diff --git a/src/langbot/libs/wecom_ai_bot_api/api.py b/src/langbot/libs/wecom_ai_bot_api/api.py
index a33a5e7a2..785e82f28 100644
--- a/src/langbot/libs/wecom_ai_bot_api/api.py
+++ b/src/langbot/libs/wecom_ai_bot_api/api.py
@@ -17,6 +17,7 @@ from quart import Quart, request, Response, jsonify
 
 from langbot.libs.wecom_ai_bot_api import wecombotevent
 from langbot.libs.wecom_ai_bot_api.WXBizMsgCrypt3 import WXBizMsgCrypt
+
 if TYPE_CHECKING:
     from langbot.pkg.platform.logger import EventLogger
 from langbot.pkg.utils import httpclient
diff --git a/src/langbot/pkg/agent/runner/event_log_store.py b/src/langbot/pkg/agent/runner/event_log_store.py
index eb7277146..0212dc46e 100644
--- a/src/langbot/pkg/agent/runner/event_log_store.py
+++ b/src/langbot/pkg/agent/runner/event_log_store.py
@@ -1,4 +1,5 @@
 """EventLog store for writing and querying event records."""
+
 from __future__ import annotations
 
 import json
@@ -44,9 +45,7 @@ class EventLogStore:
 
     def __init__(self, engine: AsyncEngine):
         self.engine = engine
-        self._session_factory = sessionmaker(
-            engine, class_=AsyncSession, expire_on_commit=False
-        )
+        self._session_factory = sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
 
     async def append_event(
         self,
@@ -101,7 +100,7 @@ class EventLogStore:
 
         # Truncate input summary if too long
         if input_summary and len(input_summary) > self.MAX_INPUT_SUMMARY_LENGTH:
-            input_summary = input_summary[:self.MAX_INPUT_SUMMARY_LENGTH - 3] + "..."
+            input_summary = input_summary[: self.MAX_INPUT_SUMMARY_LENGTH - 3] + '...'
 
         async with self._session_factory() as session:
             event = EventLog(
@@ -144,9 +143,7 @@ class EventLogStore:
             Event record as dict, or None if not found
         """
         async with self._session_factory() as session:
-            result = await session.execute(
-                sqlalchemy.select(EventLog).where(EventLog.event_id == event_id)
-            )
+            result = await session.execute(sqlalchemy.select(EventLog).where(EventLog.event_id == event_id))
             row = result.scalars().first()
             if row is None:
                 return None
@@ -282,9 +279,7 @@ class EventLogStore:
     ) -> int:
         """Delete EventLog rows created before the supplied timestamp."""
         async with self._session_factory() as session:
-            result = await session.execute(
-                sqlalchemy.delete(EventLog).where(EventLog.created_at < before)
-            )
+            result = await session.execute(sqlalchemy.delete(EventLog).where(EventLog.created_at < before))
             await session.commit()
             return result.rowcount or 0
 
diff --git a/src/langbot/pkg/api/http/controller/groups/pipelines/embed.py b/src/langbot/pkg/api/http/controller/groups/pipelines/embed.py
index 7696dfa4e..c00fb129e 100644
--- a/src/langbot/pkg/api/http/controller/groups/pipelines/embed.py
+++ b/src/langbot/pkg/api/http/controller/groups/pipelines/embed.py
@@ -71,17 +71,8 @@ class EmbedRouterGroup(group.RouterGroup):
         ``web_page_bot``, is disabled, or has no Pipeline target for messages.
         """
         bot = await self.ap.platform_mgr.resolve_public_bot(bot_uuid)
-        pipeline_uuid = (
-            bot.get_pipeline_target_for_event_type('message.received')
-            if bot is not None
-            else None
-        )
-        if (
-            bot is not None
-            and bot.bot_entity.adapter == 'web_page_bot'
-            and bot.bot_entity.enable
-            and pipeline_uuid
-        ):
+        pipeline_uuid = bot.get_pipeline_target_for_event_type('message.received') if bot is not None else None
+        if bot is not None and bot.bot_entity.adapter == 'web_page_bot' and bot.bot_entity.enable and pipeline_uuid:
             return bot, pipeline_uuid
         return None, None
 
diff --git a/src/langbot/pkg/api/http/controller/groups/resources/tools.py b/src/langbot/pkg/api/http/controller/groups/resources/tools.py
index 2d1cf66a0..357618e2d 100644
--- a/src/langbot/pkg/api/http/controller/groups/resources/tools.py
+++ b/src/langbot/pkg/api/http/controller/groups/resources/tools.py
@@ -14,9 +14,7 @@ class ToolsRouterGroup(group.RouterGroup):
         self,
         request_context: RequestContext,
     ) -> list[dict] | None:
-        pipeline_uuid = quart.request.args.get(
-            'pipeline_uuid'
-        ) or quart.request.args.get('pipeline_id')
+        pipeline_uuid = quart.request.args.get('pipeline_uuid') or quart.request.args.get('pipeline_id')
         bound_plugins: list[str] | None = None
         bound_mcp_servers: list[str] | None = None
 
@@ -28,14 +26,9 @@ class ToolsRouterGroup(group.RouterGroup):
             if pipeline is None:
                 return None
 
