fix: PayPal payment_method column length issue; add image model selection for storyboard; remove task restore popups; sync UserWork status on task failure

demo/src/main/java/com/example/demo/service/PaymentService.java

@@ -41,6 +41,9 @@ public class PaymentService {
     @Autowired
     private AlipayService alipayService;
     
+    @Autowired(required = false)
+    private PayPalService payPalService;
+    
     /**
      * 保存支付记录
      */
@@ -56,11 +59,11 @@ public class PaymentService {
     }
     
     /**
-     * 根据ID查找支付记录
+     * 根据ID查找支付记录（包含User信息，避免LazyInitializationException）
      */
     @Transactional(readOnly = true)
     public Optional<Payment> findById(Long id) {
-        return paymentRepository.findById(id);
+        return paymentRepository.findByIdWithUser(id);
     }
     
     /**
@@ -348,6 +351,24 @@ public class PaymentService {
                     logger.error("调用支付宝支付接口失败：", e);
                     // 不抛出异常，让前端处理
                 }
+            } else if (paymentMethod == PaymentMethod.PAYPAL) {
+                try {
+                    if (payPalService == null) {
+                        throw new RuntimeException("PayPal服务未配置");
+                    }
+                    Map<String, Object> paymentResult = payPalService.createPayment(savedPayment);
+                    if (paymentResult.containsKey("paymentUrl")) {
+                        savedPayment.setPaymentUrl(paymentResult.get("paymentUrl").toString());
+                    }
+                    if (paymentResult.containsKey("paypalPaymentId")) {
+                        savedPayment.setExternalTransactionId(paymentResult.get("paypalPaymentId").toString());
+                    }
+                    save(savedPayment);
+                    logger.info("PayPal支付链接生成成功: {}", paymentResult.get("paymentUrl"));
+                } catch (Exception e) {
+                    logger.error("调用PayPal支付接口失败：", e);
+                    throw new RuntimeException("创建PayPal支付失败: " + e.getMessage());
+                }
             }
             
             return savedPayment;