diff --git a/apps/ai-game-creator-shell/src/features/project-workspace/ComposerControls.tsx b/apps/ai-game-creator-shell/src/features/project-workspace/ComposerControls.tsx
index ddf8bce7b..0aa574dbc 100644
--- a/apps/ai-game-creator-shell/src/features/project-workspace/ComposerControls.tsx
+++ b/apps/ai-game-creator-shell/src/features/project-workspace/ComposerControls.tsx
@@ -5,7 +5,17 @@
  * 这些组件只承载表现与交互；回合附件由 `App.tsx` 上传并落进 `DirectCodexTurnAttachment`，
  * 队列由 `chatComposerQueue.ts` 的纯函数维护。
  */
-import { FileUp, Images, Mic, MicOff, Plus, Square, X } from 'lucide-react';
+import {
+  Check,
+  ChevronDown,
+  FileUp,
+  Images,
+  Mic,
+  MicOff,
+  Plus,
+  Square,
+  X,
+} from 'lucide-react';
 import type { RefObject } from 'react';
 import { useEffect, useRef, useState } from 'react';
 
@@ -335,6 +345,7 @@ export function ComposerReasoningEffortSelect({
 }: {
   disabled: boolean;
 }) {
+  const [open, setOpen] = useState(false);
   const [effort, setEffort] = useState<GameCreatorLlmReasoningEffort>(
     DEFAULT_COMPOSER_REASONING_EFFORT,
   );
@@ -414,23 +425,56 @@ export function ComposerReasoningEffortSelect({
 
   return (
     <span className="project-supervisor-reasoning-effort">
-      <select
-        aria-label="推理档"
-        className="project-supervisor-reasoning-effort-select"
-        value={effort}
-        disabled={disabled || saving}
-        onChange={(event) =>
-          selectEffort(
-            normalizeComposerReasoningEffort(event.currentTarget.value),
-          )
-        }
-      >
-        {options.map((option) => (
-          <option key={option.value} value={option.value}>
-            {option.label}
-          </option>
-        ))}
-      </select>
+      {/* 与模型选择器同一套观感：复用 `conversation-model-*` 的触发钮与浮层样式，
+          不再用原生 `<select>`（原生下拉是操作系统菜单，圆角/描边/选中态都跟旁边不一致）。 */}
+      <div className="conversation-model-select">
+        <button
+          type="button"
+          className="conversation-model-trigger"
+          aria-label="推理档"
+          aria-haspopup="listbox"
+          aria-expanded={open}
+          disabled={disabled || saving}
+          onClick={() => setOpen((current) => !current)}
+        >
+          <span
+            className="conversation-model-trigger-status"
+            aria-hidden="true"
+          />
+          <span className="conversation-model-trigger-label">
+            {options.find((option) => option.value === effort)?.label ?? effort}
+          </span>
+          <ChevronDown size={13} aria-hidden="true" />
+        </button>
+        {open ? (
+          <div
+            className="conversation-model-menu"
+            role="listbox"
+            aria-label="推理档"
+          >
+            {options.map((option) => (
+              <button
+                key={option.value}
+                type="button"
+                role="option"
+                aria-selected={option.value === effort}
+                disabled={disabled || saving}
+                onClick={() => {
+                  setOpen(false);
+                  selectEffort(option.value);
+                }}
+              >
+                <span className="conversation-model-menu-option-main">
+                  <span>{option.label}</span>
+                </span>
+                {option.value === effort ? (
+                  <Check size={13} aria-hidden="true" />
+                ) : null}
+              </button>
+            ))}
+          </div>
+        ) : null}
+      </div>
       {notice ? (
         <span role="status" className="project-supervisor-composer-notice">
           {notice}
diff --git a/apps/ai-game-creator-shell/src/features/project-workspace/ProjectSupervisorView.tsx b/apps/ai-game-creator-shell/src/features/project-workspace/ProjectSupervisorView.tsx
index db1855d67..3970a1c1a 100644
--- a/apps/ai-game-creator-shell/src/features/project-workspace/ProjectSupervisorView.tsx
+++ b/apps/ai-game-creator-shell/src/features/project-workspace/ProjectSupervisorView.tsx
@@ -450,6 +450,7 @@ export function ProjectSupervisorView({
             <ToolCallGroup
               calls={liveToolCalls}
               userSentAt={userMessageUpdatedAtForTurn(liveToolCallTurnId)}
+              active
               className="message-tool-call"
             />
           ) : null}
@@ -459,64 +460,6 @@ export function ProjectSupervisorView({
               <pre>{designReasoning}</pre>
             </details>
           ) : null}
-          {directCodex &&
-          (runtimePanelProps.controlBusy || Boolean(directProcessDetail)) ? (
-            <section
-              className={`project-supervisor-process-card${runtimePanelProps.controlBusy ? ' is-active' : ''}`}
-              aria-label="陶泥儿执行过程"
-              aria-live="polite"
-              aria-atomic="false"
-              role="status"
-              data-runtime-owned="true"
