feat(activity): Simplify query statements and improve code readability

backend/app/api/activity.py

@@ -22,9 +22,5 @@ def list_activity(
     statement = select(ActivityEvent)
     if actor.actor_type == "agent" and actor.agent:
         statement = statement.where(ActivityEvent.agent_id == actor.agent.id)
-    statement = (
-        statement.order_by(desc(col(ActivityEvent.created_at)))
-        .offset(offset)
-        .limit(limit)
-    )
+    statement = statement.order_by(desc(col(ActivityEvent.created_at))).offset(offset).limit(limit)
     return list(session.exec(statement))

backend/app/api/agents.py

@@ -5,22 +5,18 @@ from datetime import datetime, timedelta
 from uuid import UUID, uuid4
 
 from fastapi import APIRouter, Depends, HTTPException, status
-from sqlmodel import Session, col, select
 from sqlalchemy import update
+from sqlmodel import Session, col, select
 
 from app.api.deps import ActorContext, require_admin_auth, require_admin_or_agent
 from app.core.agent_tokens import generate_agent_token, hash_agent_token, verify_agent_token
 from app.core.auth import AuthContext
 from app.core.config import settings
 from app.db.session import get_session
-from app.integrations.openclaw_gateway import (
-    GatewayConfig as GatewayClientConfig,
-    OpenClawGatewayError,
-    ensure_session,
-    send_message,
-)
-from app.models.agents import Agent
+from app.integrations.openclaw_gateway import GatewayConfig as GatewayClientConfig
+from app.integrations.openclaw_gateway import OpenClawGatewayError, ensure_session, send_message
 from app.models.activity_events import ActivityEvent
+from app.models.agents import Agent
 from app.models.boards import Board
 from app.models.gateways import Gateway
 from app.schemas.agents import (
@@ -28,9 +24,9 @@ from app.schemas.agents import (
     AgentDeleteConfirm,
     AgentHeartbeat,
     AgentHeartbeatCreate,
+    AgentProvisionConfirm,
     AgentRead,
     AgentUpdate,
-    AgentProvisionConfirm,
 )
 from app.services.activity_log import record_activity
 from app.services.agent_provisioning import (
@@ -76,9 +72,7 @@ def _require_board(session: Session, board_id: UUID | str | None) -> Board:
     return board
 
 
-def _require_gateway(
-    session: Session, board: Board
-) -> tuple[Gateway, GatewayClientConfig]:
+def _require_gateway(session: Session, board: Board) -> tuple[Gateway, GatewayClientConfig]:
     if not board.gateway_id:
         raise HTTPException(
             status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
@@ -140,9 +134,7 @@ def _record_heartbeat(session: Session, agent: Agent) -> None:
     )
 
 
-def _record_instruction_failure(
-    session: Session, agent: Agent, error: str, action: str
-) -> None:
+def _record_instruction_failure(session: Session, agent: Agent, error: str, action: str) -> None:
     action_label = action.replace("_", " ").capitalize()
     record_activity(
         session,
@@ -206,9 +198,7 @@ async def create_agent(
     agent.provision_confirm_token_hash = hash_agent_token(provision_token)
     agent.provision_requested_at = datetime.utcnow()
     agent.provision_action = "provision"
-    session_key, session_error = await _ensure_gateway_session(
-        agent.name, client_config
-    )
+    session_key, session_error = await _ensure_gateway_session(agent.name, client_config)
     agent.openclaw_session_id = session_key
     session.add(agent)
     session.commit()
@@ -315,9 +305,7 @@ async def update_agent(
     session.commit()
     session.refresh(agent)
     try:
-        await send_update_message(
-            agent, board, gateway, raw_token, provision_token, auth.user
-        )
+        await send_update_message(agent, board, gateway, raw_token, provision_token, auth.user)
         record_activity(
             session,
             event_type="agent.update.requested",
@@ -383,9 +371,7 @@ async def heartbeat_or_create_agent(
         agent.provision_confirm_token_hash = hash_agent_token(provision_token)
         agent.provision_requested_at = datetime.utcnow()
         agent.provision_action = "provision"
-        session_key, session_error = await _ensure_gateway_session(
-            agent.name, client_config
-        )
+        session_key, session_error = await _ensure_gateway_session(agent.name, client_config)
         agent.openclaw_session_id = session_key
         session.add(agent)
         session.commit()
@@ -456,9 +442,7 @@ async def heartbeat_or_create_agent(
     elif not agent.openclaw_session_id:
         board = _require_board(session, str(agent.board_id) if agent.board_id else None)
         gateway, client_config = _require_gateway(session, board)
-        session_key, session_error = await _ensure_gateway_session(
-            agent.name, client_config
-        )
+        session_key, session_error = await _ensure_gateway_session(agent.name, client_config)
         agent.openclaw_session_id = session_key
         if session_error:
             record_activity(
@@ -533,7 +517,7 @@ def delete_agent(
             "2) Delete the agent session from the gateway.\n"
             "3) Confirm deletion by calling:\n"
             f"   POST {base_url}/api/v1/agents/{agent.id}/delete/confirm\n"
-            "   Body: {\"token\": \"" + raw_token + "\"}\n"
+            '   Body: {"token": "' + raw_token + '"}\n'
             "Reply NO_REPLY."
         )
         await ensure_session(main_session, config=client_config, label="Main Agent")
@@ -647,9 +631,7 @@ def confirm_delete_agent(
         agent_id=None,
     )
     session.execute(
-        update(ActivityEvent)
-        .where(col(ActivityEvent.agent_id) == agent.id)
-        .values(agent_id=None)
+        update(ActivityEvent).where(col(ActivityEvent.agent_id) == agent.id).values(agent_id=None)
     )
     session.delete(agent)
     session.commit()

