Extend shopify:import to handle Stück, Stangen and Default Title variants

Parses additional packaging formats from option1 and falls back to SKU
parsing for single-variant products with 'Default Title'.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/Console/Commands/ShopifyImport.php

@@ -33,21 +33,22 @@ class ShopifyImport extends Command
             foreach ($variants as $variant) {
                 $packingRaw = $variant['option1'];
 
-                // Format: "Standbodenbeutel 100 g" oder "Metalldose 40 g"
-                if (! preg_match('/^(.+?)\s+(\d+(?:[.,]\d+)?)\s*g$/i', $packingRaw, $m)) {
+                $parsed = $this->parsePacking($packingRaw, $variant['sku']);
+
+                if ($parsed === null) {
                     $this->warn("  ⚠ Verpackungsformat nicht erkannt: '{$packingRaw}' ({$variant['sku']}) – übersprungen");
                     $stats['skipped']++;
                     continue;
                 }
 
                 if ($dryRun) {
-                    $this->line("  {$variant['product_title']} | {$packingRaw} | SKU {$variant['sku']} | Bestand {$variant['inventory_quantity']}");
+                    $this->line("  {$variant['product_title']} | {$parsed['name']} {$parsed['size']} | SKU {$variant['sku']} | Bestand {$variant['inventory_quantity']}");
                     continue;
                 }
 
                 $packing = Packing::firstOrCreate([
-                    'name' => trim($m[1]),
-                    'size' => (float) str_replace(',', '.', $m[2]),
+                    'name' => $parsed['name'],
+                    'size' => $parsed['size'],
                 ]);
 
                 $product = Product::firstOrCreate(
@@ -100,4 +101,30 @@ class ShopifyImport extends Command
 
         return self::SUCCESS;
     }
+
+    private function parsePacking(string $option, string $sku): ?array
+    {
+        // "Standbodenbeutel 100 g" / "Metalldose 40 g"
+        if (preg_match('/^(.+?)\s+(\d+(?:[.,]\d+)?)\s*g$/i', $option, $m)) {
+            return ['name' => trim($m[1]), 'size' => (float) str_replace(',', '.', $m[2])];
+        }
+
+        // "Metalldose 5 Stück" / "Standbodenbeutel 3 Stück"
+        if (preg_match('/^(.+?)\s+(\d+)\s*Stück$/i', $option, $m)) {
+            return ['name' => trim($m[1]) . ' (Stück)', 'size' => (float) $m[2]];
+        }
+
+        // "1 Stange" / "3 Stangen" / "5 Stangen"
+        if (preg_match('/^(\d+)\s*Stangen?$/i', $option, $m)) {
+            return ['name' => 'Stangen', 'size' => (float) $m[1]];
+        }
+
+        // "Default Title" — Verpackung aus SKU ableiten: z.B. GWM-AAS-100SB → 100g Standbodenbeutel
+        if ($option === 'Default Title' && preg_match('/(\d+)(SB|MD|GT|BB)$/i', $sku, $m)) {
+            $names = ['SB' => 'Standbodenbeutel', 'MD' => 'Metalldose', 'GT' => 'Glas', 'BB' => 'Beutel'];
+            return ['name' => $names[strtoupper($m[2])], 'size' => (float) $m[1]];
+        }
+
+        return null;
+    }
 }