feat(ai写作): 左栏智能体 Tab 内嵌问答并优化模块侧栏

AI 写作页默认展示智能体 Tab，在页内复用 ai-writing 模块配置与 AgentChatPage；确认类型后侧栏扁平展示类型名并支持整块收起动画。同步历史回看、流式续跑、改写菜单与 researcher 检索相关改动。

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend-web/src/components/workspace/agents/agent-module-sidebar.tsx

@@ -107,33 +107,11 @@ function groupAgentsByTag(agents: Agent[], allowedTagIds: string[]): AgentGroup[
   return groups;
 }
 
-/**
- * 「按类型聚合智能体 + 聊天记录」左栏（需求 0616 #3 zzJC / #4 zzXD）。
- *
- * - 上半：可见智能体按标签（类型）分组、可折叠；点击进入该智能体对话（保持当前路由
- *   命名空间，全量模式下为 /page/strategy）。
- * - 下半：聊天记录 —— 仅与本模块智能体（即左栏列出的智能体）的会话，按 metadata.agent_id 过滤。
- * - 宽度与通用问答左栏一致（``--sidebar-width``）。
- */
-export function AgentModuleSidebar({
-  moduleKey,
-  activeAgentId,
-  onOpenSettings,
-}: {
-  moduleKey: string;
-  activeAgentId?: string;
-  /** 传入则在左栏顶部显示设置齿轮（admin）。 */
-  onOpenSettings?: () => void;
-}) {
-  const routeBase = useRouteBase();
-  const pathname = usePathname();
-  // 智能体图标配色分主题：深蓝主题用规范蓝-青系，其它（浅色）保持原高彩度色，互不影响。
-  const { theme } = useTheme();
-  const isDark = theme === "dark";
-  const { agents } = useAgents();
+export function useAgentModuleSidebarData(moduleKey: string) {
+  const { agents, isLoading: agentsLoading } = useAgents();
   const { data: threads = [] } = useThreads();
-  const { data: moduleConfig } = useAgentModuleConfig(moduleKey);
-  const [collapsed, setCollapsed] = useState<Set<string>>(() => new Set());
+  const { data: moduleConfig, isLoading: configLoading } =
+    useAgentModuleConfig(moduleKey);
 
   const allowedTagIds = useMemo(
     () => moduleConfig?.tag_ids ?? [],
@@ -161,6 +139,56 @@ export function AgentModuleSidebar({
     [threads, moduleAgentIds],
   );
 
+  return {
+    groups,
+    moduleAgentIds,
+    moduleThreads,
+    allowedTagIds,
+    // admin 是否已确认该模块展示的智能体类型（配置了标签）。
+    hasConfiguredType: allowedTagIds.length > 0,
+    isLoading: agentsLoading || configLoading,
+  };
+}
+
+/**
+ * 「按类型聚合智能体 + 聊天记录」左栏（需求 0616 #3 zzJC / #4 zzXD）。
+ *
+ * - 上半：可见智能体按标签（类型）分组、可折叠；点击进入该智能体对话（保持当前路由
+ *   命名空间，全量模式下为 /page/strategy）。
+ * - 下半：聊天记录 —— 仅与本模块智能体（即左栏列出的智能体）的会话，按 metadata.agent_id 过滤。
+ * - 宽度与通用问答左栏一致（``--sidebar-width``）。
+ */
+export function AgentModuleSidebar({
+  moduleKey,
+  activeAgentId,
+  activeThreadId,
+  routeBase: routeBaseProp,
+  headerTitle = "智能体",
+  className,
+  onOpenSettings,
+}: {
+  moduleKey: string;
+  activeAgentId?: string;
+  activeThreadId?: string;
+  routeBase?: string;
+  headerTitle?: string;
+  className?: string;
+  /** 传入则在左栏顶部显示设置齿轮（admin）。 */
+  onOpenSettings?: () => void;
+}) {
+  const contextRouteBase = useRouteBase();
+  const routeBase = routeBaseProp ?? contextRouteBase;
+  const pathname = usePathname();
+  // 智能体图标配色分主题：深蓝主题用规范蓝-青系，其它（浅色）保持原高彩度色，互不影响。
+  const { theme } = useTheme();
+  const isDark = theme === "dark";
+  const [collapsed, setCollapsed] = useState<Set<string>>(() => new Set());
+  const { groups, moduleThreads, hasConfiguredType } =
+    useAgentModuleSidebarData(moduleKey);
+  // 已确认智能体类型时，允许把上半「智能体类型」整块收起，把空间让给下半聊天记录。
+  const [agentsSectionCollapsed, setAgentsSectionCollapsed] = useState(false);
+  const agentsCollapsed = hasConfiguredType && agentsSectionCollapsed;
+
   const toggleGroup = (key: string) =>
     setCollapsed((prev) => {
       const next = new Set(prev);
@@ -169,14 +197,68 @@ export function AgentModuleSidebar({
       return next;
     });
 
