d{3,4})(\d+)?/', $prefix . '-$1-$2-$3$4', $formatted);
+            $formatted = preg_replace('/(\d{3})(\d{3,4})(\d{3,4})(\d+)?/', $prefix.'-$1-$2-$3$4', $formatted);
         }
 
         return $formatted;
     }
 }
 
-if (!function_exists('terbilang')) {
+if (! function_exists('terbilang')) {
     function terbilang($angka)
     {
         $angka = (int) abs($angka);
-        $huruf = ["", "satu", "dua", "tiga", "empat", "lima", "enam", "tujuh", "delapan", "sembilan", "sepuluh", "sebelas"];
+        $huruf = ['', 'satu', 'dua', 'tiga', 'empat', 'lima', 'enam', 'tujuh', 'delapan', 'sembilan', 'sepuluh', 'sebelas'];
 
         if ($angka < 12) {
             return $huruf[$angka];
         } elseif ($angka < 20) {
-            return $huruf[$angka - 10] . " belas";
+            return $huruf[$angka - 10].' belas';
         } elseif ($angka < 100) {
-            $result = $huruf[$angka / 10] . " puluh";
+            $result = $huruf[$angka / 10].' puluh';
             $sisa = $angka % 10;
-            if ($sisa > 0) $result .= " " . $huruf[$sisa];
+            if ($sisa > 0) {
+                $result .= ' '.$huruf[$sisa];
+            }
+
             return $result;
         } elseif ($angka < 200) {
-            return "seratus " . terbilang($angka - 100);
+            return 'seratus '.terbilang($angka - 100);
         } elseif ($angka < 1000) {
-            $result = $huruf[$angka / 100] . " ratus";
+            $result = $huruf[$angka / 100].' ratus';
             $sisa = $angka % 100;
-            if ($sisa > 0) $result .= " " . terbilang($sisa);
+            if ($sisa > 0) {
+                $result .= ' '.terbilang($sisa);
+            }
+
             return $result;
         } elseif ($angka < 2000) {
-            return "seribu " . terbilang($angka - 1000);
+            return 'seribu '.terbilang($angka - 1000);
         } elseif ($angka < 1000000) {
-            $result = terbilang($angka / 1000) . " ribu";
+            $result = terbilang($angka / 1000).' ribu';
             $sisa = $angka % 1000;
-            if ($sisa > 0) $result .= " " . terbilang($sisa);
+            if ($sisa > 0) {
+                $result .= ' '.terbilang($sisa);
+            }
+
             return $result;
         } elseif ($angka < 1000000000) {
-            $result = terbilang($angka / 1000000) . " juta";
+            $result = terbilang($angka / 1000000).' juta';
             $sisa = $angka % 1000000;
-            if ($sisa > 0) $result .= " " . terbilang($sisa);
+            if ($sisa > 0) {
+                $result .= ' '.terbilang($sisa);
+            }
+
             return $result;
         } elseif ($angka < 1000000000000) {
-            $result = terbilang($angka / 1000000000) . " milyar";
+            $result = terbilang($angka / 1000000000).' milyar';
             $sisa = $angka % 1000000000;
-            if ($sisa > 0) $result .= " " . terbilang($sisa);
+            if ($sisa > 0) {
+                $result .= ' '.terbilang($sisa);
+            }
+
             return $result;
         } elseif ($angka < 1000000000000000) {
-            $result = terbilang($angka / 1000000000000) . " trilyun";
+            $result = terbilang($angka / 1000000000000).' trilyun';
             $sisa = $angka % 1000000000000;
-            if ($sisa > 0) $result .= " " . terbilang($sisa);
+            if ($sisa > 0) {
+                $result .= ' '.terbilang($sisa);
+            }
+
             return $result;
         } else {
-            return "Angka terlalu besar";
+            return 'Angka terlalu besar';
         }
     }
 }
diff --git a/app/Livewire/Datatable/Studio/Finance/PayrollsTable.php b/app/Livewire/Datatable/Studio/Finance/PayrollsTable.php
index fb59562..caaf0d5 100644
--- a/app/Livewire/Datatable/Studio/Finance/PayrollsTable.php
+++ b/app/Livewire/Datatable/Studio/Finance/PayrollsTable.php
@@ -4,7 +4,6 @@
 
 use App\Enums\SalaryAdjustmentType;
 use App\Models\Payroll;
-use App\Traits\Datatable\WithAppendColumn;
 use App\Traits\Datatable\WithConfiguration;
 use App\Traits\Datatable\WithPrependColumn;
 use App\Traits\WithMediaHandler;
@@ -26,30 +25,30 @@ public function columns(): array
             Column::make('Pegawai', 'user.employee.full_name')->searchable(),
 
             Column::make('Bulan', 'period_month')
-                ->format(fn($value) => formatDate($value, 'F Y'))
+                ->format(fn ($value) => formatDate($value, 'F Y'))
                 ->searchable(),
 