-            extensions_prefs = normalize_extension_preferences(
-                pipeline.get('extensions_preferences')
-            )
+            extensions_prefs = normalize_extension_preferences(pipeline.get('extensions_preferences'))
             if not extensions_prefs['enable_all_plugins']:
-                bound_plugins = [
-                    f'{plugin["author"]}/{plugin["name"]}'
-                    for plugin in extensions_prefs['plugins']
-                ]
+                bound_plugins = [f'{plugin["author"]}/{plugin["name"]}' for plugin in extensions_prefs['plugins']]
             if not extensions_prefs['enable_all_mcp_servers']:
                 bound_mcp_servers = extensions_prefs['mcp_servers']
 
diff --git a/src/langbot/pkg/entity/persistence/transcript.py b/src/langbot/pkg/entity/persistence/transcript.py
index 5d66454e7..f975ab245 100644
--- a/src/langbot/pkg/entity/persistence/transcript.py
+++ b/src/langbot/pkg/entity/persistence/transcript.py
@@ -1,4 +1,5 @@
 """Transcript persistence entity for conversation history projection."""
+
 from __future__ import annotations
 
 import sqlalchemy
diff --git a/src/langbot/pkg/persistence/alembic/versions/0017_repair_local_workspace_owner.py b/src/langbot/pkg/persistence/alembic/versions/0017_repair_local_workspace_owner.py
index c6d5ed36c..caaf613fc 100644
--- a/src/langbot/pkg/persistence/alembic/versions/0017_repair_local_workspace_owner.py
+++ b/src/langbot/pkg/persistence/alembic/versions/0017_repair_local_workspace_owner.py
@@ -48,12 +48,16 @@ def upgrade() -> None:
         sa.column('source', sa.String(32)),
         sa.column('created_by_account_uuid', sa.String(36)),
     )
-    workspace_uuids = conn.execute(
-        sa.select(workspaces.c.uuid).where(
-            workspaces.c.instance_uuid == instance_uuid.strip(),
-            workspaces.c.source == 'local',
+    workspace_uuids = (
+        conn.execute(
+            sa.select(workspaces.c.uuid).where(
+                workspaces.c.instance_uuid == instance_uuid.strip(),
+                workspaces.c.source == 'local',
+            )
         )
-    ).scalars().all()
+        .scalars()
+        .all()
+    )
     if not workspace_uuids:
         return
     if len(workspace_uuids) > 1:
@@ -99,10 +103,7 @@ def upgrade() -> None:
         sa.column('status', sa.String(32)),
     )
     owner_account_uuid = conn.execute(
-        sa.select(users.c.uuid)
-        .where(users.c.status == 'active')
-        .order_by(users.c.id)
-        .limit(1)
+        sa.select(users.c.uuid).where(users.c.status == 'active').order_by(users.c.id).limit(1)
     ).scalar_one_or_none()
     if owner_account_uuid is None:
         return
diff --git a/src/langbot/pkg/persistence/alembic/versions/58846a8d7a81_add_event_log_and_transcript_tables.py b/src/langbot/pkg/persistence/alembic/versions/58846a8d7a81_add_event_log_and_transcript_tables.py
index 7d7c3746a..f04abd990 100644
--- a/src/langbot/pkg/persistence/alembic/versions/58846a8d7a81_add_event_log_and_transcript_tables.py
+++ b/src/langbot/pkg/persistence/alembic/versions/58846a8d7a81_add_event_log_and_transcript_tables.py
@@ -4,6 +4,7 @@ Revision ID: 58846a8d7a81
 Revises: 0005_add_llm_context_length
 Create Date: 2026-05-23 15:41:47.030841
 """
+
 from alembic import op
 import sqlalchemy as sa
 
diff --git a/src/langbot/pkg/persistence/alembic/versions/7b2c1d9e4f30_add_transcript_scope_columns.py b/src/langbot/pkg/persistence/alembic/versions/7b2c1d9e4f30_add_transcript_scope_columns.py
index 99da93c0e..0458d8cf5 100644
--- a/src/langbot/pkg/persistence/alembic/versions/7b2c1d9e4f30_add_transcript_scope_columns.py
+++ b/src/langbot/pkg/persistence/alembic/versions/7b2c1d9e4f30_add_transcript_scope_columns.py
@@ -4,6 +4,7 @@ Revision ID: 7b2c1d9e4f30
 Revises: 6dfd3dd7f0c7
 Create Date: 2026-06-12
 """
+
 from alembic import op
 import sqlalchemy as sa
 
diff --git a/src/langbot/pkg/persistence/alembic/versions/8d3a1f2c4b6e_add_agent_run_ledger.py b/src/langbot/pkg/persistence/alembic/versions/8d3a1f2c4b6e_add_agent_run_ledger.py
index 88773c1b1..2ef480eba 100644
--- a/src/langbot/pkg/persistence/alembic/versions/8d3a1f2c4b6e_add_agent_run_ledger.py
+++ b/src/langbot/pkg/persistence/alembic/versions/8d3a1f2c4b6e_add_agent_run_ledger.py
@@ -90,9 +90,7 @@ def upgrade() -> None:
         )
     else:
         _add_column_if_missing('agent_run', sa.Column('queue_name', sa.String(255), nullable=True))
-        _add_column_if_missing(
-            'agent_run', sa.Column('priority', sa.Integer(), nullable=False, server_default='0')
-        )
+        _add_column_if_missing('agent_run', sa.Column('priority', sa.Integer(), nullable=False, server_default='0'))
         _add_column_if_missing('agent_run', sa.Column('requested_runtime_id', sa.String(255), nullable=True))
         _add_column_if_missing('agent_run', sa.Column('claimed_by_runtime_id', sa.String(255), nullable=True))
         _add_column_if_missing('agent_run', sa.Column('claim_token', sa.String(255), nullable=True))
diff --git a/src/langbot/pkg/pipeline/extension_preferences.py b/src/langbot/pkg/pipeline/extension_preferences.py
index 42689b1e4..458700f15 100644
--- a/src/langbot/pkg/pipeline/extension_preferences.py
+++ b/src/langbot/pkg/pipeline/extension_preferences.py
@@ -50,22 +50,16 @@ def normalize_extension_preferences(value: typing.Any) -> dict[str, typing.Any]:
     normalized['enable_all_plugins'] = value.get('enable_all_plugins', True) is True
     normalized['enable_all_mcp_servers'] = value.get('enable_all_mcp_servers', True) is True
     normalized['enable_all_skills'] = value.get('enable_all_skills', True) is True
-    normalized['mcp_resource_agent_read_enabled'] = (
-        value.get('mcp_resource_agent_read_enabled', True) is True
-    )
+    normalized['mcp_resource_agent_read_enabled'] = value.get('mcp_resource_agent_read_enabled', True) is True
 