+  // 已确认类型时把所有分组的智能体拍平（单选类型一般只有一个分组），
+  // 标题行直接显示该类型名 + 数量，去掉额外的分组行。
+  const flatAgents = useMemo(() => groups.flatMap((g) => g.agents), [groups]);
+  const configuredTypeLabel =
+    groups.length === 1 ? (groups[0]?.label ?? "智能体类型") : "智能体类型";
+
+  const renderAgentCard = (agent: Agent, keyPrefix: string) => {
+    const href = `${routeBase}/agents/${agent.id}/chats/new`;
+    const isActive = agent.id === activeAgentId;
+    const { from, to } = agentColor(agent.id, isDark);
+    return (
+      <Link
+        key={`${keyPrefix}:${agent.id}`}
+        href={href}
+        className={cn(
+          "group relative flex w-full items-start gap-2.5 rounded-xl border px-2.5 py-2 transition-colors",
+          isActive
+            ? "border-primary/40 bg-primary/5"
+            : "border-transparent hover:border-border hover:bg-accent/50",
+        )}
+      >
+        <span
+          className="mt-0.5 flex size-9 shrink-0 items-center justify-center rounded-lg text-white shadow-sm"
+          style={{ backgroundImage: `linear-gradient(135deg, ${from}, ${to})` }}
+        >
+          <Bot className="size-[18px]" />
+        </span>
+        <span className="min-w-0 flex-1">
+          <span
+            className={cn(
+              "block truncate text-[13px] font-semibold",
+              isActive ? "text-primary" : "text-foreground",
+            )}
+          >
+            {desensitize(agent.name)}
+          </span>
+          <span className="mt-0.5 block truncate text-[11px] leading-snug text-muted-foreground">
+            {agent.description ? desensitize(agent.description) : "智能体助手"}
+          </span>
+        </span>
+        {isActive && (
+          <span className="absolute top-1/2 right-1 h-6 w-1 -translate-y-1/2 rounded-full bg-primary" />
+        )}
+      </Link>
+    );
+  };
+
   return (
     // 原有布局不变，仅做配色适配：深色下左栏改为半透明深蓝玻璃面板（对齐 .sidebar-contents：
     // bg rgba(3,38,80,.8) + 蓝色发光边框），叠 backdrop-blur 让外壳的深蓝底图朦胧透出；
     // 浅色保持白底。其余颜色已走语义 token 自适配。
-    <aside className="flex h-full w-(--sidebar-width) shrink-0 flex-col overflow-hidden border-r border-border/70 bg-white text-foreground backdrop-blur-md dark:border-[#2b8ffe]/45 dark:bg-[#032650]/80">
+    <aside
+      className={cn(
+        "flex h-full w-(--sidebar-width) shrink-0 flex-col overflow-hidden border-r border-border/70 bg-white text-foreground backdrop-blur-md dark:border-[#2b8ffe]/45 dark:bg-[#032650]/80",
+        className,
+      )}
+    >
       {onOpenSettings && (
         <div className="flex shrink-0 items-center justify-between border-b border-border/60 px-3 py-2">
-          <span className="text-xs font-semibold text-foreground/80">智能体</span>
+          <span className="text-xs font-semibold text-foreground/80">
+            {headerTitle}
+          </span>
           <button
             type="button"
             onClick={onOpenSettings}
@@ -189,89 +271,116 @@ export function AgentModuleSidebar({
         </div>
       )}
 
-      {/* 上半：按类型分组的智能体（彩色卡片，与全量版看齐） */}
-      <div className="flex min-h-0 flex-[3] flex-col overflow-y-auto px-2 py-3">
-        <h2 className="mb-1 px-3 py-1 text-[11px] font-semibold tracking-[0.04em] text-muted-foreground/80 select-none">
-          智能体类型
-        </h2>
-        {groups.length === 0 ? (
-          <p className="px-3 py-1.5 text-xs text-muted-foreground/70">暂无智能体</p>
+      {/* 上半：智能体列表。
+          - 未确认类型：按类型分组、可逐组折叠（与全量版一致）。
+          - 已确认类型：标题行直接显示该类型名 + 数量（去掉单独的分组行），
+            扁平列出该类型下的智能体，并可整块收起（grid 行高过渡动画），
+            收起后只留标题、把高度让给下半聊天记录。 */}
+      <div
+        className={cn(
+          "flex flex-col px-2 py-3",
+          agentsCollapsed ? "shrink-0" : "min-h-0 flex-[3]",
+        )}
+      >
+        {hasConfiguredType ? (
+          <>
+            <button
+              type="button"
+              onClick={() => setAgentsSectionCollapsed((prev) => !prev)}
+              title={agentsCollapsed ? "展开智能体" : "收起智能体"}
+              className="flex shrink-0 items-center justify-between px-3 py-1 text-[11px] font-semibold tracking-[0.04em] text-muted-foreground/80 transition-colors hover:text-muted-foreground select-none"
+            >
+              <span className="flex items-center gap-1.5 truncate">
+                <span className="truncate">{configuredTypeLabel}</span>
+                <span className="rounded-full bg-muted px-1.5 py-0.5 text-[10px] font-normal text-muted-foreground tabular-nums">
+                  {flatAgents.length}
+                </span>
+              </span>
+              <ChevronDown
+                className={cn(
+                  "size-3.5 shrink-0 transition-transform duration-300",
+                  agentsCollapsed && "-rotate-90",
+                )}
+              />
+            </button>
+            <div
+              className={cn(
+                "grid transition-[grid-template-rows] duration-300 ease-in-out",
+                agentsCollapsed
+                  ? "grid-rows-[0fr]"
+                  : "mt-1 min-h-0 flex-1 grid-rows-[1fr]",
+              )}
+            >
+              <div
+                className={cn(
+                  "min-h-0",
+                  agentsCollapsed
+                    ? "overflow-hidden"
+                    : "overflow-y-auto overflow-x-hidden",
+                )}
+              >
+                {flatAgents.length === 0 ? (
+                  <p className="px-3 py-1.5 text-xs text-muted-foreground/70">
+                    暂无智能体
+                  </p>
+                ) : (
+                  <div className="flex flex-col gap-1">
+                    {flatAgents.map((agent) =>
+                      renderAgentCard(agent, "configured"),
+                    )}
+                  </div>
+                )}
+              </div>
+            </div>
+          </>
         ) : (
-          <div className="flex flex-col gap-1.5">
-            {groups.map((group) => {
-              const isCollapsed = collapsed.has(group.key);
-              return (
