feat: 消息截断器

pkg/config/migrations/m009_msg_truncator_cfg.py

@@ -0,0 +1,24 @@
+from __future__ import annotations
+
+from .. import migration
+
+
+@migration.migration_class("msg-truncator-cfg-migration", 9)
+class MsgTruncatorConfigMigration(migration.Migration):
+    """迁移"""
+
+    async def need_migrate(self) -> bool:
+        """判断当前环境是否需要运行此迁移"""
+        return 'msg-truncate' not in self.ap.pipeline_cfg.data
+
+    async def run(self):
+        """执行迁移"""
+        
+        self.ap.pipeline_cfg.data['msg-truncate'] = {
+            'method': 'round',
+            'round': {
+                'max-round': 10
+            }
+        }
+
+        await self.ap.pipeline_cfg.dump_config()