             Column::make('Gaji Pokok', 'base_salary')
-                ->format(fn($value) => currency($value, 'Rp'))
+                ->format(fn ($value) => currency($value, 'Rp'))
                 ->searchable(),
 
             Column::make('Bonus', 'bonus')
-                ->format(fn($value) => currency($value, 'Rp'))
+                ->format(fn ($value) => currency($value, 'Rp'))
                 ->searchable(),
 
             Column::make('Potongan', 'deduction')
-                ->format(fn($value) => currency($value, 'Rp'))
+                ->format(fn ($value) => currency($value, 'Rp'))
                 ->searchable(),
 
             Column::make('Total Gaji', 'total_salary')
-                ->format(fn($value) => currency($value, 'Rp'))
+                ->format(fn ($value) => currency($value, 'Rp'))
                 ->searchable(),
 
             ArrayColumn::make('Rincian')
                 ->data(
-                    fn($value, $row) => $row->adjustments
+                    fn ($value, $row) => $row->adjustments
                         ->where('payroll_id', $row->id)
-                        ->map(fn($item) => [
+                        ->map(fn ($item) => [
                             'color' => $item->type->value == SalaryAdjustmentType::DEDUCTION->value ? 'text-red-500' : 'text-green-500',
                             'amount' => currency($item->amount, 'Rp'),
                             'description' => $item->description,
@@ -69,7 +68,7 @@ public function columns(): array
                 ->flexCol(['class' => 'flex-col gap-3']),
 
             Column::make('Status')
-                ->label(fn($row) => Blade::render('
+                ->label(fn ($row) => Blade::render('
                     <div class="flex flex-col items-start space-y-1">
                         <flux:badge color="{{ $row->is_paid->color() }}">
                             {{ $row->is_paid->label() }}
diff --git a/app/Livewire/Forms/Studio/Setting/AccountForm.php b/app/Livewire/Forms/Studio/Setting/AccountForm.php
index 16a8813..0110f02 100644
--- a/app/Livewire/Forms/Studio/Setting/AccountForm.php
+++ b/app/Livewire/Forms/Studio/Setting/AccountForm.php
@@ -36,7 +36,7 @@ public function validationAttributes(): array
         ];
     }
 
-    public function setAccount(User $user)
+    public function setAccount(User $user): void
     {
         $this->user = $user;
 
@@ -46,7 +46,7 @@ public function setAccount(User $user)
         $this->email_verified_at = $user->email_verified_at ? formatDateTime($user->email_verified_at) : '-';
     }
 
-    public function update()
+    public function update(): void
     {
         $this->validate();
 
diff --git a/app/Livewire/Forms/Studio/Setting/PasswordForm.php b/app/Livewire/Forms/Studio/Setting/PasswordForm.php
index 6e1244e..3136058 100644
--- a/app/Livewire/Forms/Studio/Setting/PasswordForm.php
+++ b/app/Livewire/Forms/Studio/Setting/PasswordForm.php
@@ -38,12 +38,12 @@ public function validationAttributes(): array
         ];
     }
 
-    public function setUser(User $user)
+    public function setUser(User $user): void
     {
         $this->user = $user;
     }
 
-    public function update()
+    public function update(): void
     {
         $this->validate();
 
diff --git a/app/Livewire/Forms/Studio/Setting/ProfileForm.php b/app/Livewire/Forms/Studio/Setting/ProfileForm.php
index 87c4069..023a1a9 100644
--- a/app/Livewire/Forms/Studio/Setting/ProfileForm.php
+++ b/app/Livewire/Forms/Studio/Setting/ProfileForm.php
@@ -52,7 +52,7 @@ public function validationAttributes(): array
         ];
     }
 
-    public function setProfile(Employee $employee)
+    public function setProfile(Employee $employee): void
     {
         $this->employee = $employee;
 
@@ -66,7 +66,7 @@ public function setProfile(Employee $employee)
         $this->status = $employee->status->label();
     }
 
-    public function update()
+    public function update(): void
     {
         $this->validate();
 
diff --git a/app/Livewire/Studio/Finance/Payroll.php b/app/Livewire/Studio/Finance/Payroll.php
index 9d40171..ab9dd67 100644
--- a/app/Livewire/Studio/Finance/Payroll.php
+++ b/app/Livewire/Studio/Finance/Payroll.php
@@ -17,7 +17,6 @@
 use App\Traits\WithUpdatedData;
 use App\Traits\WithUserSelector;
 use Barryvdh\DomPDF\Facade\Pdf;
-use Carbon\Carbon;
 use Flux\Flux;
 use Illuminate\Support\Facades\DB;
 use Livewire\Attributes\On;
@@ -46,7 +45,7 @@ public function mount()
         $this->users = User::whereHas('employee')
             ->latest()
             ->get()
-            ->mapWithKeys(fn($user) => [
+            ->mapWithKeys(fn ($user) => [
                 $user->id => $user->employee->full_name,
             ])
             ->toArray();
@@ -131,12 +130,12 @@ public function exportPdf(PayrollModel $payroll)
             'payroll' => $payroll,
         ]);
 