-                <div key={group.key}>
-                  <button
-                    type="button"
-                    onClick={() => toggleGroup(group.key)}
-                    className="flex w-full items-center justify-between px-3 py-1 text-[11px] font-semibold tracking-[0.04em] text-muted-foreground/80 transition-colors hover:text-muted-foreground select-none"
-                  >
-                    <span className="flex items-center gap-1.5 truncate">
-                      <span className="truncate">{group.label}</span>
-                      <span className="rounded-full bg-muted px-1.5 py-0.5 text-[10px] font-normal text-muted-foreground tabular-nums">
-                        {group.agents.length}
-                      </span>
-                    </span>
-                    <ChevronDown
-                      className={cn(
-                        "size-3.5 shrink-0 transition-transform duration-200",
-                        isCollapsed && "-rotate-90",
-                      )}
-                    />
-                  </button>
-                  {!isCollapsed && (
-                    <div className="mt-1 flex flex-col gap-1">
-                      {group.agents.map((agent) => {
-                        const href = `${routeBase}/agents/${agent.id}/chats/new`;
-                        const isActive = agent.id === activeAgentId;
-                        const { from, to } = agentColor(agent.id, isDark);
-                        return (
-                          <Link
-                            key={`${group.key}:${agent.id}`}
-                            href={href}
+          <>
+            <h2 className="mb-1 shrink-0 px-3 py-1 text-[11px] font-semibold tracking-[0.04em] text-muted-foreground/80 select-none">
+              智能体类型
+            </h2>
+            <div className="min-h-0 flex-1 overflow-y-auto overflow-x-hidden">
+              {groups.length === 0 ? (
+                <p className="px-3 py-1.5 text-xs text-muted-foreground/70">
+                  暂无智能体
+                </p>
+              ) : (
+                <div className="flex flex-col gap-1.5">
+                  {groups.map((group) => {
+                    const isCollapsed = collapsed.has(group.key);
+                    return (
+                      <div key={group.key}>
+                        <button
+                          type="button"
+                          onClick={() => toggleGroup(group.key)}
+                          className="flex w-full items-center justify-between px-3 py-1 text-[11px] font-semibold tracking-[0.04em] text-muted-foreground/80 transition-colors hover:text-muted-foreground select-none"
+                        >
+                          <span className="flex items-center gap-1.5 truncate">
+                            <span className="truncate">{group.label}</span>
+                            <span className="rounded-full bg-muted px-1.5 py-0.5 text-[10px] font-normal text-muted-foreground tabular-nums">
+                              {group.agents.length}
+                            </span>
+                          </span>
+                          <ChevronDown
                             className={cn(
-                              "group relative flex w-full items-start gap-2.5 rounded-xl border px-2.5 py-2 transition-colors",
-                              isActive
-                                ? "border-primary/40 bg-primary/5"
-                                : "border-transparent hover:border-border hover:bg-accent/50",
+                              "size-3.5 shrink-0 transition-transform duration-200",
+                              isCollapsed && "-rotate-90",
                             )}
-                          >
-                            <span
-                              className="mt-0.5 flex size-9 shrink-0 items-center justify-center rounded-lg text-white shadow-sm"
-                              style={{
-                                backgroundImage: `linear-gradient(135deg, ${from}, ${to})`,
-                              }}
-                            >
-                              <Bot className="size-[18px]" />
-                            </span>
-                            <span className="min-w-0 flex-1">
-                              <span
-                                className={cn(
-                                  "block truncate text-[13px] font-semibold",
-                                  isActive ? "text-primary" : "text-foreground",
-                                )}
-                              >
-                                {desensitize(agent.name)}
-                              </span>
-                              <span className="mt-0.5 block truncate text-[11px] leading-snug text-muted-foreground">
-                                {agent.description
-                                  ? desensitize(agent.description)
-                                  : "智能体助手"}
-                              </span>
-                            </span>
-                            {isActive && (
-                              <span className="absolute top-1/2 right-1 h-6 w-1 -translate-y-1/2 rounded-full bg-primary" />
+                          />
+                        </button>
+                        {!isCollapsed && (
+                          <div className="mt-1 flex flex-col gap-1">
+                            {group.agents.map((agent) =>
+                              renderAgentCard(agent, group.key),
                             )}
-                          </Link>
-                        );
-                      })}
-                    </div>
-                  )}
+                          </div>
+                        )}
+                      </div>
+                    );
+                  })}
                 </div>
-              );
-            })}
-          </div>
+              )}
+            </div>
+          </>
         )}
       </div>
 
