diff --git a/frontend/src/app/globals.css b/frontend/src/app/globals.css
index 1be79c7..901d18c 100644
--- a/frontend/src/app/globals.css
+++ b/frontend/src/app/globals.css
@@ -180,7 +180,44 @@
 @layer base {
   * {
     @apply border-border outline-ring/50;
+    /* Theme-aware scrollbars (light/dark navy tokens) */
+    scrollbar-width: thin;
+    scrollbar-color: color-mix(
+        in srgb,
+        var(--muted-soft) 48%,
+        transparent
+      )
+      transparent;
   }
+
+  *::-webkit-scrollbar {
+    width: 10px;
+    height: 10px;
+  }
+
+  *::-webkit-scrollbar-track {
+    background: transparent;
+  }
+
+  *::-webkit-scrollbar-thumb {
+    background-color: color-mix(
+      in srgb,
+      var(--muted-soft) 42%,
+      transparent
+    );
+    border: 3px solid transparent;
+    border-radius: 999px;
+    background-clip: content-box;
+  }
+
+  *::-webkit-scrollbar-thumb:hover {
+    background-color: color-mix(
+      in srgb,
+      var(--muted-soft) 64%,
+      transparent
+    );
+  }
+
   body {
     @apply bg-background text-foreground;
     letter-spacing: 0.01em;
@@ -261,42 +298,9 @@
     }
   }
 
+  /* Explicit opt-in alias; base layer already styles all scrollbars. */
   .scrollbar-subtle {
     scrollbar-width: thin;
-    scrollbar-color: color-mix(
-        in srgb,
-        var(--muted-soft) 48%,
-        transparent
-      )
-      transparent;
-  }
-
-  .scrollbar-subtle::-webkit-scrollbar {
-    width: 10px;
-    height: 10px;
-  }
-
-  .scrollbar-subtle::-webkit-scrollbar-track {
-    background: transparent;
-  }
-
-  .scrollbar-subtle::-webkit-scrollbar-thumb {
-    background-color: color-mix(
-      in srgb,
-      var(--muted-soft) 42%,
-      transparent
-    );
-    border: 3px solid transparent;
-    border-radius: 999px;
-    background-clip: content-box;
-  }
-
-  .scrollbar-subtle::-webkit-scrollbar-thumb:hover {
-    background-color: color-mix(
-      in srgb,
-      var(--muted-soft) 64%,
-      transparent
-    );
   }
 
   /* 手机通话页「开始通话」引导光晕：柔和向外扩散的涟漪环 */
diff --git a/frontend/src/components/layout/Sidebar.tsx b/frontend/src/components/layout/Sidebar.tsx
index 232fbfb..bada330 100644
--- a/frontend/src/components/layout/Sidebar.tsx
+++ b/frontend/src/components/layout/Sidebar.tsx
@@ -98,7 +98,7 @@ export function Sidebar({ collapsed, onToggle }: SidebarProps) {
         </div>
       </div>
 
-      <nav className="min-h-0 flex-1 overflow-y-auto overflow-x-hidden px-3 py-5 pr-2 [scrollbar-width:thin] [scrollbar-color:var(--hairline-strong)_transparent]">
+      <nav className="scrollbar-subtle min-h-0 flex-1 overflow-y-auto overflow-x-hidden px-3 py-5 pr-2">
         <div className="space-y-1">
           <NavButton
             active={pathname === "/"}
diff --git a/frontend/src/components/pages/ComponentsModelsPage.tsx b/frontend/src/components/pages/ComponentsModelsPage.tsx
index 6cd4054..c3933a7 100644
--- a/frontend/src/components/pages/ComponentsModelsPage.tsx
+++ b/frontend/src/components/pages/ComponentsModelsPage.tsx
@@ -534,6 +534,7 @@ export function ComponentsModelsPage() {
           loading={loading}
           error={loadError || null}
           onRetry={() => void load()}
+          onRowClick={openEdit}
           empty={{
             title:
               resources.length === 0
@@ -635,14 +636,20 @@ export function ComponentsModelsPage() {
               key: "actions",
               header: "操作",
               align: "right",
-              cellClassName: "flex justify-end gap-2",
               cell: (resource) => (
-                <>
+                <div
+                  className="flex justify-end gap-2"
+                  onClick={(event) => event.stopPropagation()}
+                  onPointerDown={(event) => event.stopPropagation()}
+                >
                   <Button
                     variant="outline"
                     size="sm"
                     className="gap-1.5 border-hairline-strong text-xs text-muted-foreground hover:text-foreground"
-                    onClick={() => openEdit(resource)}
+                    onClick={(event) => {
+                      event.stopPropagation();
+                      openEdit(resource);
+                    }}
                   >
                     <Pencil size={14} />
                     编辑
@@ -654,6 +661,7 @@ export function ComponentsModelsPage() {
                         size="icon-sm"
                         className="border-hairline-strong text-muted-foreground hover:text-foreground"
                         aria-label={`${resource.name} 更多操作`}
+                        onClick={(event) => event.stopPropagation()}
                       >
                         <MoreHorizontal size={15} />
                       </Button>
@@ -682,8 +690,9 @@ export function ComponentsModelsPage() {
                         className="rounded-lg"
                         disabled={deletingId === resource.id}
                         onSelect={(event) => {
+                          // Defer confirm so row onRowClick does not fire afterward.
                           event.preventDefault();
-                          void remove(resource);
+                          window.setTimeout(() => void remove(resource), 0);
                         }}
                       >
                         {deletingId === resource.id ? (
@@ -695,7 +704,7 @@ export function ComponentsModelsPage() {
                       </DropdownMenuItem>
                     </DropdownMenuContent>
                   </DropdownMenu>
-                </>
+                </div>
               ),
             },
           ]}
@@ -704,7 +713,7 @@ export function ComponentsModelsPage() {
       </ListPageLayout>
 
