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/strategies/TimeValidationStrategy.php

@@ -4,9 +4,9 @@ namespace app\flow\strategies;
 
 use app\config\Config;
 use app\flow\config\TimeValidationConfig;
-use app\flow\ProcessContext;
+use app\flow\context\ProcessContext;
 use app\flow\nodes\ProcessNodeInterface;
-use app\flow\VoiceMessage;
+use app\flow\enum\VoiceMessage;
 use app\repository\ProcessDurationRepository;
 use app\utils\Logger;
 
@@ -63,8 +63,8 @@ class TimeValidationStrategy extends AbstractStrategy
     protected function doExecute(ProcessContext $context, ProcessNodeInterface $node): ProcessContext
     {
         $stepCode = $node->getCode();
-        $currentStep = $context->currentStep;
-        $processType = $context->processType;
+        $currentStep = $context->getCurrentStep();
+        $processType = $context->getProcessType();
 
         Logger::debug("开始执行时间验证策略，步骤：{$stepCode}，流程类型：{$processType}");
         $configDuration = $this->timeValidationConfig->getDuration($stepCode,$processType);
@@ -76,9 +76,9 @@ class TimeValidationStrategy extends AbstractStrategy
         } else {
             Logger::debug("步骤：{$stepCode}，流程类型：{$processType}，无配置时长，从数据库查询");
             // 从数据库按流程类型精确查询
-            $requiredDuration = $this->getDurationFromDb($stepCode, $context->processType);
+            $requiredDuration = $this->getDurationFromDb($stepCode, $context->getProcessType());
             if ($requiredDuration > 0) {
-                $context->setStepDuration($stepCode, $requiredDuration);
+                $context = $context->builder()->withStepDuration($stepCode, $requiredDuration)->build();
             } else {
                 // 最后使用上下文已缓存值
                 $requiredDuration = $context->getStepDuration($stepCode);
@@ -91,7 +91,7 @@ class TimeValidationStrategy extends AbstractStrategy
         }
 
         // 获取上次该步骤的操作时间
-        $duration = $context->duration;
+        $duration = $context->getDuration();
 
         // 没有上次记录（第一次操作），允许通过
         if (empty($duration)) {
@@ -105,7 +105,7 @@ class TimeValidationStrategy extends AbstractStrategy
                 $voice = VoiceMessage::NOT_ENOUGH_TIME->value;
                 $voice = str_replace('{step}', $stepCode, $voice);
                 $voice = str_replace('{time}', $requiredDuration - $duration, $voice);
-                $context->setCustomError($voice);
+                $context = $context->builder()->customError($voice)->build();
             }
             return $context;
         }
@@ -119,8 +119,8 @@ class TimeValidationStrategy extends AbstractStrategy
      */
     public function isApplicable(ProcessContext $context, ProcessNodeInterface $node): bool
     {
-        if ($context->currentStep != $context->previousAction->process_name) return false;
-        if (!$this->timeValidationConfig->hasStep($node->getCode(), $context->processType)) return false;
+        if ($context->getCurrentStep() != $context->getPreviousAction()?->process_name) return false;
+        if (!$this->timeValidationConfig->hasStep($node->getCode(), $context->getProcessType())) return false;
         return true;
     }