@@ -286,7 +395,8 @@ export function AgentModuleSidebar({
           <div className="flex flex-col gap-0.5">
             {moduleThreads.map((thread) => {
               const href = pathOfThread(thread, undefined, routeBase);
-              const isActive = href === pathname;
+              const isActive =
+                thread.thread_id === activeThreadId || href === pathname;
               return (
                 <Link
                   key={thread.thread_id}

frontend-web/src/open-canvas/api/rewrite.ts

@@ -1,7 +1,7 @@
 import { apiFetch } from "@/core/api/fetch-client";
 import { getBackendBaseURL } from "@/core/config";
 
-export type RewriteAction = "polish" | "expand" | "shorten" | "tone";
+export type RewriteAction = "polish" | "expand" | "shorten" | "tone" | "imitate";
 export type RewriteTone =
   | "professional"
   | "casual"
@@ -17,6 +17,8 @@ export interface RewriteRequest {
   modelName?: string;
   surroundingContext?: { before?: string; after?: string };
   customInstruction?: string;
+  /** 仿写参考范文（action="imitate" 时使用）：AI 模仿其文风/句式/语气改写所选文字。 */
+  referenceText?: string;
   followUpInstruction?: string;
   previousResult?: string;
 }

frontend-web/src/open-canvas/components/ai-writing/AIWritingHistoryView.tsx

@@ -1,88 +1,370 @@
 import { useMemo } from 'react';
-import { CheckCircle2, ChevronRight, FileText, Search, PenLine, ClipboardEdit, Star } from 'lucide-react';
 
-import type { AIWritingSessionSummary, CompletedInterventionRecord } from '../../api/ai-writing-sessions';
+import type { AIWritingSessionSummary } from '../../api/ai-writing-sessions';
 import {
   normalizeProgressDict,
   normalizeMaterial,
   normalizeOutline,
   normalizeReviewResult,
 } from '../../hooks/useAIWritingStream';
-import type { CompletedIntervention } from '../../types/ai-writing';
+import type { CompletedIntervention, ProgressEvent, ReviewResult } from '../../types/ai-writing';
+import { countArticleWords } from '../../utils/wordCount';
 import { AIWritingTimeline } from './AIWritingTimeline';
 
