ai-refactor(flow): 调整抽象流程节点实现和依赖路径

- 修改 AbstractProcessNode 中 ProcessContext 的命名空间引用为 app\flow\context\ProcessContext
- 引入 app\flow\vo\CanHandleResult 用于节点处理结果表示
- 更新前置策略执行后对成功状态的判断，改为调用 isSuccess() 方法
- 增加日志记录细节，便于调试策略执行中断时的错误信息
- 优化代码注释，提升代码可读性和维护性

app/flow/nodes/EndNode.php

@@ -2,9 +2,10 @@
 
 namespace app\flow\nodes;
 
-use app\flow\DbOperationType;
-use app\flow\ProcessContext;
-use app\flow\VoiceMessage;
+use app\flow\enum\DbOperationType;
+use app\flow\context\ProcessContext;
+use app\flow\enum\VoiceMessage;
+use app\flow\vo\CanHandleResult;
 
 /**
  * 结束节点
@@ -31,31 +32,30 @@ class EndNode extends AbstractProcessNode
     /**
      * 判断当前节点是否能处理该步骤
      */
-    public function canHandle(ProcessContext $context): bool
+    public function canHandle(ProcessContext $context): CanHandleResult
     {
         // 如果内镜未取出
-        if ($context->isInStorage) {
-            $context->expectedNextStep = VoiceMessage::PLEASE_SWIPE_STORAGE_OUT;
-            return false;
+        if ($context->getStorage()->isInStorage) {
+            return CanHandleResult::no(VoiceMessage::PLEASE_SWIPE_STORAGE_OUT);
         }
 
         if (!$this->isMatchReaderType($context)) {
-            if ($context->currentStep === DryNode::getName() && $context->currentStep === FinalRinseNode::getName()) {
-                $context->expectedNextStep = VoiceMessage::PLEASE_SWIPE_END;
+            if ($context->getCurrentStep() === DryNode::getName() && $context->getCurrentStep() === FinalRinseNode::getName()) {
+                return CanHandleResult::no(VoiceMessage::PLEASE_SWIPE_END);
             }
-            return false;
+            return CanHandleResult::no();
         }
 
         // 上一个步骤必须是干燥、终末漂洗或机洗
         $validSteps = ['干燥', '终末漂洗', '机洗'];
-        if ($this->isRequiredNode($context->currentStep, ['干燥', '终末漂洗', '机洗'])) {
-            if ($context->currentStep === FinalRinseNode::getName()) {
-                $context->expectedNextStep = VoiceMessage::PLEASE_SWIPE_WASH;
+        if ($this->isRequiredNode($context->getCurrentStep(), ['干燥', '终末漂洗', '机洗'])) {
+            if ($context->getCurrentStep() === FinalRinseNode::getName()) {
+                return CanHandleResult::no(VoiceMessage::PLEASE_SWIPE_WASH);
             }
-            return false;
+            return CanHandleResult::no();
         }
 
-        return true;
+        return CanHandleResult::yes();
     }
 
     /**
@@ -63,13 +63,11 @@ class EndNode extends AbstractProcessNode
      */
     protected function doHandle(ProcessContext $context): ProcessContext
     {
-        // 更新步骤
-        $context->currentStep = '结束';
-
-        $context->needDatabaseOperation = true;
-        $context->dbOperation = DbOperationType::INSERT;
-        $context->needWebSocketNotify = true;
-
-        return $context;
+        return $context->builder()
+            ->withCurrentStep('结束')
+            ->needDatabaseOperation()
+            ->dbOperation(DbOperationType::INSERT)
+            ->needWebSocketNotify()
+            ->build();
     }
 }