       <Dialog open={dialogOpen} onOpenChange={setDialogOpen}>
-        <DialogContent className="max-h-[calc(100vh-3rem)] overflow-y-auto sm:max-w-6xl lg:max-w-[88rem] lg:overflow-hidden">
+        <DialogContent className="scrollbar-subtle max-h-[calc(100vh-3rem)] overflow-y-auto sm:max-w-6xl lg:max-w-[88rem] lg:overflow-hidden">
           <DialogHeader>
             <DialogTitle>{editingId ? "编辑模型资源" : "添加模型资源"}</DialogTitle>
             <DialogDescription>
@@ -945,7 +954,7 @@ function FieldSection({
       <div
         className={[
           "space-y-4 p-4",
-          scrollable ? "max-h-72 overflow-y-auto" : "",
+          scrollable ? "scrollbar-subtle max-h-72 overflow-y-auto" : "",
           tall ? "lg:max-h-none lg:flex-1" : "",
           fill ? "lg:min-h-0 lg:max-h-none lg:flex-1" : "",
         ].join(" ")}
diff --git a/frontend/src/components/pages/HistoryPage.tsx b/frontend/src/components/pages/HistoryPage.tsx
index a7d16a2..ea51305 100644
--- a/frontend/src/components/pages/HistoryPage.tsx
+++ b/frontend/src/components/pages/HistoryPage.tsx
@@ -4,6 +4,7 @@ import {
   Activity,
   ArrowRight,
   Camera,
+  ChartLine,
   CheckCircle2,
   ChevronDown,
   ChevronUp,
@@ -15,6 +16,8 @@ import {
   MessageSquareText,
   MonitorSmartphone,
   MoreHorizontal,
+  Pause,
+  Play,
   Server,
   Trash2,
   Wrench,
@@ -23,6 +26,7 @@ import {
 } from "lucide-react";
 import { useCallback, useEffect, useMemo, useRef, useState } from "react";
 
+import { SectionAnchorTabs } from "@/components/editor/section-anchor-tabs";
 import { Badge } from "@/components/ui/badge";
 import { Button } from "@/components/ui/button";
 import { DataList, type DataListColumn } from "@/components/ui/data-list";
@@ -34,10 +38,8 @@ import {
 } from "@/components/ui/dropdown-menu";
 import {
   Dialog,
-  DialogClose,
   DialogContent,
   DialogDescription,
-  DialogFooter,
   DialogHeader,
   DialogTitle,
 } from "@/components/ui/dialog";
@@ -61,6 +63,12 @@ const PAGE_SIZE = 5;
 const channelFilters = ["全部", "WebRTC", "WebSocket"] as const;
 type ChannelFilter = (typeof channelFilters)[number];
 type SortOrder = "newest" | "oldest";
+type DetailTabId = "session" | "analysis";
+
+const detailTabs = [
+  { id: "session", label: "会话信息" },
+  { id: "analysis", label: "分析" },
+] as const;
 
 function formatDate(value?: string | null): string {
   if (!value) return "—";
@@ -364,6 +372,7 @@ export function HistoryPage() {
   const [detail, setDetail] = useState<ConversationDetail | null>(null);
   const [detailLoading, setDetailLoading] = useState(false);
   const [detailError, setDetailError] = useState("");
+  const [detailTab, setDetailTab] = useState<DetailTabId>("session");
   const [deletingId, setDeletingId] = useState<string | null>(null);
   const skipRowClickRef = useRef(false);
 