backend/app/api/boards.py

@@ -8,16 +8,11 @@ from fastapi import APIRouter, Depends, HTTPException, status
 from sqlalchemy import delete
 from sqlmodel import Session, col, select
 
-from app.api.deps import (
-    ActorContext,
-    get_board_or_404,
-    require_admin_auth,
-    require_admin_or_agent,
-)
+from app.api.deps import ActorContext, get_board_or_404, require_admin_auth, require_admin_or_agent
 from app.core.auth import AuthContext
 from app.db.session import get_session
+from app.integrations.openclaw_gateway import GatewayConfig as GatewayClientConfig
 from app.integrations.openclaw_gateway import (
-    GatewayConfig as GatewayClientConfig,
     OpenClawGatewayError,
     delete_session,
     ensure_session,
@@ -184,9 +179,7 @@ def delete_board(
     auth: AuthContext = Depends(require_admin_auth),
 ) -> dict[str, bool]:
     agents = list(session.exec(select(Agent).where(Agent.board_id == board.id)))
-    task_ids = list(
-        session.exec(select(Task.id).where(Task.board_id == board.id))
-    )
+    task_ids = list(session.exec(select(Task.id).where(Task.board_id == board.id)))
 
     config, client_config = _board_gateway(session, board)
     if config and client_config:
@@ -200,14 +193,10 @@ def delete_board(
             ) from exc
 
     if task_ids:
-        session.execute(
-            delete(ActivityEvent).where(col(ActivityEvent.task_id).in_(task_ids))
-        )
+        session.execute(delete(ActivityEvent).where(col(ActivityEvent.task_id).in_(task_ids)))
     if agents:
         agent_ids = [agent.id for agent in agents]
-        session.execute(
-            delete(ActivityEvent).where(col(ActivityEvent.agent_id).in_(agent_ids))
-        )
+        session.execute(delete(ActivityEvent).where(col(ActivityEvent.agent_id).in_(agent_ids)))
         session.execute(delete(Agent).where(col(Agent.id).in_(agent_ids)))
     session.execute(delete(Task).where(col(Task.board_id) == board.id))
     session.delete(board)

backend/app/api/gateway.py

@@ -4,8 +4,9 @@ from fastapi import APIRouter, Body, Depends, HTTPException, Query, status
 from sqlmodel import Session
 
 from app.core.auth import AuthContext, get_auth_context
+from app.db.session import get_session
+from app.integrations.openclaw_gateway import GatewayConfig as GatewayClientConfig
 from app.integrations.openclaw_gateway import (
-    GatewayConfig as GatewayClientConfig,
     OpenClawGatewayError,
     ensure_session,
     get_chat_history,
@@ -17,7 +18,6 @@ from app.integrations.openclaw_gateway_protocol import (
     GATEWAY_METHODS,
     PROTOCOL_VERSION,
 )
-from app.db.session import get_session
 from app.models.boards import Board
 from app.models.gateways import Gateway
 
