optimize technical truth

src/Config/ShopServiceConfig.php

@@ -201,6 +201,16 @@ final class ShopServiceConfig
         return $this->int('scores.accessory_query_device_product_bonus', 10);
     }
 
+    public function shouldFilterAccessoryProductsForDeviceQueries(): bool
+    {
+        return $this->bool('role_guard.filter_accessory_products_for_device_queries', true);
+    }
+
+    public function shouldKeepAmbiguousProductsForDeviceQueries(): bool
+    {
+        return $this->bool('role_guard.keep_ambiguous_products_for_device_queries', true);
+    }
+
     public function getContainsDigitPattern(): string
     {
         return $this->string('patterns.contains_digit', '/\d/u');
@@ -343,6 +353,29 @@ final class ShopServiceConfig
         return $this->string('deduplication.separator', '|');
     }
 
+    private function bool(string $path, bool $default): bool
+    {
+        $value = $this->value($path, $default);
+
+        if (is_bool($value)) {
+            return $value;
+        }
+
+        if (is_scalar($value)) {
+            $normalized = strtolower(trim((string) $value));
+
+            if (in_array($normalized, ['1', 'true', 'yes', 'on'], true)) {
+                return true;
+            }
+
+            if (in_array($normalized, ['0', 'false', 'no', 'off'], true)) {
+                return false;
+            }
+        }
+
+        return $default;
+    }
+
     private function int(string $path, int $default, int $min = PHP_INT_MIN): int
     {
         $value = $this->value($path, $default);