perf: 支持在AI对话中直接引用任务提问

app/Models/ProjectTask.php

@@ -12,6 +12,7 @@ use App\Tasks\PushTask;
 use App\Exceptions\ApiException;
 use App\Observers\ProjectTaskObserver;
 use Hhxsv5\LaravelS\Swoole\Task\Task;
+use League\HTMLToMarkdown\HtmlConverter;
 use Illuminate\Database\Eloquent\SoftDeletes;
 
 /**
@@ -1869,6 +1870,66 @@ class ProjectTask extends AbstractModel
         return true;
     }
 
+    /**
+     * 生成AI上下文
+     * @return array
+     */
+    public function AIContext()
+    {
+        $contexts = [];
+        if ($this->archived_at) {
+            $contexts[] = "任务状态：已归档";
+            $contexts[] = "归档时间：" . $this->archived_at;
+        } elseif ($this->complete_at) {
+            $contexts[] = "任务状态：已完成";
+            $contexts[] = "完成时间：" . $this->complete_at;
+        } elseif ($this->end_at && Carbon::parse($this->end_at)->lt(Carbon::now())) {
+            $contexts[] = "任务状态：已过期";
+            $contexts[] = "任务截止时间：" . $this->end_at;
+        } else {
+            $contexts[] = "任务状态：进行中";
+            if ($this->start_at) {
+                $contexts[] = "任务开始时间：" . $this->start_at;
+            }
+            if ($this->end_at) {
+                $contexts[] = "任务截止时间：" . $this->end_at;
+            }
+        }
+        if ($this->content) {
+            $taskDesc = $this->content?->getContentInfo();
+            if ($taskDesc) {
+                $converter = new HtmlConverter(['strip_tags' => true]);
+                $descContent = Base::cutStr($converter->convert($taskDesc['content']), 2000);
+                $contexts[] = <<<EOF
+                    任务描述：
+                    ```md
+                    {$descContent}
+                    ```
+                    EOF;
+            }
+        }
+        $subTask = ProjectTask::select(['id', 'name', 'complete_at', 'end_at'])->whereParentId($this->id)->get();
+        if ($subTask->isNotEmpty()) {
+            $subTaskContent = $subTask->map(function($item) {
+                if ($item->complete_at) {
+                    $status = " （已完成）";
+                } elseif ($item->end_at && Carbon::parse($item->end_at)->lt(Carbon::now())) {
+                    $status = " （已过期）";
+                } else {
+                    $status = " （进行中）";
+                }
+                return "  - {$item->name} {$status}";
+            })->join("\n");
+            if ($subTaskContent) {
+                $contexts[] = <<<EOF
+                    子任务列表：
+                    {$subTaskContent}
+                    EOF;
+            }
+        }
+        return $contexts;
+    }
+
     /**
      * 获取任务
      * @param $task_id