diff --git a/frontend-web/src/components/workspace/artifacts/context.tsx b/frontend-web/src/components/workspace/artifacts/context.tsx
index e15481af..f864d965 100644
--- a/frontend-web/src/components/workspace/artifacts/context.tsx
+++ b/frontend-web/src/components/workspace/artifacts/context.tsx
@@ -32,7 +32,10 @@ interface ArtifactsProviderProps {
 }
 
 export function ArtifactsProvider({ children }: ArtifactsProviderProps) {
-  const [artifacts, setArtifacts] = useState<string[]>([]);
+  const [artifacts, setArtifactsState] = useState<string[]>([]);
+  const setArtifacts = useCallback((next: string[]) => {
+    setArtifactsState(Array.isArray(next) ? next : []);
+  }, []);
   const [selectedArtifact, setSelectedArtifact] = useState<string | null>(null);
   const [autoSelect, setAutoSelect] = useState(true);
   const [open, setOpen] = useState(
diff --git a/frontend-web/src/roundtable-planning/components/Step2SandboxLayout.tsx b/frontend-web/src/roundtable-planning/components/Step2SandboxLayout.tsx
index 5998cbf6..3b33d59e 100644
--- a/frontend-web/src/roundtable-planning/components/Step2SandboxLayout.tsx
+++ b/frontend-web/src/roundtable-planning/components/Step2SandboxLayout.tsx
@@ -50,11 +50,12 @@ export function Step2SandboxLayout({
 }: Step2SandboxLayoutProps) {
   const layoutRef = useRef<GroupImperativeHandle>(null);
   const {
-    artifacts,
+    artifacts: rawArtifacts,
     open: artifactsOpen,
     setOpen: setArtifactsOpen,
     selectedArtifact,
   } = useArtifacts();
+  const artifacts = rawArtifacts ?? [];
 
   const artifactPanelOpen = artifactsOpen;
 
diff --git a/frontend-web/src/roundtable-planning/hooks/useStep2Orchestration.ts b/frontend-web/src/roundtable-planning/hooks/useStep2Orchestration.ts
index 54c65b56..5d7c54ce 100644
--- a/frontend-web/src/roundtable-planning/hooks/useStep2Orchestration.ts
+++ b/frontend-web/src/roundtable-planning/hooks/useStep2Orchestration.ts
@@ -234,7 +234,7 @@ export function useStep2Orchestration(
   } = useArtifacts();
   const artifactPathsRef = useRef<string[]>([]);
   useEffect(() => {
-    artifactPathsRef.current = artifacts;
+    artifactPathsRef.current = artifacts ?? [];
   }, [artifacts]);
   // 用户手动关掉沙箱后,autoOpen 会被 ArtifactsProvider 置 false —— 把它们打到 ref
   // 上,让 openSeatVirtualArtifact 不用进 useCallback deps,避免每次 toggle 重建函数。
diff --git a/offline-backend-20260512/backend/app/gateway/routers/multi_agent.py b/offline-backend-20260512/backend/app/gateway/routers/multi_agent.py
index bcf6bb01..5f92a3e6 100644
--- a/offline-backend-20260512/backend/app/gateway/routers/multi_agent.py
+++ b/offline-backend-20260512/backend/app/gateway/routers/multi_agent.py
@@ -53,13 +53,17 @@ import os
 import re
 import time
 import traceback
+import uuid
 from typing import Any, AsyncIterator
 
 import httpx
 from deerflow.config import get_app_config
 from deerflow.tools.builtins.clarification_utils import resolve_allow_multiple
+from deerflow.runtime.user_context import get_effective_user_id
+from deerflow.utils.time import now_iso
 from fastapi import APIRouter, Body, HTTPException, Request
 from fastapi.responses import StreamingResponse
+from langgraph.checkpoint.base import empty_checkpoint
 
 logger = logging.getLogger(__name__)
 router = APIRouter(prefix="/api/multi-agent", tags=["multi-agent"])
@@ -323,6 +327,178 @@ async def _create_agent(
     return False, resp.text
 