@@ -401,6 +410,7 @@ export function HistoryPage() {
 
   const openDetail = useCallback(async (conversation: Conversation) => {
     setDialogOpen(true);
+    setDetailTab("session");
     setDetail(null);
     setDetailError("");
     setDetailLoading(true);
@@ -680,8 +690,8 @@ export function HistoryPage() {
       </ListPageLayout>
 
       <Dialog open={dialogOpen} onOpenChange={setDialogOpen}>
-        <DialogContent className="max-h-[calc(100vh-3rem)] grid-rows-[auto_minmax(0,1fr)_auto] overflow-hidden sm:max-w-5xl">
-          <DialogHeader>
+        <DialogContent className="flex h-[min(94vh,980px)] w-full max-w-[calc(100%-1.5rem)] flex-col gap-0 overflow-hidden p-0 sm:max-w-7xl">
+          <DialogHeader className="shrink-0 gap-1.5 px-5 py-4 sm:px-6">
             <DialogTitle className="flex items-center gap-2">
               <MessageSquareText size={18} />
               {detail?.assistantName || "对话详情"}
@@ -693,44 +703,84 @@ export function HistoryPage() {
             </DialogDescription>
           </DialogHeader>
 
-          <div className="min-h-0 overflow-y-auto">
-            {detailLoading && (
-              <div className="flex min-h-80 items-center justify-center gap-2 text-muted-foreground">
-                <Loader2 size={16} className="animate-spin" />
-                正在加载对话内容
-              </div>
-            )}
-
-            {!detailLoading && detailError && (
-              <div className="flex min-h-80 items-center justify-center text-destructive">
-                {detailError}
-              </div>
-            )}
-
-            {detail && (
-              <div className="space-y-5">
-                <section className="rounded-xl border border-hairline bg-surface-strong/20">
-                  <div className="border-b border-hairline px-4 py-3 text-sm font-medium">
-                    会话信息
+          <div className="flex min-h-0 flex-1 flex-col overflow-hidden border-t border-hairline sm:flex-row">
+            <aside className="flex min-h-0 w-full shrink-0 flex-col border-b border-hairline sm:w-1/2 sm:border-b-0 sm:border-r">
+              <SectionAnchorTabs
+                ariaLabel="会话详情分区"
+                sections={detailTabs}
+                activeSectionId={detailTab}
+                onSelect={(sectionId) =>
+                  setDetailTab(sectionId as DetailTabId)
+                }
+                className="bg-popover px-3 pt-2 sm:px-4"
+              />
+              <div className="scrollbar-subtle min-h-0 flex-1 overflow-y-auto p-4 sm:p-5">
+                {detailLoading && (
+                  <div className="flex min-h-48 items-center justify-center gap-2 text-muted-foreground">
+                    <Loader2 size={16} className="animate-spin" />
+                    正在加载
                   </div>
-                  <div className="grid gap-4 p-4 text-sm sm:grid-cols-2 lg:grid-cols-4">
-                    <Metadata label="接入通道" value={channelLabel(detail.channel)} />
-                    <Metadata label="运行模式" value={detail.runtimeMode} />
-                    <Metadata label="对话时长" value={durationLabel(detail)} />
-                    <Metadata label="状态" value={statusLabel(detail.status)} />
+                )}
+                {!detailLoading && detailError && (
+                  <div className="flex min-h-48 items-center justify-center text-sm text-destructive">
+                    {detailError}
                   </div>
-                </section>
-
-                <ConversationTimeline detail={detail} />
+                )}
+                {detail && detailTab === "session" && (
+                  <SessionInfoPanel detail={detail} />
+                )}
+                {detail && detailTab === "analysis" && <AnalysisPanel />}
               </div>
-            )}
+            </aside>
+
+            <main className="flex min-h-0 min-w-0 w-full flex-1 flex-col sm:w-1/2">
+              <div className="flex shrink-0 items-center justify-between gap-3 border-b border-hairline px-4 py-2.5 sm:px-5">
+                <div className="text-sm font-medium text-foreground">
+                  对话记录转写
+                </div>
+                {detail && (
+                  <div className="flex flex-wrap gap-1.5">
+                    <Badge
+                      variant="secondary"
+                      className="gap-1 bg-surface-strong text-muted-foreground"
+                    >
+                      <MessageSquareText size={11} />
+                      {detail.messages.length}
+                    </Badge>
+                    {detail.messages.some((message) =>
+                      (message.artifacts ?? []).some(
+                        (item) => item.kind === "image",
+                      ),
+                    ) && (
+                      <Badge
+                        variant="secondary"
+                        className="gap-1 bg-surface-strong text-muted-foreground"
+                      >
+                        <ImageIcon size={11} />
+                        含图片
+                      </Badge>
+                    )}
+                  </div>
+                )}
+              </div>
+              <div className="scrollbar-subtle min-h-0 flex-1 overflow-y-auto p-4 sm:p-5">
+                {detailLoading && (
+                  <div className="flex min-h-48 items-center justify-center gap-2 text-muted-foreground">
+                    <Loader2 size={16} className="animate-spin" />
+                    正在加载对话内容
+                  </div>
+                )}
+                {!detailLoading && detailError && (
+                  <div className="flex min-h-48 items-center justify-center text-destructive">
+                    {detailError}
+                  </div>
+                )}
+                {detail && <TranscriptPanel detail={detail} />}
+              </div>
+            </main>
           </div>
 