-/**
- * 归一化一条 completedIntervention（后台挂起重建的干预记录里素材/大纲/审核数据是
- * snake_case，前端干预卡期望 camelCase）。对前端实时存的 camelCase 记录幂等。
- */
-function normalizeCompletedIntervention(rec: Record<string, unknown>): CompletedIntervention {
-  const out: Record<string, unknown> = { ...rec };
-  out.pausePoint = rec.pausePoint ?? rec.pause_point;
+const PAUSE_POINTS = new Set<CompletedIntervention['pausePoint']>([
+  'material_confirm',
+  'outline_confirm',
+  'draft_confirm',
+  'review_confirm',
+  'section_help',
+]);
+
+const PAUSE_MESSAGES: Record<CompletedIntervention['pausePoint'], string> = {
+  material_confirm: '素材收集专家已完成素材搜集，请确认素材后继续。',
+  outline_confirm: '作家已完成大纲规划，请确认或编辑大纲后继续。',
+  draft_confirm: '草稿已完成，请确认或给出修改意见。',
+  review_confirm: '编辑认为文章需要修改，请决定下一步操作。',
+  section_help: '部分章节缺少足够素材支撑写作，请决定如何处理。',
+};
+
+interface TimelineSnapshot {
+  materials?: CompletedIntervention['materials'];
+  outline?: CompletedIntervention['outline'];
+  draftTitle?: string;
+  draftWordCount?: number;
+  reviewResult?: ReviewResult | null;
+}
+
+function asPausePoint(value: unknown): CompletedIntervention['pausePoint'] | null {
+  const pausePoint = String(value ?? '');
+  return PAUSE_POINTS.has(pausePoint as CompletedIntervention['pausePoint'])
+    ? (pausePoint as CompletedIntervention['pausePoint'])
+    : null;
+}
+
+function normalizeCompletedIntervention(rec: Record<string, unknown>): CompletedIntervention | null {
+  const pausePoint = asPausePoint(rec.pausePoint ?? rec.pause_point);
+  if (!pausePoint) return null;
+
+  const out: CompletedIntervention = {
+    pausePoint,
+    action: String(rec.action ?? defaultActionForPause(pausePoint)),
+  };
+
   if (Array.isArray(rec.materials)) {
     out.materials = (rec.materials as Record<string, unknown>[]).map(normalizeMaterial);
   }
-  if (rec.outline) out.outline = normalizeOutline(rec.outline);
-  const rr = rec.reviewResult ?? rec.review_result;
-  if (rr) out.reviewResult = normalizeReviewResult(rr);
-  if (out.draftTitle == null && rec.draft_title != null) out.draftTitle = rec.draft_title;
-  if (out.draftWordCount == null && rec.draft_word_count != null) out.draftWordCount = rec.draft_word_count;
-  if (out.userInput == null && rec.user_input != null) out.userInput = rec.user_input;
-  return out as unknown as CompletedIntervention;
+
+  const outline = normalizeOutline(rec.outline);
+  if (outline) out.outline = outline;
+
+  const reviewResult = normalizeReviewResult(rec.reviewResult ?? rec.review_result);
+  if (reviewResult) out.reviewResult = reviewResult;
+
+  const draftTitle = rec.draftTitle ?? rec.draft_title;
+  if (typeof draftTitle === 'string' && draftTitle.trim()) out.draftTitle = draftTitle;
+
+  const draftWordCount = Number(rec.draftWordCount ?? rec.draft_word_count);
+  if (Number.isFinite(draftWordCount) && draftWordCount > 0) {
+    out.draftWordCount = draftWordCount;
+  }
+
+  const userInput =
+    rec.userInput ??
+    rec.user_input ??
+    rec.userQuery ??
+    rec.user_query ??
+    rec.outlineFeedback ??
+    rec.outline_feedback ??
+    rec.userRevisionNotes ??
+    rec.user_revision_notes;
+  if (typeof userInput === 'string' && userInput.trim()) out.userInput = userInput;
+
+  return out;
 }
 
-const PAUSE_LABELS: Record<string, string> = {
-  material_confirm: '素材确认',
-  outline_confirm:  '大纲确认',
-  draft_confirm:    '草稿确认',
-  review_confirm:   '编辑意见处理',
-};
+function normalizeInterventionList(records: unknown): CompletedIntervention[] {
+  if (!Array.isArray(records)) return [];
+  return records
+    .map((rec) => (
+      rec && typeof rec === 'object'
+        ? normalizeCompletedIntervention(rec as Record<string, unknown>)
+        : null
+    ))
+    .filter((rec): rec is CompletedIntervention => rec != null);
+}
 
-const ACTION_LABELS: Record<string, string> = {
-  approve:        '已批准',
-  re_search:      '重新搜索',
-  re_outline:     '重新规划',
-  finalize:       '直接定稿',
-  to_editor:      '提交审核',
-  user_revise:    '手动修改',
-  accept_review:  '接受意见',
-  force_finalize: '强制定稿',
-};
+function defaultActionForPause(pausePoint: CompletedIntervention['pausePoint']): string {
+  switch (pausePoint) {
+    case 'draft_confirm':
+      return 'to_editor';
+    case 'review_confirm':
+      return 'accept_review';
+    case 'section_help':
+      return 'section_help';
+    default:
+      return 'confirm';
+  }
+}
 
-const PAUSE_ICONS: Record<string, React.ElementType> = {
-  material_confirm: Search,
-  outline_confirm:  PenLine,
-  draft_confirm:    FileText,
-  review_confirm:   ClipboardEdit,
-};
+function classifyResumeEvent(message: string): Pick<CompletedIntervention, 'pausePoint' | 'action'> | null {
+  const m = message || '';
+  if (m.includes('确认素材')) return { pausePoint: 'material_confirm', action: 'confirm' };
+  if (m.includes('匹配技能检索') || m.includes('重新检索') || m.includes('重新搜索')) {
+    return { pausePoint: 'material_confirm', action: 're_search' };
+  }
+  if (m.includes('确认大纲')) return { pausePoint: 'outline_confirm', action: 'confirm' };
+  if (m.includes('重新规划大纲')) return { pausePoint: 'outline_confirm', action: 're_outline' };
+  if (m.includes('提交编辑审核')) return { pausePoint: 'draft_confirm', action: 'to_editor' };
+  if (m.includes('强制定稿')) return { pausePoint: 'review_confirm', action: 'force_finalize' };
+  if (m.includes('确认定稿')) return { pausePoint: 'draft_confirm', action: 'finalize' };
+  if (m.includes('按用户意见重写')) return { pausePoint: 'draft_confirm', action: 'user_revise' };
+  if (m.includes('按编辑意见重写')) return { pausePoint: 'review_confirm', action: 'accept_review' };
+  if (m.includes('补充检索素材')) return { pausePoint: 'section_help', action: 'supplement' };
+  if (m.includes('继续写作')) return { pausePoint: 'section_help', action: 'loose' };
+  return null;
+}
 
