refactor: clean up imports and improve session key assertion formatting

backend/app/api/board_onboarding.py

@@ -32,8 +32,8 @@ from app.schemas.board_onboarding import (
     BoardOnboardingUserProfile,
 )
 from app.schemas.boards import BoardRead
-from app.services.openclaw.gateway_resolver import get_gateway_for_board
 from app.services.openclaw.gateway_dispatch import GatewayDispatchService
+from app.services.openclaw.gateway_resolver import get_gateway_for_board
 from app.services.openclaw.onboarding_service import BoardOnboardingMessagingService
 from app.services.openclaw.policies import OpenClawAuthorizationPolicy
 from app.services.openclaw.provisioning_db import (

backend/app/api/boards.py

@@ -20,19 +20,9 @@ from app.core.time import utcnow
 from app.db import crud
 from app.db.pagination import paginate
 from app.db.session import get_session
-from app.models.activity_events import ActivityEvent
-from app.models.agents import Agent
-from app.models.approvals import Approval
 from app.models.board_groups import BoardGroup
-from app.models.board_memory import BoardMemory
-from app.models.board_onboarding import BoardOnboardingSession
 from app.models.boards import Board
 from app.models.gateways import Gateway
-from app.models.organization_board_access import OrganizationBoardAccess
-from app.models.organization_invite_board_access import OrganizationInviteBoardAccess
-from app.models.task_dependencies import TaskDependency
-from app.models.task_fingerprints import TaskFingerprint
-from app.models.tasks import Task
 from app.schemas.boards import BoardCreate, BoardRead, BoardUpdate
 from app.schemas.common import OkResponse
 from app.schemas.pagination import DefaultLimitOffsetPage

backend/app/services/board_lifecycle.py

@@ -109,4 +109,3 @@ async def delete_board(session: AsyncSession, *, board: Board) -> OkResponse:
     await session.delete(board)
     await session.commit()
     return OkResponse()
-

backend/app/services/openclaw/gateway_dispatch.py

@@ -12,8 +12,8 @@ from app.models.boards import Board
 from app.models.gateways import Gateway
 from app.services.openclaw.db_service import OpenClawDBService
 from app.services.openclaw.gateway_resolver import (
-    get_gateway_for_board,
     gateway_client_config,
+    get_gateway_for_board,
     optional_gateway_client_config,
     require_gateway_for_board,
 )