feat: switch Query to langbot-plugin definition

pkg/platform/sources/slack.py

@@ -9,7 +9,6 @@ from libs.slack_api.api import SlackClient
 from pkg.platform.adapter import MessagePlatformAdapter
 from pkg.platform.types import events as platform_events, message as platform_message
 from libs.slack_api.slackevent import SlackEvent
-from pkg.core import app
 from .. import adapter
 from ..types import entities as platform_entities
 from ...command.errors import ParamNotEnoughError
@@ -86,15 +85,13 @@ class SlackEventConverter(adapter.EventConverter):
 
 class SlackAdapter(adapter.MessagePlatformAdapter):
     bot: SlackClient
-    ap: app.Application
     bot_account_id: str
     message_converter: SlackMessageConverter = SlackMessageConverter()
     event_converter: SlackEventConverter = SlackEventConverter()
     config: dict
 
-    def __init__(self, config: dict, ap: app.Application, logger: EventLogger):
+    def __init__(self, config: dict, logger: EventLogger):
         self.config = config
-        self.ap = ap
         self.logger = logger
         required_keys = [
             'bot_token',