-function InterventionTimelineItem({ record, isLast }: { record: CompletedInterventionRecord; isLast: boolean }) {
-  const Icon = PAUSE_ICONS[record.pausePoint] ?? CheckCircle2;
-  const ts = record.timestamp
-    ? new Date(record.timestamp).toLocaleString('zh-CN', { month: 'short', day: 'numeric', hour: '2-digit', minute: '2-digit' })
-    : '';
+function actionFromNextResume(
+  pausePoint: CompletedIntervention['pausePoint'],
+  events: ProgressEvent[],
+  startIndex: number,
+): string {
+  for (let i = startIndex; i < events.length; i += 1) {
+    const event = events[i];
+    if (event.type === 'await_user') break;
+    if (event.type !== 'resumed') continue;
+    const classified = classifyResumeEvent(event.message);
+    if (classified?.pausePoint === pausePoint) return classified.action;
+    break;
+  }
+  return defaultActionForPause(pausePoint);
+}
 
-  return (
-    <div className="flex gap-3">
-      <div className="flex flex-col items-center">
-        <div className="w-6 h-6 rounded-full bg-primary/10 flex items-center justify-center shrink-0">
-          <Icon className="w-3 h-3 text-primary" />
-        </div>
-        {!isLast && <div className="w-px flex-1 bg-border/60 mt-1" />}
-      </div>
-      <div className="pb-4 min-w-0 flex-1">
-        <div className="flex items-center gap-2">
-          <span className="text-xs font-medium">
-            {PAUSE_LABELS[record.pausePoint] ?? record.pausePoint}
-          </span>
-          <ChevronRight className="w-3 h-3 text-muted-foreground" />
-          <span className="text-xs text-primary font-medium">
-            {ACTION_LABELS[record.action] ?? record.action}
-          </span>
-        </div>
-        {ts && <p className="text-[10px] text-muted-foreground mt-0.5">{ts}</p>}
-      </div>
-    </div>
-  );
+function materialsFromEvent(event: ProgressEvent | undefined): CompletedIntervention['materials'] | undefined {
+  if (!event) return undefined;
+  if (event.materials?.length) return event.materials;
+  const raw = event.pauseContext?.materials;
+  return Array.isArray(raw)
+    ? raw.map((item) => normalizeMaterial(item as Record<string, unknown>))
+    : undefined;
+}
+
+function outlineFromEvent(event: ProgressEvent | undefined): CompletedIntervention['outline'] | undefined {
+  if (!event) return undefined;
+  if (event.outline) return event.outline;
+  const outline = normalizeOutline(event.pauseContext?.outline);
+  return outline ?? undefined;
+}
+
+function reviewFromEvent(event: ProgressEvent | undefined): ReviewResult | null | undefined {
+  if (!event) return undefined;
+  if (event.reviewResult) return event.reviewResult;
+  return normalizeReviewResult(event.pauseContext?.reviewResult ?? event.pauseContext?.review_result) ?? undefined;
+}
+
+function updateSnapshot(snapshot: TimelineSnapshot, event: ProgressEvent): void {
+  if (event.type === 'materials_ready' && event.materials) {
+    snapshot.materials = event.materials;
+  }
+  if (event.type === 'outline_ready' && event.outline) {
+    snapshot.outline = event.outline;
+  }
+  if (event.type === 'draft_ready') {
+    if (event.draftTitle) snapshot.draftTitle = event.draftTitle;
+    if (event.draftMarkdown) snapshot.draftWordCount = countArticleWords(event.draftMarkdown);
+  }
+  if (event.type === 'review_ready' && event.reviewResult) {
+    snapshot.reviewResult = event.reviewResult;
+  }
+}
+
+function enrichIntervention(
+  record: CompletedIntervention,
+  sourceEvent: ProgressEvent | undefined,
+  snapshot: TimelineSnapshot,
+  sessionDraftTitle: string | null,
+  sessionDraftMarkdown: string | null,
+  sessionReviewResult: ReviewResult | null,
+): CompletedIntervention {
+  const enriched: CompletedIntervention = { ...record };
+
+  if (record.pausePoint === 'material_confirm') {
+    enriched.materials = record.materials?.length
+      ? record.materials
+      : (materialsFromEvent(sourceEvent) ?? snapshot.materials ?? []);
+  }
+
+  if (record.pausePoint === 'outline_confirm') {
+    enriched.outline = record.outline ?? outlineFromEvent(sourceEvent) ?? snapshot.outline;
+  }
+
+  if (record.pausePoint === 'draft_confirm') {
+    enriched.draftTitle =
+      record.draftTitle ??
+      sourceEvent?.draftTitle ??
+      snapshot.draftTitle ??
+      sessionDraftTitle ??
+      undefined;
+    enriched.draftWordCount =
+      record.draftWordCount ??
+      snapshot.draftWordCount ??
+      (sessionDraftMarkdown ? countArticleWords(sessionDraftMarkdown) : undefined);
+    enriched.reviewResult =
+      record.reviewResult ??
+      reviewFromEvent(sourceEvent) ??
+      snapshot.reviewResult ??
+      sessionReviewResult ??
+      undefined;
+  }
+
+  if (record.pausePoint === 'review_confirm') {
+    enriched.reviewResult =
+      record.reviewResult ??
+      reviewFromEvent(sourceEvent) ??
+      snapshot.reviewResult ??
+      sessionReviewResult ??
+      undefined;
+  }
+
+  return enriched;
+}
+
+function synthesizeInterventions(
+  events: ProgressEvent[],
+  sessionDraftTitle: string | null,
+  sessionDraftMarkdown: string | null,
+  sessionReviewResult: ReviewResult | null,
+): CompletedIntervention[] {
+  const records: CompletedIntervention[] = [];
+  const snapshot: TimelineSnapshot = {
+    draftTitle: sessionDraftTitle ?? undefined,
+    draftWordCount: sessionDraftMarkdown ? countArticleWords(sessionDraftMarkdown) : undefined,
+    reviewResult: sessionReviewResult,
+  };
+  const hasAwaitUser = events.some((event) => event.type === 'await_user');
+
+  for (let i = 0; i < events.length; i += 1) {
+    const event = events[i];
+
+    if (event.type === 'await_user') {
+      const pausePoint = asPausePoint(event.pausePoint);
+      if (pausePoint) {
+        const record: CompletedIntervention = {
+          pausePoint,
+          action: actionFromNextResume(pausePoint, events, i + 1),
+        };
+        records.push(
+          enrichIntervention(
+            record,
+            event,
+            snapshot,
+            sessionDraftTitle,
+            sessionDraftMarkdown,
+            sessionReviewResult,
+          ),
+        );
+      }
+    } else if (!hasAwaitUser && event.type === 'resumed') {
+      const classified = classifyResumeEvent(event.message);
+      if (classified) {
+        records.push(
+          enrichIntervention(
+            classified,
+            event,
+            snapshot,
+            sessionDraftTitle,
+            sessionDraftMarkdown,
+            sessionReviewResult,
+          ),
+        );
+      }
+    }
+
+    updateSnapshot(snapshot, event);
+  }
+
+  return records;
+}
+
+function mergeIntervention(primary: CompletedIntervention, fallback: CompletedIntervention): CompletedIntervention {
+  const defaultAction = defaultActionForPause(primary.pausePoint);
+  const action = primary.action === defaultAction && fallback.action
+    ? fallback.action
+    : (primary.action || fallback.action);
+
+  return {
+    pausePoint: primary.pausePoint,
+    action,
+    userInput: primary.userInput ?? fallback.userInput,
+    materials: primary.materials?.length ? primary.materials : fallback.materials,
+    outline: primary.outline ?? fallback.outline,
+    draftTitle: primary.draftTitle ?? fallback.draftTitle,
+    draftWordCount: primary.draftWordCount ?? fallback.draftWordCount,
+    reviewResult: primary.reviewResult ?? fallback.reviewResult,
+  };
+}
+
+function mergeInterventionLists(
+  synthesized: CompletedIntervention[],
+  transcriptRecords: CompletedIntervention[],
+  sessionRecords: CompletedIntervention[],
+): CompletedIntervention[] {
+  const max = Math.max(synthesized.length, transcriptRecords.length, sessionRecords.length);
+  const merged: CompletedIntervention[] = [];
+
+  for (let i = 0; i < max; i += 1) {
+    const anchor = synthesized[i] ?? transcriptRecords[i] ?? sessionRecords[i];
+    if (!anchor) continue;
+
+    let record = anchor;
+    const candidates = [transcriptRecords[i], sessionRecords[i]];
+    for (const candidate of candidates) {
+      if (!candidate || candidate.pausePoint !== record.pausePoint) continue;
+      record = mergeIntervention(record, candidate);
+    }
+    merged.push(record);
+  }
+
+  return merged;
+}
+
+function eventFromIntervention(record: CompletedIntervention, sessionId: string): ProgressEvent {
+  return {
+    type: 'await_user',
+    sessionId,
+    message: PAUSE_MESSAGES[record.pausePoint],
+    pausePoint: record.pausePoint,
+    materials: record.materials,
+    outline: record.outline,
+    reviewResult: record.reviewResult,
+    draftTitle: record.draftTitle,
+  };
+}
+
+function ensureInterventionAnchors(
+  events: ProgressEvent[],
+  records: CompletedIntervention[],
+  sessionId: string,
+): ProgressEvent[] {
+  if (events.some((event) => event.type === 'await_user')) return events;
+  if (records.length === 0) return events;
+  if (events.length === 0) return records.map((record) => eventFromIntervention(record, sessionId));
+
+  const nextEvents: ProgressEvent[] = [];
+  let recordIndex = 0;
+  for (const event of events) {
+    if (event.type === 'resumed' && recordIndex < records.length) {
+      nextEvents.push(eventFromIntervention(records[recordIndex], sessionId));
+      recordIndex += 1;
+    }
+    nextEvents.push(event);
+  }
+  while (recordIndex < records.length) {
+    nextEvents.push(eventFromIntervention(records[recordIndex], sessionId));
+    recordIndex += 1;
+  }
+  return nextEvents;
 }
 
 interface AIWritingHistoryViewProps {
@@ -90,26 +372,42 @@ interface AIWritingHistoryViewProps {
 }
 
