diff --git a/app/Services/ProductionService.php b/app/Services/ProductionService.php
index 16d73c4..9fc8416 100644
--- a/app/Services/ProductionService.php
+++ b/app/Services/ProductionService.php
@@ -455,6 +455,9 @@ class ProductionService
         $rows = ProductionIngredient::query()
             ->join('productions', 'productions.id', '=', 'production_ingredients.production_id')
             ->whereNull('productions.deleted_at')
+            // Prüfung 08.09.2026 F-01: Entwürfe sind nicht bestandswirksam — wie in
+            // InventoryService::remainingByIngredient(), sonst blockiert ein Entwurf die Charge.
+            ->where('productions.status', '!=', Production::STATUS_DRAFT)
             ->selectRaw('production_ingredients.stock_entry_id as stock_entry_id, SUM(production_ingredients.quantity_used) as used')
             ->whereIn('production_ingredients.stock_entry_id', $stockEntryIds)
             ->when($excludeProductionId !== null, fn ($q) => $q->where('production_ingredients.production_id', '!=', $excludeProductionId))
diff --git a/tests/Feature/ProductionDraftTest.php b/tests/Feature/ProductionDraftTest.php
index 0dbab9f..4b50d3a 100644
--- a/tests/Feature/ProductionDraftTest.php
+++ b/tests/Feature/ProductionDraftTest.php
@@ -215,3 +215,50 @@ test('AP-43: HTTP zwischenspeichern ohne ergebnis speichert entwurf; abschließe
         'quantity' => 3,
     ])->assertSessionHasErrors('outputs');
 });
+
+test('F-01: entwurf reduziert weder chargen- noch standortbestand und blockiert keine andere produktion', function () {
+    $user = draftUser();
+    $location = Location::factory()->create();
+    $supplier = Supplier::factory()->create();
+    $ing = draftIngredient();
+    $product = draftRecipeProduct($ing);
+    $stock = draftStock($ing, $location, $supplier, $user);
+
+    $draft = app(ProductionService::class)->store(
+        ['product_id' => $product->id, 'location_id' => $location->id, 'produced_at' => '2026-08-01', 'quantity' => 1, 'notes' => null],
+        [['ingredient_id' => $ing->id, 'stock_entry_id' => $stock->id, 'quantity_used' => '10']],
+        $user->id,
+        [['product_id' => $product->id, 'quantity' => 1, 'batch_number' => null]],
+        true // draft
+    );
+
+    $productionService = app(ProductionService::class);
+    $inventory = app(InventoryService::class);
+
+    // Chargenverbrauch ohne Ausschluss der eigenen Produktion — wie ihn andere Produktionen/Ausschuss sehen
+    expect($productionService->consumedByStockEntry([$stock->id]))->toBe([])
+        ->and((float) $productionService->availableStockEntriesForIngredient($ing->id, $location->id)->first()->getAttribute('remaining_quantity'))->toBe(1000.0)
+        ->and((float) $inventory->chargesWithRemainingForIngredient($ing->id)->first()->getAttribute('remaining_quantity'))->toBe(1000.0)
+        ->and((float) ($inventory->remainingByLocationForIngredient($ing->id)[$location->id] ?? 0.0))->toBe(1000.0);
+
+    // Eine zweite Produktion kann die komplette Charge trotz Entwurf buchen
+    $completed = $productionService->store(
+        ['product_id' => $product->id, 'location_id' => $location->id, 'produced_at' => '2026-08-02', 'quantity' => 100, 'notes' => null],
+        [['ingredient_id' => $ing->id, 'stock_entry_id' => $stock->id, 'quantity_used' => '1000']],
+        $user->id,
+        [['product_id' => $product->id, 'quantity' => 100, 'batch_number' => null]]
+    );
+
+    expect($completed->isDraft())->toBeFalse()
+        ->and($productionService->consumedByStockEntry([$stock->id])[$stock->id])->toBe(1000.0)
+        ->and($productionService->availableStockEntriesForIngredient($ing->id, $location->id))->toHaveCount(0);
+
+    // Ausschuss mit Charge: Entwurf darf die zulässige Menge nicht verkleinern (vor Abschluss der zweiten Produktion wäre 1000 g erlaubt)
+    $completed->delete();
+    $this->actingAs($user, 'user')
+        ->post(route('admin.inventory.stock-disposals.store'), [
+            'disposal_type' => 'ingredient', 'ingredient_id' => $ing->id, 'stock_entry_id' => $stock->id,
+            'location_id' => $location->id, 'quantity' => '1000', 'disposed_at' => '2026-08-03', 'reason' => 'Test',
+        ])
+        ->assertSessionHasNoErrors();
+});