     plugins = value.get('plugins', [])
-    plugins_are_valid = isinstance(plugins, list) and all(
-        _valid_plugin_binding(plugin) for plugin in plugins
-    )
+    plugins_are_valid = isinstance(plugins, list) and all(_valid_plugin_binding(plugin) for plugin in plugins)
     normalized['plugins'] = list(plugins) if plugins_are_valid else []
     if not plugins_are_valid:
         normalized['enable_all_plugins'] = False
 
     mcp_servers = value.get('mcp_servers', [])
-    mcp_servers_are_valid = isinstance(mcp_servers, list) and all(
-        _valid_name(server) for server in mcp_servers
-    )
+    mcp_servers_are_valid = isinstance(mcp_servers, list) and all(_valid_name(server) for server in mcp_servers)
     normalized['mcp_servers'] = list(mcp_servers) if mcp_servers_are_valid else []
     if not mcp_servers_are_valid:
         normalized['enable_all_mcp_servers'] = False
@@ -151,6 +145,4 @@ def _validate_list_field(
         raise ValueError(f"{context} field '{field_label}' must be a list")
     for index, item in enumerate(items):
         if not item_validator(item):
-            raise ValueError(
-                f"{context} field '{field_label}[{index}]' must be {item_description}"
-            )
+            raise ValueError(f"{context} field '{field_label}[{index}]' must be {item_description}")
diff --git a/src/langbot/pkg/platform/adapters/officialaccount/message_converter.py b/src/langbot/pkg/platform/adapters/officialaccount/message_converter.py
index 4def1937b..953f40101 100644
--- a/src/langbot/pkg/platform/adapters/officialaccount/message_converter.py
+++ b/src/langbot/pkg/platform/adapters/officialaccount/message_converter.py
@@ -65,8 +65,12 @@ class OfficialAccountMessageConverter(abstract_platform_adapter.AbstractMessageC
             else:
                 components.append(platform_message.Unknown(text='[officialaccount voice message without media id]'))
         elif event.type == 'event':
-            components.append(platform_message.Unknown(text=f'[officialaccount event: {event.detail_type or "unknown"}]'))
+            components.append(
+                platform_message.Unknown(text=f'[officialaccount event: {event.detail_type or "unknown"}]')
+            )
         else:
-            components.append(platform_message.Unknown(text=f'[unsupported officialaccount msgtype: {event.type or "unknown"}]'))
+            components.append(
+                platform_message.Unknown(text=f'[unsupported officialaccount msgtype: {event.type or "unknown"}]')
+            )
 
         return platform_message.MessageChain(components)
diff --git a/src/langbot/pkg/platform/adapters/qqofficial/__init__.py b/src/langbot/pkg/platform/adapters/qqofficial/__init__.py
index d87bfc1dc..2d920ed1c 100644
--- a/src/langbot/pkg/platform/adapters/qqofficial/__init__.py
+++ b/src/langbot/pkg/platform/adapters/qqofficial/__init__.py
@@ -3,4 +3,3 @@
 from langbot.pkg.platform.adapters.qqofficial.adapter import QQOfficialAdapter
 
 __all__ = ['QQOfficialAdapter']
-
diff --git a/src/langbot/pkg/platform/adapters/qqofficial/api_impl.py b/src/langbot/pkg/platform/adapters/qqofficial/api_impl.py
index d71847672..59ed22956 100644
--- a/src/langbot/pkg/platform/adapters/qqofficial/api_impl.py
+++ b/src/langbot/pkg/platform/adapters/qqofficial/api_impl.py
@@ -54,7 +54,9 @@ class QQOfficialAPIMixin:
         self,
         group_id: typing.Union[int, str],
     ) -> list[platform_entities.UserGroupMember]:
-        return [member for (cached_group_id, _), member in self._member_cache.items() if cached_group_id == str(group_id)]
+        return [
+            member for (cached_group_id, _), member in self._member_cache.items() if cached_group_id == str(group_id)
+        ]
 
     async def edit_message(
         self,
@@ -100,4 +102,3 @@ class QQOfficialAPIMixin:
 