-            >
-              <header>
-                <span aria-hidden="true" />
-                <strong>
-                  {directCodex
-                    ? directStatusTitle(directStatus)
-                    : '陶泥儿正在处理'}
-                </strong>
-              </header>
-              {transientReply ? (
-                <div aria-label="陶泥儿实时回复">
-                  <ChatMarkdownMessage
-                    role="assistant"
-                    text={transientReply}
-                    streaming
-                  />
-                </div>
-              ) : null}
-              {directProcessDetail ? (
-                <div className="project-supervisor-process-detail">
-                  <p
-                    className={
-                      processDetailExpanded ? 'is-expanded' : undefined
-                    }
-                    aria-label="陶泥儿正在执行的内容"
-                  >
-                    {directProcessDetail}
-                  </p>
-                  {directProcessDetail.includes('\n') ||
-                  directProcessDetail.length > 96 ? (
-                    <button
-                      type="button"
-                      className="project-supervisor-process-toggle"
-                      aria-expanded={processDetailExpanded}
-                      onClick={() =>
-                        setExpandedProcessKey((current) =>
-                          current === directProcessKey
-                            ? null
-                            : directProcessKey,
-                        )
-                      }
-                    >
-                      {processDetailExpanded ? '收起' : '展开'}
-                    </button>
-                  ) : null}
-                </div>
-              ) : null}
-            </section>
-          ) : null}
           {!directCodex && transientReply ? (
             <div
               className="message message--assistant"
@@ -597,6 +540,60 @@ export function ProjectSupervisorView({
             onRetry={onDesignRetry ?? (() => undefined)}
           />
         ) : null}
+        {directCodex &&
+        (runtimePanelProps.controlBusy || Boolean(directProcessDetail)) ? (
+          <section
+            className={`project-supervisor-process-card${runtimePanelProps.controlBusy ? ' is-active' : ''}`}
+            aria-label="陶泥儿执行过程"
+            aria-live="polite"
+            aria-atomic="false"
+            role="status"
+            data-runtime-owned="true"
+          >
+            <header>
+              <span aria-hidden="true" />
+              <strong>
+                {directCodex
+                  ? directStatusTitle(directStatus)
+                  : '陶泥儿正在处理'}
+              </strong>
+            </header>
+            {transientReply ? (
+              <div aria-label="陶泥儿实时回复">
+                <ChatMarkdownMessage
+                  role="assistant"
+                  text={transientReply}
+                  streaming
+                />
+              </div>
+            ) : null}
+            {directProcessDetail ? (
+              <div className="project-supervisor-process-detail">
+                <p
+                  className={processDetailExpanded ? 'is-expanded' : undefined}
+                  aria-label="陶泥儿正在执行的内容"
+                >
+                  {directProcessDetail}
+                </p>
+                {directProcessDetail.includes('\n') ||
+                directProcessDetail.length > 96 ? (
+                  <button
+                    type="button"
+                    className="project-supervisor-process-toggle"
+                    aria-expanded={processDetailExpanded}
+                    onClick={() =>
+                      setExpandedProcessKey((current) =>
+                        current === directProcessKey ? null : directProcessKey,
+                      )
+                    }
+                  >
+                    {processDetailExpanded ? '收起' : '展开'}
+                  </button>
+                ) : null}
+              </div>
+            ) : null}
+          </section>
+        ) : null}
         <form
           className={`project-supervisor-composer${
             directCodex ? ' is-direct-codex' : ''
diff --git a/apps/ai-game-creator-shell/src/features/project-workspace/ToolCallGroup.tsx b/apps/ai-game-creator-shell/src/features/project-workspace/ToolCallGroup.tsx
index 62fbf8f27..11379892a 100644
--- a/apps/ai-game-creator-shell/src/features/project-workspace/ToolCallGroup.tsx
+++ b/apps/ai-game-creator-shell/src/features/project-workspace/ToolCallGroup.tsx
@@ -6,7 +6,7 @@ import {
   Terminal,
   Wrench,
 } from 'lucide-react';
-import { useId, useState } from 'react';
+import { useEffect, useId, useState } from 'react';
 
 import type { GameCreatorDirectToolCall } from '../../app/types';
 import {
@@ -35,31 +35,64 @@ import {
