Output:
Chunk ID: 1bab7e
Wall time: 0.0511 seconds
Process exited with code 0
Original token count: 7094
Output:
<?php

namespace App\Http\Controllers\Api\Admin;

use App\Http\Controllers\Api\Concerns\ResolvesApiContext;
use App\Http\Controllers\Controller;
use App\Http\Requests\Admin\Products\ListProductsRequest;
use App\Http\Requests\Admin\Products\StoreProductRequest;
use App\Http\Requests\Admin\Products\UpdateProductRequest;
use App\Http\Resources\Admin\ProductResource;
use App\Models\InventoryItem;
use App\Models\Product;
use App\Models\ProductVariant;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Str;

class ProductController extends Controller
{
    use ResolvesApiContext;

    public function index(ListProductsRequest $request, int $store): JsonResponse
    {
        $storeId = $this->scopedStoreId($request, $store);
        $validated = $request->validated();

        $query = Product::query()
            ->where('store_id', $storeId)
            ->withCount('variants');

        if (isset($validated['status']) && is_string($validated['status'])) {
            $query->where('status', $validated['status']);
        }

        if (isset($validated['query']) && is_string($validated['query']) && trim($validated['query']) !== '') {
            $term = trim($validated['query']);
            $like = '%'.$term.'%';

            $query->where(function ($builder) use ($like): void {
                $builder->where('title', 'like', $like)
                    ->orWhere('vendor', 'like', $like)
                    ->orWhere('handle', 'like', $like);
            });
        }

        $sort = (string) ($validated['sort'] ?? 'updated_at_desc');

        match ($sort) {
            'title_asc' => $query->orderBy('title'),
            'title_desc' => $query->orderByDesc('title'),
            'created_at_asc' => $query->orderBy('created_at'),
            'created_at_desc' => $query->orderByDesc('created_at'),
            default => $query->orderByDesc('updated_at'),
        };

        $perPage = (int) ($validated['per_page'] ?? 25);
        $paginator = $query->paginate($perPage);

        return response()->json([
            'data' => ProductResource::collection($paginator->getCollection())->resolve(),
            'meta' => [
                'current_page' => (int) $paginator->currentPage(),
                'per_page' => (int) $paginator->perPage(),
                'total' => (int) $paginator->total(),
                'last_page' => (int) $paginator->lastPage(),
            ],
        ]);
    }

    public function store(StoreProductRequest $request, int $store): JsonResponse
    {
        $storeId = $this->scopedStoreId($request, $store);
        $storeModel = $this->currentStoreModel($request);
        $validated = $request->validated();

        $service = $this->resolveService('App\\Services\\ProductService');

        if ($service !== null && method_exists($service, 'create')) {
            try {
                $serviceProduct = $service->create($storeModel, $validated);

                if ($serviceProduct instanceof Product) {
                    $serviceProduct->loadCount('variants');

                    return response()->json([
                        'data' => ProductResource::make($serviceProduct)->resolve(),
                    ], 201);
                }
            } catch (\Throwable) {
                // Fall back to direct persistence while service contracts stabilize.
            }
        }

        $handle = $this->resolveUniqueHandle(
            $storeId,
            isset($validated['handle']) && is_string($validated['handle'])
                ? $validated['handle']
                : (string) $validated['title'],
        );

        $product = Product::query()->create([
            'store_id' => $storeId,
            'title' => (string) $validated['title'],
            'handle' => $handle,
            'status' => (string) ($validated['status'] ?? 'draft'),
            'description_html' => $validated['description_html'] ?? null,
            'vendor' => $validated['vendor'] ?? null,
            'product_type' => $validated['product_type'] ?? null,
            'tags' => isset($validated['tags']) && is_array($validated['tags']) ? $validated['tags'] : [],
            'published_at' => $validated['published_at'] ?? null,
        ]);

        $defaultVariant = ProductVariant::query()->create([
            'product_id' => (int) $product->id,
            'sku' => null,
            'barcode' => null,
            'price_amount' => (int) ($validated['price_amount'] ?? 0),
            'compare_at_amount' => isset($validated['compare_at_amount']) ? (int) $validated['compare_at_amount'] : null,
            'currency' => (string) ($validated['currency'] ?? $storeModel->default_currency ?? 'USD'),
            'weight_g' => null,
            'requires_shipping' => (bool) ($validated['requires_shipping'] ?? true),
            'is_default' => true,
            'position' => 1,
            'status' => 'active',
        ]);

        InventoryItem::query()->create([
            'store_id' => $storeId,
            'variant_id' => (int) $defaultVariant->id,
            'quantity_on_hand' => 0,
            'quantity_reserved' => 0,
            'policy' => 'deny',
        ]);

        $product = Product::query()
            ->whereKey($product->id)
            ->withCount('variants')
            ->firstOrFail();

        return response()->json([
            'data' => ProductResource::make($product)->resolve(),
        ], 201);
    }

    public function show(Request $request, int $store, int $product): JsonResponse
    {
        $storeId = $this->scopedStoreId($request, $store);
        $foundProduct = $this->findStoreProduct($storeId, $product);

        if (! $foundProduct instanceof Product) {
            return response()->json([
                'message' => 'Product not found.',
            ], 404);
        }

        $foundProduct->loadCount('variants');

        return response()->json([
            'data' => ProductResource::make($foundProduct)->resolve(),
        ]);
    }

    public function update(UpdateProductRequest $request, int $store, int $product): JsonResponse
    {
        $storeId = $this->scopedStoreId($request, $store);
        $foundProduct = $this->findStoreProduct($storeId, $product);

        if (! $foundProduct instanceof Product) {
            return response()->json([
                'message' => 'Product not found.',
            ], 404);
        }

        $validated = $request->validated();
        $service = $this->resolveService('App\\Services\\ProductService');

        if ($service !== null && method_exists($service, 'update')) {
            try {
                $serviceProduct = $service->update($foundProduct, $validated);

                if ($serviceProduct instanceof Product) {
                    $serviceProduct->loadCount('variants');

                    return response()->json([
                        'data' => ProductResource::make($serviceProduct)->resolve(),
                    ]);
                }
            } catch (\Throwable) {
                // Fall back to direct persistence while service contracts stabilize.
            }
        }

        if (array_key_exists('handle', $validated) && is_string($validated['handle']) && $validated['handle'] !== '') {
            $validated['handle'] = $this->resolveUniqueHandle($storeId, $validated['handle'], (int) $foundProduct->id);
        }

        $payload = [];

        foreach (['title', 'handle', 'description_html', 'vendor', 'product_type', 'status', 'published_at'] as $field) {
            if (array_key_exists($field, $validated)) {
                $payload[$field] = $validated[$field];
            }
        }

        if (array_key_exists('tags', $validated)) {
            $payload['tags'] = is_array($validated['tags']) ? $validated['tags'] : [];
        }

        if ($payload !== []) {
            $foundProduct->fill($payload);
            $foundProduct->save();
        }

        if (
            array_key_exists('price_amount', $validated)
            || array_key_exists('compare_at_amount', $validated)
            || array_key_exists('currency', $validated)
            || array_key_exists('requires_shipping', $validated)
        ) {
            $variant = ProductVariant::query()
                ->where('product_id', $foundProduct->id)
                ->where('is_default', true)
                ->first();

            if (! $variant instanceof ProductVariant) {
                $variant = ProductVariant::query()->create([
                    'product_id' => (int) $foundProduct->id,
                    'sku' => null,
                    'barcode' => null,
                    'price_amount' => 0,
                    'compare_at_amount' => null,
                    'currency' => (string) ($validated['currency'] ?? $foundProduct->store->default_currency ?? 'USD'),
                    'weight_g' => null,
                    'requires_shipping' => true,
                    'is_default' => true,
                    'position' => 1,
                    'status' => 'active',
                ]);

                InventoryItem::query()->firstOrCreate([
                    'variant_id' => (int) $variant->id,
                ], [
                    'store_id' => (int) $foundProduct->store_id,
                    'quantity_on_hand' => 0,
                    'quantity_reserved' => 0,
                    'policy' => 'deny',
                ]);
            }

            $variant->fill([
                'price_amount' => array_key_exists('price_amount', $validated)
                    ? (int) $validated['price_amount']
                    : (int) $variant->price_amount,
                'compare_at_amount' => array_key_exists('compare_at_amount', $validated)
                    ? (isset($validated['compare_at_amount']) ? (int) $validated['compare_at_amount'] : null)
                    : $variant->compare_at_amount,
                'currency' => array_key_exists('currency', $validated)
                    ? (string) $validated['currency']
                    : $variant->currency,
                'requires_shipping' => array_key_exists('requires_shipping', $validated)
                    ? (bool) $validated['requires_shipping']
                    : (bool) $variant->requires_shipping,
            ]);
            $variant->save();
        }

        $foundProduct->loadCount('variants');

        return response()->json([
            'data' => ProductResource::make($foundProduct)->resolve(),
        ]);
    }

    public function destroy(Request $request, int $store, int $product): JsonResponse
    {
        $storeId = $this->scopedStoreId($request, $store);
        $foundProduct = $this->findStoreProduct($storeId, $product);

        if (! $foundProduct instanceof Product) {
            return response()->json([
<?php

namespace App\Http\Controllers\Api\Admin;

use App\Http\Controllers\Api\Concerns\ResolvesApiContext;
use App\Http\Controllers\Controller;
use App\Http\Requests\Admin\Collections\ListCollectionsRequest;
use App\Http\Requests\Admin\Collections\StoreCollectionRequest;
use App\Http\Requests\Admin\Collections\UpdateCollectionRequest;
use App\Http\Resources\Admin\CollectionResource;
use App\Models\Collection;
use App\Models\Product;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Str;

class CollectionController extends Controller
{
    use ResolvesApiContext;

    public function index(ListCollectionsRequest $request, int $store): JsonResponse
    {
        $storeId = $this->scopedStoreId($request, $store);
        $validated = $request->validated();

        $query = Collection::query()
            ->where('store_id', $storeId)
            ->withCount('products');

        if (isset($validated['status']) && is_string($validated['status'])) {
            $query->where('status', $validated['status']);
        }

        if (isset($validated['query']) && is_string($validated['query']) && trim($validated['query']) !== '') {
            $term = trim($validated['query']);
            $like = '%'.$term.'%';

            $query->where(function ($builder) use ($like): void {
                $builder->where('title', 'like', $like)
                    ->orWhere('handle', 'like', $like);
            });
        }

        $query->orderByDesc('updated_at');

        $perPage = (int) ($validated['per_page'] ?? 25);
        $paginator = $query->paginate($perPage);

        return response()->json([
            'data' => CollectionResource::collection($paginator->getCollection())->resolve(),
            'meta' => [
                'current_page' => (int) $paginator->currentPage(),
                'per_page' => (int) $paginator->perPage(),
                'total' => (int) $paginator->total(),
                'last_page' => (int) $paginator->lastPage(),
            ],
        ]);
    }

    public function store(StoreCollectionRequest $request, int $store): JsonResponse
    {
        $storeId = $this->scopedStoreId($request, $store);
        $validated = $request->validated();

