feat(ai): add AiTaskLoopTask timer and register to crontab

app/Http/Controllers/IndexController.php

@@ -23,6 +23,7 @@ use App\Tasks\CheckinRemindTask;
 use App\Tasks\CloseMeetingRoomTask;
 use App\Tasks\ManticoreSyncTask;
 use App\Tasks\UnclaimedTaskRemindTask;
+use App\Tasks\AiTaskLoopTask;
 use Hhxsv5\LaravelS\Swoole\Task\Task;
 use Laravolt\Avatar\Avatar;
 
@@ -273,6 +274,8 @@ class IndexController extends InvokeController
         Task::deliver(new CloseMeetingRoomTask());
         // Manticore Search 同步
         Task::deliver(new ManticoreSyncTask());
+        // AI 任务建议
+        Task::deliver(new AiTaskLoopTask());
 
         return "success";
     }

app/Tasks/AiTaskLoopTask.php

@@ -0,0 +1,119 @@
+<?php
+
+namespace App\Tasks;
+
+use App\Models\Apps;
+use App\Models\ProjectTask;
+use App\Models\ProjectTaskAiEvent;
+use App\Module\Base;
+use Carbon\Carbon;
+use Hhxsv5\LaravelS\Swoole\Task\Task;
+
+/**
+ * AI 任务建议定时任务
+ * 扫描新建任务并投递分析任务
+ */
+class AiTaskLoopTask extends AbstractTask
+{
+    /**
+     * 单次处理任务数量上限
+     */
+    const BATCH_SIZE = 5;
+
+    /**
+     * 任务创建后多久开始分析（秒）
+     */
+    const DELAY_SECONDS = 60;
+
+    public function __construct()
+    {
+        parent::__construct();
+    }
+
+    public function start()
+    {
+        // 检查 AI 插件是否安装
+        if (!Apps::isInstalled('ai')) {
+            return;
+        }
+
+        // 检查功能开关
+        if (Base::settingFind('aiAssistant', 'taskSuggestion') !== 'open') {
+            return;
+        }
+
+        // 查询待处理的任务
+        $tasks = $this->findPendingTasks();
+
+        foreach ($tasks as $task) {
+            // 为任务创建事件记录
+            $this->createEventRecords($task);
+
+            // 投递异步分析任务
+            Task::deliver(new AiTaskAnalyzeTask($task->id));
+        }
+    }
+
+    /**
+     * 查找待处理的任务
+     */
+    private function findPendingTasks(): \Illuminate\Support\Collection
+    {
+        $delayTime = Carbon::now()->subSeconds(self::DELAY_SECONDS);
+
+        // 子查询：已经有 AI 事件记录的任务
+        $processedTaskIds = ProjectTaskAiEvent::select('task_id')
+            ->distinct()
+            ->pluck('task_id');
+
+        // 查询新建任务（未处理过的）
+        $newTasks = ProjectTask::where('parent_id', 0) // 只处理主任务
+            ->whereNull('deleted_at')
+            ->whereNull('archived_at')
+            ->where('created_at', '<=', $delayTime) // 创建超过延迟时间
+            ->where('created_at', '>=', Carbon::now()->subDays(1)) // 只处理1天内的
+            ->whereNotNull('dialog_id') // 有对话ID
+            ->whereNotIn('id', $processedTaskIds)
+            ->orderBy('created_at', 'asc')
+            ->take(self::BATCH_SIZE)
+            ->get();
+
+        // 查询需要重试的任务（优先处理较早失败的）
+        $retryTaskIds = ProjectTaskAiEvent::where('status', ProjectTaskAiEvent::STATUS_FAILED)
+            ->where('retry_count', '<', ProjectTaskAiEvent::MAX_RETRY)
+            ->select('task_id')
+            ->distinct()
+            ->orderBy('updated_at', 'asc')
+            ->take(self::BATCH_SIZE - $newTasks->count())
+            ->pluck('task_id');
+
+        $retryTasks = ProjectTask::whereIn('id', $retryTaskIds)
+            ->whereNull('deleted_at')
+            ->get();
+
+        return $newTasks->merge($retryTasks)->take(self::BATCH_SIZE);
+    }
+
+    /**
+     * 为任务创建事件记录
+     */
+    private function createEventRecords(ProjectTask $task): void
+    {
+        foreach (ProjectTaskAiEvent::getEventTypes() as $eventType) {
+            ProjectTaskAiEvent::firstOrCreate(
+                [
+                    'task_id' => $task->id,
+                    'event_type' => $eventType,
+                ],
+                [
+                    'status' => ProjectTaskAiEvent::STATUS_PENDING,
+                    'retry_count' => 0,
+                ]
+            );
+        }
+    }
+
+    public function end()
+    {
+    }
+}