feat(timer): 新增并发数/触发节点/触发时间三字段及幂等分发

Scheme 定义 concurrency(nullable)/trigger_node_id/last_trigger_time 三字段，Model 声明属性，v2.3.0 分发代码幂等 ALTER 保证升级自动同步。

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

app/admin/model/SystemTimerConfig.php

@@ -13,6 +13,9 @@ use app\common\model\TimeModel;
  * @property string $last_execute_node 最后执行节点ID 
  * @property int $last_execute_time 最后执行时间戳 
  * @property int $manual_trigger 手动触发标记:0=未触发,1=已触发 0:未触发,1:已触发
+ * @property int|null $concurrency 并发数:NULL=继承代码默认
+ * @property string|null $trigger_node_id 手动触发目标节点ID
+ * @property int|null $last_trigger_time 手动触发设置时间戳,用于TTL自动复位
  * @property int $create_time 创建时间 
  */
 class SystemTimerConfig extends TimeModel

app/admin/scheme/SystemTimerConfig.php

@@ -43,6 +43,15 @@ class SystemTimerConfig extends BaseScheme
     #[Component(type: 'switch', options: ['未触发', '已触发'])]
     public $manual_trigger;
 
+    #[Field(type: 'int', length: 11, nullable: true, unsigned: true, comment: '并发数:NULL=继承代码默认')]
+    public $concurrency;
+
+    #[Field(type: 'varchar', length: 100, nullable: true, comment: '手动触发目标节点ID')]
+    public $trigger_node_id;
+
+    #[Field(type: 'int', length: 11, nullable: true, unsigned: true, comment: '手动触发设置时间戳,用于TTL自动复位')]
+    public $last_trigger_time;
+
     #[Field(type: 'int', length: 11, comment: '创建时间', unsigned: true)]
     #[Component(type: 'date', options: [])]
     public $create_time;