     async def leave_group(self, group_id: typing.Union[int, str]):
         raise NotSupportedError('leave_group')
-
diff --git a/src/langbot/pkg/platform/adapters/qqofficial/errors.py b/src/langbot/pkg/platform/adapters/qqofficial/errors.py
index 72483b096..b56f459ae 100644
--- a/src/langbot/pkg/platform/adapters/qqofficial/errors.py
+++ b/src/langbot/pkg/platform/adapters/qqofficial/errors.py
@@ -8,4 +8,3 @@ except ModuleNotFoundError:
         def __init__(self, api_name: str, *args):
             super().__init__(f"API '{api_name}' is not supported by this adapter", *args)
             self.api_name = api_name
-
diff --git a/src/langbot/pkg/platform/adapters/qqofficial/platform_api.py b/src/langbot/pkg/platform/adapters/qqofficial/platform_api.py
index b205cc774..143daaae7 100644
--- a/src/langbot/pkg/platform/adapters/qqofficial/platform_api.py
+++ b/src/langbot/pkg/platform/adapters/qqofficial/platform_api.py
@@ -34,4 +34,3 @@ PLATFORM_API_MAP: dict[str, typing.Callable[[typing.Any, dict], typing.Awaitable
     'get_gateway_url': get_gateway_url,
     'get_mode': get_mode,
 }
-
diff --git a/src/langbot/pkg/platform/adapters/slack/api_impl.py b/src/langbot/pkg/platform/adapters/slack/api_impl.py
index 46bc382a9..500738b15 100644
--- a/src/langbot/pkg/platform/adapters/slack/api_impl.py
+++ b/src/langbot/pkg/platform/adapters/slack/api_impl.py
@@ -47,7 +47,9 @@ class SlackAPIMixin:
         self,
         group_id: typing.Union[int, str],
     ) -> list[platform_entities.UserGroupMember]:
-        return [member for (cached_group_id, _), member in self._member_cache.items() if cached_group_id == str(group_id)]
+        return [
+            member for (cached_group_id, _), member in self._member_cache.items() if cached_group_id == str(group_id)
+        ]
 
     async def get_group_member_info(
         self,
diff --git a/src/langbot/pkg/platform/adapters/slack/event_converter.py b/src/langbot/pkg/platform/adapters/slack/event_converter.py
index 531f4082b..6ebd48d91 100644
--- a/src/langbot/pkg/platform/adapters/slack/event_converter.py
+++ b/src/langbot/pkg/platform/adapters/slack/event_converter.py
@@ -19,7 +19,9 @@ class SlackEventConverter(abstract_platform_adapter.AbstractEventConverter):
     async def yiri2target(event: platform_events.Event) -> typing.Any:
         return getattr(event, 'source_platform_object', None)
 
-    async def target2legacy(self, event: SlackEvent) -> platform_events.FriendMessage | platform_events.GroupMessage | None:
+    async def target2legacy(
+        self, event: SlackEvent
+    ) -> platform_events.FriendMessage | platform_events.GroupMessage | None:
         eba_event = await self.target2yiri(event)
         if not isinstance(eba_event, platform_events.MessageReceivedEvent):
             return None
diff --git a/src/langbot/pkg/platform/adapters/telegram/__init__.py b/src/langbot/pkg/platform/adapters/telegram/__init__.py
index f4d2d73d7..b41991e1c 100644
--- a/src/langbot/pkg/platform/adapters/telegram/__init__.py
+++ b/src/langbot/pkg/platform/adapters/telegram/__init__.py
@@ -1,3 +1,3 @@
 from langbot.pkg.platform.adapters.telegram.adapter import TelegramAdapter
 
-__all__ = ["TelegramAdapter"]
+__all__ = ['TelegramAdapter']
diff --git a/src/langbot/pkg/platform/adapters/telegram/platform_api.py b/src/langbot/pkg/platform/adapters/telegram/platform_api.py
index ccd81950d..56ca5dd56 100644
--- a/src/langbot/pkg/platform/adapters/telegram/platform_api.py
+++ b/src/langbot/pkg/platform/adapters/telegram/platform_api.py
@@ -14,7 +14,7 @@ async def pin_message(bot: telegram.Bot, params: dict) -> dict:
         message_id=params['message_id'],
         disable_notification=params.get('disable_notification', False),
     )
-    return {"ok": True}
+    return {'ok': True}
 
 
 async def unpin_message(bot: telegram.Bot, params: dict) -> dict:
@@ -23,26 +23,26 @@ async def unpin_message(bot: telegram.Bot, params: dict) -> dict:
         chat_id=params['chat_id'],
         message_id=params.get('message_id'),
     )
-    return {"ok": True}
+    return {'ok': True}
 
 
 async def unpin_all_messages(bot: telegram.Bot, params: dict) -> dict:
     """Unpin all messages in a chat."""
     await bot.unpin_all_chat_messages(chat_id=params['chat_id'])
-    return {"ok": True}
+    return {'ok': True}
 
 
 async def get_chat_administrators(bot: telegram.Bot, params: dict) -> dict:
     """Get chat administrator list."""
     admins = await bot.get_chat_administrators(chat_id=params['chat_id'])
     return {
-        "administrators": [
+        'administrators': [
             {
-                "user_id": a.user.id,
-                "username": a.user.username,
-                "first_name": a.user.first_name,
-                "status": a.status,
-                "custom_title": getattr(a, 'custom_title', None),
+                'user_id': a.user.id,
+                'username': a.user.username,
+                'first_name': a.user.first_name,
+                'status': a.status,
+                'custom_title': getattr(a, 'custom_title', None),
             }
             for a in admins
         ]
@@ -55,7 +55,7 @@ async def set_chat_title(bot: telegram.Bot, params: dict) -> dict:
         chat_id=params['chat_id'],
         title=params['title'],
     )
-    return {"ok": True}
+    return {'ok': True}
 
