Warenwirtschaft: F-02 — getrennter Produktkatalog für Ergebniszeilen

Planung oben bleibt auf produktionsrelevante Produkte gefiltert (AP-47);
Ergebniszeilen bieten alle aktiven Einzelprodukte plus bereits gespeicherte
Output-Produkte an (Bearbeiten/Kopieren verliert keine Zuordnung mehr).

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

app/Http/Controllers/Admin/Inventory/ProductionController.php

@@ -10,6 +10,7 @@ use App\Models\Production;
 use App\Repositories\ProductionRepository;
 use App\Services\ProductionService;
 use App\Services\ProductStockService;
+use Illuminate\Database\Eloquent\Collection;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\RedirectResponse;
 use Illuminate\Http\Request;
@@ -46,7 +47,7 @@ class ProductionController extends Controller
         $defaultProductId = (int) $request->query('product_id') ?: null;
 
         return view('admin.inventory.productions.create', [
-            'products' => Product::query()->where('active', 1)->where('is_set', false)->where('production_relevant', true)->orderBy('name')->get(['id', 'name', 'batch_prefix']),
+            ...$this->productCatalogs(null),
             'locations' => Location::query()->where('active', true)->orderBy('name')->get(),
             'defaultLocationId' => $defaultLocationId,
             'defaultProductId' => $defaultProductId,
@@ -159,10 +160,7 @@ class ProductionController extends Controller
 
         return view('admin.inventory.productions.edit', [
             'model' => $production,
-            'products' => Product::query()
+            ...$this->productCatalogs($production),
-                ->where(fn ($q) => $q->where('active', 1)->where('is_set', false)->where('production_relevant', true))
-                ->orWhere('id', $production->product_id)
-                ->orderBy('name')->get(['id', 'name', 'batch_prefix']),
             'locations' => Location::query()->where('active', true)->orderBy('name')->get(),
             'defaultLocationId' => $defaultLocationId,
         ]);
@@ -219,12 +217,44 @@ class ProductionController extends Controller
 
         return view('admin.inventory.productions.create', [
             'model' => $production,
-            'products' => Product::query()->where('active', 1)->where('is_set', false)->where('production_relevant', true)->orderBy('name')->get(['id', 'name', 'batch_prefix']),
+            ...$this->productCatalogs($production),
             'locations' => Location::query()->where('active', true)->orderBy('name')->get(),
             'defaultLocationId' => $defaultLocationId,
         ]);
     }
 
+    /**
+     * Prüfung 08.09.2026 F-02: Zwei getrennte Kataloge.
+     * - `products`: Planungsprodukt oben — nur produktionsrelevante Produkte (AP-47),
+     *   plus das bereits geplante Produkt einer bestehenden Produktion.
+     * - `outputProducts`: Ergebniszeilen — alle aktiven Einzelprodukte, unabhängig von
+     *   der Produktionsrelevanz (z. B. 5-ml-Variante aus der 50-ml-Masse), plus alle
+     *   bereits gespeicherten Ergebnisprodukte, damit sie beim Bearbeiten/Kopieren
+     *   nicht still verloren gehen.
+     *
+     * @return array{products: Collection<int, Product>, outputProducts: Collection<int, Product>}
+     */
+    private function productCatalogs(?Production $production): array
+    {
+        $columns = ['id', 'name', 'batch_prefix'];
+
+        $products = Product::query()
+            ->where(fn ($q) => $q->where('active', 1)->where('is_set', false)->where('production_relevant', true))
+            ->when($production !== null, fn ($q) => $q->orWhere('id', $production->product_id))
+            ->orderBy('name')
+            ->get($columns);
+
+        $existingOutputIds = $production?->outputs?->pluck('product_id')->map(fn ($id) => (int) $id)->all() ?? [];
+
+        $outputProducts = Product::query()
+            ->where(fn ($q) => $q->where('active', 1)->where('is_set', false))
+            ->when($existingOutputIds !== [], fn ($q) => $q->orWhereIn('id', $existingOutputIds))
+            ->orderBy('name')
+            ->get($columns);
+
+        return ['products' => $products, 'outputProducts' => $outputProducts];
+    }
+
     /**
      * Anforderung 15.07.2026: Produktionen löschbar (Soft-Delete).
      * Der gebuchte Produktbestand wird per Gegenbuchung zurückgeführt;