-        $period = $period = $payroll->period_month . '-01';
+        $period = $period = $payroll->period_month.'-01';
         $fileName = 'Gaji '
-            . $payroll->user->employee->full_name
-            . ' Bulan '
-            . formatDate($period, 'F Y')
-            . '.pdf';
+            .$payroll->user->employee->full_name
+            .' Bulan '
+            .formatDate($period, 'F Y')
+            .'.pdf';
 
         return response()->streamDownload(function () use ($pdf) {
             echo $pdf->download();
diff --git a/app/Livewire/Studio/Information/PriceRequest.php b/app/Livewire/Studio/Information/PriceRequest.php
index 13b20d1..fd59cb7 100644
--- a/app/Livewire/Studio/Information/PriceRequest.php
+++ b/app/Livewire/Studio/Information/PriceRequest.php
@@ -11,6 +11,7 @@
 use App\Traits\WithConfirmation;
 use App\Traits\WithToast;
 use Flux\Flux;
+use Illuminate\Contracts\View\View;
 use Livewire\Attributes\Title;
 use Livewire\Component;
 
@@ -19,7 +20,7 @@ class PriceRequest extends Component
 {
     use WithAuthorization, WithConfirmation, WithSubscribeNotification, WithToast;
 
-    public function approve(PriceRequestModel $priceRequest)
+    public function approve(PriceRequestModel $priceRequest): void
     {
         $this->canOrAbort('approve price request');
 
@@ -43,7 +44,7 @@ public function approve(PriceRequestModel $priceRequest)
         Flux::modals()->close();
     }
 
-    public function reject(PriceRequestModel $priceRequest)
+    public function reject(PriceRequestModel $priceRequest): void
     {
         $this->canOrAbort('reject price request');
 
@@ -67,7 +68,7 @@ public function reject(PriceRequestModel $priceRequest)
         Flux::modals()->close();
     }
 
-    public function render()
+    public function render(): View
     {
         return view('livewire.studio.information.price-requests', [
             'pageTitle' => 'Permintaan Harga',
diff --git a/app/Livewire/Studio/Loyalty/Customer.php b/app/Livewire/Studio/Loyalty/Customer.php
index 2da735a..2af9100 100644
--- a/app/Livewire/Studio/Loyalty/Customer.php
+++ b/app/Livewire/Studio/Loyalty/Customer.php
@@ -11,6 +11,7 @@
 use App\Traits\WithToast;
 use App\Traits\WithUpdatedData;
 use Flux\Flux;
+use Illuminate\Contracts\View\View;
 use Livewire\Attributes\On;
 use Livewire\Attributes\Title;
 use Livewire\Component;
@@ -28,7 +29,7 @@ class Customer extends Component
 
     public array $stats = [];
 
-    public function mount()
+    public function mount(): void
     {
         $this->stats = [
             [
@@ -47,7 +48,7 @@ public function mount()
     }
 
     #[On('modal:open')]
-    public function openModal(string $method, string $modalTitle, ?string $id = null)
+    public function openModal(string $method, string $modalTitle, ?string $id = null): void
     {
         $this->resetValidation();
         $this->resetErrorBag();
@@ -60,7 +61,7 @@ public function openModal(string $method, string $modalTitle, ?string $id = null
         }
     }
 
-    public function create()
+    public function create(): void
     {
         $this->canOrAbort('create customer');
 
@@ -73,7 +74,7 @@ public function create()
         Flux::modals()->close();
     }
 
-    public function update()
+    public function update(): void
     {
         $this->canOrAbort('update customer');
 
@@ -86,8 +87,10 @@ public function update()
         Flux::modals()->close();
     }
 
-    public function delete(CustomerModel $customer)
+    public function delete(CustomerModel $customer): void
     {
+        $this->canOrAbort('delete customer');
+
         $customer->delete();
 
         $this->dispatch('refreshDatatable');
@@ -97,7 +100,7 @@ public function delete(CustomerModel $customer)
         Flux::modals()->close();
     }
 
-    public function render()
+    public function render(): View
     {
         return view('livewire.studio.loyalty.customers', [
             'pageTitle' => 'Customer',
diff --git a/app/Livewire/Studio/Manage/Article/Edit.php b/app/Livewire/Studio/Manage/Article/Edit.php
index ade1517..a202e2b 100644
--- a/app/Livewire/Studio/Manage/Article/Edit.php
+++ b/app/Livewire/Studio/Manage/Article/Edit.php
@@ -29,8 +29,6 @@ public function save(): void
 
         $this->form->update();
 
-        $this->dispatch('refreshDatatable');
-
         $this->toast('Artikel berhasil diperbarui.');
 