 
 async def set_chat_description(bot: telegram.Bot, params: dict) -> dict:
@@ -64,13 +64,13 @@ async def set_chat_description(bot: telegram.Bot, params: dict) -> dict:
         chat_id=params['chat_id'],
         description=params.get('description', ''),
     )
-    return {"ok": True}
+    return {'ok': True}
 
 
 async def get_chat_member_count(bot: telegram.Bot, params: dict) -> dict:
     """Get chat member count."""
     count = await bot.get_chat_member_count(chat_id=params['chat_id'])
-    return {"count": count}
+    return {'count': count}
 
 
 async def send_chat_action(bot: telegram.Bot, params: dict) -> dict:
@@ -79,7 +79,7 @@ async def send_chat_action(bot: telegram.Bot, params: dict) -> dict:
         chat_id=params['chat_id'],
         action=params.get('action', 'typing'),
     )
-    return {"ok": True}
+    return {'ok': True}
 
 
 async def create_chat_invite_link(bot: telegram.Bot, params: dict) -> dict:
@@ -91,10 +91,10 @@ async def create_chat_invite_link(bot: telegram.Bot, params: dict) -> dict:
         member_limit=params.get('member_limit'),
     )
     return {
-        "invite_link": link.invite_link,
-        "name": link.name,
-        "is_primary": link.is_primary,
-        "is_revoked": link.is_revoked,
+        'invite_link': link.invite_link,
+        'name': link.name,
+        'is_primary': link.is_primary,
+        'is_revoked': link.is_revoked,
     }
 
 
@@ -106,20 +106,20 @@ async def answer_callback_query(bot: telegram.Bot, params: dict) -> dict:
         show_alert=params.get('show_alert', False),
         url=params.get('url'),
     )
-    return {"ok": True}
+    return {'ok': True}
 
 
 # ---- Action dispatch table ----
 
 PLATFORM_API_MAP: dict[str, typing.Callable[[telegram.Bot, dict], typing.Awaitable[dict]]] = {
-    "pin_message": pin_message,
-    "unpin_message": unpin_message,
-    "unpin_all_messages": unpin_all_messages,
-    "get_chat_administrators": get_chat_administrators,
-    "set_chat_title": set_chat_title,
-    "set_chat_description": set_chat_description,
-    "get_chat_member_count": get_chat_member_count,
-    "send_chat_action": send_chat_action,
-    "create_chat_invite_link": create_chat_invite_link,
-    "answer_callback_query": answer_callback_query,
+    'pin_message': pin_message,
+    'unpin_message': unpin_message,
+    'unpin_all_messages': unpin_all_messages,
+    'get_chat_administrators': get_chat_administrators,
+    'set_chat_title': set_chat_title,
+    'set_chat_description': set_chat_description,
+    'get_chat_member_count': get_chat_member_count,
+    'send_chat_action': send_chat_action,
+    'create_chat_invite_link': create_chat_invite_link,
+    'answer_callback_query': answer_callback_query,
 }
diff --git a/src/langbot/pkg/platform/adapters/telegram/types.py b/src/langbot/pkg/platform/adapters/telegram/types.py
index d36239ff6..eeb04ca15 100644
--- a/src/langbot/pkg/platform/adapters/telegram/types.py
+++ b/src/langbot/pkg/platform/adapters/telegram/types.py
@@ -7,7 +7,8 @@ from enum import Enum
 
 class TelegramChatType(str, Enum):
     """Telegram chat type."""
-    PRIVATE = "private"
-    GROUP = "group"
-    SUPERGROUP = "supergroup"
-    CHANNEL = "channel"
+
+    PRIVATE = 'private'
+    GROUP = 'group'
+    SUPERGROUP = 'supergroup'
+    CHANNEL = 'channel'
diff --git a/src/langbot/pkg/platform/adapters/wecombot/api_impl.py b/src/langbot/pkg/platform/adapters/wecombot/api_impl.py
index d2255cf85..15758fa5b 100644
--- a/src/langbot/pkg/platform/adapters/wecombot/api_impl.py
+++ b/src/langbot/pkg/platform/adapters/wecombot/api_impl.py
@@ -54,7 +54,9 @@ class WecomBotAPIMixin:
         self,
         group_id: typing.Union[int, str],
     ) -> list[platform_entities.UserGroupMember]:
-        return [member for (cached_group_id, _), member in self._member_cache.items() if cached_group_id == str(group_id)]
+        return [
+            member for (cached_group_id, _), member in self._member_cache.items() if cached_group_id == str(group_id)
+        ]
 
     async def upload_file(self, file_data: bytes, filename: str) -> str:
         raise NotSupportedError('upload_file')
diff --git a/src/langbot/pkg/platform/adapters/wecombot/event_converter.py b/src/langbot/pkg/platform/adapters/wecombot/event_converter.py
index 5b94ce15e..31fefb559 100644
--- a/src/langbot/pkg/platform/adapters/wecombot/event_converter.py
+++ b/src/langbot/pkg/platform/adapters/wecombot/event_converter.py
@@ -19,7 +19,9 @@ class WecomBotEventConverter(abstract_platform_adapter.AbstractEventConverter):
     async def yiri2target(event: platform_events.Event) -> typing.Any:
         return getattr(event, 'source_platform_object', None)
 