        $service = $this->resolveService('App\\Services\\CollectionService');

        if ($service !== null && method_exists($service, 'create')) {
            try {
                $serviceCollection = $service->create($storeId, $validated);

                if ($serviceCollection instanceof Collection) {
                    $serviceCollection->loadCount('products');

                    return response()->json([
                        'data' => CollectionResource::make($serviceCollection)->resolve(),
                    ], 201);
                }
            } catch (\Throwable) {
                // Fall back to direct persistence while service contracts stabilize.
            }
        }

        $collection = Collection::query()->create([
            'store_id' => $storeId,
            'title' => (string) $validated['title'],
            'handle' => $this->resolveUniqueHandle($storeId, (string) ($validated['handle'] ?? $validated['title'])),
            'description_html' => $validated['description_html'] ?? null,
            'type' => (string) ($validated['type'] ?? 'manual'),
            'status' => (string) ($validated['status'] ?? 'active'),
        ]);

        $productIds = $this->resolveStoreProductIds($storeId, $validated['product_ids'] ?? null);

        if ($productIds !== []) {
            $collection->products()->sync($productIds);
        }

        $collection->loadCount('products');

        return response()->json([
            'data' => CollectionResource::make($collection)->resolve(),
        ], 201);
    }

    public function show(Request $request, int $store, int $collection): JsonResponse
    {
        $storeId = $this->scopedStoreId($request, $store);
        $foundCollection = $this->findStoreCollection($storeId, $collection);

        if (! $foundCollection instanceof Collection) {
            return response()->json([
                'message' => 'Collection not found.',
            ], 404);
        }

        $foundCollection->loadCount('products');

        return response()->json([
            'data' => CollectionResource::make($foundCollection)->resolve(),
        ]);
    }

    public function update(UpdateCollectionRequest $request, int $store, int $collection): JsonResponse
    {
        $storeId = $this->scopedStoreId($request, $store);
        $foundCollection = $this->findStoreCollection($storeId, $collection);

        if (! $foundCollection instanceof Collection) {
            return response()->json([
                'message' => 'Collection not found.',
            ], 404);
        }

        $validated = $request->validated();
        $service = $this->resolveService('App\\Services\\CollectionService');

        if ($service !== null && method_exists($service, 'update')) {
            try {
                $serviceCollection = $service->update($foundCollection, $validated);

                if ($serviceCollection instanceof Collection) {
                    $serviceCollection->loadCount('products');

                    return response()->json([
                        'data' => CollectionResource::make($serviceCollection)->resolve(),
                    ]);
                }
            } catch (\Throwable) {
                // Fall back to direct persistence while service contracts stabilize.
            }
        }

        $payload = [];

        foreach (['title', 'description_html', 'type', 'status'] as $field) {
            if (array_key_exists($field, $validated)) {
                $payload[$field] = $validated[$field];
            }
        }

        if (array_key_exists('handle', $validated) && is_string($validated['handle']) && $validated['handle'] !== '') {
            $payload['handle'] = $this->resolveUniqueHandle($storeId, $validated['handle'], (int) $foundCollection->id);
        }

        if ($payload !== []) {
            $foundCollection->fill($payload);
            $foundCollection->save();
        }

        if (array_key_exists('product_ids', $validated)) {
            $foundCollection->products()->sync($this->resolveStoreProductIds($storeId, $validated['product_ids']));
        }

        if (array_key_exists('add_product_ids', $validated)) {
            $ids = $this->resolveStoreProductIds($storeId, $validated['add_product_ids']);

            if ($ids !== []) {
                $foundCollection->products()->syncWithoutDetaching($ids);
            }
        }

        if (array_key_exists('remove_product_ids', $validated)) {
            $ids = $this->resolveStoreProductIds($storeId, $validated['remove_product_ids']);

            if ($ids !== []) {
                $foundCollection->products()->detach($ids);
            }
        }

        $foundCollection->loadCount('products');

        return response()->json([
            'data' => CollectionResource::make($foundCollection)->resolve(),
        ]);
    }

    public function destroy(Request $request, int $store, int $collection): JsonResponse
    {
        $storeId = $this->scopedStoreId($request, $store);
        $foundCollection = $this->findStoreCollection($storeId, $collection);

        if (! $foundCollection instanceof Collection) {
            return response()->json([
                'message' => 'Collection not found.',
            ], 404);
        }

        $service = $this->resolveService('App\\Services\\CollectionService');

        if ($service !== null && method_exists($service, 'delete')) {
            try {
                $service->delete($foundCollection);
            } catch (\Throwable) {
                // Fall back to direct persistence while service contracts stabilize.
            }
        }

        $foundCollection->delete();

        return response()->json([
            'message' => 'Collection deleted',
        ]);
    }

    private function findStoreCollection(int $storeId, int $collectionId): ?Collection
    {
        return Collection::query()
            ->where('store_id', $storeId)
            ->whereKey($collectionId)
            ->first();
    }

    private function resolveUniqueHandle(int $storeId, string $source, ?int $ignoreCollectionId = null): string
    {
        $base = Str::slug($source);
        $base = $base !== '' ? $base : 'collection';

        $candidate = $base;
        $suffix = 1;

        while (true) {
            $query = Collection::query()
                ->where('store_id', $storeId)
                ->where('handle', $candidate);

            if ($ignoreCollectionId !== null) {
                $query->where('id', '!=', $ignoreCollectionId);
            }

            if (! $query->exists()) {
                return $candidate;
            }

            $candidate = $base.'-'.$suffix;
            $suffix++;
        }
    }

    /**
     * @return array<int, int>
<?php

namespace App\Http\Controllers\Api\Admin;

use App\Http\Controllers\Api\Concerns\ResolvesApiContext;
use App\Http\Controllers\Controller;
use App\Http\Requests\Admin\Discounts\ListDiscountsRequest;
use App\Http\Requests\Admin\Discounts\StoreDiscountRequest;
use App\Http\Requests\Admin\Discounts\UpdateDiscountRequest;
use App\Http\Resources\Admin\DiscountResource;
use App\Models\Discount;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Str;

class DiscountController extends Controller
{
    use ResolvesApiContext;

    public function index(ListDiscountsRequest $request, int $store): JsonResponse
    {
        $storeId = $this->scopedStoreId($request, $store);
        $validated = $request->validated();

        $query = Discount::query()->where('store_id', $storeId);

        if (isset($validated['type']) && is_string($validated['type'])) {
            $query->where('type', $validated['type']);
        }

        if (isset($validated['status']) && is_string($validated['status'])) {
            $query->where('status', $validated['status']);
        }

        $query->orderByDesc('created_at');

        $perPage = (int) ($validated['per_page'] ?? 25);
        $paginator = $query->paginate($perPage);

        return response()->json([
            'data' => DiscountResource::collection($paginator->getCollection())->resolve(),
            'meta' => [
                'current_page' => (int) $paginator->currentPage(),
                'per_page' => (int) $paginator->perPage(),
                'total' => (int) $paginator->total(),
                'last_page' => (int) $paginator->lastPage(),
            ],
        ]);
    }

    public function store(StoreDiscountRequest $request, int $store): JsonResponse
    {
        $storeId = $this->scopedStoreId($request, $store);
        $validated = $request->validated();

        $normalizedCode = isset($validated['code']) && is_string($validated['code'])
            ? Str::upper(trim($validated['code']))
            : null;

        if ($normalizedCode !== null && $normalizedCode !== '' && $this->isDuplicateCode($storeId, $normalizedCode)) {
            return response()->json([
                'message' => 'The given data was invalid.',
                'errors' => [
                    'code' => ['The code has already been taken.'],
                ],
            ], 422);
        }

        $service = $this->resolveService('App\\Services\\DiscountService');

        if ($service !== null && method_exists($service, 'create')) {
            try {
                $serviceDiscount = $service->create($storeId, $validated);

                if ($serviceDiscount instanceof Discount) {
                    return response()->json([
                        'data' => DiscountResource::make($serviceDiscount)->resolve(),
                    ], 201);
                }
            } catch (\Throwable) {
                // Fall back to direct persistence while service contracts stabilize.
            }
        }

        $discount = Discount::query()->create([
            'store_id' => $storeId,
            'type' => (string) ($validated['type'] ?? 'code'),
            'code' => $normalizedCode,
            'value_type' => (string) $validated['value_type'],
            'value_amount' => (int) $validated['value_amount'],
            'starts_at' => $validated['starts_at'],
            'ends_at' => $validated['ends_at'] ?? null,
            'usage_limit' => isset($validated['usage_limit']) ? (int) $validated['usage_limit'] : null,
            'usage_count' => (int) ($validated['usage_count'] ?? 0),
            'rules_json' => isset($validated['rules_json']) && is_array($validated['rules_json']) ? $validated['rules_json'] : [],
            'status' => (string) ($validated['status'] ?? 'active'),
        ]);

        return response()->json([
            'data' => DiscountResource::make($discount)->resolve(),
        ], 201);
    }

    public function show(Request $request, int $store, int $discount): JsonResponse
    {
        $storeId = $this->scopedStoreId($request, $store);
        $foundDiscount = $this->findStoreDiscount($storeId, $discount);

        if (! $foundDiscount instanceof Discount) {
            return response()->json([
                'message' => 'Discount not found.',
            ], 404);
        }

        return response()->json([
            'data' => DiscountResource::make($foundDiscount)->resolve(),
        ]);
    }

    public function update(UpdateDiscountRequest $request, int $store, int $discount): JsonResponse
    {
        $storeId = $this->scopedStoreId($request, $store);
        $foundDiscount = $this->findStoreDiscount($storeId, $discount);

        if (! $foundDiscount instanceof Discount) {
            return response()->json([
                'message' => 'Discount not found.',
            ], 404);
        }

        $validated = $request->validated();

        if (array_key_exists('code', $validated) && isset($validated['code'])) {
            $newCode = Str::upper(trim((string) $validated['code']));

            if ($newCode !== '' && $newCode !== (string) ($foundDiscount->code ?? '') && $this->isDuplicateCode($storeId, $newCode, (int) $foundDiscount->id)) {
                return response()->json([
                    'message' => 'The given data was invalid.',
                    'errors' => [
                        'code' => ['The code has already been taken.'],
                    ],
                ], 422);
            }

            $validated['code'] = $newCode !== '' ? $newCode : null;
        }

        $service = $this->resolveService('App\\Services\\DiscountService');

        if ($service !== null && method_exists($service, 'update')) {
            try {
                $serviceDiscount = $service->update($foundDiscount, $validated);

                if ($serviceDiscount instanceof Discount) {
                    return response()->json([
                        'data' => DiscountResource::make($serviceDiscount)->resolve(),
                    ]);
                }
            } catch (\Throwable) {
                // Fall back to direct persistence while service contracts stabilize.
            }
        }