 export function AIWritingHistoryView({ session }: AIWritingHistoryViewProps) {
-  const interventions = session.completed_interventions ?? [];
   const transcript = session.transcript;
-  // 有完整时间线快照时，复用实时对话的 AIWritingTimeline 渲染，保证回显与实时一致
-  const hasTranscript = !!transcript && (transcript.progressEvents?.length ?? 0) > 0;
-  // 归一化 transcript 事件：后台挂起跑出的事件是 raw（snake_case），前端实时存的是
-  // camelCase——统一过一遍 normalizeProgressDict（幂等），两种来源回显都正确一致。
+  const sessionReviewResult = useMemo(
+    () => normalizeReviewResult(session.review_result),
+    [session.review_result],
+  );
   const normalizedEvents = useMemo(
     () => (transcript?.progressEvents ?? []).map(
-      (e) => normalizeProgressDict(e as unknown as Record<string, unknown>, session.id),
+      (event) => normalizeProgressDict(event as unknown as Record<string, unknown>, session.id),
     ),
     [transcript, session.id],
   );
-  // 干预记录同样归一化（后台重建的素材/大纲/审核数据为 snake_case；前端实时记录已是
-  // camelCase，归一化幂等），保证素材列表/大纲/编辑审核卡片正确渲染。
-  const normalizedInterventions = useMemo(
-    () => (transcript?.completedInterventions ?? []).map(
-      (rec) => normalizeCompletedIntervention(rec as unknown as Record<string, unknown>),
-    ),
+  const transcriptInterventions = useMemo(
+    () => normalizeInterventionList(transcript?.completedInterventions),
     [transcript],
   );
+  const sessionInterventions = useMemo(
+    () => normalizeInterventionList(session.completed_interventions),
+    [session.completed_interventions],
+  );
+  const synthesizedInterventions = useMemo(
+    () => synthesizeInterventions(
+      normalizedEvents,
+      session.draft_title,
+      session.draft_markdown,
+      sessionReviewResult,
+    ),
+    [normalizedEvents, session.draft_title, session.draft_markdown, sessionReviewResult],
+  );
+  const completedInterventions = useMemo(
+    () => mergeInterventionLists(synthesizedInterventions, transcriptInterventions, sessionInterventions),
+    [synthesizedInterventions, transcriptInterventions, sessionInterventions],
+  );
+  const timelineEvents = useMemo(
+    () => ensureInterventionAnchors(normalizedEvents, completedInterventions, session.id),
+    [normalizedEvents, completedInterventions, session.id],
+  );
   const createdAt = session.created_at
     ? new Date(session.created_at).toLocaleString('zh-CN', {
         year: 'numeric', month: 'short', day: 'numeric',
@@ -119,7 +417,6 @@ export function AIWritingHistoryView({ session }: AIWritingHistoryViewProps) {
 
   return (
     <div className="flex-1 overflow-y-auto">
-      {/* 元信息 */}
       <div className="px-4 pt-3">
         <div className="rounded-lg border bg-muted/30 px-3 py-2.5 space-y-1">
           <p className="text-xs font-semibold truncate">{session.draft_title ?? session.title}</p>
@@ -134,39 +431,15 @@ export function AIWritingHistoryView({ session }: AIWritingHistoryViewProps) {
         </div>
       </div>
 
-      {hasTranscript ? (
-        /* 完整对话时间线回显 */
+      {timelineEvents.length > 0 ? (
         <AIWritingTimeline
-          events={normalizedEvents}
-          completedInterventions={normalizedInterventions}
+          events={timelineEvents}
+          completedInterventions={completedInterventions}
           currentPause={null}
         />
       ) : (
-        /* 旧会话无时间线快照时，回退到精简阶段列表 */
-        <div className="px-4 py-3 space-y-4">
-          {interventions.length > 0 ? (
-            <div>
-              <p className="text-[11px] font-medium text-muted-foreground mb-2">写作阶段</p>
-              <div>
-                {interventions.map((rec, i) => (
-                  <InterventionTimelineItem
-                    key={i}
-                    record={rec}
-                    isLast={i === interventions.length - 1}
-                  />
-                ))}
-              </div>
-            </div>
-          ) : (
-            <div className="text-center py-4 text-xs text-muted-foreground">无阶段记录</div>
-          )}
-
-          {session.status === 'done' && (
-            <div className="flex items-center gap-2 text-xs text-green-600 dark:text-green-400">
-              <Star className="w-3.5 h-3.5" />
-              <span>写作完成</span>
-            </div>
-          )}
+        <div className="px-4 py-6 text-center text-xs text-muted-foreground">
+          暂无阶段记录
         </div>
       )}
     </div>

frontend-web/src/open-canvas/components/ai-writing/AIWritingPanel.tsx

@@ -32,6 +32,7 @@ import {
  * 已完成阶段不重来；见 runtime/runs/worker.py）。刷新页面 = 重置（不自动重连）。
  */
 const ENABLE_PAUSE_RESUME_UI = true;
+const RESUMABLE_HISTORY_STATUSES = new Set(['in_progress', 'draft_ready', 'review_ready']);
 import { countArticleWords } from '../../utils/wordCount';
 import { AIWritingForm } from './AIWritingForm';
 import { AIWritingTimeline } from './AIWritingTimeline';
@@ -80,7 +81,7 @@ export function AIWritingPanel({
 } = {}) {
   const navigate = useNavigate();
   const [searchParams, setSearchParams] = useSearchParams();
-  const { state, startWriting, submitIntervention, pauseWriting, resumeWriting, reset } = useAIWriting();
+  const { state, startWriting, submitIntervention, pauseWriting, resumeWriting, continueWriting, reset } = useAIWriting();
   const { historySession, isHistoryMode, openHistory, closeHistory } = useAIWritingHistory();
   const writingForm = useWritingFormOptional();
   const { sessions, loading: sessionsLoading, refresh, rename, remove, markBackground, clearBackground } = useAIWritingSessions();
@@ -198,6 +199,15 @@ export function AIWritingPanel({
     reset();
   }, [closeHistory, reset]);
 