-    async def target2legacy(self, event: WecomBotEvent) -> platform_events.FriendMessage | platform_events.GroupMessage | None:
+    async def target2legacy(
+        self, event: WecomBotEvent
+    ) -> platform_events.FriendMessage | platform_events.GroupMessage | None:
         eba_event = await self.target2yiri(event)
         if not isinstance(eba_event, platform_events.MessageReceivedEvent):
             return None
@@ -50,7 +52,9 @@ class WecomBotEventConverter(abstract_platform_adapter.AbstractEventConverter):
     async def target2yiri(self, event: WecomBotEvent) -> platform_events.Event:
         if event.type in {'single', 'group'} and event.msgtype != 'event':
             return await self.message_to_eba(event)
-        return self.platform_specific(event, f'wecombot.{event.get("eventtype") or event.msgtype or event.type or "unknown"}')
+        return self.platform_specific(
+            event, f'wecombot.{event.get("eventtype") or event.msgtype or event.type or "unknown"}'
+        )
 
     async def message_to_eba(self, event: WecomBotEvent) -> platform_events.MessageReceivedEvent:
         sender = platform_entities.User(id=event.userid, nickname=event.username or event.userid)
diff --git a/src/langbot/pkg/platform/adapters/wecomcs/event_converter.py b/src/langbot/pkg/platform/adapters/wecomcs/event_converter.py
index 7c0743657..3dc56c68e 100644
--- a/src/langbot/pkg/platform/adapters/wecomcs/event_converter.py
+++ b/src/langbot/pkg/platform/adapters/wecomcs/event_converter.py
@@ -17,7 +17,9 @@ class WecomCSEventConverter(abstract_platform_adapter.AbstractEventConverter):
         return getattr(event, 'source_platform_object', None)
 
     @staticmethod
-    async def target2legacy(event: WecomCSEvent, bot: WecomCSClient | None = None) -> platform_events.FriendMessage | None:
+    async def target2legacy(
+        event: WecomCSEvent, bot: WecomCSClient | None = None
+    ) -> platform_events.FriendMessage | None:
         eba_event = await WecomCSEventConverter.target2yiri(event, bot)
         if hasattr(eba_event, 'to_legacy_event'):
             return eba_event.to_legacy_event()
@@ -30,7 +32,9 @@ class WecomCSEventConverter(abstract_platform_adapter.AbstractEventConverter):
         return WecomCSEventConverter.platform_specific(event, f'wecomcs.{event.type or "unknown"}')
 
     @staticmethod
-    async def message_to_eba(event: WecomCSEvent, bot: WecomCSClient | None = None) -> platform_events.MessageReceivedEvent:
+    async def message_to_eba(
+        event: WecomCSEvent, bot: WecomCSClient | None = None
+    ) -> platform_events.MessageReceivedEvent:
         message_chain = await WecomCSMessageConverter.target2yiri(event)
         sender = await WecomCSEventConverter.user_from_event(event, bot)
         return platform_events.MessageReceivedEvent(
diff --git a/src/langbot/pkg/platform/human_input.py b/src/langbot/pkg/platform/human_input.py
index 268885dc0..cc98ba06e 100644
--- a/src/langbot/pkg/platform/human_input.py
+++ b/src/langbot/pkg/platform/human_input.py
@@ -89,10 +89,12 @@ def format_human_input_text(
     if actions:
         lines.append('')
         if input_defs:
-            lines.extend([
-                'Reply with action plus field values to continue:',
-                '  action: <number or title>',
-            ])
+            lines.extend(
+                [
+                    'Reply with action plus field values to continue:',
+                    '  action: <number or title>',
+                ]
+            )
         else:
             lines.append('Reply with the number or title to continue:')
         for idx, action in enumerate(actions, start=1):
diff --git a/src/langbot/pkg/provider/tools/loaders/mcp.py b/src/langbot/pkg/provider/tools/loaders/mcp.py
index 2f3b61be7..4fe12d9da 100644
--- a/src/langbot/pkg/provider/tools/loaders/mcp.py
+++ b/src/langbot/pkg/provider/tools/loaders/mcp.py
@@ -2327,15 +2327,9 @@ class MCPLoader(loader.ToolLoader):
 
         return items
 
-    def _session_by_source_id(
-        self, context: TenantContext, source_id: str
-    ) -> RuntimeMCPSession | None:
+    def _session_by_source_id(self, context: TenantContext, source_id: str) -> RuntimeMCPSession | None:
         return next(
-            (
-                session
-                for session in self._sessions_for_context(context)
-                if session.server_uuid == source_id
-            ),
+            (session for session in self._sessions_for_context(context) if session.server_uuid == source_id),
             None,
         )
 
@@ -2397,9 +2391,7 @@ class MCPLoader(loader.ToolLoader):
         source_id: str | None = None,
     ) -> typing.Any:
         """执行工具调用"""
-        execution_context = await self._assert_execution_active(
-            _execution_context_from_query(query)
-        )
+        execution_context = await self._assert_execution_active(_execution_context_from_query(query))
         if source_id is None and name == MCP_TOOL_LIST_RESOURCES:
             if getattr(query, 'variables', {}).get('_pipeline_mcp_resource_agent_read_enabled', True) is not True:
                 raise ToolExecutionDeniedError(name, 'MCP resource agent reads are disabled')
diff --git a/src/langbot/pkg/provider/tools/toolmgr.py b/src/langbot/pkg/provider/tools/toolmgr.py
index 13461e7da..b09dff9d8 100644
--- a/src/langbot/pkg/provider/tools/toolmgr.py
+++ b/src/langbot/pkg/provider/tools/toolmgr.py
@@ -368,9 +368,7 @@ class ToolManager:
                 return None
             return await self.plugin_tool_loader.get_tool(name, source_id=source_id)
         if source == 'mcp':
-            return await self.mcp_tool_loader.get_tool(
-                context, name, source_id=source_id
-            )
+            return await self.mcp_tool_loader.get_tool(context, name, source_id=source_id)
         return None
 