 
+# ---------------------------------------------------------------------------
+# 同进程直调 helpers(仅供 init_multi_agent 用,不要扩散到其它地方)
+#
+# init 阶段串了 N+1 个 thread create + N 个 GET /api/agents + 1 个 POST /api/agents,
+# 用 HTTP loopback 串走每次都得 TCP + 鉴权中间件 + Pydantic 反序列化一遍。每个
+# 调用 10-30ms,加起来对前端就是「点进 Step 2 后席位灯一颗一颗亮」的卡顿来源。
+#
+# 这里把这三个调用改成直接吃 app.state 里的 store/checkpointer —— 跑在同一个事
+# 件循环里,省掉 TCP + 序列化 + 中间件链。鉴权 / 校验 / 文件副作用按需在直调
+# helper 里显式做掉,不要"绕过"任何一项。
+#
+# 设计边界:这里只覆盖 init 阶段。SSE 长连接(/runs/stream / state)留在 HTTP
+# loopback,因为它们本就是别的进程模型(LangGraph 子树),抽出来风险大收益小。
+# ---------------------------------------------------------------------------
+
+
+def _resolve_user_id(request: Request) -> str:
+    """与 routers/agents._current_user_id 完全等价,直调路径里用。"""
+    user = getattr(request.state, "user", None)
+    if user is not None:
+        return str(user.id)
+    return get_effective_user_id()
+
+
+async def _create_thread_direct(request: Request) -> str:
+    """同进程版的 ``POST /api/threads``。
+
+    完全镜像 ``routers/threads.create_thread`` 的写盘动作(thread_meta +
+    空 checkpoint),但跳过 TCP + Pydantic 反序列化。仅供 init 阶段批量建席位
+    线程用,失败时抛 HTTPException 由 SSE 帧上报。
+    """
+    from app.gateway.deps import get_checkpointer, get_thread_store
+
+    checkpointer = get_checkpointer(request)
+    thread_store = get_thread_store(request)
+    thread_id = str(uuid.uuid4())
+    now = now_iso()
+
+    try:
+        await thread_store.create(thread_id, assistant_id=None, metadata={})
+    except Exception:
+        logger.exception("[init-direct] thread_meta create failed for %s", thread_id)
+        raise HTTPException(status_code=500, detail="Failed to create thread")
+
+    config = {"configurable": {"thread_id": thread_id, "checkpoint_ns": ""}}
+    ckpt_metadata = {
+        "step": -1,
+        "source": "input",
+        "writes": None,
+        "parents": {},
+        "created_at": now,
+    }
+    try:
+        await checkpointer.aput(config, empty_checkpoint(), ckpt_metadata, {})
+    except Exception:
+        logger.exception("[init-direct] checkpoint create failed for %s", thread_id)
+        raise HTTPException(status_code=500, detail="Failed to create thread")
+    return thread_id
+
+
+async def _get_agents_batch_direct(
+    request: Request,
+    agent_ids: list[str],
+) -> dict[str, dict[str, Any]]:
+    """同进程版的 N 个并行 ``GET /api/agents/{id}`` 合并为 1 次 DB 查询。
+
+    返回 ``{agent_id: {id, name, description}}``。**严格模式**:任一席位对当前
+    用户不可见就抛 404 —— 与原 HTTP loopback 的 ``_get_agent`` 行为一致(原路径
+    单查 404 会 raise,在外层被 except 捕获并 yield error 帧),不要悄悄回退。
+    """
+    from app.gateway.deps import get_agent_store
+
+    store = get_agent_store(request)
+    user_id = _resolve_user_id(request)
+    records = await store.list_by_ids(agent_ids, user_id)
+    out: dict[str, dict[str, Any]] = {}
+    for r in records:
+        rid = str(r.get("id") or "").lower()
+        if not rid:
+            continue
+        out[rid] = {
+            "id": rid,
+            "name": str(r.get("name") or rid),
+            "description": str(r.get("description") or ""),
+        }
+    missing = [sid for sid in agent_ids if sid.lower() not in out]
+    if missing:
+        raise HTTPException(
+            status_code=404,
+            detail=f"Agent(s) not visible to current user: {', '.join(missing)}",
+        )
+    return out
+
+
+async def _create_coordinator_direct(
+    request: Request,
+    *,
+    agent_id: str,
+    name: str,
+    description: str,
+    soul: str,
+    model: str | None,
+    skills: list[str] | None,
+) -> tuple[bool, dict[str, Any] | str]:
+    """同进程版的协调 agent 创建。
+
+    完整复刻 ``routers/agents.create_agent_endpoint`` 的关键副作用:
+      - ``agents_api.enabled`` master switch
+      - 显示名校验(空白则 422 → 这里转 (False, msg))
+      - 重复 id 检查(409 → (False, msg))
+      - 写 ``config.yaml`` + ``SOUL.md``(用 ``asyncio.to_thread`` 防同步 IO 阻塞)
+      - ``agent_store.create`` 入表
+
+    返回 ``(True, record)`` 或 ``(False, error_text)``;调用方决定要不要发 SSE error 帧。
+    """
+    from app.gateway.deps import get_agent_store
+    from app.gateway.routers.agents import (
+        _require_agents_api_enabled,
+        _write_agent_config,
+        _write_agent_soul,
+    )
+    from deerflow.config.paths import get_paths
+
+    _require_agents_api_enabled()
+    normalized_name = (name or "").strip()
+    if not normalized_name:
+        return False, "Agent name cannot be empty"
+
+    store = get_agent_store(request)
+    if await store.get_any(agent_id) is not None:
+        return False, f"Agent id '{agent_id}' already exists"
+
+    agent_dir = get_paths().agent_dir(agent_id)
+    if agent_dir.exists():
+        return False, f"Agent id '{agent_id}' already exists"
+
+    try:
+        # config.yaml / SOUL.md 是同步 IO —— 全部丢线程池,不阻塞 init SSE 的发帧节奏。
+        await asyncio.to_thread(
+            _write_agent_config,
+            agent_id,
+            name=normalized_name,
+            description=description or "",
+            skills=skills,
+            model=model,
+            tool_groups=None,
+        )
+        await asyncio.to_thread(_write_agent_soul, agent_id, soul)
+        record = await store.create(
+            {
+                "id": agent_id,
+                "name": normalized_name,
+                "description": description or "",
+                "user_id": _resolve_user_id(request),
+                "published": False,
+            }
+        )
+        return True, record
+    except Exception as exc:
+        # 与 routers/agents 失败回滚一致 —— 文件已写出但 DB 失败时清掉 dir,避免下次
+        # `agent_dir.exists()` 误判为"已存在"导致后续 init 永远 409。
+        try:
+            if agent_dir.exists():
+                import shutil
+
+                await asyncio.to_thread(shutil.rmtree, agent_dir)
+        except Exception:
+            logger.exception("[init-direct] cleanup after coordinator create failure")
+        logger.exception("[init-direct] coordinator create failed")
+        return False, str(exc)
+
+
 async def _append_thread_message(
     client: httpx.AsyncClient,
     base: str,
@@ -456,6 +632,8 @@ def _run_payload(
     new_message: str,
     excluded_tools: list[str],
     skill_stop_names: list[str],
+    thinking_enabled: bool = True,
+    reasoning_effort: str = "medium",
 ) -> dict[str, Any]:
     """构造 ``POST /api/threads/{thread_id}/runs/stream`` 的请求体。
 