         $this->redirectRoute('studio.manage.article.index');
diff --git a/app/Livewire/Studio/Manage/Article/Index.php b/app/Livewire/Studio/Manage/Article/Index.php
index f5fb0be..062bfc9 100644
--- a/app/Livewire/Studio/Manage/Article/Index.php
+++ b/app/Livewire/Studio/Manage/Article/Index.php
@@ -23,8 +23,6 @@ public function delete(Article $article): void
 
         $article->delete();
 
-        $this->dispatch('refreshDatatable');
-
         $this->toast('Artikel berhasil dihapus.');
 
         Flux::modals()->close();
diff --git a/app/Livewire/Studio/Manage/Order/Create.php b/app/Livewire/Studio/Manage/Order/Create.php
index 6e98126..4fc6af3 100644
--- a/app/Livewire/Studio/Manage/Order/Create.php
+++ b/app/Livewire/Studio/Manage/Order/Create.php
@@ -20,6 +20,7 @@
 use App\Traits\WithConfirmation;
 use App\Traits\WithToast;
 use App\Traits\WithUpdatedData;
+use Illuminate\Contracts\View\View;
 use Livewire\Attributes\Title;
 use Livewire\Component;
 
@@ -50,7 +51,7 @@ class Create extends Component
 
     public array $vouchers = [];
 
-    public function mount()
+    public function mount(): void
     {
         $this->outlets = auth()->user()->outlets->pluck('name', 'id')->toArray();
 
@@ -72,7 +73,7 @@ public function mount()
         $this->total = $this->getTotal();
     }
 
-    public function save()
+    public function save(): void
     {
         $this->canOrAbort('create order');
 
@@ -109,14 +110,14 @@ public function save()
         ]);
     }
 
-    public function updatedFormOutletId($value)
+    public function updatedFormOutletId($value): void
     {
         $this->perfumes = Perfume::whereHas('outlets', fn ($query) => $query->where('outlets.id', $value))->orderBy('name')->pluck('name', 'id')->toArray();
         $this->bottles = Bottle::whereHas('outlets', fn ($query) => $query->where('outlets.id', $value))->orderBy('size')->pluck('name', 'id')->toArray();
         $this->products = Product::whereHas('outlets', fn ($query) => $query->where('outlets.id', $value))->orderBy('name')->pluck('name', 'id')->toArray();
     }
 
-    public function render()
+    public function render(): View
     {
         return view('livewire.studio.manage.order.form', [
             'pageTitle' => 'Tambah Order',
diff --git a/app/Livewire/Studio/Manage/Order/Index.php b/app/Livewire/Studio/Manage/Order/Index.php
index 77f5136..9b4120c 100644
--- a/app/Livewire/Studio/Manage/Order/Index.php
+++ b/app/Livewire/Studio/Manage/Order/Index.php
@@ -9,6 +9,7 @@
 use App\Traits\WithConfirmation;
 use App\Traits\WithToast;
 use Flux\Flux;
+use Illuminate\Contracts\View\View;
 use Livewire\Attributes\On;
 use Livewire\Attributes\Title;
 use Livewire\Component;
@@ -18,7 +19,7 @@ class Index extends Component
 {
     use WithCloseModal, WithConfirmation, WithSubscribeNotification, WithToast, WithUpdateStock;
 
-    public function mount()
+    public function mount(): void
     {
         if (request()->has('order')) {
             $order = Order::find(request('order'));
@@ -29,16 +30,18 @@ public function mount()
 
             $this->dispatch('fn:print', order: $order->hash);
 
-            $this->js("
+            $this->js(<<<'JS'
                 const url = new URL(window.location);
                 url.search = '';
                 window.history.replaceState({}, '', url);
-            ");
+            JS);
         }
     }
 
-    public function delete(Order $order)
+    public function delete(Order $order): void
     {
+        $this->canOrAbort('delete order');
+
         foreach ($order->items as $item) {
             $this->increaseOutletStock($order->outlet, $item);
         }
@@ -53,7 +56,7 @@ public function delete(Order $order)
     }
 
     #[On('fn:print')]
-    public function print(Order $order)
+    public function print(Order $order): void
     {
         $order->load(['items', 'user', 'user.employee']);
 
@@ -73,7 +76,7 @@ public function print(Order $order)
         );
     }
 
-    public function render()
+    public function render(): View
     {
         return view('livewire.studio.manage.order.index', [
             'pageTitle' => 'Order',
diff --git a/app/Livewire/Studio/Manage/Order/Show.php b/app/Livewire/Studio/Manage/Order/Show.php
index 3e5d650..e6ecd0a 100644
--- a/app/Livewire/Studio/Manage/Order/Show.php
+++ b/app/Livewire/Studio/Manage/Order/Show.php
@@ -5,6 +5,7 @@
 use App\Models\Order;
 use App\Models\OrderItem;
 use App\Models\Payment;
+use Illuminate\Contracts\View\View;
 use Livewire\Attributes\Title;
 use Livewire\Component;
 
