接入项目聊天 Markdown 渲染

统一三个项目聊天视图的 assistant 消息展示

让 Direct Codex 流式回复复用 Markdown 组件

移除纯聊天视图的无条件滚动到底部行为

apps/ai-game-creator-shell/src/features/project-workspace/ProjectSupervisorView.tsx

@@ -16,6 +16,7 @@ import type {
   PlanGddDecisionAction,
   PlanGddStateViewV1,
 } from '../../app/types';
+import { ChatMarkdownMessage } from '../../components/ChatMarkdownMessage';
 import {
   projectProfessionalAgentLabel,
   projectRuntimeVisibleError,
@@ -142,15 +143,22 @@ export function ProjectSupervisorView({
             </button>
           ) : null}
           {visibleMessages.map((message, index) => (
-            <p
+            <div
               key={message.messageId ?? `${message.role}-${index}`}
               className={`message message--${message.role}`}
             >
-              {projectSupervisorVisibleConversationText(
-                message.text,
-                message.role,
-              )}
-            </p>
+              <ChatMarkdownMessage
+                role={message.role}
+                text={
+                  message.role === 'assistant'
+                    ? projectSupervisorVisibleConversationText(
+                        message.text,
+                        message.role,
+                      )
+                    : message.text
+                }
+              />
+            </div>
           ))}
           {directCodex &&
           (runtimePanelProps.controlBusy || Boolean(transientReply)) ? (
@@ -167,18 +175,26 @@ export function ProjectSupervisorView({
                 <strong>{directActivity || '陶泥儿正在处理'}</strong>
               </header>
               {transientReply ? (
-                <p aria-label="陶泥儿实时回复">{transientReply}</p>
+                <ChatMarkdownMessage
+                  role="assistant"
+                  text={transientReply}
+                  streaming
+                />
               ) : null}
             </section>
           ) : transientReply ? (
-            <p
+            <div
               className="message message--assistant"
               aria-label="项目总控 Agent 实时回复"
               aria-live="polite"
               data-runtime-owned="true"
             >
-              {transientReply}
-            </p>
+              <ChatMarkdownMessage
+                role="assistant"
+                text={transientReply}
+                streaming
+              />
+            </div>
           ) : null}
         </div>
         {directCodex ? null : isPlanningLaneRuntime(

apps/ai-game-creator-shell/src/features/project-workspace/ProjectWorkspaceChatPane.tsx

@@ -26,6 +26,7 @@ import type {
   PendingCommand,
   PendingUiConfirmation,
 } from '../../app/types';
+import { ChatMarkdownMessage } from '../../components/ChatMarkdownMessage';
 import type { ProjectAgentResultSummary } from '../../view/project-development';
 import {
   formatAgentRecentRuntimeTask,
@@ -804,12 +805,19 @@ export function ProjectWorkspaceChatPane({
           ) : null}
           {visibleMessages.map((message, index) => (
             <Fragment key={index}>
-              <p className={`message message--${message.role}`}>
-                {projectSupervisorVisibleConversationText(
-                  message.text,
-                  message.role,
-                )}
-              </p>
+              <div className={`message message--${message.role}`}>
+                <ChatMarkdownMessage
+                  role={message.role}
+                  text={
+                    message.role === 'assistant'
+                      ? projectSupervisorVisibleConversationText(
+                          message.text,
+                          message.role,
+                        )
+                      : message.text
+                  }
+                />
+              </div>
               {message.draftCommand ? (
                 <button
                   type="button"
@@ -822,14 +830,18 @@ export function ProjectWorkspaceChatPane({
             </Fragment>
           ))}
           {projectSupervisorTransientReply ? (
-            <p
+            <div
               className="message message--assistant"
               aria-label="项目总控 Agent 实时回复"
               aria-live="polite"
               data-runtime-owned="true"
             >
-              {projectSupervisorTransientReply}
-            </p>
+              <ChatMarkdownMessage
+                role="assistant"
+                text={projectSupervisorTransientReply}
+                streaming
+              />
+            </div>
           ) : null}
         </div>
         <ProjectSupervisorRuntimePanel

apps/ai-game-creator-shell/src/features/project-workspace/SupervisorChatOnlyView.tsx

@@ -7,7 +7,6 @@ import type {
   SetStateAction,
   UIEventHandler,
 } from 'react';
-import { useLayoutEffect } from 'react';
 
 import type {
   AgentRuntimeState,
@@ -15,6 +14,7 @@ import type {
   PendingCommand,
   PendingUiConfirmation,
 } from '../../app/types';
+import { ChatMarkdownMessage } from '../../components/ChatMarkdownMessage';
 import {
   isAgentRuntimeTerminalState,
   projectRuntimeVisibleError,
@@ -107,10 +107,6 @@ export function SupervisorChatOnlyView({
     : runtime
       ? projectSupervisorChatRuntimeStatus(runtime)
       : projectWorkspaceStatusForDisplay(workspaceStatus);
-  useLayoutEffect(() => {
-    if (running && messagesRef.current)
-      messagesRef.current.scrollTop = messagesRef.current.scrollHeight;
-  }, [messagesRef, running, transientReply, runtime?.updatedAt]);
   const conversationLabel = directCodex
     ? '陶泥儿项目对话'
     : '项目总控 Agent 纯聊天';
@@ -153,18 +149,25 @@ export function SupervisorChatOnlyView({
             >{`显示更早 · 还有 ${hiddenConversationCount} 条对话`}</button>
           ) : null}
           {visibleMessages.map((message, index) => (
-            <p
+            <div
               key={message.messageId ?? `${message.role}-${index}`}
               className={`message message--${message.role}`}
             >
-              {projectSupervisorVisibleConversationText(
-                message.text,
-                message.role,
-              )}
-            </p>
+              <ChatMarkdownMessage
+                role={message.role}
+                text={
+                  message.role === 'assistant'
+                    ? projectSupervisorVisibleConversationText(
+                        message.text,
+                        message.role,
+                      )
+                    : message.text
+                }
+              />
+            </div>
           ))}
           {transientReply ? (
-            <p
+            <div
               className="message message--assistant supervisor-chat-only-stream"
               aria-label={
                 directCodex ? '陶泥儿实时回复' : '项目总控 Agent 实时回复'
@@ -172,8 +175,12 @@ export function SupervisorChatOnlyView({
               aria-live="polite"
               data-runtime-owned="true"
             >
-              {transientReply}
-            </p>
+              <ChatMarkdownMessage
+                role="assistant"
+                text={transientReply}
+                streaming
+              />
+            </div>
           ) : null}
           {running && !transientReply ? (
             <div