@@ -463,6 +641,10 @@ def _run_payload(
     - ``excluded_tools``：按路由裁剪工具面（intent 仅澄清、special 禁派活等）。
     - ``skill_stop_names``：leader 侧配合 SkillStopMiddleware 在 ``agent_orchestration``
       调用后截断图，以便网关从 AIMessage.tool_calls 解析派活列表。
+    - ``thinking_enabled`` / ``reasoning_effort``：默认开 CoT + medium，适合 Step 1 澄清
+      与子智能体交付这类需要推理的场景。**推荐弹窗与总控派活**是短决策任务，调用方
+      应传 ``thinking_enabled=False`` + ``reasoning_effort="low"``，省掉模型先吐
+      reasoning tokens 才开口的时间，显著降低前端"调度中"首字节延迟。
     """
     return {
         "input": {
@@ -479,11 +661,17 @@ def _run_payload(
             "agent_name": agent_name,
             "model_name": model_name,
             "mode": "pro",
-            "reasoning_effort": "medium",
-            "thinking_enabled": True,
+            "reasoning_effort": reasoning_effort,
+            "thinking_enabled": thinking_enabled,
             "is_plan_mode": False,
             "subagent_enabled": False,
             "thread_id": thread_id,
+            # 圆桌四个 router(intent / recommend / leader / special)都是临时任务,
+            # 用户个人记忆与本次研讨无关。MemoryMiddleware 的 Hindsight recall 是
+            # 同步阻塞 HTTP 调用(单次 timeout 15s),如果记忆服务慢/不通会让前端
+            # "调度中"卡很久;这里默认跳过,builtin USER.md/MEMORY.md 仍通过系统
+            # 提示注入不受影响。
+            "memory_recall_disabled": True,
         },
         "stream_mode": ["messages-tuple", "values"],
         "stream_subgraphs": True,
@@ -534,111 +722,130 @@ async def init_multi_agent(request: Request, payload: dict = Body(...)) -> Strea
         _validate_agent_id(name, "agent_names entry")
     _validate_agent_id(main_agent_name, "main_agent_name")
 