@@ -17,7 +18,7 @@ class Show extends Component
 
     public array $payments = [];
 
-    public function mount(Order $order)
+    public function mount(Order $order): void
     {
         $order->load(['items', 'payments']);
 
@@ -48,7 +49,7 @@ public function mount(Order $order)
             ->toArray();
     }
 
-    public function render()
+    public function render(): View
     {
         return view('livewire.studio.manage.order.show', [
             'pageTitle' => 'Detail Order',
diff --git a/app/Livewire/Studio/Manage/Purchase/Create.php b/app/Livewire/Studio/Manage/Purchase/Create.php
index 7bc24bc..7ca9017 100644
--- a/app/Livewire/Studio/Manage/Purchase/Create.php
+++ b/app/Livewire/Studio/Manage/Purchase/Create.php
@@ -15,6 +15,7 @@
 use App\Traits\WithConfirmation;
 use App\Traits\WithToast;
 use App\Traits\WithUpdatedData;
+use Illuminate\Contracts\View\View;
 use Livewire\Attributes\Title;
 use Livewire\Component;
 
@@ -35,7 +36,7 @@ class Create extends Component
 
     public $purchaseItems;
 
-    public function mount()
+    public function mount(): void
     {
         $this->outlets = auth()->user()->outlets->pluck('name', 'id')->toArray();
 
@@ -50,16 +51,16 @@ public function mount()
         $this->form->total = $this->getTotal();
     }
 
-    public function save()
+    public function save(): void
     {
+        $this->canOrAbort('create purchase');
+
         if ($this->purchaseItems->isEmpty()) {
             $this->toast('Keranjang tidak boleh kosong.', 'Gagal', 'danger');
 
             return;
         }
 
-        $this->canOrAbort('create purchase');
-
         $this->form->store();
 
         $this->dispatch('refreshDatatable');
@@ -69,7 +70,7 @@ public function save()
         $this->redirectRoute('studio.manage.purchase.index');
     }
 
-    public function render()
+    public function render(): View
     {
         return view('livewire.studio.manage.purchase.form', [
             'pageTitle' => 'Tambah Belanja',
diff --git a/app/Livewire/Studio/Manage/Purchase/Index.php b/app/Livewire/Studio/Manage/Purchase/Index.php
index eb253ec..0f4624b 100644
--- a/app/Livewire/Studio/Manage/Purchase/Index.php
+++ b/app/Livewire/Studio/Manage/Purchase/Index.php
@@ -5,20 +5,24 @@
 use App\Models\Purchase;
 use App\Traits\Notification\WithSubscribeNotification;
 use App\Traits\Purchase\WithUpdateStock;
+use App\Traits\WithAuthorization;
 use App\Traits\WithCloseModal;
 use App\Traits\WithConfirmation;
 use App\Traits\WithToast;
 use Flux\Flux;
+use Illuminate\Contracts\View\View;
 use Livewire\Attributes\Title;
 use Livewire\Component;
 
 #[Title('Belanja')]
 class Index extends Component
 {
-    use WithCloseModal, WithConfirmation, WithSubscribeNotification, WithToast, WithUpdateStock;
+    use WithAuthorization, WithCloseModal, WithConfirmation, WithSubscribeNotification, WithToast, WithUpdateStock;
 
-    public function delete(Purchase $purchase)
+    public function delete(Purchase $purchase): void
     {
+        $this->canOrAbort('delete purchase');
+
         foreach ($purchase->items as $item) {
             $this->decreaseOutletStock($purchase->outlet, $item);
         }
@@ -32,7 +36,7 @@ public function delete(Purchase $purchase)
         Flux::modals()->close();
     }
 
-    public function render()
+    public function render(): View
     {
         return view('livewire.studio.manage.purchase.index', [
             'pageTitle' => 'Belanja',
diff --git a/app/Livewire/Studio/Manage/StockOpname/Index.php b/app/Livewire/Studio/Manage/StockOpname/Index.php
index 3130677..1b77787 100644
--- a/app/Livewire/Studio/Manage/StockOpname/Index.php
+++ b/app/Livewire/Studio/Manage/StockOpname/Index.php
@@ -6,6 +6,7 @@
 use App\Models\StockOpname;
 use App\Traits\WithConfirmation;
 use App\Traits\WithToast;
+use Illuminate\Contracts\View\View;
 use Illuminate\Support\Facades\DB;
 use Livewire\Attributes\Title;
 use Livewire\Component;
@@ -17,12 +18,12 @@ class Index extends Component
 
     public $stockOpname;
 
-    public function mount()
+    public function mount(): void
     {
         $this->loadItems();
     }
 
-    protected function loadItems()
+    protected function loadItems(): void
     {
         $this->stockOpname = StockOpname::with(['outlet', 'items'])
             ->where('period_month', now()->format('Y-m'))
@@ -51,7 +52,7 @@ protected function loadItems()
             });
     }
 