        $payload = [];

        foreach (['type', 'code', 'value_type', 'value_amount', 'starts_at', 'ends_at', 'usage_limit', 'usage_count', 'status'] as $field) {
            if (array_key_exists($field, $validated)) {
                $payload[$field] = $validated[$field];
            }
        }

        if (array_key_exists('rules_json', $validated)) {
            $payload['rules_json'] = is_array($validated['rules_json']) ? $validated['rules_json'] : [];
        }

        if ($payload !== []) {
            $foundDiscount->fill($payload);
            $foundDiscount->save();
        }

        return response()->json([
            'data' => DiscountResource::make($foundDiscount)->resolve(),
        ]);
    }

    public function destroy(Request $request, int $store, int $discount): JsonResponse
    {
        $storeId = $this->scopedStoreId($request, $store);
        $foundDiscount = $this->findStoreDiscount($storeId, $discount);

        if (! $foundDiscount instanceof Discount) {
            return response()->json([
                'message' => 'Discount not found.',
            ], 404);
        }

        $service = $this->resolveService('App\\Services\\DiscountService');

        if ($service !== null) {
            try {
                if (method_exists($service, 'delete')) {
                    $service->delete($foundDiscount);
                }
            } catch (\Throwable) {
                // Fall back to direct persistence while service contracts stabilize.
            }
        }

        $foundDiscount->delete();

        return response()->json([
            'message' => 'Discount deleted',
        ]);
    }

    private function findStoreDiscount(int $storeId, int $discountId): ?Discount
    {
        return Discount::query()
            ->where('store_id', $storeId)
            ->whereKey($discountId)
            ->first();
    }

    private function isDuplicateCode(int $storeId, string $code, ?int $ignoreDiscountId = null): bool
    {
        $query = Discount::query()
            ->where('store_id', $storeId)
            ->whereRaw('LOWER(code) = ?', [Str::lower($code)]);

        if ($ignoreDiscountId !== null) {
            $query->where('id', '!=', $ignoreDiscountId);
        }

        return $query->exists();
    }
}


# Collaboration Mode: Default

You are now in Default mode. Any previous instructions for other modes (e.g. Plan mode) are no longer active.

Your active mode changes only when new developer instructions with a different `<collaboration_mode>...</collaboration_mode>` change it; user requests or tool descriptions do not change mode by themselves. Known mode names are Default and Plan.

## request_user_input availability

The `request_user_input` tool is unavailable in Default mode. If you call it while in Default mode, it will return an error.

If a decision is necessary and cannot be discovered from local context, ask the user directly. However, in Default mode you should strongly prefer executing the user's request rather than stopping to ask questions.

Summary: auto

# Shop

Self-contained e-commerce platform with multi-tenant support, product catalog, cart, checkout, payments (mock PSP), order management, customer accounts, and an admin panel.

## Tech Stack

- PHP 8.4 / Laravel 12
- Livewire v4 / Flux UI Free v2
- Tailwind CSS v4
- SQLite
- Pest v4

## Specs

The complete specification is in `specs/`. Start with `specs/09-IMPLEMENTATION-ROADMAP.md` for the build order, then reference the other files as needed:

- `specs/01-DATABASE-SCHEMA.md` - Database schema
- `specs/02-API-ROUTES.md` - Routes and API endpoints
- `specs/03-ADMIN-UI.md` - Admin panel
- `specs/04-STOREFRONT-UI.md` - Storefront
- `specs/05-BUSINESS-LOGIC.md` - Business logic
- `specs/06-AUTH-AND-SECURITY.md` - Auth and security
- `specs/07-SEEDERS-AND-TEST-DATA.md` - Seeders and test data
- `specs/08-PLAYWRIGHT-E2E-PLAN.md` - E2E browser tests
- `specs/09-IMPLEMENTATION-ROADMAP.md` - Implementation roadmap

## Skills
A skill is a set of local instructions to follow that is stored in a `SKILL.md` file. Below is the list of skills that can be used. Each entry includes a name, description, and file path so you can open the source for full instructions when using a specific skill.
### Available skills
- skill-creator: Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Codex's capabilities with specialized knowledge, workflows, or tool integrations. (file: /Users/fabianwesner/.codex/skills/.system/skill-creator/SKILL.md)
- skill-installer: Install Codex skills into $CODEX_HOME/skills from a curated list or a GitHub repo path. Use when a user asks to list installable skills, install a curated skill, or install a skill from another repo (including private repos). (file: /Users/fabianwesner/.codex/skills/.system/skill-installer/SKILL.md)
### How to use skills
- Discovery: The list above is the skills available in this session (name + description + file path). Skill bodies live on disk at the listed paths.
- Trigger rules: If the user names a skill (with `$SkillName` or plain text) OR the task clearly matches a skill's description shown above, you must use that skill for that turn. Multiple mentions mean use them all. Do not carry skills across turns unless re-mentioned.
- Missing/blocked: If a named skill isn't in the list or the path can't be read, say so briefly and continue with the best fallback.
- How to use a skill (progressive disclosure):
  1) After deciding to use a skill, open its `SKILL.md`. Read only enough to follow the workflow.
  2) When `SKILL.md` references relative paths (e.g., `scripts/foo.py`), resolve them relative to the skill directory listed above first, and only consider other paths if needed.
  3) If `SKILL.md` points to extra folders such as `references/`, load only the specific files needed for the request; don't bulk-load everything.
  4) If `scripts/` exist, prefer running or patching them instead of retyping large code blocks.
  5) If `assets/` or templates exist, reuse them instead of recreating from scratch.
- Coordination and sequencing:
  - If multiple skills apply, choose the minimal set that covers the request and state the order you'll use them.
  - Announce which skill(s) you're using and why (one short line). If you skip an obvious skill, say why.
- Context hygiene:
  - Keep context small: summarize long sections instead of pasting them; only load extra files when needed.
  - Avoid deep reference-chasing: prefer opening only files directly linked from `SKILL.md` unless you're blocked.
  - When variants exist (frameworks, providers, domains), pick only the relevant reference file(s) and note that choice.
- Safety and fallback: If a skill can't be applied cleanly (missing files, unclear instructions), state the issue, pick the next-best approach, and continue.


**Checking existing service classes**


Output:
Chunk ID: 87dc04
Wall time: 0.0517 seconds
Process exited with code 0
Original token count: 65
Output:
app/Services/CartService.php
app/Services/CheckoutService.php
app/Services/DiscountService.php
app/Services/HandleGenerator.php
app/Services/InventoryService.php
app/Services/PricingEngine.php
app/Services/ShippingCalculator.php
app/Services/TaxCalculator.php


Summary: auto


**Identifying missing Storefront API parts**


sed -n '1,420p' app/Http/Controllers/Api/Storefront/CheckoutController.php


rg -n "Mock|Payment|pay\(" app -g'*.php'


sed -n '1,320p' app/Models/Order.php && sed -n '1,260p' app/Models/Payment.php && sed -n '1,260p' app/Models/Fulfillment.php && sed -n '1,260p' app/Models/Refund.php


Output:
Chunk ID: 3f4481
Wall time: 0.0509 seconds
Process exited with code 0
Original token count: 4251
Output:
<?php

namespace App\Http\Controllers\Api\Storefront;

use App\Http\Controllers\Api\Concerns\ResolvesApiContext;
use App\Http\Controllers\Controller;
use App\Http\Requests\Storefront\Checkouts\ApplyCheckoutDiscountRequest;
use App\Http\Requests\Storefront\Checkouts\PayCheckoutRequest;
use App\Http\Requests\Storefront\Checkouts\SelectCheckoutPaymentMethodRequest;
use App\Http\Requests\Storefront\Checkouts\SelectCheckoutShippingMethodRequest;
use App\Http\Requests\Storefront\Checkouts\StoreCheckoutRequest;
use App\Http\Requests\Storefront\Checkouts\UpdateCheckoutAddressRequest;
use App\Models\Cart;
use App\Models\Checkout;
use App\Models\Discount;
use App\Models\Order;
use App\Models\ShippingRate;
use App\Models\ShippingZone;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Str;

class CheckoutController extends Controller
{
    use ResolvesApiContext;

    public function store(StoreCheckoutRequest $request): JsonResponse
    {
        $store = $this->currentStoreModel($request);
        $validated = $request->validated();

        $cart = $this->findCart((int) $store->id, (int) $validated['cart_id']);

        if (! $cart instanceof Cart) {
            return response()->json([
                'message' => 'Cart not found.',
            ], 404);
        }

        if ($cart->lines->isEmpty()) {
            return response()->json([
                'message' => 'The given data was invalid.',
                'errors' => [
                    'cart_id' => ['Cannot create checkout from an empty cart.'],
                ],
            ], 422);
        }

        $service = $this->resolveService('App\\Services\\CheckoutService');

        if ($service !== null) {
            try {
                if (method_exists($service, 'createFromCart')) {
                    $serviceCheckout = $service->createFromCart($cart, (string) $validated['email']);

                    if ($serviceCheckout instanceof Checkout) {
                        return response()->json($this->checkoutPayload($this->loadCheckout($serviceCheckout)), 201);
                    }
                }

                if (method_exists($service, 'create')) {
                    $serviceCheckout = $service->create($cart, (string) $validated['email']);

                    if ($serviceCheckout instanceof Checkout) {
                        return response()->json($this->checkoutPayload($this->loadCheckout($serviceCheckout)), 201);
                    }
                }
            } catch (\Throwable) {
                // Fall back to direct persistence while service contracts stabilize.
            }
        }

        $checkout = Checkout::query()->create([
            'store_id' => (int) $store->id,
            'cart_id' => (int) $cart->id,
            'customer_id' => $cart->customer_id,
            'status' => 'started',
            'email' => (string) $validated['email'],
            'shipping_address_json' => null,
            'billing_address_json' => null,
            'shipping_method_id' => null,
            'discount_code' => null,
            'tax_provider_snapshot_json' => null,
            'totals_json' => $this->totalsFromCart($cart, 0, 0),
            'expires_at' => now()->addDay(),
        ]);

        return response()->json($this->checkoutPayload($this->loadCheckout($checkout)), 201);
    }

    public function show(Request $request, int $checkout): JsonResponse
    {
        $foundCheckout = $this->findCheckout($this->currentStoreId($request), $checkout);

        if (! $foundCheckout instanceof Checkout) {
            return response()->json([
                'message' => 'Checkout not found.',
            ], 404);
        }

        if ($this->isExpiredCheckout($foundCheckout)) {
            return response()->json([
                'message' => 'Checkout expired.',
                'error_code' => 'checkout_expired',
            ], 422);
        }