-    base = _loopback_base(request)
-    headers = _auth_headers(request)
-
     def _frame(payload: dict[str, Any]) -> str:
         return f"data: {json.dumps(payload, ensure_ascii=False)}\n\n"
 
     async def stream_generator() -> AsyncIterator[str]:
-        # TCP loopback 到 127.0.0.1:<gateway port>。client 配置见 _make_loopback_client：
-        # trust_env=False 防 HTTP_PROXY 拦截,timeout=None 容纳 SSE 长连接。
-        async with _make_loopback_client(request) as client:
-            try:
-                # Per-seat prepare task — same body as before, but we no longer
-                # await them with asyncio.gather. Instead, asyncio.as_completed
-                # surfaces them in REAL completion order so we can emit a
-                # seat_ready frame the moment each finishes.
-                async def _prepare_sub_agent(sub_id: str) -> tuple[str, str, str, str]:
-                    info = await _get_agent(client, base, headers, sub_id)
-                    display_name = str(info.get("name") or sub_id)
-                    description = info.get("description", "") or ""
-                    thread_id = await _create_thread(client, base, headers)
-                    return sub_id.lower(), thread_id, display_name, description
+        # init 阶段 fast path:全部走同进程直调(_create_thread_direct /
+        # _get_agents_batch_direct / _create_coordinator_direct),不再走 HTTP
+        # loopback —— TCP + 鉴权中间件 + Pydantic 反序列化每次 10-30ms,N+1 个席位
+        # 累计就是"点进 Step 2 后席位一颗颗亮"的卡顿来源。
+        try:
+            t_init_start = time.perf_counter()
+            # 1) 一次 DB 查询拿到所有席位的 name/description,替代之前的 N 个并行
+            #    GET /api/agents/{id}。SOUL 拼接需要描述,这里一次性拿齐。
+            agent_meta = await _get_agents_batch_direct(request, agent_names)
+            t_meta_done = time.perf_counter()
 
