feat: queue-based graph engine

Signed-off-by: -LAN- <laipz8200@outlook.com>

api/events/event_handlers/update_provider_when_message_created.py

@@ -10,12 +10,12 @@ from sqlalchemy.orm import Session
 from configs import dify_config
 from core.app.entities.app_invoke_entities import AgentChatAppGenerateEntity, ChatAppGenerateEntity
 from core.entities.provider_entities import QuotaUnit, SystemConfiguration
-from core.plugin.entities.plugin import ModelProviderID
 from events.message_event import message_was_created
 from extensions.ext_database import db
 from libs import datetime_utils
 from models.model import Message
 from models.provider import Provider, ProviderType
+from models.provider_ids import ModelProviderID
 
 logger = logging.getLogger(__name__)