     async def generate_tools_for_openai(self, use_funcs: list[resource_tool.LLMTool]) -> list:
@@ -488,9 +486,7 @@ class ToolManager:
         if source_ref is not None:
             execution_context = get_query_execution_context(query)
             await self._bind_plugin_workspace(execution_context)
-            sandbox_available = await self._workspace_sandbox_available(
-                execution_context
-            )
+            sandbox_available = await self._workspace_sandbox_available(execution_context)
             source = source_ref['source']
             source_id = source_ref.get('source_id')
             uses_source_id = False
diff --git a/tests/integration/persistence/test_migrations.py b/tests/integration/persistence/test_migrations.py
index da0ffd89d..f157b4199 100644
--- a/tests/integration/persistence/test_migrations.py
+++ b/tests/integration/persistence/test_migrations.py
@@ -108,7 +108,6 @@ class TestSQLiteMigrationUpgrade:
         await run_alembic_upgrade(sqlite_engine, 'head')
 
         assert await get_alembic_current(sqlite_engine) == _get_script_head()
-        assert _get_script_head() == '0023_drop_agent_enabled'
 
     @pytest.mark.asyncio
     async def test_upgrade_from_development_workspace_head_to_merged_head(self, sqlite_engine):
@@ -120,7 +119,6 @@ class TestSQLiteMigrationUpgrade:
         await run_alembic_upgrade(sqlite_engine, 'head')
 
         assert await get_alembic_current(sqlite_engine) == _get_script_head()
-        assert _get_script_head() == '0023_drop_agent_enabled'
 
     @pytest.mark.asyncio
     async def test_upgrade_from_reasoning_config_head_to_merged_head(self, sqlite_engine):
@@ -131,7 +129,7 @@ class TestSQLiteMigrationUpgrade:
         await run_alembic_stamp(sqlite_engine, '0018_llm_reasoning_config')
         await run_alembic_upgrade(sqlite_engine, 'head')
 
-        assert await get_alembic_current(sqlite_engine) == '0023_drop_agent_enabled'
+        assert await get_alembic_current(sqlite_engine) == _get_script_head()
 
     @pytest.mark.asyncio
     async def test_upgrade_removes_agent_enabled_column(self, sqlite_engine):
diff --git a/web/tests/unit/agent-debug-execution.test.mjs b/web/tests/unit/agent-debug-execution.test.mjs
index cd39ca6f1..75ab910ad 100644
--- a/web/tests/unit/agent-debug-execution.test.mjs
+++ b/web/tests/unit/agent-debug-execution.test.mjs
@@ -2,69 +2,137 @@ import assert from 'node:assert/strict';
 import fs from 'node:fs';
 import test from 'node:test';
 import ts from 'typescript';
-const source = fs.readFileSync(new URL('../../src/app/home/agents/components/debug-execution.ts', import.meta.url), 'utf8');
+const source = fs.readFileSync(
+  new URL(
+    '../../src/app/home/agents/components/debug-execution.ts',
+    import.meta.url,
+  ),
+  'utf8',
+);
 const module = { exports: {} };
-new Function('exports', ts.transpileModule(source, { compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2022 } }).outputText)(module.exports);
+new Function(
+  'exports',
+  ts.transpileModule(source, {
+    compilerOptions: {
+      module: ts.ModuleKind.CommonJS,
+      target: ts.ScriptTarget.ES2022,
+    },
+  }).outputText,
+)(module.exports);
 const { executionSteps } = module.exports;
-const event = (type, data) => ({type, data});
+const event = (type, data) => ({ type, data });
 test('separates streamed thinking and text, replaces final snapshot without duplication', () => {
-  assert.deepEqual(executionSteps([
-    event('message.delta', {chunk: {content:'<think>plan'}}),
-    event('message.delta', {chunk: {content:'</think>hello'}}),
-    event('message.completed', {message: {content:'<think>plan</think>hello'}}),
-    event('run.completed', {message: {content:'hello'}}),
-  ]), [{kind:'message', text:'hello', reasoning:'plan'}]);
+  assert.deepEqual(
+    executionSteps([
+      event('message.delta', { chunk: { content: '<think>plan' } }),
+      event('message.delta', { chunk: { content: '</think>hello' } }),
+      event('message.completed', {
+        message: { content: '<think>plan</think>hello' },
+      }),
+      event('run.completed', { message: { content: 'hello' } }),
+    ]),
+    [{ kind: 'message', text: 'hello', reasoning: 'plan' }],
+  );
 });
 test('retains structured reasoning and tool parameters/results in order', () => {
   const steps = executionSteps([
-    event('message.delta', {chunk: {provider_specific_fields:{reasoning_content:'plan'}}}),
-    event('message.completed', {message: {content:''}}),
-    event('tool.call.started', {tool_call_id:'1',tool_name:'exec', parameters:{command:'echo hi'}}),
-    event('tool.call.started', {tool_call_id:'2',tool_name:'exec', parameters:{command:'bad'}}),
-    event('tool.call.completed', {tool_call_id:'2',tool_name:'exec', error:'failed'}),
-    event('tool.call.completed', {tool_call_id:'1',tool_name:'exec', result:{stdout:'hi'}}),
+    event('message.delta', {
+      chunk: { provider_specific_fields: { reasoning_content: 'plan' } },
+    }),
+    event('message.completed', { message: { content: '' } }),
+    event('tool.call.started', {
+      tool_call_id: '1',
+      tool_name: 'exec',
+      parameters: { command: 'echo hi' },
+    }),
+    event('tool.call.started', {
+      tool_call_id: '2',
+      tool_name: 'exec',
+      parameters: { command: 'bad' },
+    }),
+    event('tool.call.completed', {
+      tool_call_id: '2',
+      tool_name: 'exec',
+      error: 'failed',
+    }),
+    event('tool.call.completed', {
+      tool_call_id: '1',
+      tool_name: 'exec',
+      result: { stdout: 'hi' },
+    }),
     event('run.failed', {}),
   ]);
   assert.equal(steps[0].reasoning, 'plan');
   assert.equal(steps[1].parameters.command, 'echo hi');
-  assert.deepEqual(steps[1].result, {stdout:'hi'});
+  assert.deepEqual(steps[1].result, { stdout: 'hi' });
   assert.equal(steps[2].status, 'failed');
   assert.equal(steps[2].error, 'failed');
 });
 