-                tasks = [asyncio.create_task(_prepare_sub_agent(sid)) for sid in agent_names]
-                prepared: list[tuple[str, str, str, str]] = []
-                try:
-                    for fut in asyncio.as_completed(tasks):
-                        sid, thread_id, display_name, description = await fut
-                        prepared.append((sid, thread_id, display_name, description))
-                        yield _frame({
-                            "event": "seat_ready",
-                            "agent_name": sid,
-                            "thread_id": thread_id,
-                            "display_name": display_name,
-                            "description": description,
-                        })
-                except Exception:
-                    # Cancel any still-pending sibling so we don't leak tasks
-                    # past the AsyncClient close.
-                    for t in tasks:
-                        if not t.done():
-                            t.cancel()
-                    raise
-
-                agent_threads: dict[str, str] = {sid: thread_id for sid, thread_id, _, _ in prepared}
-                descriptions: list[str] = [
-                    f"- agent_name: {sid}（{display_name}）：{description}"
-                    for sid, _, display_name, description in prepared
-                ]
-
-                # 动态 SOUL：把本次 init 的席位列表写进总控 prompt，供 agent_orchestration 派活。
-                soul = (
-                    "#核心定位：\n"
-                    "用途：根据用户的任务目标,调用其他智能体干活,只负责协调汇总,"
-                    "当你觉得已有信息支持回答用户问题时候,停止调度,并输出最后的结果\n"
-                    "#调度方法：\n"
-                    "通过使用agent_orchestration技能调用其他智能体干活,使用技能时传入agent_name和需要做的活。"
-                    "注意：agent_name 必须严格使用下方列出的英文 id（例如 roundtable-intelligence,"
-                    "或形如 02714cbe6e64406a8a4659f0e3d9c0b8 这样的 UUID）,"
-                    "不要把括号里的中文显示名拼进 agent_name 里。\n"
-                    "#关键约束(必读)：\n"
-                    "1. **不要对同一子智能体重复派同样的活**：每次派活前回顾对话历史,"
-                    "如果某个子智能体已经针对你正要派的任务完成过交付("
-                    "看到形如\"子智能体[名称]完成XX工作,交付内容为:...\"的 human 消息),"
-                    "就直接基于已有交付推进,**不要重复派活**,除非你确实有**具体的、不一样的**补充问题。\n"
-                    "2. **看到交付要会用**：子智能体的交付内容会作为 human 消息追加到你的对话历史里,"
-                    "你能完整看见。当各方信息已足够形成结论时,**直接综合输出最终方案**(此时不再调用任何工具),"
-                    "让讨论收敛。\n"
-                    "3. **避免无意义循环**：如果连续两轮都没有新信息流入,立刻停止派活并基于现有素材给出最终结论。\n"
-                    "#可调度智能体：\n"
-                    + "\n".join(descriptions)
+            # 2) 每个席位 thread 并行创建(直调 thread_store + checkpointer),
+            #    用 asyncio.as_completed 保持"先完先发 seat_ready"的体验。
+            async def _prepare_sub_agent(sub_id: str) -> tuple[str, str, str, str]:
+                thread_id = await _create_thread_direct(request)
+                meta = agent_meta.get(sub_id.lower(), {})
+                return (
+                    sub_id.lower(),
+                    thread_id,
+                    str(meta.get("name") or sub_id),
+                    str(meta.get("description") or ""),
                 )
 