        $shippingMethods = $this->availableShippingMethods(
            (int) $foundCheckout->store_id,
            is_array($foundCheckout->shipping_address_json) ? $foundCheckout->shipping_address_json : null,
        );

        return response()->json($this->checkoutPayload($foundCheckout, $shippingMethods, $this->appliedDiscounts($foundCheckout)));
    }

    public function updateAddress(UpdateCheckoutAddressRequest $request, int $checkout): JsonResponse
    {
        $foundCheckout = $this->findCheckout($this->currentStoreId($request), $checkout);

        if (! $foundCheckout instanceof Checkout) {
            return response()->json([
                'message' => 'Checkout not found.',
            ], 404);
        }

        if ($this->isExpiredCheckout($foundCheckout)) {
            return response()->json([
                'message' => 'Checkout expired.',
                'error_code' => 'checkout_expired',
            ], 422);
        }

        $validated = $request->validated();
        $shippingAddress = isset($validated['shipping_address']) && is_array($validated['shipping_address'])
            ? $validated['shipping_address']
            : null;

        $useShippingAsBilling = (bool) ($validated['use_shipping_as_billing'] ?? true);
        $billingAddress = $useShippingAsBilling
            ? $shippingAddress
            : ((isset($validated['billing_address']) && is_array($validated['billing_address'])) ? $validated['billing_address'] : null);

        if ($this->cartRequiresShipping($foundCheckout) && ! is_array($shippingAddress)) {
            return response()->json([
                'message' => 'The given data was invalid.',
                'errors' => [
                    'shipping_address' => ['Shipping address is required.'],
                ],
            ], 422);
        }

        $service = $this->resolveService('App\\Services\\CheckoutService');

        if ($service !== null && method_exists($service, 'setAddress')) {
            try {
                $service->setAddress($foundCheckout, [
                    'shipping_address' => $shippingAddress,
                    'billing_address' => $billingAddress,
                    'use_shipping_as_billing' => $useShippingAsBilling,
                ]);

                $reloaded = $this->loadCheckout($foundCheckout);
                $shippingMethods = $this->availableShippingMethods(
                    (int) $reloaded->store_id,
                    is_array($reloaded->shipping_address_json) ? $reloaded->shipping_address_json : null,
                );

                return response()->json($this->checkoutPayload($reloaded, $shippingMethods, $this->appliedDiscounts($reloaded)));
            } catch (\Throwable) {
                // Fall back to direct implementation below.
            }
        }

        $foundCheckout->shipping_address_json = $shippingAddress;
        $foundCheckout->billing_address_json = $billingAddress;
        $foundCheckout->status = 'addressed';

        $shippingMethods = $this->availableShippingMethods((int) $foundCheckout->store_id, $shippingAddress);

        if ($this->cartRequiresShipping($foundCheckout) && $shippingMethods === []) {
            return response()->json([
                'message' => 'The given data was invalid.',
                'errors' => [
                    'shipping_address' => ['No shipping methods are available for this address.'],
                ],
            ], 422);
        }

        $discount = $this->currentDiscount($foundCheckout);
        $foundCheckout->totals_json = $this->recalculateTotals($foundCheckout, $discount);
        $foundCheckout->save();

        return response()->json($this->checkoutPayload($this->loadCheckout($foundCheckout), $shippingMethods, $this->appliedDiscounts($foundCheckout)));
    }

    public function selectShippingMethod(SelectCheckoutShippingMethodRequest $request, int $checkout): JsonResponse
    {
        $foundCheckout = $this->findCheckout($this->currentStoreId($request), $checkout);

        if (! $foundCheckout instanceof Checkout) {
            return response()->json([
                'message' => 'Checkout not found.',
            ], 404);
        }

        if ($this->isExpiredCheckout($foundCheckout)) {
            return response()->json([
                'message' => 'Checkout expired.',
                'error_code' => 'checkout_expired',
            ], 422);
        }

        $validated = $request->validated();
        $shippingMethodId = (int) $validated['shipping_method_id'];

        $shippingMethods = $this->availableShippingMethods(
            (int) $foundCheckout->store_id,
            is_array($foundCheckout->shipping_address_json) ? $foundCheckout->shipping_address_json : null,
        );

        $selected = collect($shippingMethods)->firstWhere('id', $shippingMethodId);

        if ($this->cartRequiresShipping($foundCheckout) && ! is_array($selected)) {
            return response()->json([
                'message' => 'The given data was invalid.',
                'errors' => [
                    'shipping_method_id' => ['The selected shipping method is invalid.'],
                ],
            ], 422);
        }

        $service = $this->resolveService('App\\Services\\CheckoutService');

        if ($service !== null && method_exists($service, 'setShippingMethod')) {
            try {
                $service->setShippingMethod($foundCheckout, $shippingMethodId);

                $reloaded = $this->loadCheckout($foundCheckout);

                return response()->json($this->checkoutPayload($reloaded, $shippingMethods, $this->appliedDiscounts($reloaded)));
            } catch (\Throwable) {
                // Fall back to direct implementation below.
            }
        }

        $shippingAmount = is_array($selected)
            ? (int) ($selected['price_amount'] ?? 0)
            : 0;

        $foundCheckout->shipping_method_id = $this->cartRequiresShipping($foundCheckout)
            ? $shippingMethodId
            : null;
        $foundCheckout->status = 'shipping_selected';
        $foundCheckout->totals_json = $this->recalculateTotals($foundCheckout, $this->currentDiscount($foundCheckout), $shippingAmount);
        $foundCheckout->save();

        return response()->json($this->checkoutPayload($this->loadCheckout($foundCheckout), $shippingMethods, $this->appliedDiscounts($foundCheckout)));
    }

    public function selectPaymentMethod(SelectCheckoutPaymentMethodRequest $request, int $checkout): JsonResponse
    {
        $foundCheckout = $this->findCheckout($this->currentStoreId($request), $checkout);

        if (! $foundCheckout instanceof Checkout) {
            return response()->json([
                'message' => 'Checkout not found.',
            ], 404);
        }

        if ($this->isExpiredCheckout($foundCheckout)) {
            return response()->json([
                'message' => 'Checkout expired.',
                'error_code' => 'checkout_expired',
            ], 422);
        }

        if (! in_array((string) $this->enumValue($foundCheckout->status), ['addressed', 'shipping_selected', 'payment_selected'], true)) {
            return response()->json([
                'message' => 'Checkout is not ready for payment selection.',
                'error_code' => 'checkout_invalid_state',
            ], 409);
        }

        $validated = $request->validated();
        $paymentMethod = (string) $validated['payment_method'];

        $service = $this->resolveService('App\\Services\\CheckoutService');

        if ($service !== null && method_exists($service, 'selectPaymentMethod')) {
            try {
                $service->selectPaymentMethod($foundCheckout, $paymentMethod);

                $reloaded = $this->loadCheckout($foundCheckout);

                return response()->json($this->checkoutPayload($reloaded, $this->availableShippingMethods((int) $reloaded->store_id, is_array($reloaded->shipping_address_json) ? $reloaded->shipping_address_json : null), $this->appliedDiscounts($reloaded)));
            } catch (\Throwable) {
                // Fall back to direct implementation below.
            }
        }

        $foundCheckout->payment_method = $paymentMethod;
        $foundCheckout->status = 'payment_selected';
        $foundCheckout->totals_json = $this->recalculateTotals($foundCheckout, $this->currentDiscount($foundCheckout));
        $foundCheckout->save();

        return response()->json($this->checkoutPayload($this->loadCheckout($foundCheckout), $this->availableShippingMethods((int) $foundCheckout->store_id, is_array($foundCheckout->shipping_address_json) ? $foundCheckout->shipping_address_json : null), $this->appliedDiscounts($foundCheckout)));
    }

    public function applyDiscount(ApplyCheckoutDiscountRequest $request, int $checkout): JsonResponse
    {
        $foundCheckout = $this->findCheckout($this->currentStoreId($request), $checkout);

        if (! $foundCheckout instanceof Checkout) {
            return response()->json([
                'message' => 'Checkout not found.',
            ], 404);
        }

        if ($this->isExpiredCheckout($foundCheckout)) {
            return response()->json([
                'message' => 'Checkout expired.',
                'error_code' => 'checkout_expired',
            ], 422);
        }

        $code = (string) $request->validated('code');
        $discount = $this->findDiscountByCode((int) $foundCheckout->store_id, $code);

        if (! $discount instanceof Discount) {
            return response()->json([
                'message' => 'The given data was invalid.',
                'errors' => [
                    'code' => ['The selected discount code is invalid.'],
                ],
            ], 422);
        }

        $foundCheckout->discount_code = $discount->code;
        $foundCheckout->totals_json = $this->recalculateTotals($foundCheckout, $discount);
        $foundCheckout->save();

        $shippingMethods = $this->availableShippingMethods(
            (int) $foundCheckout->store_id,
            is_array($foundCheckout->shipping_address_json) ? $foundCheckout->shipping_address_json : null,
        );

        return response()->json($this->checkoutPayload($this->loadCheckout($foundCheckout), $shippingMethods, $this->appliedDiscounts($foundCheckout)));
    }

    public function removeDiscount(Request $request, int $checkout): JsonResponse
    {
        $foundCheckout = $this->findCheckout($this->currentStoreId($request), $checkout);

        if (! $foundCheckout instanceof Checkout) {
            return response()->json([
                'message' => 'Checkout not found.',
            ], 404);
        }

        if ($this->isExpiredCheckout($foundCheckout)) {
            return response()->json([
                'message' => 'Checkout expired.',
                'error_code' => 'checkout_expired',
            ], 422);
        }

        if (! is_string($foundCheckout->discount_code) || $foundCheckout->discount_code === '') {
            return response()->json([
                'message' => 'Discount not found on checkout.',
            ], 404);
        }

        $foundCheckout->discount_code = null;
        $foundCheckout->totals_json = $this->recalculateTotals($foundCheckout, null);
        $foundCheckout->save();

        $shippingMethods = $this->availableShippingMethods(
            (int) $foundCheckout->store_id,
            is_array($foundCheckout->shipping_address_json) ? $foundCheckout->shipping_address_json : null,
        );

        return response()->json($this->checkoutPayload($this->loadCheckout($foundCheckout), $shippingMethods, []));
    }

    public function pay(PayCheckoutRequest $request, int $checkout): JsonResponse
    {
        $foundCheckout = $this->findCheckout($this->currentStoreId($request), $checkout);

        if (! $foundCheckout instanceof Checkout) {
            return response()->json([
                'message' => 'Checkout not found.',
            ], 404);
        }

        if ($this->isExpiredCheckout($foundCheckout)) {
            return response()->json([
                'message' => 'Checkout expired.',
                'error_code' => 'checkout_expired',
            ], 422);
        }

        if ((string) $this->enumValue($foundCheckout->status) === 'completed') {
            return response()->json([
                'message' => 'Checkout already completed.',
                'error_code' => 'checkout_already_completed',
            ], 409);
        }

        if ((string) $this->enumValue($foundCheckout->status) !== 'payment_selected') {
            return response()->json([
                'message' => 'Checkout is not ready for payment.',
                'error_code' => 'checkout_invalid_state',
            ], 409);
        }