@@ -71,9 +71,7 @@ def _resolve_gateway(
 def _require_gateway(
     session: Session, board_id: str | None
 ) -> tuple[Board, GatewayClientConfig, str | None]:
-    board, config, main_session = _resolve_gateway(
-        session, board_id, None, None, None
-    )
+    board, config, main_session = _resolve_gateway(session, board_id, None, None, None)
     if board is None:
         raise HTTPException(
             status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
@@ -108,9 +106,7 @@ async def gateways_status(
         main_session_error: str | None = None
         if main_session:
             try:
-                ensured = await ensure_session(
-                    main_session, config=config, label="Main Agent"
-                )
+                ensured = await ensure_session(main_session, config=config, label="Main Agent")
                 if isinstance(ensured, dict):
                     main_session_entry = ensured.get("entry") or ensured
             except OpenClawGatewayError as exc:
@@ -157,9 +153,7 @@ async def list_gateway_sessions(
     main_session_entry: object | None = None
     if main_session:
         try:
-            ensured = await ensure_session(
-                main_session, config=config, label="Main Agent"
-            )
+            ensured = await ensure_session(main_session, config=config, label="Main Agent")
             if isinstance(ensured, dict):
                 main_session_entry = ensured.get("entry") or ensured
         except OpenClawGatewayError:
@@ -194,9 +188,7 @@ async def get_gateway_session(
         sessions_list = list(sessions.get("sessions") or [])
     else:
         sessions_list = list(sessions or [])
-    if main_session and not any(
-        session.get("key") == main_session for session in sessions_list
-    ):
+    if main_session and not any(session.get("key") == main_session for session in sessions_list):
         try:
             await ensure_session(main_session, config=config, label="Main Agent")
             refreshed = await openclaw_call("sessions.list", config=config)
@@ -206,9 +198,7 @@ async def get_gateway_session(
                 sessions_list = list(refreshed or [])
         except OpenClawGatewayError:
             pass
-    session_entry = next(
-        (item for item in sessions_list if item.get("key") == session_id), None
-    )
+    session_entry = next((item for item in sessions_list if item.get("key") == session_id), None)
     if session_entry is None and main_session and session_id == main_session:
         try:
             ensured = await ensure_session(main_session, config=config, label="Main Agent")

backend/app/api/gateways.py

@@ -7,12 +7,8 @@ from sqlmodel import Session, select
 
 from app.core.auth import AuthContext, get_auth_context
 from app.db.session import get_session
-from app.integrations.openclaw_gateway import (
-    GatewayConfig as GatewayClientConfig,
-    OpenClawGatewayError,
-    ensure_session,
-    send_message,
-)
+from app.integrations.openclaw_gateway import GatewayConfig as GatewayClientConfig
+from app.integrations.openclaw_gateway import OpenClawGatewayError, ensure_session, send_message
 from app.models.gateways import Gateway
 from app.schemas.gateways import GatewayCreate, GatewayRead, GatewayUpdate
 
@@ -237,9 +233,7 @@ async def _send_skyll_enable_message(gateway: Gateway) -> None:
     if not gateway.main_session_key:
         raise OpenClawGatewayError("gateway main_session_key is required")
     client_config = GatewayClientConfig(url=gateway.url, token=gateway.token)
-    await ensure_session(
-        gateway.main_session_key, config=client_config, label="Main Agent"
-    )
+    await ensure_session(gateway.main_session_key, config=client_config, label="Main Agent")
     await send_message(
         SKYLL_ENABLE_MESSAGE,
         session_key=gateway.main_session_key,
@@ -254,9 +248,7 @@ async def _send_skyll_disable_message(gateway: Gateway) -> None:
     if not gateway.main_session_key:
         raise OpenClawGatewayError("gateway main_session_key is required")
     client_config = GatewayClientConfig(url=gateway.url, token=gateway.token)
-    await ensure_session(
-        gateway.main_session_key, config=client_config, label="Main Agent"
-    )
+    await ensure_session(gateway.main_session_key, config=client_config, label="Main Agent")
     await send_message(
         SKYLL_DISABLE_MESSAGE,
         session_key=gateway.main_session_key,