-          <DialogFooter>
-            <DialogClose asChild>
-              <Button variant="outline">关闭</Button>
-            </DialogClose>
-          </DialogFooter>
+          <HistoryPlaybackBar key={detail?.id ?? "empty"} detail={detail} />
         </DialogContent>
       </Dialog>
     </>
@@ -746,26 +796,106 @@ function Metadata({ label, value }: { label: string; value: string }) {
   );
 }
 
-type TimelineEntry =
-  | {
-      kind: "message";
-      timestamp: string;
-      order: number;
-      message: ConversationMessage;
-    }
-  | {
-      kind: "trace";
-      timestamp: string;
-      order: number;
-      event: TraceEvent;
-    };
+function SessionInfoPanel({ detail }: { detail: ConversationDetail }) {
+  const nodes = workflowNodes(detail);
+  const trace = (detail.extra.workflowTrace ?? []).map(recordValue);
+  const toolCount = trace.filter(
+    (event) => event.event === "action_started" || event.event === "tool_started",
+  ).length;
+  const transitionCount = trace.filter(
+    (event) => event.event === "edge_selected",
+  ).length;
+  const imageCount = detail.messages.reduce(
+    (count, message) =>
+      count +
+      (message.artifacts ?? []).filter((item) => item.kind === "image").length,
+    0,
+  );
 
-function timestampOrder(value: string): number {
-  const parsed = Date.parse(value);
-  return Number.isNaN(parsed) ? Number.MAX_SAFE_INTEGER : parsed;
+  return (
+    <div className="space-y-4">
+      <div className="grid gap-3 sm:grid-cols-2">
+        <Metadata label="接入通道" value={channelLabel(detail.channel)} />
+        <Metadata label="运行模式" value={detail.runtimeMode} />
+        <Metadata label="对话时长" value={durationLabel(detail)} />
+        <Metadata label="状态" value={statusLabel(detail.status)} />
+        <Metadata label="开始时间" value={formatDate(detail.startedAt)} />
+        <Metadata label="结束时间" value={formatDate(detail.endedAt)} />
+        <Metadata label="会话 ID" value={detail.id} />
+        <Metadata
+          label="助手 ID"
+          value={detail.assistantId || "调试会话"}
+        />
+      </div>
+
+      <div className="border-t border-hairline pt-4">
+        <div className="caption-label mb-2 text-muted-soft">统计</div>
+        <div className="flex flex-wrap gap-2">
+          <Badge
+            variant="secondary"
+            className="gap-1.5 bg-surface-strong text-muted-foreground"
+          >
+            <MessageSquareText size={12} />
+            {detail.messages.length} 条对话
+          </Badge>
+          {imageCount > 0 && (
+            <Badge
+              variant="secondary"
+              className="gap-1.5 bg-surface-strong text-muted-foreground"
+            >
+              <ImageIcon size={12} />
+              {imageCount} 张照片
+            </Badge>
+          )}
+          {toolCount > 0 && (
+            <Badge
+              variant="secondary"
+              className="gap-1.5 bg-surface-strong text-muted-foreground"
+            >
+              <Wrench size={12} />
+              {toolCount} 次工具
+            </Badge>
+          )}
+          {transitionCount > 0 && (
+            <Badge
+              variant="secondary"
+              className="gap-1.5 bg-surface-strong text-muted-foreground"
+            >
+              <GitBranch size={12} />
+              {transitionCount} 次转移
+            </Badge>
+          )}
+          {nodes.size > 0 && (
+            <Badge
+              variant="secondary"
+              className="gap-1.5 bg-surface-strong text-muted-foreground"
+            >
+              工作流 {nodes.size} 节点
+            </Badge>
+          )}
+        </div>
+      </div>
+    </div>
+  );
 }
 
