diff --git a/frontend-web/src/pages/chats-history/ResearchHistoryTab.tsx b/frontend-web/src/pages/chats-history/ResearchHistoryTab.tsx
new file mode 100644
index 00000000..5d89b688
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+++ b/frontend-web/src/pages/chats-history/ResearchHistoryTab.tsx
@@ -0,0 +1,173 @@
+"use client";
+
+/**
+ * 「对话历史」页 —— 深度研究 Tab。
+ *
+ * 数据来自 deep-research 会话列表（useResearchSessions）。点击跳转深度研究页并
+ * 带 ``?session=<id>``，由 DeepResearchWorkbench 挂载时读取该参数直接选中并
+ * 打开这条研究记录。
+ */
+
+import { useEffect, useState } from "react";
+import { useNavigate } from "react-router-dom";
+import { toast } from "sonner";
+
+import {
+  useResearchActions,
+  useResearchSessions,
+  type DeepResearchSession,
+} from "@/strategy-components/api/deep-research";
+import { formatRelative } from "@/open-canvas/components/ai-writing/AIWritingHistoryDropdown";
+import { desensitize } from "@/lib/desensitize";
+
+import {
+  DeleteIcon,
+  HistoryRenameDialog,
+  HistoryRow,
+  HistoryRowIconButton,
+  HistoryStatusPill,
+  RenameIcon,
+} from "./history-tab-shared";
+
+const DEEP_RESEARCH_PATH = "/page/workspace/deep-research";
+
+/** 状态文案与配色对齐 DeepResearchWorkbench 的研究记录侧栏。 */
+const RESEARCH_STATUS: Record<
+  DeepResearchSession["status"],
+  { label: string; className: string }
+> = {
+  draft: { label: "待开始", className: "text-muted-foreground" },
+  collecting: { label: "收集中", className: "text-primary" },
+  awaiting_report: { label: "待撰写", className: "text-amber-500" },
+  running: { label: "进行中", className: "text-primary" },
+  awaiting_input: { label: "等待确认", className: "text-amber-500" },
+  completed: { label: "已完成", className: "text-emerald-600" },
+  failed: { label: "失败", className: "text-rose-500" },
+  cancelled: { label: "已取消", className: "text-muted-foreground" },
+};
+
+export function ResearchHistoryTab({
+  query,
+  onTotalChange,
+}: {
+  query: string;
+  onTotalChange?: (total: number) => void;
+}) {
+  const navigate = useNavigate();
+  const { data, isLoading } = useResearchSessions(100);
+  const actions = useResearchActions();
+  const [renameId, setRenameId] = useState<string | null>(null);
+  const [renameTitle, setRenameTitle] = useState("");
+
+  const sessions = data?.items ?? [];
+
+  const keyword = query.trim().toLowerCase();
+  const filtered = keyword
+    ? sessions.filter((session) =>
+        (session.title || session.query).toLowerCase().includes(keyword),
+      )
+    : sessions;
+
+  useEffect(() => {
+    onTotalChange?.(filtered.length);
+  }, [filtered.length, onTotalChange]);
+
+  const openSession = (session: DeepResearchSession) => {
+    navigate(`${DEEP_RESEARCH_PATH}?session=${encodeURIComponent(session.id)}`);
+  };
+
+  const handleRename = async (id: string, title: string) => {
+    try {
+      await actions.updateTitle.mutateAsync({ id, title });
+      toast.success("已重命名");
+    } catch {
+      toast.error("重命名失败，请重试");
+    } finally {
+      setRenameId(null);
+    }
+  };
+
+  const handleDelete = async (session: DeepResearchSession) => {
+    if (!window.confirm("确定删除这条研究记录吗？此操作不可恢复。")) return;
+    try {
+      await actions.delete.mutateAsync(session.id);
+      toast.success("已删除研究记录");
+    } catch (error) {
+      toast.error(error instanceof Error ? error.message : "删除失败，请重试");
+    }
+  };
+
+  if (isLoading && sessions.length === 0) {
+    return (
+      <div className="text-muted-foreground py-16 text-center text-sm">
+        加载中…
+      </div>
+    );
+  }
+
+  if (filtered.length === 0) {
+    return (
+      <div className="text-muted-foreground py-16 text-center text-sm">
+        {keyword ? "没有匹配的研究记录" : "暂无研究记录"}
+      </div>
+    );
+  }
+
+  return (
+    <>
+      {filtered.map((session) => {
+        const status = RESEARCH_STATUS[session.status] ?? {
+          label: session.status,
+          className: "text-muted-foreground",
+        };
+        return (
+          <HistoryRow
+            key={session.id}
+            title={desensitize(session.title || session.query || "未命名研究")}
+            meta={
+              <>
+                <HistoryStatusPill
+                  label={status.label}
+                  className={status.className}
+                />
+                <span className="text-muted-foreground/60">·</span>
+                {session.sourceCount > 0 && (
+                  <>
+                    <span>{session.sourceCount} 条来源</span>
+                    <span className="text-muted-foreground/60">·</span>
+                  </>
+                )}
+                <span>{formatRelative(session.updatedAt ?? session.createdAt ?? "")}</span>
+              </>
+            }
+            onOpen={() => openSession(session)}
+          >
+            <HistoryRowIconButton
+              title="重命名"
+              onClick={() => {
+                setRenameId(session.id);
+                setRenameTitle(session.title || session.query || "");
+              }}
+            >
+              <RenameIcon />
+            </HistoryRowIconButton>
+            <HistoryRowIconButton
+              title="删除"
+              onClick={() => void handleDelete(session)}
+            >
+              <DeleteIcon />
+            </HistoryRowIconButton>
+          </HistoryRow>
+        );
+      })}
+
+      <HistoryRenameDialog
+        open={renameId !== null}
+        initialTitle={renameTitle}
+        dialogTitle="重命名研究"
+        onCancel={() => setRenameId(null)}
+        onConfirm={(title) => renameId && void handleRename(renameId, title)}
+      />
+    </>
+  );
+}