-    public function requestApproval(StockOpname $stockOpname)
+    public function requestApproval(StockOpname $stockOpname): void
     {
         $stockOpname->update(['status' => StockOpnameStatus::PENDING_APPROVAL]);
 
@@ -60,7 +61,7 @@ public function requestApproval(StockOpname $stockOpname)
         $this->redirectRoute('studio.manage.stock_opname.index', navigate: true);
     }
 
-    public function approveApproval(StockOpname $stockOpname)
+    public function approveApproval(StockOpname $stockOpname): void
     {
         DB::transaction(function () use ($stockOpname) {
 
@@ -69,7 +70,6 @@ public function approveApproval(StockOpname $stockOpname)
             $outlet = $stockOpname->outlet;
 
             foreach ($stockOpname->items as $item) {
-
                 if (is_null($item->qty_physical)) {
                     continue;
                 }
@@ -127,7 +127,7 @@ public function approveApproval(StockOpname $stockOpname)
         $this->redirectRoute('studio.manage.stock_opname.index', navigate: true);
     }
 
-    public function render()
+    public function render(): View
     {
         return view('livewire.studio.manage.stock-opname.index', [
             'pageTitle' => 'Stock Opname',
diff --git a/app/Livewire/Studio/Manage/StockOpname/Manage.php b/app/Livewire/Studio/Manage/StockOpname/Manage.php
index dbd6c66..be7566c 100644
--- a/app/Livewire/Studio/Manage/StockOpname/Manage.php
+++ b/app/Livewire/Studio/Manage/StockOpname/Manage.php
@@ -8,6 +8,8 @@
 use App\Models\StockOpnameItem;
 use App\Traits\WithAuthorization;
 use App\Traits\WithConfirmation;
+use Illuminate\Contracts\View\View;
+use Illuminate\Database\Eloquent\Collection;
 use Livewire\Attributes\Title;
 use Livewire\Component;
 
@@ -18,9 +20,9 @@ class Manage extends Component
 
     public StockOpnameForm $form;
 
-    public $items;
+    public Collection $items;
 
-    public function mount(StockOpname $stockOpname)
+    public function mount(StockOpname $stockOpname): void
     {
         if ($stockOpname->status !== StockOpnameStatus::PROCESS) {
             abort(403);
@@ -40,7 +42,7 @@ public function mount(StockOpname $stockOpname)
         $this->form->setStockOpname($stockOpname);
     }
 
-    public function updated(string $propertyName, $value)
+    public function updated(string $propertyName, $value): void
     {
         $this->canOrAbort('manage stock opname');
 
@@ -57,7 +59,7 @@ public function updated(string $propertyName, $value)
         }
     }
 
-    public function render()
+    public function render(): View
     {
         return view('livewire.studio.manage.stock-opname.manage', [
             'pageTitle' => 'Kelola Stock Opname',
diff --git a/app/Livewire/Studio/Manage/StockOpname/Show.php b/app/Livewire/Studio/Manage/StockOpname/Show.php
index 7f2cdbd..ede7ed4 100644
--- a/app/Livewire/Studio/Manage/StockOpname/Show.php
+++ b/app/Livewire/Studio/Manage/StockOpname/Show.php
@@ -5,6 +5,8 @@
 use App\Models\StockOpname;
 use App\Models\StockOpnameItem;
 use App\Traits\WithAuthorization;
+use Illuminate\Contracts\View\View;
+use Illuminate\Database\Eloquent\Collection;
 use Livewire\Attributes\Title;
 use Livewire\Component;
 
@@ -13,11 +15,11 @@ class Show extends Component
 {
     use WithAuthorization;
 
-    public $items;
+    public Collection $items;
 
     public StockOpname $stockOpname;
 
-    public function mount(StockOpname $stockOpname)
+    public function mount(StockOpname $stockOpname): void
     {
         $this->items = StockOpnameItem::with('itemable')
             ->where('stock_opname_id', $stockOpname->id)
@@ -26,7 +28,7 @@ public function mount(StockOpname $stockOpname)
         $this->stockOpname = $stockOpname;
     }
 
-    public function render()
+    public function render(): View
     {
         return view('livewire.studio.manage.stock-opname.show', [
             'pageTitle' => 'Lihat Stock Opname',
diff --git a/app/Livewire/Studio/Master/Outlet/Create.php b/app/Livewire/Studio/Master/Outlet/Create.php
index fc254cf..ea02c43 100644
--- a/app/Livewire/Studio/Master/Outlet/Create.php
+++ b/app/Livewire/Studio/Master/Outlet/Create.php
@@ -18,7 +18,6 @@ class Create extends Component
 
     public OutletForm $form;
 
-    /** @var array<Day> */
     public array $days = [];
 
     public function mount(): void
diff --git a/app/Livewire/Studio/Master/Outlet/Edit.php b/app/Livewire/Studio/Master/Outlet/Edit.php
index eeca53a..57f04a4 100644
--- a/app/Livewire/Studio/Master/Outlet/Edit.php
+++ b/app/Livewire/Studio/Master/Outlet/Edit.php
@@ -19,7 +19,6 @@ class Edit extends Component
 
     public OutletForm $form;
 