-function ConversationTimeline({ detail }: { detail: ConversationDetail }) {
+function AnalysisPanel() {
+  return (
+    <div className="flex min-h-48 flex-col items-center justify-center rounded-2xl border border-dashed border-hairline-strong bg-canvas-soft px-5 py-10 text-center">
+      <div className="flex h-10 w-10 items-center justify-center rounded-full bg-surface-strong text-foreground">
+        <ChartLine size={18} />
+      </div>
+      <div className="mt-4 text-sm font-medium text-foreground">
+        暂无分析结果
+      </div>
+      <p className="mt-1.5 max-w-xs text-xs leading-5 text-muted-foreground">
+        通话后分析接入后，将在这里展示从对话中提取的关键信息字段。
+      </p>
+    </div>
+  );
+}
+
+function TranscriptPanel({ detail }: { detail: ConversationDetail }) {
   const nodes = workflowNodes(detail);
   const trace = (detail.extra.workflowTrace ?? []).map(recordValue);
   const startedByInvocation = new Map<string, TraceEvent>();
@@ -795,72 +925,135 @@ function ConversationTimeline({ detail }: { detail: ConversationDetail }) {
       a.order - b.order,
   );
 
-  const imageCount = detail.messages.reduce(
-    (count, message) =>
-      count + (message.artifacts ?? []).filter((item) => item.kind === "image").length,
-    0,
-  );
-  const toolCount = trace.filter(
-    (event) => event.event === "action_started" || event.event === "tool_started",
-  ).length;
-  const transitionCount = trace.filter((event) => event.event === "edge_selected").length;
+  if (entries.length === 0) {
+    return (
+      <div className="flex min-h-48 items-center justify-center text-sm text-muted-foreground">
+        本次会话没有产生可展示的记录
+      </div>
+    );
+  }
 