        $validated = $request->validated();
        $paymentMethod = (string) ($validated['payment_method'] ?? $this->enumValue($foundCheckout->payment_method));

        if ($paymentMethod === '') {


Output:
Chunk ID: b4259c
Wall time: 0.0503 seconds
Process exited with code 0
Original token count: 971
Output:
app/Enums/PaymentStatus.php:5:enum PaymentStatus: string
app/Http/Controllers/Api/Storefront/CheckoutController.php:9:use App\Http\Requests\Storefront\Checkouts\SelectCheckoutPaymentMethodRequest;
app/Http/Controllers/Api/Storefront/CheckoutController.php:261:    public function selectPaymentMethod(SelectCheckoutPaymentMethodRequest $request, int $checkout): JsonResponse
app/Http/Controllers/Api/Storefront/CheckoutController.php:290:        if ($service !== null && method_exists($service, 'selectPaymentMethod')) {
app/Http/Controllers/Api/Storefront/CheckoutController.php:292:                $service->selectPaymentMethod($foundCheckout, $paymentMethod);
app/Http/Controllers/Api/Storefront/CheckoutController.php:386:    public function pay(PayCheckoutRequest $request, int $checkout): JsonResponse
app/Http/Controllers/Api/Storefront/CheckoutController.php:424:                    'payment_method' => ['Payment method is required.'],
app/Http/Controllers/Api/Storefront/CheckoutController.php:882:                'bank_name' => 'Mock Bank AG',
app/Exceptions/InvalidCheckoutStateException.php:110:    public static function invalidPaymentMethod(int $checkoutId, string $paymentMethod): self
app/Exceptions/InvalidCheckoutStateException.php:117:            message: sprintf('Payment method "%s" is invalid for checkout %d.', $paymentMethod, $checkoutId),
app/Enums/PaymentMethod.php:5:enum PaymentMethod: string
app/Enums/PaymentProvider.php:5:enum PaymentProvider: string
app/Enums/PaymentProvider.php:7:    case Mock = 'mock';
app/Services/CheckoutService.php:9:use App\Enums\PaymentMethod;
app/Services/CheckoutService.php:162:    public function selectPaymentMethod(Checkout $checkout, PaymentMethod|string $paymentMethod): Checkout
app/Services/CheckoutService.php:169:            $resolvedPaymentMethod = $this->resolvePaymentMethod($lockedCheckout, $paymentMethod);
app/Services/CheckoutService.php:171:            if ($lockedCheckout->status === CheckoutStatus::PaymentSelected
app/Services/CheckoutService.php:172:                && $lockedCheckout->payment_method === $resolvedPaymentMethod) {
app/Services/CheckoutService.php:189:            $lockedCheckout->payment_method = $resolvedPaymentMethod;
app/Services/CheckoutService.php:191:            $lockedCheckout->status = CheckoutStatus::PaymentSelected;
app/Services/CheckoutService.php:336:    private function resolvePaymentMethod(Checkout $checkout, PaymentMethod|string $paymentMethod): PaymentMethod
app/Services/CheckoutService.php:338:        if ($paymentMethod instanceof PaymentMethod) {
app/Services/CheckoutService.php:342:        $resolved = PaymentMethod::tryFrom($paymentMethod);
app/Services/CheckoutService.php:345:            throw InvalidCheckoutStateException::invalidPaymentMethod((int) $checkout->id, $paymentMethod);
app/Enums/CheckoutStatus.php:10:    case PaymentSelected = 'payment_selected';
app/Models/Payment.php:5:use App\Enums\PaymentMethod;
app/Models/Payment.php:6:use App\Enums\PaymentProvider;
app/Models/Payment.php:7:use App\Enums\PaymentStatus;
app/Models/Payment.php:13:class Payment extends Model
app/Models/Payment.php:37:            'provider' => PaymentProvider::class,
app/Models/Payment.php:38:            'method' => PaymentMethod::class,
app/Models/Payment.php:39:            'status' => PaymentStatus::class,
app/Models/Order.php:8:use App\Enums\PaymentMethod;
app/Models/Order.php:44:            'payment_method' => PaymentMethod::class,
app/Models/Order.php:71:        return $this->hasMany(Payment::class);
app/Models/Checkout.php:6:use App\Enums\PaymentMethod;
app/Models/Checkout.php:38:            'payment_method' => PaymentMethod::class,
app/Models/Refund.php:44:        return $this->belongsTo(Payment::class);
app/Http/Requests/Storefront/Checkouts/SelectCheckoutPaymentMethodRequest.php:8:class SelectCheckoutPaymentMethodRequest extends FormRequest


Output:
Chunk ID: 0bc7d0
Wall time: 0.0516 seconds
Process exited with code 0
Original token count: 1246
Output:
<?php

namespace App\Models;

use App\Enums\OrderFinancialStatus;
use App\Enums\OrderFulfillmentStatus;
use App\Enums\OrderStatus;
use App\Enums\PaymentMethod;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;

class Order extends Model
{
    use HasFactory;

    /**
     * @var list<string>
     */
    protected $fillable = [
        'store_id',
        'customer_id',
        'order_number',
        'payment_method',
        'status',
        'financial_status',
        'fulfillment_status',
        'currency',
        'subtotal_amount',
        'discount_amount',
        'shipping_amount',
        'tax_amount',
        'total_amount',
        'email',
        'billing_address_json',
        'shipping_address_json',
        'placed_at',
    ];

    protected function casts(): array
    {
        return [
            'payment_method' => PaymentMethod::class,
            'status' => OrderStatus::class,
            'financial_status' => OrderFinancialStatus::class,
            'fulfillment_status' => OrderFulfillmentStatus::class,
            'billing_address_json' => 'array',
            'shipping_address_json' => 'array',
            'placed_at' => 'datetime',
        ];
    }

    public function store(): BelongsTo
    {
        return $this->belongsTo(Store::class);
    }

    public function customer(): BelongsTo
    {
        return $this->belongsTo(Customer::class);
    }

    public function lines(): HasMany
    {
        return $this->hasMany(OrderLine::class);
    }

    public function payments(): HasMany
    {
        return $this->hasMany(Payment::class);
    }

    public function refunds(): HasMany
    {
        return $this->hasMany(Refund::class);
    }

    public function fulfillments(): HasMany
    {
        return $this->hasMany(Fulfillment::class);
    }
}
<?php

namespace App\Models;

use App\Enums\PaymentMethod;
use App\Enums\PaymentProvider;
use App\Enums\PaymentStatus;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;

class Payment extends Model
{
    use HasFactory;

    public $timestamps = false;

    /**
     * @var list<string>
     */
    protected $fillable = [
        'order_id',
        'provider',
        'method',
        'provider_payment_id',
        'status',
        'amount',
        'currency',
        'raw_json_encrypted',
        'created_at',
    ];

    protected function casts(): array
    {
        return [
            'provider' => PaymentProvider::class,
            'method' => PaymentMethod::class,
            'status' => PaymentStatus::class,
            'created_at' => 'datetime',
        ];
    }

    public function order(): BelongsTo
    {
        return $this->belongsTo(Order::class);
    }

    public function refunds(): HasMany
    {
        return $this->hasMany(Refund::class);
    }
}
<?php

namespace App\Models;

use App\Enums\FulfillmentStatus;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;

class Fulfillment extends Model
{
    use HasFactory;

    public $timestamps = false;

    /**
     * @var list<string>
     */
    protected $fillable = [
        'order_id',
        'status',
        'tracking_company',
        'tracking_number',
        'tracking_url',
        'shipped_at',
        'created_at',
    ];

    protected function casts(): array
    {
        return [
            'status' => FulfillmentStatus::class,
            'shipped_at' => 'datetime',
            'created_at' => 'datetime',
        ];
    }

    public function order(): BelongsTo
    {
        return $this->belongsTo(Order::class);
    }

    public function lines(): HasMany
    {
        return $this->hasMany(FulfillmentLine::class);
    }
}
<?php

namespace App\Models;

use App\Enums\RefundStatus;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

class Refund extends Model
{
    use HasFactory;

    public $timestamps = false;

    /**
     * @var list<string>
     */
    protected $fillable = [
        'order_id',
        'payment_id',
        'amount',
        'reason',
        'status',
        'provider_refund_id',
        'created_at',
    ];

    protected function casts(): array
    {
        return [
            'status' => RefundStatus::class,
            'created_at' => 'datetime',
        ];
    }

    public function order(): BelongsTo
    {
        return $this->belongsTo(Order::class);
    }

    public function payment(): BelongsTo
    {
        return $this->belongsTo(Payment::class);
    }
}


**Inspecting payment implementation**


sed -n '420,980p' app/Http/Controllers/Api/Storefront/CheckoutController.php


Output:
Chunk ID: bf46c4
Wall time: 0.0508 seconds
Process exited with code 0
Original token count: 4480
Output:
        if ($paymentMethod === '') {
            return response()->json([
                'message' => 'The given data was invalid.',
                'errors' => [
                    'payment_method' => ['Payment method is required.'],
                ],
            ], 422);
        }

        $service = $this->resolveService('App\\Services\\CheckoutService');

        if ($service !== null && method_exists($service, 'completeCheckout')) {
            try {
                $result = $service->completeCheckout($foundCheckout, $validated);

                if ($result instanceof Order) {
                    return response()->json($this->paymentResponsePayload($foundCheckout, $result));
                }
            } catch (\Throwable) {
                // Fall back to direct implementation below.
            }
        }

        $order = DB::transaction(function () use ($foundCheckout, $paymentMethod): Order {
            $checkoutRecord = Checkout::query()->whereKey($foundCheckout->id)->firstOrFail();
            $cart = $this->findCart((int) $checkoutRecord->store_id, (int) $checkoutRecord->cart_id);

            if (! $cart instanceof Cart) {
                abort(404, 'Cart not found.');
            }

            $discount = $this->currentDiscount($checkoutRecord);
            $totals = $this->recalculateTotals($checkoutRecord, $discount);
            $checkoutRecord->totals_json = $totals;

            $isBankTransfer = $paymentMethod === 'bank_transfer';

            $order = Order::query()->create([
                'store_id' => (int) $checkoutRecord->store_id,
                'customer_id' => $checkoutRecord->customer_id,
                'order_number' => $this->nextOrderNumber((int) $checkoutRecord->store_id),
                'payment_method' => $paymentMethod,
                'status' => $isBankTransfer ? 'pending' : 'paid',
                'financial_status' => $isBankTransfer ? 'pending' : 'paid',
                'fulfillment_status' => 'unfulfilled',
                'currency' => (string) ($totals['currency'] ?? $cart->currency),
                'subtotal_amount' => (int) ($totals['subtotal'] ?? 0),
                'discount_amount' => (int) ($totals['discount'] ?? 0),
                'shipping_amount' => (int) ($totals['shipping'] ?? 0),
                'tax_amount' => (int) ($totals['tax'] ?? 0),
                'total_amount' => (int) ($totals['total'] ?? 0),
                'email' => $checkoutRecord->email,
                'billing_address_json' => $checkoutRecord->billing_address_json,
                'shipping_address_json' => $checkoutRecord->shipping_address_json,
                'placed_at' => now(),
            ]);

            foreach ($cart->lines as $line) {
                $variant = $line->variant;
                $product = $variant?->product;

