Add all files

app/Admin/Resources/UserResource/Pages/ShowInvoices.php

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+<?php
+
+namespace App\Admin\Resources\UserResource\Pages;
+
+use App\Admin\Resources\InvoiceResource;
+use App\Admin\Resources\UserResource;
+use Filament\Resources\Pages\ManageRelatedRecords;
+use Filament\Tables;
+use Filament\Tables\Filters\SelectFilter;
+use Filament\Tables\Table;
+
+class ShowInvoices extends ManageRelatedRecords
+{
+    protected static string $resource = UserResource::class;
+
+    protected static string $relationship = 'invoices';
+
+    protected static ?string $navigationIcon = 'ri-bill-line';
+
+    public static function getNavigationLabel(): string
+    {
+        return 'Invoices';
+    }
+
+    public function table(Table $table): Table
+    {
+        return $table
+            ->recordTitleAttribute('product.name')
+            ->columns([
+                Tables\Columns\TextColumn::make('id')->sortable(),
+                Tables\Columns\TextColumn::make('formattedTotal')->label('Total'),
+                Tables\Columns\TextColumn::make('status')
+                    ->label('Status')
+                    // Make first letter uppercase
+                    ->formatStateUsing(fn (string $state): string => ucfirst($state))
+                    ->badge()
+                    ->color(fn (string $state): string => match ($state) {
+                        'paid' => 'success',
+                        'pending' => 'warning',
+                        default => 'danger',
+                    }),
+            ])
+            ->filters([
+                SelectFilter::make('status')
+                    ->label('Status')
+                    ->options([
+                        'paid' => 'Paid',
+                        'pending' => 'Pending',
+                        'cancelled' => 'Cancelled',
+                    ]),
+            ])
+            ->actions([
+                Tables\Actions\ViewAction::make()->url(fn ($record) => InvoiceResource::getUrl('edit', ['record' => $record])),
+            ]);
+    }
+}