console: GitHub 风格（Primer）

保持一页式控制台排版与全部功能、API 不变，只换视觉：
深色顶栏 #24292f、Primer 浅色配色（边框 #d0d7de、链接蓝
#0969da、绿主按钮 #2da44e）、6px 圆角方框、系统字体与
等宽 ID/trace；任务列表改 issues 式（状态圆点 + 标题 +
灰色元信息）；对话改评论时间线（白框 + 头部 + 正文，
竖线连接），灰/蓝气泡已移除；自动选项目与继续消息历史
不受影响。console 标记单测本地 53 项通过。

cloud/console-react/src/sections/TaskListSection.tsx

@@ -1,14 +1,13 @@
 import { useConsole } from "../context";
 import { shortId } from "../api/client";
 
-// Left list panel, Muse screenshot style: rounded search on top, a
-// 主要聊天 section header with a + button, then the task list. The
-// search input IS the existing task search (id/prompt); the status and
-// executor filters are kept as a compact row below it — the screenshot
-// has no filters, but dropping them would cut functionality, so they
-// stay, just compact. List rows show the prompt truncated on one line
-// with a status dot, short id, status and executor below it; the
-// selected row is highlighted grey, as in the screenshot.
+// GitHub issues-style task list: search on top, the project selector
+// (the auto-project fix — do not remove it), a 主要聊天 header with a
+// + button, then hairline rows with a Primer status dot at the left,
+// a 14px title and a 12px muted meta line. The search input IS the
+// existing task search (id/prompt); status and executor filters stay
+// as a compact row below it. The selected row gets the light
+// blue-grey background (#ddf4ff), not a bubble.
 export default function TaskListSection({ onNew }: { onNew: () => void }) {
   const ctx = useConsole();
   return (
@@ -46,18 +45,18 @@ export default function TaskListSection({ onNew }: { onNew: () => void }) {
         : !ctx.projectId ? <div className="muted">先选项目</div>
         : ctx.filteredTasks.length === 0 ? <div className="muted">{ctx.tasks.length ? "没有符合筛选条件的任务" : "该项目暂无任务"}</div>
         : (
-          <ul className="muse-list">
+          <ul className="issue-list">
             {ctx.filteredTasks.slice().reverse().map((t) => (
-              <li key={t.id} className={"muse-item" + (ctx.currentTask?.id === t.id ? " selected" : "")} onClick={() => ctx.showDetail(t.id)}>
-                <div className="muse-item-title">
-                  {t.plan ? "[计划] " : ""}{t.forked_from ? "[分支] " : ""}{t.coordinator_parts ? "[协调] " : ""}{t.parent_task_id ? "[协调子任务] " : ""}{String(t.prompt || shortId(t.id)).slice(0, 60)}
-                </div>
-                <div className="muse-item-sub">
-                  <span className={"task-dot st-" + t.status} />
-                  <span>{shortId(t.id)}</span>
-                  <span className={"st-" + t.status}>{t.status}</span>
-                  <span>{t.executor || ""}</span>
-                </div>
+              <li key={t.id} className={"issue-item" + (ctx.currentTask?.id === t.id ? " selected" : "")} onClick={() => ctx.showDetail(t.id)}>
+                <span className={"issue-state st-" + t.status} aria-hidden="true" />
+                <span>
+                  <div className="issue-title">
+                    {t.plan ? "[计划] " : ""}{t.forked_from ? "[分支] " : ""}{t.coordinator_parts ? "[协调] " : ""}{t.parent_task_id ? "[协调子任务] " : ""}{String(t.prompt || shortId(t.id)).slice(0, 60)}
+                  </div>
+                  <div className="issue-meta">
+                    {shortId(t.id)} · <span className={"st-" + t.status}>{t.status}</span> · {t.executor || ""}{t.updated_at ? " · " + new Date(t.updated_at * 1000).toLocaleString() : ""}
+                  </div>
+                </span>
               </li>
             ))}
           </ul>

cloud/console-react/src/sections/detail/TracePanel.tsx

@@ -31,7 +31,7 @@ export default function TracePanel() {
       <div className="chat-column">
         <ChatList messages={messages} empty="（暂无链路条目）" />
       </div>
-      <div className="muted">对话时间线：首条是本任务 prompt（用户）；助手回复来自 message 条目，命令/文件/工具/调用是工具气泡，计划/思考/子代理开始结束是居中状态提示。流式进行中时新条目实时追加；你在底部时自动跟随，往上翻时暂停跟随，点“回到最新”恢复。</div>
+      <div className="muted">对话时间线：首条是本任务 prompt（用户）；助手回复来自 message 条目，命令/文件/工具/调用是工具评论框，计划/思考/子代理开始结束是时间线上的状态文字。流式进行中时新条目实时追加；你在底部时自动跟随，往上翻时暂停跟随，点“回到最新”恢复。</div>
     </>
   );
 }