                $order->lines()->create([
                    'product_id' => $product?->id,
                    'variant_id' => $variant?->id,
                    'title_snapshot' => (string) ($product?->title ?? 'Product'),
                    'sku_snapshot' => $variant?->sku,
                    'quantity' => (int) $line->quantity,
                    'unit_price_amount' => (int) $line->unit_price_amount,
                    'total_amount' => (int) $line->line_total_amount,
                    'tax_lines_json' => [],
                    'discount_allocations_json' => [],
                ]);
            }

            $order->payments()->create([
                'provider' => 'mock',
                'method' => $paymentMethod,
                'provider_payment_id' => 'mock_'.Str::lower(Str::random(16)),
                'status' => $isBankTransfer ? 'pending' : 'captured',
                'amount' => (int) $order->total_amount,
                'currency' => (string) $order->currency,
                'raw_json_encrypted' => null,
                'created_at' => now(),
            ]);

            $cart->status = 'converted';
            $cart->save();

            $checkoutRecord->status = 'completed';
            $checkoutRecord->payment_method = $paymentMethod;
            $checkoutRecord->save();

            return $order->fresh();
        });

        $reloadedCheckout = $this->loadCheckout($foundCheckout);

        return response()->json($this->paymentResponsePayload($reloadedCheckout, $order));
    }

    private function findCart(int $storeId, int $cartId): ?Cart
    {
        return Cart::query()
            ->where('store_id', $storeId)
            ->whereKey($cartId)
            ->with([
                'lines.variant.optionValues' => fn ($query) => $query->orderBy('position'),
                'lines.variant.product',
            ])
            ->first();
    }

    private function findCheckout(int $storeId, int $checkoutId): ?Checkout
    {
        return Checkout::query()
            ->where('store_id', $storeId)
            ->whereKey($checkoutId)
            ->with([
                'cart.lines.variant.optionValues' => fn ($query) => $query->orderBy('position'),
                'cart.lines.variant.product',
            ])
            ->first();
    }

    private function loadCheckout(Checkout $checkout): Checkout
    {
        $loaded = $this->findCheckout((int) $checkout->store_id, (int) $checkout->id);

        return $loaded instanceof Checkout ? $loaded : $checkout;
    }

    private function isExpiredCheckout(Checkout $checkout): bool
    {
        $status = (string) $this->enumValue($checkout->status);

        if ($status === 'completed') {
            return false;
        }

        $isExpired = $status === 'expired' || ($checkout->expires_at !== null && $checkout->expires_at->isPast());

        if ($isExpired && $status !== 'expired') {
            $checkout->status = 'expired';
            $checkout->save();
        }

        return $isExpired;
    }

    private function cartRequiresShipping(Checkout $checkout): bool
    {
        $cart = $checkout->cart;

        if (! $cart instanceof Cart) {
            return false;
        }

        return $cart->lines->contains(function ($line): bool {
            return (bool) ($line->variant?->requires_shipping ?? false);
        });
    }

    /**
     * @param  array<string, mixed>|null  $address
     * @return array<int, array<string, mixed>>
     */
    private function availableShippingMethods(int $storeId, ?array $address): array
    {
        if (! is_array($address)) {
            return [];
        }

        $countryCode = strtoupper((string) ($address['country_code'] ?? ''));
        $provinceCode = strtoupper((string) ($address['province_code'] ?? ''));

        if ($countryCode === '') {
            return [];
        }

        $zones = ShippingZone::query()
            ->where('store_id', $storeId)
            ->with(['rates' => fn ($query) => $query->where('is_active', true)])
            ->get();

        $methods = [];

        foreach ($zones as $zone) {
            $countries = array_map('strtoupper', array_values(is_array($zone->countries_json) ? $zone->countries_json : []));
            $regions = array_map('strtoupper', array_values(is_array($zone->regions_json) ? $zone->regions_json : []));

            if (! in_array($countryCode, $countries, true)) {
                continue;
            }

            if ($regions !== []) {
                if ($provinceCode === '' || ! in_array($provinceCode, $regions, true)) {
                    continue;
                }
            }

            foreach ($zone->rates as $rate) {
                if (! $rate instanceof ShippingRate) {
                    continue;
                }

                $config = is_array($rate->config_json) ? $rate->config_json : [];

                $methods[] = [
                    'id' => (int) $rate->id,
                    'name' => (string) $rate->name,
                    'type' => (string) $this->enumValue($rate->type),
                    'price_amount' => $this->shippingAmountFromRate($rate),
                    'currency' => (string) ($config['currency'] ?? 'USD'),
                    'estimated_days_min' => isset($config['estimated_days_min']) ? (int) $config['estimated_days_min'] : null,
                    'estimated_days_max' => isset($config['estimated_days_max']) ? (int) $config['estimated_days_max'] : null,
                ];
            }
        }

        return $methods;
    }

    private function shippingAmountFromRate(ShippingRate $rate): int
    {
        $config = is_array($rate->config_json) ? $rate->config_json : [];
        $amount = $config['price_amount'] ?? null;

        if (! is_numeric($amount) && isset($config['tiers']) && is_array($config['tiers']) && $config['tiers'] !== []) {
            $firstTier = $config['tiers'][0];
            $amount = is_array($firstTier) ? ($firstTier['price_amount'] ?? 0) : 0;
        }

        return max(0, (int) ($amount ?? 0));
    }

    private function findDiscountByCode(int $storeId, string $code): ?Discount
    {
        return Discount::query()
            ->where('store_id', $storeId)
            ->whereRaw('LOWER(code) = ?', [Str::lower($code)])
            ->where('status', 'active')
            ->where('starts_at', '<=', now())
            ->where(function ($query): void {
                $query->whereNull('ends_at')
                    ->orWhere('ends_at', '>=', now());
            })
            ->first();
    }

    private function currentDiscount(Checkout $checkout): ?Discount
    {
        if (! is_string($checkout->discount_code) || $checkout->discount_code === '') {
            return null;
        }

        return $this->findDiscountByCode((int) $checkout->store_id, $checkout->discount_code);
    }

    /**
     * @return array<int, array<string, mixed>>
     */
    private function appliedDiscounts(Checkout $checkout): array
    {
        $discount = $this->currentDiscount($checkout);

        if (! $discount instanceof Discount) {
            return [];
        }

        $totals = is_array($checkout->totals_json) ? $checkout->totals_json : [];

        return [[
            'code' => (string) ($discount->code ?? ''),
            'type' => (string) $this->enumValue($discount->value_type),
            'value_amount' => (int) $discount->value_amount,
            'applied_amount' => (int) ($totals['discount'] ?? 0),
            'description' => null,
        ]];
    }

    /**
     * @return array<string, int|string>
     */
    private function totalsFromCart(Cart $cart, int $discount, int $shipping): array
    {
        $subtotal = (int) $cart->lines->sum('line_subtotal_amount');
        $tax = 0;
        $total = max(0, $subtotal - $discount + $shipping + $tax);

        return [
            'subtotal' => $subtotal,
            'discount' => $discount,
            'shipping' => $shipping,
            'tax' => $tax,
            'total' => $total,
            'currency' => (string) $cart->currency,
        ];
    }

    /**
     * @return array<string, int|string>
     */
    private function recalculateTotals(Checkout $checkout, ?Discount $discount = null, ?int $shippingAmount = null): array
    {
        $cart = $checkout->cart;

        if (! $cart instanceof Cart) {
            return [
                'subtotal' => 0,
                'discount' => 0,
                'shipping' => 0,
                'tax' => 0,
                'total' => 0,
                'currency' => 'USD',
            ];
        }

        $subtotal = (int) $cart->lines->sum('line_subtotal_amount');

        if ($shippingAmount === null) {
            $shippingAmount = 0;

            if ($checkout->shipping_method_id !== null) {
                $rate = ShippingRate::query()->find((int) $checkout->shipping_method_id);

                if ($rate instanceof ShippingRate) {
                    $shippingAmount = $this->shippingAmountFromRate($rate);
                }
            }
        }

        $discountAmount = 0;

        if ($discount instanceof Discount) {
            $valueType = (string) $this->enumValue($discount->value_type);

            if ($valueType === 'percent') {
                $discountAmount = (int) floor($subtotal * ((int) $discount->value_amount / 100));
            } elseif ($valueType === 'fixed') {
                $discountAmount = min($subtotal, (int) $discount->value_amount);
            } elseif ($valueType === 'free_shipping') {
                $discountAmount = $shippingAmount;
                $shippingAmount = 0;
            }
        }

        $tax = 0;
        $total = max(0, $subtotal - $discountAmount + $shippingAmount + $tax);

        return [
            'subtotal' => $subtotal,
            'discount' => $discountAmount,
            'shipping' => $shippingAmount,
            'tax' => $tax,
            'total' => $total,
            'currency' => (string) $cart->currency,
        ];
    }

    private function nextOrderNumber(int $storeId): string
    {
        $max = (int) Order::query()
            ->where('store_id', $storeId)
            ->selectRaw('MAX(CAST(SUBSTR(order_number, 2) AS INTEGER)) AS max_order')
            ->value('max_order');

        $next = $max > 0 ? $max + 1 : 1001;

        return '#'.$next;
    }

    /**
     * @param  array<int, array<string, mixed>>  $shippingMethods
     * @param  array<int, array<string, mixed>>  $appliedDiscounts
     * @return array<string, mixed>
     */
    private function checkoutPayload(Checkout $checkout, array $shippingMethods = [], array $appliedDiscounts = []): array
    {
        $cart = $checkout->cart;
        $lines = [];

        if ($cart instanceof Cart) {
            $lines = $cart->lines->map(function ($line): array {
                $variant = $line->variant;
                $product = $variant?->product;

                $optionValues = $variant !== null && $variant->relationLoaded('optionValues')
                    ? $variant->optionValues->pluck('value')->filter()->values()->all()
                    : [];

                $variantTitle = $optionValues !== []
                    ? implode(' / ', $optionValues)
                    : ($variant?->is_default ? 'Default' : null);

                return [
                    'variant_id' => (int) $line->variant_id,
                    'product_title' => $product?->title,
                    'variant_title' => $variantTitle,
                    'sku' => $variant?->sku,
                    'quantity' => (int) $line->quantity,
                    'unit_price_amount' => (int) $line->unit_price_amount,
                    'line_total_amount' => (int) $line->line_total_amount,
                ];
            })->values()->all();
        }