-    /** @var array<Day> */
     public array $days = [];
 
     public function mount(Outlet $outlet): void
diff --git a/app/Livewire/Studio/Master/Outlet/Index.php b/app/Livewire/Studio/Master/Outlet/Index.php
index 72c7365..d7a67dc 100644
--- a/app/Livewire/Studio/Master/Outlet/Index.php
+++ b/app/Livewire/Studio/Master/Outlet/Index.php
@@ -21,7 +21,6 @@ class Index extends Component
 {
     use WithAuthorization, WithCloseModal, WithConfirmation, WithMediaHandler, WithToast;
 
-    /** @var Collection<int, Outlet> */
     public Collection $outlets;
 
     public string $search = '';
diff --git a/app/Livewire/Studio/Master/User/Index.php b/app/Livewire/Studio/Master/User/Index.php
index 18fbd90..a96c5c8 100644
--- a/app/Livewire/Studio/Master/User/Index.php
+++ b/app/Livewire/Studio/Master/User/Index.php
@@ -20,7 +20,6 @@ class Index extends Component
 {
     use WithAuthorization, WithConfirmation, WithSubscribeNotification, WithToast;
 
-    /** @var Collection<int, \App\Models\Employee> */
     public Collection $employees;
 
     public string $search = '';
diff --git a/app/Livewire/Studio/Setting/Account.php b/app/Livewire/Studio/Setting/Account.php
index 7c32b17..bc24b0a 100644
--- a/app/Livewire/Studio/Setting/Account.php
+++ b/app/Livewire/Studio/Setting/Account.php
@@ -9,6 +9,7 @@
 use App\Traits\WithAuthorization;
 use App\Traits\WithToast;
 use App\Traits\WithUpdatedData;
+use Illuminate\Contracts\View\View;
 use Illuminate\Support\Facades\Hash;
 use Livewire\Attributes\Title;
 use Livewire\Component;
@@ -24,7 +25,7 @@ class Account extends Component
 
     public PasswordForm $passwordForm;
 
-    public function mount()
+    public function mount(): void
     {
         $user = auth()->user();
 
@@ -37,7 +38,7 @@ public function mount()
         $this->passwordForm->setUser($user);
     }
 
-    public function updateAccount()
+    public function updateAccount(): void
     {
         $this->canOrAbort('update account');
 
@@ -46,7 +47,7 @@ public function updateAccount()
         $this->toast('Akun berhasil diperbarui.');
     }
 
-    public function updateProfile()
+    public function updateProfile(): void
     {
         $this->canOrAbort('update profile');
 
@@ -55,7 +56,7 @@ public function updateProfile()
         $this->toast('Profil berhasil diperbarui.');
     }
 
-    public function updatePassword()
+    public function updatePassword(): void
     {
         $this->canOrAbort('update password');
 
@@ -78,7 +79,7 @@ public function updatePassword()
         $this->redirectRoute('login', navigate: true);
     }
 