backend/app/api/metrics.py

@@ -5,7 +5,7 @@ from datetime import datetime, timedelta
 from typing import Literal
 
 from fastapi import APIRouter, Depends, Query
-from sqlalchemy import case, func
+from sqlalchemy import DateTime, case, cast, func
 from sqlmodel import Session, col, select
 
 from app.api.deps import require_admin_auth
@@ -114,7 +114,7 @@ def _wip_series_from_mapping(
 def _query_throughput(session: Session, range_spec: RangeSpec) -> DashboardRangeSeries:
     bucket_col = func.date_trunc(range_spec.bucket, Task.updated_at).label("bucket")
     statement = (
-        select(bucket_col, func.count(Task.id))
+        select(bucket_col, func.count())
         .where(col(Task.status) == "review")
         .where(col(Task.updated_at) >= range_spec.start)
         .where(col(Task.updated_at) <= range_spec.end)
@@ -128,9 +128,8 @@ def _query_throughput(session: Session, range_spec: RangeSpec) -> DashboardRange
 
 def _query_cycle_time(session: Session, range_spec: RangeSpec) -> DashboardRangeSeries:
     bucket_col = func.date_trunc(range_spec.bucket, Task.updated_at).label("bucket")
-    duration_hours = func.extract(
-        "epoch", Task.updated_at - Task.in_progress_at
-    ) / 3600.0
+    in_progress = cast(Task.in_progress_at, DateTime)
+    duration_hours = func.extract("epoch", Task.updated_at - in_progress) / 3600.0
     statement = (
         select(bucket_col, func.avg(duration_hours))
         .where(col(Task.status) == "review")
@@ -146,9 +145,7 @@ def _query_cycle_time(session: Session, range_spec: RangeSpec) -> DashboardRange
 
 
 def _query_error_rate(session: Session, range_spec: RangeSpec) -> DashboardRangeSeries:
-    bucket_col = func.date_trunc(range_spec.bucket, ActivityEvent.created_at).label(
-        "bucket"
-    )
+    bucket_col = func.date_trunc(range_spec.bucket, ActivityEvent.created_at).label("bucket")
     error_case = case(
         (
             col(ActivityEvent.event_type).like(ERROR_EVENT_PATTERN),
@@ -157,7 +154,7 @@ def _query_error_rate(session: Session, range_spec: RangeSpec) -> DashboardRange
         else_=0,
     )
     statement = (
-        select(bucket_col, func.sum(error_case), func.count(ActivityEvent.id))
+        select(bucket_col, func.sum(error_case), func.count())
         .where(col(ActivityEvent.created_at) >= range_spec.start)
         .where(col(ActivityEvent.created_at) <= range_spec.end)
         .group_by(bucket_col)
@@ -204,9 +201,8 @@ def _query_wip(session: Session, range_spec: RangeSpec) -> DashboardWipRangeSeri
 def _median_cycle_time_7d(session: Session) -> float | None:
     now = datetime.utcnow()
     start = now - timedelta(days=7)
-    duration_hours = func.extract(
-        "epoch", Task.updated_at - Task.in_progress_at
-    ) / 3600.0
+    in_progress = cast(Task.in_progress_at, DateTime)
+    duration_hours = func.extract("epoch", Task.updated_at - in_progress) / 3600.0
     statement = (
         select(func.percentile_cont(0.5).within_group(duration_hours))
         .where(col(Task.status) == "review")
@@ -233,7 +229,7 @@ def _error_rate_kpi(session: Session, range_spec: RangeSpec) -> float:
         else_=0,
     )
     statement = (
-        select(func.sum(error_case), func.count(ActivityEvent.id))
+        select(func.sum(error_case), func.count())
         .where(col(ActivityEvent.created_at) >= range_spec.start)
         .where(col(ActivityEvent.created_at) <= range_spec.end)
     )
@@ -248,7 +244,7 @@ def _error_rate_kpi(session: Session, range_spec: RangeSpec) -> float:
 
 def _active_agents(session: Session) -> int:
     threshold = datetime.utcnow() - OFFLINE_AFTER
-    statement = select(func.count(Agent.id)).where(
+    statement = select(func.count()).where(
         col(Agent.last_seen_at).is_not(None),
         col(Agent.last_seen_at) >= threshold,
     )
@@ -257,7 +253,7 @@ def _active_agents(session: Session) -> int:
 
