Warenwirtschaft: AP-09 bis AP-13 (Produktbestand, Set-Produkte, Ausschuss, Konzepte)

- AP-09 Produktbestand inkl. Bewegungshistorie (product_stock_movements, ProductStockService)
- AP-10 Rohstoffbestand-Ansicht je Lager (RawMaterialStockController)
- AP-11 Bestandsschwellen / Out-of-Stock-Handling fuer Produkte und Shop
- AP-12 Ausgang/Ausschuss (stock_disposals, StockDisposalController, InventoryService)
- Set-Produkte (product_set_items) inkl. Aufloesung
- Produktentwicklung & Hinweise-Verwaltung (Notices)
- AP-13 Entwicklungskonzept Shop-Bestandsabzug im Plan dokumentiert
- Feature-Tests fuer neue Module + aktualisierter Entwicklungsplan

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/Feature/ProductionPhase5Test.php

@@ -81,6 +81,7 @@ test('production service stores ingredients and packaging snapshot', function ()
         'pos' => 0,
         'gram' => 10,
         'factor' => 1.0,
+        'recipe_type' => 'manufacturer',
     ]);
 
     $material = PackagingMaterial::factory()->create();
@@ -168,6 +169,7 @@ test('production service rejects wrong gram sum', function () {
         'pos' => 0,
         'gram' => 10,
         'factor' => 1.0,
+        'recipe_type' => 'manufacturer',
     ]);
 
     $stock = StockEntry::query()->create([
@@ -240,6 +242,7 @@ test('production api recipe json returns ingredients and packagings', function (
         'pos' => 0,
         'gram' => 2,
         'factor' => 1.5,
+        'recipe_type' => 'manufacturer',
     ]);
 
     StockEntry::query()->create([
@@ -300,6 +303,7 @@ test('production mhd warning when stock expires before product end', function ()
         'pos' => 0,
         'gram' => 1,
         'factor' => 1.0,
+        'recipe_type' => 'manufacturer',
     ]);
 
     $stock = StockEntry::query()->create([