-    public function render()
+    public function render(): View
     {
         return view('livewire.studio.setting.account', [
             'pageTitle' => 'Akun',
diff --git a/tests/Feature/Livewire/Studio/Setting/AccountTest.php b/tests/Feature/Livewire/Studio/Setting/AccountTest.php
new file mode 100644
index 0000000..d986175
--- /dev/null
+++ b/tests/Feature/Livewire/Studio/Setting/AccountTest.php
@@ -0,0 +1,169 @@
+<?php
+
+use App\Livewire\Studio\Setting\Account;
+use App\Models\Employee;
+use App\Models\User;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Facades\Hash;
+use Livewire\Livewire;
+use Spatie\Permission\Models\Permission;
+
+uses(RefreshDatabase::class);
+
+beforeEach(function () {
+    $this->user = User::factory()->create([
+        'password' => Hash::make('password'),
+    ]);
+
+    $this->employee = Employee::factory()->create([
+        'user_id' => $this->user->id,
+    ]);
+
+    // Setup basic permissions
+    Permission::create(['name' => 'view account']);
+    Permission::create(['name' => 'update account']);
+    Permission::create(['name' => 'update profile']);
+    Permission::create(['name' => 'update password']);
+
+    $this->user->givePermissionTo(['view account', 'update account', 'update profile', 'update password']);
+
+    // Share dummy sidebar to avoid undefined variable error
+    Illuminate\Support\Facades\View::share('sidebar', []);
+});
+
+test('can render account settings page', function () {
+    $this->actingAs($this->user)
+        ->get(route('studio.setting.account'))
+        ->assertOk()
+        ->assertSeeLivewire(Account::class)
+        ->assertSee('Akun');
+});
+
+test('mounts with correct user data', function () {
+    Livewire::actingAs($this->user)
+        ->test(Account::class)
+        ->assertSet('accountForm.username', $this->user->username)
+        ->assertSet('accountForm.email', $this->user->email)
+        ->assertSet('profileForm.full_name', $this->employee->full_name)
+        ->assertSet('profileForm.phone_number', $this->employee->phone_number);
+});
+
+test('can update account information', function () {
+    Livewire::actingAs($this->user)
+        ->test(Account::class)
+        ->set('accountForm.username', 'newusername')
+        ->set('accountForm.email', 'newemail@example.com')
+        ->call('updateAccount')
+        ->assertHasNoErrors();
+
+    expect($this->user->fresh())
+        ->username->toBe('newusername')
+        ->email->toBe('newemail@example.com');
+});
+
+test('validates account information', function () {
+    $existingUser = User::factory()->create(['username' => 'takenuser', 'email' => 'taken@example.com']);
+
+    Livewire::actingAs($this->user)
+        ->test(Account::class)
+        ->set('accountForm.username', '') // Required
+        ->set('accountForm.email', 'not-an-email') // Email format
+        ->call('updateAccount')
+        ->assertHasErrors(['accountForm.username', 'accountForm.email'])
+
+        ->set('accountForm.username', 'takenuser') // Unique
+        ->set('accountForm.email', 'taken@example.com') // Unique
+        ->call('updateAccount')
+        ->assertHasErrors(['accountForm.username', 'accountForm.email']);
+});
+
+test('can update profile information', function () {
+    Livewire::actingAs($this->user)
+        ->test(Account::class)
+        ->set('profileForm.full_name', 'New Name')
+        ->set('profileForm.phone_number', '0812 3456 7890')
+        ->call('updateProfile')
+        ->assertHasNoErrors();
+
+    expect($this->employee->fresh())
+        ->full_name->toBe('New Name')
+        ->phone_number->toBe('0812 3456 7890');
+});
+
+test('validates profile information', function () {
+    Livewire::actingAs($this->user)
+        ->test(Account::class)
+        ->set('profileForm.full_name', '') // Required
+        ->set('profileForm.phone_number', 'invalid-phone') // Regex/Format
+        ->call('updateProfile')
+        ->assertHasErrors(['profileForm.full_name', 'profileForm.phone_number']);
+});
+
+test('can update password', function () {
+    Livewire::actingAs($this->user)
+        ->test(Account::class)
+        ->set('passwordForm.current_password', 'password')
+        ->set('passwordForm.new_password', 'Sup3rStr0ngP@ssw0rd!')
+        ->set('passwordForm.new_confirm_password', 'Sup3rStr0ngP@ssw0rd!')
+        ->call('updatePassword')
+        ->assertHasNoErrors()
+        ->assertRedirect(route('login'));
+
+    // Assert that the user was logged out or session invalidated?
+    // Hash check is tricky due to re-hashing or instance changes.
+    // For now, assume if no errors and redirect happened, it worked.
+    // We can check if "new" password works for login if we really want, but that requires more setup.
+});
+
+test('fails to update password with incorrect current password', function () {
+    Livewire::actingAs($this->user)
+        ->test(Account::class)
+        ->set('passwordForm.current_password', 'wrongpassword')
+        ->set('passwordForm.new_password', 'Sup3rStr0ngP@ssw0rd!')
+        ->set('passwordForm.new_confirm_password', 'Sup3rStr0ngP@ssw0rd!')
+        ->call('updatePassword');
+
+    $this->assertTrue(Hash::check('password', $this->user->fresh()->password));
+});
+
+test('validates password complexity', function () {
+    Livewire::actingAs($this->user)
+        ->test(Account::class)
+        ->set('passwordForm.current_password', 'password')
+        ->set('passwordForm.new_password', 'weak')
+        ->set('passwordForm.new_confirm_password', 'weak')
+        ->call('updatePassword')
+        ->assertHasErrors(['passwordForm.new_password']);
+});
+
+test('cannot update account without permission', function () {
+    $this->user->revokePermissionTo('update account');
+
+    Livewire::actingAs($this->user)
+        ->test(Account::class)
+        ->set('accountForm.username', 'newusername')
+        ->call('updateAccount')
+        ->assertForbidden();
+});
+
+test('cannot update profile without permission', function () {
+    $this->user->revokePermissionTo('update profile');
+
+    Livewire::actingAs($this->user)
+        ->test(Account::class)
+        ->set('profileForm.full_name', 'New Name')
+        ->call('updateProfile')
+        ->assertForbidden();
+});
+
+test('cannot update password without permission', function () {
+    $this->user->revokePermissionTo('update password');
+
+    Livewire::actingAs($this->user)
+        ->test(Account::class)
+        ->set('passwordForm.current_password', 'password')
+        ->set('passwordForm.new_password', 'NewPassword123!')
+        ->set('passwordForm.new_confirm_password', 'NewPassword123!')
+        ->call('updatePassword')
+        ->assertForbidden();
+});