 
 def _tasks_in_progress(session: Session) -> int:
-    statement = select(func.count(Task.id)).where(col(Task.status) == "in_progress")
+    statement = select(func.count()).where(col(Task.status) == "in_progress")
     result = session.exec(statement).one()
     return int(result)
 

backend/app/api/tasks.py

@@ -16,17 +16,11 @@ from app.api.deps import (
 )
 from app.core.auth import AuthContext
 from app.db.session import get_session
-from app.models.agents import Agent
 from app.models.activity_events import ActivityEvent
+from app.models.agents import Agent
 from app.models.boards import Board
 from app.models.tasks import Task
-from app.schemas.tasks import (
-    TaskCommentCreate,
-    TaskCommentRead,
-    TaskCreate,
-    TaskRead,
-    TaskUpdate,
-)
+from app.schemas.tasks import TaskCommentCreate, TaskCommentRead, TaskCreate, TaskRead, TaskUpdate
 from app.services.activity_log import record_activity
 
 router = APIRouter(prefix="/boards/{board_id}/tasks", tags=["tasks"])

backend/app/core/agent_auth.py

@@ -18,9 +18,7 @@ class AgentAuthContext:
 
 
 def _find_agent_for_token(session: Session, token: str) -> Agent | None:
-    agents = list(
-        session.exec(select(Agent).where(col(Agent.agent_token_hash).is_not(None)))
-    )
+    agents = list(session.exec(select(Agent).where(col(Agent.agent_token_hash).is_not(None))))
     for agent in agents:
         if agent.agent_token_hash and verify_agent_token(token, agent.agent_token_hash):
             return agent

backend/app/core/agent_tokens.py

@@ -41,7 +41,5 @@ def verify_agent_token(token: str, stored_hash: str) -> bool:
         return False
     salt = _b64decode(salt_b64)
     expected_digest = _b64decode(digest_b64)
-    candidate = hashlib.pbkdf2_hmac(
-        "sha256", token.encode("utf-8"), salt, iterations_int
-    )
+    candidate = hashlib.pbkdf2_hmac("sha256", token.encode("utf-8"), salt, iterations_int)
     return hmac.compare_digest(candidate, expected_digest)

backend/app/core/logging.py

@@ -66,9 +66,7 @@ class AppLogFilter(logging.Filter):
 class JsonFormatter(logging.Formatter):
     def format(self, record: logging.LogRecord) -> str:
         payload: dict[str, Any] = {
-            "timestamp": datetime.fromtimestamp(
-                record.created, tz=timezone.utc
-            ).isoformat(),
+            "timestamp": datetime.fromtimestamp(record.created, tz=timezone.utc).isoformat(),
             "level": record.levelname,
             "logger": record.name,
             "message": record.getMessage(),

backend/app/models/agents.py

@@ -4,7 +4,7 @@ from datetime import datetime
 from typing import Any
 from uuid import UUID, uuid4
 
-from sqlalchemy import Column, JSON, Text
+from sqlalchemy import JSON, Column, Text
 from sqlmodel import Field, SQLModel
 
 
@@ -17,9 +17,7 @@ class Agent(SQLModel, table=True):
     status: str = Field(default="provisioning", index=True)
     openclaw_session_id: str | None = Field(default=None, index=True)
     agent_token_hash: str | None = Field(default=None, index=True)
-    heartbeat_config: dict[str, Any] | None = Field(
-        default=None, sa_column=Column(JSON)
-    )
+    heartbeat_config: dict[str, Any] | None = Field(default=None, sa_column=Column(JSON))
     identity_template: str | None = Field(default=None, sa_column=Column(Text))
     soul_template: str | None = Field(default=None, sa_column=Column(Text))
     provision_requested_at: datetime | None = Field(default=None)

backend/app/services/agent_provisioning.py

@@ -9,11 +9,8 @@ from uuid import uuid4
 from jinja2 import Environment, FileSystemLoader, StrictUndefined, select_autoescape
 