-                coord_thread = await _create_thread(client, base, headers)
-                agent_threads[main_agent_name] = coord_thread
-                ok, result = await _create_agent(
-                    client,
-                    base,
-                    headers,
+            tasks = [asyncio.create_task(_prepare_sub_agent(sid)) for sid in agent_names]
+            prepared: list[tuple[str, str, str, str]] = []
+            try:
+                for fut in asyncio.as_completed(tasks):
+                    sid, thread_id, display_name, description = await fut
+                    prepared.append((sid, thread_id, display_name, description))
+                    yield _frame({
+                        "event": "seat_ready",
+                        "agent_name": sid,
+                        "thread_id": thread_id,
+                        "display_name": display_name,
+                        "description": description,
+                    })
+            except Exception:
+                # Cancel any still-pending sibling so partially-prepared seats
+                # don't keep running past the stream close.
+                for t in tasks:
+                    if not t.done():
+                        t.cancel()
+                raise
+            t_seats_done = time.perf_counter()
+
+            agent_threads: dict[str, str] = {sid: thread_id for sid, thread_id, _, _ in prepared}
+            descriptions: list[str] = [
+                f"- agent_name: {sid}（{display_name}）：{description}"
+                for sid, _, display_name, description in prepared
+            ]
+
+            # 动态 SOUL：把本次 init 的席位列表写进总控 prompt，供 agent_orchestration 派活。
+            soul = (
+                "#核心定位：\n"
+                "用途：根据用户的任务目标,调用其他智能体干活,只负责协调汇总,"
+                "当你觉得已有信息支持回答用户问题时候,停止调度,并输出最后的结果\n"
+                "#调度方法：\n"
+                "通过使用agent_orchestration技能调用其他智能体干活,使用技能时传入agent_name和需要做的活。"
+                "注意：agent_name 必须严格使用下方列出的英文 id（例如 roundtable-intelligence,"
+                "或形如 02714cbe6e64406a8a4659f0e3d9c0b8 这样的 UUID）,"
+                "不要把括号里的中文显示名拼进 agent_name 里。\n"
+                "#关键约束(必读)：\n"
+                "1. **不要对同一子智能体重复派同样的活**：每次派活前回顾对话历史,"
+                "如果某个子智能体已经针对你正要派的任务完成过交付("
+                "看到形如\"子智能体[名称]完成XX工作,交付内容为:...\"的 human 消息),"
+                "就直接基于已有交付推进,**不要重复派活**,除非你确实有**具体的、不一样的**补充问题。\n"
+                "2. **看到交付要会用**：子智能体的交付内容会作为 human 消息追加到你的对话历史里,"
+                "你能完整看见。当各方信息已足够形成结论时,**直接综合输出最终方案**(此时不再调用任何工具),"
+                "让讨论收敛。\n"
+                "3. **避免无意义循环**：如果连续两轮都没有新信息流入,立刻停止派活并基于现有素材给出最终结论。\n"
+                "#可调度智能体：\n"
+                + "\n".join(descriptions)
+            )
+
+            # 3) coordinator thread + agent 并行创建。thread 与 agent 之间无依赖,
+            #    asyncio.gather 比串行省一个直调往返的开销。
+            coord_thread_task = asyncio.create_task(_create_thread_direct(request))
+            coord_agent_task = asyncio.create_task(
+                _create_coordinator_direct(
+                    request,
+                    agent_id=main_agent_name,
                     name=main_agent_name,
                     description="你是总控控制协调智能体,负责协调其他智能体干活",
+                    soul=soul,
                     model=model,
                     skills=["agent_orchestration"],
-                    soul=soul,
-                    agent_id=main_agent_name,
                 )
-                if not ok and isinstance(result, str) and "exists" not in result:
-                    yield _frame({"event": "error", "detail": f"create coordinator agent failed: {result}"})
-                    return
+            )
+            coord_thread = await coord_thread_task
+            agent_threads[main_agent_name] = coord_thread
+            ok, result = await coord_agent_task
+            if not ok and isinstance(result, str) and "exists" not in result:
+                yield _frame({"event": "error", "detail": f"create coordinator agent failed: {result}"})
+                return
+            t_coord_done = time.perf_counter()
+            logger.info(
+                "[init-direct] meta=%.3fs seats=%.3fs coord=%.3fs total=%.3fs seats_count=%d",
+                t_meta_done - t_init_start,
+                t_seats_done - t_meta_done,
+                t_coord_done - t_seats_done,
+                t_coord_done - t_init_start,
+                len(prepared),
+            )
 