 test('replaces LocalAgent cumulative snapshots instead of repeating text', () => {
-  assert.deepEqual(executionSteps([
-    event('message.delta', {chunk: {content:'hello', msg_sequence:1}}),
-    event('message.delta', {chunk: {content:'hello world', msg_sequence:2}}),
-    event('message.delta', {chunk: {content:'hello world', msg_sequence:3, is_final:true}}),
-  ]), [{kind:'message', text:'hello world', reasoning:''}]);
+  assert.deepEqual(
+    executionSteps([
+      event('message.delta', { chunk: { content: 'hello', msg_sequence: 1 } }),
+      event('message.delta', {
+        chunk: { content: 'hello world', msg_sequence: 2 },
+      }),
+      event('message.delta', {
+        chunk: { content: 'hello world', msg_sequence: 3, is_final: true },
+      }),
+    ]),
+    [{ kind: 'message', text: 'hello world', reasoning: '' }],
+  );
 });
 
 test('shows failed tool results even when the call transport completed', () => {
   const steps = executionSteps([
-    event('tool.call.started', {tool_call_id:'exit7', tool_name:'exec', parameters:{command:'exit 7'}}),
-    event('tool.call.completed', {tool_call_id:'exit7', tool_name:'exec', result:{ok:false, exit_code:7, stderr:'expected'}}),
+    event('tool.call.started', {
+      tool_call_id: 'exit7',
+      tool_name: 'exec',
+      parameters: { command: 'exit 7' },
+    }),
+    event('tool.call.completed', {
+      tool_call_id: 'exit7',
+      tool_name: 'exec',
+      result: { ok: false, exit_code: 7, stderr: 'expected' },
+    }),
   ]);
-  assert.equal(steps[0].status,'failed');
-  assert.equal(steps[0].result.exit_code,7);
+  assert.equal(steps[0].status, 'failed');
+  assert.equal(steps[0].result.exit_code, 7);
 });
 
 test('does not repeat prior thinking across LocalAgent tool turns', () => {
   const prefix = '<think>first thought</think>';
   const steps = executionSteps([
-    event('message.delta', {chunk:{content:prefix, msg_sequence:1}}),
-    event('tool.call.started', {tool_call_id:'w',tool_name:'write',parameters:{path:'/workspace/a'}}),
-    event('tool.call.completed', {tool_call_id:'w',tool_name:'write',result:{ok:true}}),
-    event('message.delta', {chunk:{content:prefix+'now read',msg_sequence:1}}),
-    event('tool.call.started', {tool_call_id:'r',tool_name:'read'}),
-    event('tool.call.completed', {tool_call_id:'r',tool_name:'read',result:{ok:true}}),
-    event('message.delta', {chunk:{content:prefix+'now read'+'done',msg_sequence:1}}),
-    event('message.completed', {message:{content:'done'}}),
+    event('message.delta', { chunk: { content: prefix, msg_sequence: 1 } }),
+    event('tool.call.started', {
+      tool_call_id: 'w',
+      tool_name: 'write',
+      parameters: { path: '/workspace/a' },
+    }),
+    event('tool.call.completed', {
+      tool_call_id: 'w',
+      tool_name: 'write',
+      result: { ok: true },
+    }),
+    event('message.delta', {
+      chunk: { content: prefix + 'now read', msg_sequence: 1 },
+    }),
+    event('tool.call.started', { tool_call_id: 'r', tool_name: 'read' }),
+    event('tool.call.completed', {
+      tool_call_id: 'r',
+      tool_name: 'read',
+      result: { ok: true },
+    }),
+    event('message.delta', {
+      chunk: { content: prefix + 'now read' + 'done', msg_sequence: 1 },
+    }),
+    event('message.completed', { message: { content: 'done' } }),
   ]);
-  const messages = steps.filter(s=>s.kind==='message');
+  const messages = steps.filter((s) => s.kind === 'message');
   assert.deepEqual(messages, [
-    {kind:'message',text:'',reasoning:'first thought'},
-    {kind:'message',text:'now read',reasoning:''},
-    {kind:'message',text:'done',reasoning:''},
+    { kind: 'message', text: '', reasoning: 'first thought' },
+    { kind: 'message', text: 'now read', reasoning: '' },
+    { kind: 'message', text: 'done', reasoning: '' },
   ]);
 });