 from app.core.config import settings
-from app.integrations.openclaw_gateway import (
-    GatewayConfig as GatewayClientConfig,
-    ensure_session,
-    send_message,
-)
+from app.integrations.openclaw_gateway import GatewayConfig as GatewayClientConfig
+from app.integrations.openclaw_gateway import ensure_session, send_message
 from app.models.agents import Agent
 from app.models.boards import Board
 from app.models.gateways import Gateway
@@ -130,12 +127,12 @@ def _build_context(
         "auth_token": auth_token,
         "main_session_key": main_session_key,
         "workspace_root": workspace_root,
-        "user_name": user.name if user else "",
-        "user_preferred_name": user.preferred_name if user else "",
-        "user_pronouns": user.pronouns if user else "",
-        "user_timezone": user.timezone if user else "",
-        "user_notes": user.notes if user else "",
-        "user_context": user.context if user else "",
+        "user_name": (user.name or "") if user else "",
+        "user_preferred_name": (user.preferred_name or "") if user else "",
+        "user_pronouns": (user.pronouns or "") if user else "",
+        "user_timezone": (user.timezone or "") if user else "",
+        "user_notes": (user.notes or "") if user else "",
+        "user_context": (user.context or "") if user else "",
     }
 
 
@@ -146,9 +143,7 @@ def _build_file_blocks(context: dict[str, str], agent: Agent) -> str:
     if agent.soul_template:
         overrides["SOUL.md"] = agent.soul_template
     templates = _read_templates(context, overrides=overrides)
-    return "".join(
-        _render_file_block(name, templates.get(name, "")) for name in TEMPLATE_FILES
-    )
+    return "".join(_render_file_block(name, templates.get(name, "")) for name in TEMPLATE_FILES)
 
 
 def build_provisioning_message(
@@ -198,7 +193,7 @@ def build_provisioning_message(
         "run heartbeats.\n"
         "7) After provisioning completes, confirm by calling:\n"
         f"   POST {context['base_url']}/api/v1/agents/{context['agent_id']}/provision/confirm\n"
-        f"   Body: {{\"token\": \"{confirm_token}\", \"action\": \"provision\"}}\n\n"
+        f'   Body: {{"token": "{confirm_token}", "action": "provision"}}\n\n'
         "Files:" + file_blocks
     )
 
@@ -248,7 +243,7 @@ def build_update_message(
         "run heartbeats.\n"
         "7) After the update completes (and only after files are written), confirm by calling:\n"
         f"   POST {context['base_url']}/api/v1/agents/{context['agent_id']}/provision/confirm\n"
-        f"   Body: {{\"token\": \"{confirm_token}\", \"action\": \"update\"}}\n"
+        f'   Body: {{"token": "{confirm_token}", "action": "update"}}\n'
         "   Mission Control will send the hello message only after this confirmation.\n\n"
         "Files:" + file_blocks
     )
@@ -267,16 +262,10 @@ async def send_provisioning_message(
     if not gateway.main_session_key:
         raise ValueError("gateway_main_session_key is required")
     main_session = gateway.main_session_key
-    client_config = GatewayClientConfig(
-        url=gateway.url, token=gateway.token
-    )
+    client_config = GatewayClientConfig(url=gateway.url, token=gateway.token)
     await ensure_session(main_session, config=client_config, label="Main Agent")
-    message = build_provisioning_message(
-        agent, board, gateway, auth_token, confirm_token, user
-    )
-    await send_message(
-        message, session_key=main_session, config=client_config, deliver=False
-    )
+    message = build_provisioning_message(agent, board, gateway, auth_token, confirm_token, user)
+    await send_message(message, session_key=main_session, config=client_config, deliver=False)
 
 
 async def send_update_message(
@@ -292,13 +281,7 @@ async def send_update_message(
     if not gateway.main_session_key:
         raise ValueError("gateway_main_session_key is required")
     main_session = gateway.main_session_key
-    client_config = GatewayClientConfig(
-        url=gateway.url, token=gateway.token
-    )
+    client_config = GatewayClientConfig(url=gateway.url, token=gateway.token)
     await ensure_session(main_session, config=client_config, label="Main Agent")
-    message = build_update_message(
-        agent, board, gateway, auth_token, confirm_token, user
-    )
-    await send_message(
-        message, session_key=main_session, config=client_config, deliver=False
-    )
+    message = build_update_message(agent, board, gateway, auth_token, confirm_token, user)
+    await send_message(message, session_key=main_session, config=client_config, deliver=False)