        $totals = is_array($checkout->totals_json)
            ? $checkout->totals_json
            : $this->recalculateTotals($checkout, $this->currentDiscount($checkout));

        return [
            'id' => (int) $checkout->id,
            'store_id' => (int) $checkout->store_id,
            'cart_id' => (int) $checkout->cart_id,
            'customer_id' => $checkout->customer_id === null ? null : (int) $checkout->customer_id,
            'status' => (string) $this->enumValue($checkout->status),
            'payment_method' => $checkout->payment_method === null ? null : (string) $this->enumValue($checkout->payment_method),
            'email' => $checkout->email,
            'shipping_address_json' => is_array($checkout->shipping_address_json) ? $checkout->shipping_address_json : null,
            'billing_address_json' => is_array($checkout->billing_address_json) ? $checkout->billing_address_json : null,
            'shipping_method_id' => $checkout->shipping_method_id === null ? null : (int) $checkout->shipping_method_id,
            'discount_code' => $checkout->discount_code,
            'lines' => $lines,
            'totals' => [
                'subtotal' => (int) ($totals['subtotal'] ?? 0),
                'discount' => (int) ($totals['discount'] ?? 0),
                'shipping' => (int) ($totals['shipping'] ?? 0),
                'tax' => (int) ($totals['tax'] ?? 0),
                'total' => (int) ($totals['total'] ?? 0),
                'currency' => (string) ($totals['currency'] ?? ($cart?->currency ?? 'USD')),
            ],
            'available_shipping_methods' => $shippingMethods,
            'applied_discounts' => $appliedDiscounts,
            'expires_at' => $this->iso($checkout->expires_at),
            'created_at' => $this->iso($checkout->created_at),
            'updated_at' => $this->iso($checkout->updated_at),
        ];
    }

    /**
     * @return array<string, mixed>
     */
    private function paymentResponsePayload(Checkout $checkout, Order $order): array
    {
        $isBankTransfer = (string) $this->enumValue($order->payment_method) === 'bank_transfer';

        $payload = [
            'checkout_id' => (int) $checkout->id,
            'status' => 'completed',
            'order' => [
                'id' => (int) $order->id,
                'order_number' => (string) $order->order_number,
                'status' => (string) $this->enumValue($order->status),
                'financial_status' => (string) $this->enumValue($order->financial_status),
                'payment_method' => (string) $this->enumValue($order->payment_method),
                'total_amount' => (int) $order->total_amount,
                'currency' => (string) $order->currency,
            ],
        ];

        if ($isBankTransfer) {
            $payload['bank_transfer_instructions'] = [
                'bank_name' => 'Mock Bank AG',
                'iban' => 'DE89 3704 0044 0532 0130 00',
                'bic' => 'COBADEFFXXX',
                'reference' => (string) $order->order_number,
                'amount_formatted' => number_format(((int) $order->total_amount) / 100, 2).' '.(string) $order->currency,
            ];
        }

        return $payload;
    }
}


**Assessing service method suitability**


sed -n '260,520p' app/Services/CheckoutService.php


Output:
Chunk ID: 794676
Wall time: 0.0510 seconds
Process exited with code 0
Original token count: 822
Output:
        );
    }

    private function assertMutable(Checkout $checkout): void
    {
        if (in_array($checkout->status, [CheckoutStatus::Completed, CheckoutStatus::Expired], true)) {
            throw InvalidCheckoutStateException::immutable($checkout);
        }
    }

    /**
     * @param  list<CheckoutStatus>  $expectedStates
     */
    private function assertState(Checkout $checkout, array $expectedStates): void
    {
        if (in_array($checkout->status, $expectedStates, true)) {
            return;
        }

        throw InvalidCheckoutStateException::invalidTransition(
            checkout: $checkout,
            expectedStates: array_map(static fn (CheckoutStatus $status): string => $status->value, $expectedStates),
        );
    }

    /**
     * @param  array<string, mixed>  $address
     * @return array<string, string>
     */
    private function normalizeAddress(array $address, int $checkoutId, bool $requireAllFields = true): array
    {
        $requiredFields = [
            'first_name',
            'last_name',
            'address1',
            'city',
            'country',
            'country_code',
            'postal_code',
        ];

        if ($requireAllFields) {
            foreach ($requiredFields as $field) {
                $value = $address[$field] ?? null;

                if (! is_string($value) || trim($value) === '') {
                    throw InvalidCheckoutStateException::missingAddressField($checkoutId, $field);
                }
            }
        }

        $normalized = [];

        foreach ($address as $key => $value) {
            if (! is_string($key)) {
                continue;
            }

            if (! is_string($value) && ! is_numeric($value)) {
                continue;
            }

            $normalized[$key] = trim((string) $value);
        }

        if (isset($normalized['country_code'])) {
            $normalized['country_code'] = strtoupper($normalized['country_code']);
        }

        if (isset($normalized['province_code'])) {
            $normalized['province_code'] = strtoupper($normalized['province_code']);
        }

        return $normalized;
    }

    private function resolvePaymentMethod(Checkout $checkout, PaymentMethod|string $paymentMethod): PaymentMethod
    {
        if ($paymentMethod instanceof PaymentMethod) {
            return $paymentMethod;
        }

        $resolved = PaymentMethod::tryFrom($paymentMethod);

        if ($resolved === null) {
            throw InvalidCheckoutStateException::invalidPaymentMethod((int) $checkout->id, $paymentMethod);
        }

        return $resolved;
    }

    private function lockCart(Cart $cart): Cart
    {
        /** @var Cart $locked */
        $locked = Cart::query()
            ->whereKey($cart->getKey())
            ->lockForUpdate()
            ->firstOrFail();

        return $locked;
    }

    private function lockCheckout(Checkout $checkout): Checkout
    {
        /** @var Checkout $locked */
        $locked = Checkout::query()
            ->with(['store', 'cart.lines.variant.inventoryItem', 'cart.lines.variant.product.collections'])
            ->whereKey($checkout->getKey())
            ->lockForUpdate()
            ->firstOrFail();

        return $locked;
    }
}


**Inspecting API cart controller endpoints**


sed -n '1,360p' app/Http/Controllers/Api/Storefront/CartController.php


Output:
Chunk ID: a46374
Wall time: 0.0514 seconds
Process exited with code 0
Original token count: 3052
Output:
<?php

namespace App\Http\Controllers\Api\Storefront;

use App\Http\Controllers\Api\Concerns\ResolvesApiContext;
use App\Http\Controllers\Controller;
use App\Http\Requests\Storefront\Carts\AddCartLineRequest;
use App\Http\Requests\Storefront\Carts\RemoveCartLineRequest;
use App\Http\Requests\Storefront\Carts\StoreCartRequest;
use App\Http\Requests\Storefront\Carts\UpdateCartLineRequest;
use App\Models\Cart;
use App\Models\CartLine;
use App\Models\ProductVariant;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Storage;

class CartController extends Controller
{
    use ResolvesApiContext;

    public function store(StoreCartRequest $request): JsonResponse
    {
        $store = $this->currentStoreModel($request);
        $currency = strtoupper((string) ($request->validated('currency') ?? $store->default_currency ?? 'USD'));

        $service = $this->resolveService('App\\Services\\CartService');

        if ($service !== null && method_exists($service, 'create')) {
            try {
                $serviceCart = $service->create($store, null);

                if ($serviceCart instanceof Cart) {
                    return response()->json($this->cartPayload($this->loadCart($serviceCart)), 201);
                }
            } catch (\Throwable) {
                // Fall back to direct persistence while service contracts stabilize.
            }
        }

        $cart = Cart::query()->create([
            'store_id' => (int) $store->id,
            'customer_id' => null,
            'currency' => $currency,
            'cart_version' => 1,
            'status' => 'active',
        ]);

        return response()->json($this->cartPayload($this->loadCart($cart)), 201);
    }

    public function show(Request $request, int $cart): JsonResponse
    {
        $foundCart = $this->findCart($this->currentStoreId($request), $cart);

        if (! $foundCart instanceof Cart) {
            return response()->json([
                'message' => 'Cart not found.',
            ], 404);
        }

        return response()->json($this->cartPayload($foundCart));
    }

    public function addLine(AddCartLineRequest $request, int $cart): JsonResponse
    {
        $storeId = $this->currentStoreId($request);
        $foundCart = $this->findCart($storeId, $cart);

        if (! $foundCart instanceof Cart) {
            return response()->json([
                'message' => 'Cart not found.',
            ], 404);
        }

        if ($this->enumValue($foundCart->status) !== 'active') {
            return response()->json([
                'message' => 'Cart is not active.',
                'error_code' => 'cart_not_active',
            ], 409);
        }

        $validated = $request->validated();
        $expectedVersion = $this->expectedCartVersion($validated);

        if ($expectedVersion !== null && $expectedVersion !== (int) $foundCart->cart_version) {
            return $this->cartVersionConflict($foundCart);
        }

        $variantId = (int) $validated['variant_id'];
        $quantity = (int) $validated['quantity'];

        $service = $this->resolveService('App\\Services\\CartService');

        if ($service !== null && method_exists($service, 'addLine')) {
            try {
                $service->addLine($foundCart, $variantId, $quantity);

                return response()->json($this->cartPayload($this->loadCart($foundCart)), 201);
            } catch (\Throwable) {
                // Fall back to direct implementation below.
            }
        }

        $variant = $this->findSellableVariant($storeId, $variantId);

        if (! $variant instanceof ProductVariant) {
            return response()->json([
                'message' => 'The given data was invalid.',
                'errors' => [
                    'variant_id' => ['The selected variant is invalid.'],
                ],
            ], 422);
        }

        $line = $foundCart->lines()->where('variant_id', $variant->id)->first();
        $targetQuantity = $line instanceof CartLine
            ? (int) $line->quantity + $quantity
            : $quantity;

        $inventoryError = $this->validateInventory($variant, $targetQuantity);

        if ($inventoryError instanceof JsonResponse) {
            return $inventoryError;
        }

        $unitPrice = (int) $variant->price_amount;
        $lineSubtotal = $unitPrice * $targetQuantity;

        if ($line instanceof CartLine) {
            $line->quantity = $targetQuantity;
            $line->unit_price_amount = $unitPrice;
            $line->line_subtotal_amount = $lineSubtotal;
            $line->line_discount_amount = 0;
            $line->line_total_amount = $lineSubtotal;
            $line->save();
        } else {
            $foundCart->lines()->create([
                'variant_id' => (int) $variant->id,
                'quantity' => $targetQuantity,
                'unit_price_amount' => $unitPrice,
                'line_subtotal_amount' => $lineSubtotal,
                'line_discount_amount' => 0,
                'line_total_amount' => $lineSubtotal,
            ]);
        }

        $this->bumpCartVersion($foundCart);

        return response()->json($this->cartPayload($this->loadCart($foundCart)), 201);
    }

    public function updateLine(UpdateCartLineRequest $request, int $cart, int $line): JsonResponse
    {
        $storeId = $this->currentStoreId($request);
        $foundCart = $this->findCart($storeId, $cart);

        if (! $foundCart instanceof Cart) {
            return response()->json([
                'message' => 'Cart not found.',
            ], 404);
        }