resources/views/admin/inventory/productions/_form_fields.blade.php

@@ -182,7 +182,7 @@
     <div class="form-row align-items-center mb-1 output-row">
         <div class="col-12 col-sm-5 mb-1">
             <select name="outputs[__INDEX__][product_id]" class="form-control form-control-sm output-product" required>
-                @foreach($products as $p)
+                @foreach(($outputProducts ?? $products) as $p)
                     <option value="{{ $p->id }}" data-batch-prefix="{{ $p->batch_prefix }}">{{ $p->name }}</option>
                 @endforeach
             </select>

tests/Feature/ProductionScalingTest.php

@@ -194,12 +194,62 @@ test('AP-47: produktions-auswahl zeigt nur produktionsrelevante produkte', funct
     psProduct(['name' => 'PS47-Sichtbar', 'no_recipe_required' => true, 'production_relevant' => true], $ing);
     psProduct(['name' => 'PS47-Versteckt', 'no_recipe_required' => true, 'production_relevant' => false], $ing);
 
-    $this->get(route('admin.inventory.productions.create'))
+    $html = $this->get(route('admin.inventory.productions.create'))
         ->assertSuccessful()
         ->assertSee('PS47-Sichtbar')
-        ->assertDontSee('PS47-Versteckt');
+        ->getContent();
+
+    // Planung oben: nur produktionsrelevante Produkte.
+    expect(psSelectHtml($html, 'id="product_id"'))->toContain('PS47-Sichtbar')->not->toContain('PS47-Versteckt')
+        // F-02: Ergebniszeilen: auch nicht-produktionsrelevante Produkte (5 ml aus der 50-ml-Masse).
+        ->and(psSelectHtml($html, 'class="form-control form-control-sm output-product"'))->toContain('PS47-Sichtbar')->toContain('PS47-Versteckt');
 });
 
+test('F-02: bearbeiten behält ein nicht mehr produktionsrelevantes ergebnisprodukt und speichert unverändert', function () {
+    $user = psUser();
+    $this->actingAs($user, 'user');
+    $ing = psIngredient('PS-F02');
+    $big = psProduct(['name' => 'PS-F02-50ml', 'no_recipe_required' => true, 'production_relevant' => true], $ing);
+    $small = psProduct(['name' => 'PS-F02-5ml', 'no_recipe_required' => true, 'production_relevant' => false], $ing);
+    $location = Location::factory()->create();
+
+    $production = app(ProductionService::class)->store(
+        ['product_id' => $big->id, 'location_id' => $location->id, 'produced_at' => '2026-09-01', 'quantity' => 50, 'notes' => null],
+        [],
+        $user->id,
+        [
+            ['product_id' => $big->id, 'quantity' => 40, 'batch_number' => 'B-50'],
+            ['product_id' => $small->id, 'quantity' => 50, 'batch_number' => 'B-5'],
+        ]
+    );
+
+    $html = $this->get(route('admin.inventory.productions.edit', $production))->assertSuccessful()->getContent();
+    expect(psSelectHtml($html, 'id="product_id"'))->not->toContain('PS-F02-5ml')
+        ->and(psSelectHtml($html, 'class="form-control form-control-sm output-product"'))->toContain('PS-F02-5ml');
+
+    $this->put(route('admin.inventory.productions.update', $production), [
+        'product_id' => $big->id, 'location_id' => $location->id, 'produced_at' => '2026-09-01', 'quantity' => 50,
+        'outputs' => [
+            ['product_id' => $big->id, 'quantity' => 40, 'batch_number' => 'B-50'],
+            ['product_id' => $small->id, 'quantity' => 50, 'batch_number' => 'B-5'],
+        ],
+    ])->assertSessionHasNoErrors();
+
+    expect($production->fresh()->outputs()->where('product_id', $small->id)->value('quantity'))->toBe(50);
+});
+
+/**
+ * Liefert das HTML eines <select>, identifiziert über ein eindeutiges Attribut im Start-Tag.
+ */
+function psSelectHtml(string $html, string $attribute): string
+{
+    $start = strpos($html, $attribute);
+    expect($start)->not->toBeFalse();
+    $end = strpos($html, '</select>', $start);
+
+    return substr($html, $start, $end - $start);
+}
+
 test('AP-47: enthalten-in blendet nicht-produktionsrelevante produkte aus', function () {
     $user = psUser();
     $this->actingAs($user, 'user');