 export function ToolCallGroup({
   calls,
   userSentAt = 0,
+  active = false,
   className,
 }: {
   calls: GameCreatorDirectToolCall[];
   /** 同一回合用户消息的 `updatedAt`；拿不到就传 0，只显示结束时间。 */
   userSentAt?: number | null;
+  /**
+   * 这个块是否属于**正在跑的回合**。只有正在跑的回合才允许出现"执行中 / 进行中"：
+   * 已结束的回合里若还留着 `running` 快照（进程被杀、completed 事件没到），
+   * 那是数据残留，不该让用户一直看到"执行中"。
+   */
+  active?: boolean;
   className?: string;
 }) {
   const [expanded, setExpanded] = useState(false);
+  const [tick, setTick] = useState(0);
   const bodyId = useId();
+  const hasRunningSnapshot = calls.some((call) => call.status === 'running');
+  const running = active && hasRunningSnapshot;
+  // 正在跑时每秒重算一次"已用时"，否则这个数字只在收到新事件时才变。
+  useEffect(() => {
+    if (!running) {
+      return undefined;
+    }
+    const timer = setInterval(() => setTick((current) => current + 1), 1000);
+    return () => clearInterval(timer);
+  }, [running]);
   if (calls.length === 0) {
     return null;
   }
+  void tick;
   const orderedCalls = [...calls].sort(
     (left, right) => left.startedAt - right.startedAt,
   );
   const summary = toolCallGroupSummary(orderedCalls);
-  const totalDurationMs = turnToolCallDurationMs(orderedCalls);
+  const startedAt =
+    orderedCalls.find((call) => call.startedAt > 0)?.startedAt ?? 0;
+  // 进行中：用"现在 - 最早开始时间"（会随 tick 每秒变）；已结束：用快照里的
+  // min(startedAt) → max(updatedAt)，不掺入本地时钟。
+  const totalDurationMs = running
+    ? startedAt > 0
+      ? Math.max(0, Date.now() - startedAt)
+      : null
+    : turnToolCallDurationMs(orderedCalls);
   const durationText = formatTurnDuration(totalDurationMs);
   const timeLabel = turnToolCallTimeLabel(orderedCalls, userSentAt);
-  const headLabel = durationText ? `${summary}，用时 ${durationText}` : summary;
-  const status = orderedCalls.some((call) => call.status === 'running')
+  const status = running
     ? 'running'
     : orderedCalls.some((call) => call.status === 'failed')
       ? 'failed'
       : 'completed';
+  const headLabel = [
+    summary,
+    running ? '进行中' : '',
+    durationText ? `用时 ${durationText}` : '',
+  ]
+    .filter(Boolean)
+    .join('，');
   return (
     <section
       className={
@@ -85,7 +118,9 @@ export function ToolCallGroup({
           <ToolCallKindIcon kind={orderedCalls[0]?.kind ?? 'other'} />
         </span>
         <span className="agent-tool-call-group-summary">{summary}</span>
-        {timeLabel ? (
+        {running ? (
+          <span className="agent-tool-call-group-running">进行中</span>
+        ) : timeLabel ? (
           <span className="agent-tool-call-group-time">{timeLabel}</span>
         ) : null}
         {durationText ? (
@@ -106,10 +141,12 @@ export function ToolCallGroup({
       >
         <ul className="agent-tool-call-group-rows">
           {orderedCalls.map((call) => (
-            <ToolCallRow key={call.id} call={call} />
+            <ToolCallRow key={call.id} call={call} active={active} />
           ))}
         </ul>
-        {timeLabel ? (
+        {/* 还有工具在跑时**不显示"结束于"**：那时的"结束"只是最后一条快照的 updatedAt，
+            回合并没有结束。等全部落定后再显示块尾这一行。 */}
+        {!running && timeLabel ? (
           <p
             className="agent-tool-call-group-foot"
             data-testid="agent-tool-call-group-end-time"
@@ -123,18 +160,29 @@ export function ToolCallGroup({
 }
 
 /** 展开态的一行工具；行可二级展开看命令 / 文件明细 / 输出。 */
-function ToolCallRow({ call }: { call: GameCreatorDirectToolCall }) {
+function ToolCallRow({
+  call,
+  active,
+}: {
+  call: GameCreatorDirectToolCall;
+  active: boolean;
+}) {
   const [expanded, setExpanded] = useState(false);
   const detailId = useId();
   const text = toolCallRowText(call);
   const durationMs = toolCallDurationMs(call);
   const durationText = formatToolCallDuration(durationMs);
-  const statusText =
-    call.status === 'running'
+  // "执行中"只在**正在跑的回合**里显示；已结束的回合里残留的 running 快照按已完成处理，
+  // 否则用户会看到一条永远停在"执行中"的记录。
+  const statusText = active
+    ? call.status === 'running'
       ? '执行中'
       : call.status === 'failed'
         ? '失败'
-        : '';
+        : ''
+    : call.status === 'failed'
+      ? '失败'
+      : '';
   const rowLabel = [
     text,
     statusText,
diff --git a/apps/ai-game-creator-shell/src/styles.css b/apps/ai-game-creator-shell/src/styles.css
index d03d168be..021a7bd1e 100644
--- a/apps/ai-game-creator-shell/src/styles.css
+++ b/apps/ai-game-creator-shell/src/styles.css
@@ -11867,3 +11867,13 @@ button.design-workspace-tree__entry:hover,
   .project-supervisor-composer-controls-left {
   margin-left: -12px;
 }
+
+/* 过程卡（「任务执行中 / 正在思考中」）现在渲染在消息列表**外**、紧贴输入盒上方（固定在
+   输入框上面，不随消息滚走）。它不再继承消息列表的左右 16px 内缩，所以要自己补齐，
+   才能与消息内容、输入盒两侧对齐；离开列表后列表的 padding-bottom 也不再作用于它。 */
+.game-workbench-chat
+  .project-supervisor-surface.is-direct-codex
+  .project-supervisor-conversation
+  > .project-supervisor-process-card {
+  margin: 0 16px 8px;
+}