-                yield _frame({
-                    "event": "coordinator_ready",
-                    "main_agent_name": main_agent_name,
-                    "thread_id": coord_thread,
-                })
-                yield _frame({
-                    "event": "init_done",
-                    "main_agent_name": main_agent_name,
-                    "thread_ids": agent_threads,
-                })
-            except HTTPException as exc:
-                logger.warning("multi-agent init HTTPException: %s %s", exc.status_code, exc.detail)
-                yield _frame({"event": "error", "detail": f"[{exc.status_code}] {exc.detail}"})
-            except Exception as exc:
-                logger.exception("multi-agent init unexpected failure")
-                yield _frame({"event": "error", "detail": f"unexpected: {exc!r}"})
+            yield _frame({
+                "event": "coordinator_ready",
+                "main_agent_name": main_agent_name,
+                "thread_id": coord_thread,
+            })
+            yield _frame({
+                "event": "init_done",
+                "main_agent_name": main_agent_name,
+                "thread_ids": agent_threads,
+            })
+        except HTTPException as exc:
+            logger.warning("multi-agent init HTTPException: %s %s", exc.status_code, exc.detail)
+            yield _frame({"event": "error", "detail": f"[{exc.status_code}] {exc.detail}"})
+        except Exception as exc:
+            logger.exception("multi-agent init unexpected failure")
+            yield _frame({"event": "error", "detail": f"unexpected: {exc!r}"})
 
     return StreamingResponse(
         stream_generator(),
@@ -825,6 +1032,11 @@ async def _leader_run(
         new_message=new_message,
         excluded_tools=["web_search"],
         skill_stop_names=effective_stop_names,
+        # 总控派活是"下一步派谁、什么任务"的短决策，不需要 CoT。
+        # 关掉 thinking + low reasoning 让"调度中"几乎瞬间转入"正在派活"，
+        # 子智能体仍保留 thinking（在 _special_run 里默认 True），保证交付质量。
+        thinking_enabled=False,
+        reasoning_effort="low",
     )
     t_payload_built = time.perf_counter()
     logger.info(
diff --git a/offline-backend-20260512/backend/app/gateway/routers/recommend.py b/offline-backend-20260512/backend/app/gateway/routers/recommend.py
index 6ff43224..f6b50494 100644
--- a/offline-backend-20260512/backend/app/gateway/routers/recommend.py
+++ b/offline-backend-20260512/backend/app/gateway/routers/recommend.py
@@ -253,6 +253,12 @@ async def stream_recommend(request: Request, payload: dict = Body(...)) -> Strea
                         "ask_clarification",
                     ],
                     skill_stop_names=[],
+                    # 推荐是"从候选池挑 2-6 个"的短分类任务，不需要 CoT。
+                    # 关掉 thinking + 用 low reasoning，避免模型先吐数千 reasoning
+                    # tokens 才开始输出 [RECOMMEND_READY]，前端"等待推荐结果..."
+                    # 从 10-30s 降到 2-5s。
+                    thinking_enabled=False,
+                    reasoning_effort="low",
                 )
 
                 captured: list[str] = []
diff --git a/offline-backend-20260512/backend/packages/harness/deerflow/agents/middlewares/memory_middleware.py b/offline-backend-20260512/backend/packages/harness/deerflow/agents/middlewares/memory_middleware.py
index 6a067ef0..b48c06be 100644
--- a/offline-backend-20260512/backend/packages/harness/deerflow/agents/middlewares/memory_middleware.py
+++ b/offline-backend-20260512/backend/packages/harness/deerflow/agents/middlewares/memory_middleware.py
@@ -137,7 +137,17 @@ class MemoryMiddleware(AgentMiddleware[MemoryMiddlewareState]):
 
         召回结果包在 ``<memory-context>`` 标签里并带系统提示,告诉模型这是
         背景信息而非用户的新输入。
+
+        **跳过开关**:若 ``runtime.context.memory_recall_disabled`` 为真,直接
+        返回 None。圆桌规划等临时性任务(intent / recommend / leader / special)
+        不需要从用户个人记忆里召回,Hindsight HTTP 同步阻塞会显著增加 LLM 首
+        字节延迟(前端"调度中"卡顿);由路由层通过 ``_run_payload`` 的 context
+        字段统一关闭。
         """
+        runtime = getattr(request, "runtime", None)
+        if runtime is not None and getattr(runtime, "context", None):
+            if runtime.context.get("memory_recall_disabled"):
+                return None
         if not self._injection_enabled:
             return None
         config = self._memory_config or get_memory_config()