   return (
-    <section className="overflow-hidden rounded-xl border border-hairline bg-surface-strong/20">
-      <div className="flex flex-wrap items-center justify-between gap-3 border-b border-hairline px-4 py-3">
-        <div className="text-sm font-medium">完整时间线</div>
-        <div className="flex flex-wrap gap-2">
-          <Badge variant="secondary" className="gap-1.5 bg-surface-strong text-muted-foreground">
-            <MessageSquareText size={12} />
-            {detail.messages.length} 条对话
-          </Badge>
-          {imageCount > 0 && (
-            <Badge variant="secondary" className="gap-1.5 bg-surface-strong text-muted-foreground">
-              <ImageIcon size={12} />
-              {imageCount} 张照片
-            </Badge>
-          )}
-          {toolCount > 0 && (
-            <Badge variant="secondary" className="gap-1.5 bg-surface-strong text-muted-foreground">
-              <Wrench size={12} />
-              {toolCount} 次工具
-            </Badge>
-          )}
-          {transitionCount > 0 && (
-            <Badge variant="secondary" className="gap-1.5 bg-surface-strong text-muted-foreground">
-              <GitBranch size={12} />
-              {transitionCount} 次转移
-            </Badge>
-          )}
+    <div className="space-y-4">
+      {entries.map((entry, index) =>
+        entry.kind === "message" ? (
+          <TimelineMessage
+            key={`message-${entry.message.id}`}
+            message={entry.message}
+          />
+        ) : (
+          <TimelineTrace
+            key={`trace-${textValue(entry.event.eventId) || index}`}
+            event={entry.event}
+            nodes={nodes}
+            startedEvent={startedByInvocation.get(
+              textValue(recordValue(entry.event.outcome).invocationId) ||
+                textValue(entry.event.invocationId),
+            )}
+          />
+        ),
+      )}
+    </div>
+  );
+}
+
+function formatPlaybackClock(seconds: number): string {
+  const total = Math.max(0, Math.floor(seconds));
+  const m = Math.floor(total / 60);
+  const s = total % 60;
+  return `${m}:${String(s).padStart(2, "0")}`;
+}
+
+/** 底部录音回放区（Mock：会话录音尚未接入后端时可演示进度）。 */
+function HistoryPlaybackBar({
+  detail,
+}: {
+  detail: ConversationDetail | null;
+}) {
+  const durationSec = useMemo(() => {
+    if (!detail?.endedAt) return 0;
+    const ms =
+      new Date(detail.endedAt).getTime() - new Date(detail.startedAt).getTime();
+    return Number.isFinite(ms) ? Math.max(0, Math.round(ms / 1000)) : 0;
+  }, [detail]);
+
+  const [playing, setPlaying] = useState(false);
+  const [elapsed, setElapsed] = useState(0);
+  const hasRecording = false;
+
+  useEffect(() => {
+    if (!playing || durationSec <= 0) return;
+    const id = window.setInterval(() => {
+      setElapsed((current) => {
+        if (current + 0.2 >= durationSec) {
+          window.clearInterval(id);
+          queueMicrotask(() => setPlaying(false));
+          return durationSec;
+        }
+        return current + 0.2;
+      });
+    }, 200);
+    return () => window.clearInterval(id);
+  }, [playing, durationSec]);
+
+  const progress = durationSec > 0 ? Math.min(1, elapsed / durationSec) : 0;
+
+  return (
+    <div className="shrink-0 border-t border-hairline bg-canvas-soft/40">
+      <div className="flex items-center gap-3 px-4 py-2 sm:px-5">
+        <Button
+          type="button"
+          size="icon-sm"
+          variant="outline"
+          className="shrink-0 border-hairline-strong"
+          disabled={!detail || durationSec <= 0}
+          aria-label={playing ? "暂停" : "播放"}
+          onClick={() => {
+            setPlaying((value) => !value);
+          }}
+        >
+          {playing ? <Pause size={14} /> : <Play size={14} />}
+        </Button>
+
+        <div className="min-w-0 flex-1">
+          <div className="flex items-center justify-between gap-3 text-[11px] tabular-nums text-muted-soft">
+            <span>{formatPlaybackClock(elapsed)}</span>
+            <span className="truncate text-muted-foreground">
+              {hasRecording ? "会话录音" : "录音回放（Mock，尚未接入录音文件）"}
+            </span>
+            <span>{formatPlaybackClock(durationSec)}</span>
+          </div>
+          <div className="mt-1 h-1 overflow-hidden rounded-full bg-surface-strong">
+            <div
+              className="h-full rounded-full bg-primary transition-[width] duration-150"
+              style={{ width: `${progress * 100}%` }}
+            />
+          </div>
         </div>
       </div>
-
-      <div className="space-y-4 p-4 sm:p-5">
-        {entries.map((entry, index) =>
-          entry.kind === "message" ? (
-            <TimelineMessage key={`message-${entry.message.id}`} message={entry.message} />
-          ) : (
-            <TimelineTrace
-              key={`trace-${textValue(entry.event.eventId) || index}`}
-              event={entry.event}
-              nodes={nodes}
-              startedEvent={startedByInvocation.get(
-                textValue(recordValue(entry.event.outcome).invocationId) ||
-                  textValue(entry.event.invocationId),
-              )}
-            />
-          ),
-        )}
-        {entries.length === 0 && (
-          <div className="py-12 text-center text-muted-foreground">
-            本次会话没有产生可展示的记录
-          </div>
-        )}
-      </div>
-    </section>
+    </div>
   );
 }
 
+type TimelineEntry =
+  | {
+      kind: "message";
+      timestamp: string;
+      order: number;
+      message: ConversationMessage;
+    }
+  | {
+      kind: "trace";
+      timestamp: string;
+      order: number;
+      event: TraceEvent;
+    };
+
+function timestampOrder(value: string): number {
+  const parsed = Date.parse(value);
+  return Number.isNaN(parsed) ? Number.MAX_SAFE_INTEGER : parsed;
+}
+
 function TimelineMessage({ message }: { message: ConversationMessage }) {
   const isUser = message.role === "user";
   const images = (message.artifacts ?? []).filter((item) => item.kind === "image");