fix(platform-orders): syncable_only filter should only apply when value is 1

app/Http/Controllers/Admin/PlatformOrderController.php

@@ -2244,7 +2244,7 @@ class PlatformOrderController extends Controller
                     $builder->whereRaw("JSON_UNQUOTE(JSON_EXTRACT(meta, '$.batch_mark_paid_and_activate_error.message')) LIKE ?", ['%' . $kw . '%']);
                 }
             })
-            ->when(($filters['syncable_only'] ?? '') !== '', function (Builder $builder) {
+            ->when(($filters['syncable_only'] ?? '') === '1', function (Builder $builder) {
                 // 只看可同步：已支付 + 已生效 + 尚未写入 subscription_activation.subscription_id
                 // 额外治理口径：排除（续费但未绑定订阅）的脏数据，避免误入可同步集合导致串单风险
                 $builder->where('payment_status', 'paid')