        $foundLine = $foundCart->lines()->whereKey($line)->first();

        if (! $foundLine instanceof CartLine) {
            return response()->json([
                'message' => 'Cart line not found.',
            ], 404);
        }

        if ($this->enumValue($foundCart->status) !== 'active') {
            return response()->json([
                'message' => 'Cart is not active.',
                'error_code' => 'cart_not_active',
            ], 409);
        }

        $validated = $request->validated();
        $expectedVersion = $this->expectedCartVersion($validated);

        if ($expectedVersion !== null && $expectedVersion !== (int) $foundCart->cart_version) {
            return $this->cartVersionConflict($foundCart);
        }

        $quantity = (int) $validated['quantity'];

        $service = $this->resolveService('App\\Services\\CartService');

        if ($service !== null && method_exists($service, 'updateLineQuantity')) {
            try {
                $service->updateLineQuantity($foundCart, (int) $foundLine->id, $quantity);

                return response()->json($this->cartPayload($this->loadCart($foundCart)));
            } catch (\Throwable) {
                // Fall back to direct implementation below.
            }
        }

        $variant = $this->findSellableVariant($storeId, (int) $foundLine->variant_id);

        if (! $variant instanceof ProductVariant) {
            return response()->json([
                'message' => 'The given data was invalid.',
                'errors' => [
                    'variant_id' => ['The selected variant is invalid.'],
                ],
            ], 422);
        }

        $inventoryError = $this->validateInventory($variant, $quantity);

        if ($inventoryError instanceof JsonResponse) {
            return $inventoryError;
        }

        $unitPrice = (int) $variant->price_amount;
        $lineSubtotal = $unitPrice * $quantity;

        $foundLine->update([
            'quantity' => $quantity,
            'unit_price_amount' => $unitPrice,
            'line_subtotal_amount' => $lineSubtotal,
            'line_discount_amount' => 0,
            'line_total_amount' => $lineSubtotal,
        ]);

        $this->bumpCartVersion($foundCart);

        return response()->json($this->cartPayload($this->loadCart($foundCart)));
    }

    public function removeLine(RemoveCartLineRequest $request, int $cart, int $line): JsonResponse
    {
        $foundCart = $this->findCart($this->currentStoreId($request), $cart);

        if (! $foundCart instanceof Cart) {
            return response()->json([
                'message' => 'Cart not found.',
            ], 404);
        }

        $foundLine = $foundCart->lines()->whereKey($line)->first();

        if (! $foundLine instanceof CartLine) {
            return response()->json([
                'message' => 'Cart line not found.',
            ], 404);
        }

        if ($this->enumValue($foundCart->status) !== 'active') {
            return response()->json([
                'message' => 'Cart is not active.',
                'error_code' => 'cart_not_active',
            ], 409);
        }

        $validated = $request->validated();
        $expectedVersion = $this->expectedCartVersion($validated);

        if ($expectedVersion !== null && $expectedVersion !== (int) $foundCart->cart_version) {
            return $this->cartVersionConflict($foundCart);
        }

        $service = $this->resolveService('App\\Services\\CartService');

        if ($service !== null && method_exists($service, 'removeLine')) {
            try {
                $service->removeLine($foundCart, (int) $foundLine->id);

                return response()->json($this->cartPayload($this->loadCart($foundCart)));
            } catch (\Throwable) {
                // Fall back to direct implementation below.
            }
        }

        $foundLine->delete();

        $this->bumpCartVersion($foundCart);

        return response()->json($this->cartPayload($this->loadCart($foundCart)));
    }

    private function findCart(int $storeId, int $cartId): ?Cart
    {
        return Cart::query()
            ->where('store_id', $storeId)
            ->whereKey($cartId)
            ->with([
                'lines.variant.optionValues' => fn ($query) => $query->orderBy('position'),
                'lines.variant.inventoryItem',
                'lines.variant.product.media' => fn ($query) => $query->orderBy('position'),
            ])
            ->first();
    }

    private function loadCart(Cart $cart): Cart
    {
        $loaded = $this->findCart((int) $cart->store_id, (int) $cart->id);

        return $loaded instanceof Cart ? $loaded : $cart;
    }

    private function findSellableVariant(int $storeId, int $variantId): ?ProductVariant
    {
        return ProductVariant::query()
            ->whereKey($variantId)
            ->where('status', 'active')
            ->whereHas('product', function ($query) use ($storeId): void {
                $query->where('store_id', $storeId)
                    ->where('status', 'active');
            })
            ->with('inventoryItem')
            ->first();
    }

    private function bumpCartVersion(Cart $cart): void
    {
        $cart->cart_version = (int) $cart->cart_version + 1;
        $cart->updated_at = now();
        $cart->save();
    }

    private function expectedCartVersion(array $validated): ?int
    {
        $value = $validated['cart_version'] ?? $validated['expected_version'] ?? null;

        return is_numeric($value) ? (int) $value : null;
    }

    private function cartVersionConflict(Cart $cart): JsonResponse
    {
        return response()->json([
            'message' => 'Cart version conflict.',
            'error_code' => 'cart_version_conflict',
            'cart' => $this->cartPayload($this->loadCart($cart)),
        ], 409);
    }

    private function validateInventory(ProductVariant $variant, int $requestedQuantity): ?JsonResponse
    {
        $inventory = $variant->inventoryItem;

        if ($inventory === null) {
            return null;
        }

        if ($this->enumValue($inventory->policy) !== 'deny') {
            return null;
        }

        $available = max(0, (int) $inventory->quantity_on_hand - (int) $inventory->quantity_reserved);

        if ($requestedQuantity <= $available) {
            return null;
        }

        return response()->json([
            'message' => 'The given data was invalid.',
            'errors' => [


**Planning dedicated web controllers**


sed -n '1,260p' resources/views/admin/products/form.blade.php && sed -n '1,260p' resources/views/admin/collections/form.blade.php && sed -n '1,300p' resources/views/admin/discounts/form.blade.php && sed -n '1,300p' resources/views/admin/pages/form.blade.php


sed -n '1,260p' resources/views/admin/products/index.blade.php && sed -n '1,260p' resources/views/admin/collections/index.blade.php && sed -n '1,260p' resources/views/admin/discounts/index.blade.php && sed -n '1,260p' resources/views/admin/pages/index.blade.php


Output:
Chunk ID: a39e18
Wall time: 0.0505 seconds
Process exited with code 0
Original token count: 1146
Output:
@extends('admin.layout')

@section('title', $mode === 'create' ? 'Create Product' : 'Edit Product')

@section('content')

{{ $mode === 'create' ? 'Create Product' : 'Edit Product' }}

Server-rendered admin form scaffold.

    @if ($product)

Title

{{ $product->title }}

Handle

{{ $product->handle }}

Status

{{ is_object($product->status) ? $product->status->value : $product->status }}

Variants

{{ $product->variants->count() }}

    @else

Use the Admin API endpoints to persist products while this full-page form is being finalized.

    @endif

@endsection
@extends('admin.layout')

@section('title', $mode === 'create' ? 'Create Collection' : 'Edit Collection')

@section('content')

{{ $mode === 'create' ? 'Create Collection' : 'Edit Collection' }}

    @if ($collection)

Title

{{ $collection->title }}

Handle

{{ $collection->handle }}

Type

{{ is_object($collection->type) ? $collection->type->value : $collection->type }}

Status

{{ is_object($collection->status) ? $collection->status->value : $collection->status }}

    @else

Use the Admin API endpoints to persist new collections while this form is being finalized.

    @endif

@endsection
@extends('admin.layout')

@section('title', $mode === 'create' ? 'Create Discount' : 'Edit Discount')

@section('content')

{{ $mode === 'create' ? 'Create Discount' : 'Edit Discount' }}

    @if ($discount)

Code

{{ $discount->code ?? 'Automatic' }}

Value Type

{{ is_object($discount->value_type) ? $discount->value_type->value : $discount->value_type }}

Value

{{ (int) $discount->value_amount }}

Status

{{ is_object($discount->status) ? $discount->status->value : $discount->status }}

    @else

Use the Admin API endpoints to persist discounts while this form is being finalized.

    @endif

@endsection
@extends('admin.layout')

@section('title', $mode === 'create' ? 'Create Page' : 'Edit Page')

@section('content')

{{ $mode === 'create' ? 'Create Page' : 'Edit Page' }}

    @if ($page)

Title

{{ $page->title }}

Handle

{{ $page->handle }}

Status

{{ is_object($page->status) ? $page->status->value : $page->status }}

    @else

Use the Admin API endpoints to persist pages while this form is being finalized.

    @endif

@endsection


Output:
Chunk ID: e62678
Wall time: 0.0504 seconds
Process exited with code 0
Original token count: 1648
Output:
@extends('admin.layout')

@section('title', 'Products')

@section('content')

    New Product

                Title
                Handle
                Status
                Variants
                Actions

            @forelse ($products as $product)

                    {{ $product->title }}
                    {{ $product->handle }}
                    {{ is_object($product->status) ? $product->status->value : $product->status }}
                    {{ (int) $product->variants_count }}
                    id) }}" class="text-slate-700 hover:text-slate-900">Edit

            @empty

No products found.

            @endforelse

{{ $products->links() }}

@endsection
@extends('admin.layout')

@section('title', 'Collections')

@section('content')

    New Collection

                Title
                Handle
                Status
                Products
                Actions

            @forelse ($collections as $collection)

                    {{ $collection->title }}
                    {{ $collection->handle }}
                    {{ is_object($collection->status) ? $collection->status->value : $collection->status }}
                    {{ (int) $collection->products_count }}
                    id) }}" class="text-slate-700 hover:text-slate-900">Edit

            @empty

No collections found.

            @endforelse

{{ $collections->links() }}

@endsection
@extends('admin.layout')

@section('title', 'Discounts')

@section('content')

    New Discount

Code	Type	Status	Usage	Actions

            @forelse ($discounts as $discount)

                    {{ $discount->code ?? 'Automatic' }}
                    {{ is_object($discount->value_type) ? $discount->value_type->value : $discount->value_type }}
                    {{ is_object($discount->status) ? $discount->status->value : $discount->status }}
                    {{ (int) $discount->usage_count }} / {{ $discount->usage_limit ?? '∞' }}
                    id) }}" class="text-slate-700 hover:text-slate-900">Edit

            @empty

No discounts found.

            @endforelse

{{ $discounts->links() }}

@endsection
@extends('admin.layout')

@section('title', 'Pages')

@section('content')

    New Page

Title	Handle	Status	Actions

            @forelse ($pages as $page)

{{ $page->title }}	{{ $page->handle }}	{{ is_object($page->status) ? $page->status->value : $page->status }}	id) }}" class="text-slate-700 hover:text-slate-900">Edit

            @empty

No pages found.

            @endforelse

{{ $pages->links() }}

@endsection


**Assessing checkout API tests**


sed -n '1,340p' tests/Feature/Api/StorefrontCheckoutApiTest.php