+  const canRestoreHistory =
+    isHistoryMode && !!historySession && RESUMABLE_HISTORY_STATUSES.has(historySession.status);
+
+  const handleRestoreHistory = useCallback(() => {
+    if (!historySession || !RESUMABLE_HISTORY_STATUSES.has(historySession.status)) return;
+    closeHistory();
+    continueWriting(historySession.id);
+  }, [historySession, closeHistory, continueWriting]);
+
   // ── 后台挂起：把当前写作转后台，后端自动驱动到定稿（离页/刷新/切号不打断） ──
   // 与「多智能体会商」一致：点击后**立刻**回到初始页面，挂起请求 fire-and-forget；
   // 历史下拉靠乐观标记马上显示「挂起中」，不等后端确认。
@@ -307,19 +317,33 @@ export function AIWritingPanel({
       )}
       {/* 头部 */}
       <div className="flex items-center justify-between px-4 py-2.5 border-b shrink-0">
-        <span
-          className={cn(
-            'text-sm font-semibold shrink-0 min-w-0 truncate',
-            isHistoryMode && 'flex-1 mr-2',
-            !isIdle && !isHistoryMode && 'cursor-pointer hover:text-primary transition-colors',
+        <div className="flex min-w-0 flex-1 items-center gap-2">
+          {canRestoreHistory && (
+            <Button
+              variant="ghost"
+              size="sm"
+              className="h-7 px-2 text-xs gap-1 text-emerald-600 hover:text-emerald-700 hover:bg-emerald-50 dark:hover:bg-emerald-950/30"
+              onClick={handleRestoreHistory}
+              title="恢复写作：跳过已完成阶段，从未完成阶段重新开始"
+            >
+              <Play className="size-3 fill-current" />
+              恢复
+            </Button>
           )}
-          onClick={() => { if (!isIdle && !isHistoryMode && state.request) setReqDialogOpen(true); }}
-          title={isHistoryMode ? (historySession?.draft_title ?? historySession?.title) : undefined}
-        >
-          {isHistoryMode
-            ? (historySession?.draft_title ?? historySession?.title ?? '写作历史')
-            : 'AI 智能写作'}
-        </span>
+          <span
+            className={cn(
+              'text-sm font-semibold shrink-0 min-w-0 truncate',
+              isHistoryMode && 'flex-1 mr-2',
+              !isIdle && !isHistoryMode && 'cursor-pointer hover:text-primary transition-colors',
+            )}
+            onClick={() => { if (!isIdle && !isHistoryMode && state.request) setReqDialogOpen(true); }}
+            title={isHistoryMode ? (historySession?.draft_title ?? historySession?.title) : undefined}
+          >
+            {isHistoryMode
+              ? (historySession?.draft_title ?? historySession?.title ?? '写作历史')
+              : 'AI 智能写作'}
+          </span>
+        </div>
         <div className="flex items-center gap-1.5">
           {/* ⚠️ 临时调试：admin 一键清理 —— 阶段 7 删冗余时移除 */}
           <Button

frontend-web/src/open-canvas/components/ai-writing/CompletedInterventionCard.tsx

@@ -8,7 +8,6 @@ import { buildIntranetSourceUrl } from '@/core/config';
 import type { AIMaterial, CompletedIntervention } from '../../types/ai-writing';
 import { OutlineCard } from './OutlineCard';
 import { ReviewCard } from './ReviewCard';
-import { ScoreBar } from './ScoreBar';
 import { CollapseTransition } from './CollapseTransition';
 
 interface Props {
@@ -282,14 +281,8 @@ function ReviewCompleted({ record, expanded, onToggle }: { record: CompletedInte
       </button>
 
       <CollapseTransition open={expanded && !!record.reviewResult}>
-        <div className="px-2.5 pb-2.5 pt-1 space-y-1.5 border-t border-green-200/40 dark:border-green-900/20">
-          {record.reviewResult && (
-            <>
-              <ScoreBar label="事实准确性" score={record.reviewResult.factScore} />
-              <ScoreBar label="逻辑结构" score={record.reviewResult.logicScore} />
-              <ScoreBar label="语言文字" score={record.reviewResult.languageScore} />
-            </>
-          )}
+        <div className="px-2.5 pb-2.5 pt-1 border-t border-green-200/40 dark:border-green-900/20">
+          {record.reviewResult && <ReviewCard review={record.reviewResult} />}
         </div>
       </CollapseTransition>
     </div>

frontend-web/src/open-canvas/components/ai-writing/ResearchSidebar.tsx

@@ -12,7 +12,6 @@ import {
   Newspaper,
   PanelLeftClose,
   Pencil,
-  Play,
   Plus,
   RefreshCw,
   Search,
@@ -110,17 +109,12 @@ const WRITING_STATUS_PILL: Record<string, { label: string; className: string; sp
   error: { label: "出错", className: "text-rose-500" },
 };
 
-/** 可「继续未完成」的状态：有可恢复的 checkpoint（mid-stage 或停在确认点）。done/error 终态、
- * background 自有进度弹窗，都不算。 */
-const RESUMABLE_STATUSES = new Set(["in_progress", "draft_ready", "review_ready"]);
-
 /** 单条历史记录项 —— 样式参考多智能体会商的 HistoryDropdown 列表项（圆角卡片 + 状态药丸 + 操作按钮）。 */
 function WritingHistoryItem({
   session,
   isCurrent,
   onSelect,
   onShowProgress,
-  onContinue,
   onDelete,
   onRename,
 }: {
@@ -128,8 +122,6 @@ function WritingHistoryItem({
   isCurrent: boolean;
   onSelect: () => void;
   onShowProgress?: () => void;
-  /** 继续这条未完成的会话（从 checkpoint 续跑当前阶段 / 显示确认卡）。 */
-  onContinue?: () => void;
   onDelete: () => void;
   onRename: (title: string) => void;
 }) {
@@ -137,10 +129,9 @@ function WritingHistoryItem({
   const [value, setValue] = useState(session.title);
   const inputRef = useRef<HTMLInputElement>(null);
   const isBackground = session.status === "background";
-  const canContinue = !!onContinue && RESUMABLE_STATUSES.has(session.status);
-  // 行/标题主点击：未完成→继续续跑；挂起中→看进度弹窗；其余（完成/出错）→只读历史回看。
-  const primary = isBackground && onShowProgress ? onShowProgress : (canContinue ? onContinue! : onSelect);
-  const primaryTitle = isBackground ? "查看进度" : canContinue ? "继续未完成" : "打开历史";
+  // Row/title click only opens the history view; restore starts from the detail header.
+  const primary = isBackground && onShowProgress ? onShowProgress : onSelect;
+  const primaryTitle = isBackground ? "查看进度" : "打开历史";
   const pill = WRITING_STATUS_PILL[session.status] ?? { label: session.status, className: "text-slate-400" };
 
   useEffect(() => {
@@ -200,16 +191,6 @@ function WritingHistoryItem({
 
         {!renaming && (
           <div className="flex shrink-0 items-center gap-0.5">
-            {canContinue && (
-              <button
-                type="button"
-                onClick={onContinue}
-                title="继续未完成"
-                className="rounded p-1 text-emerald-500 transition hover:bg-emerald-50 hover:text-emerald-600"
-              >
-                <Play className="size-3.5 fill-current" />
-              </button>
-            )}
             <button
               type="button"
               onClick={isBackground && onShowProgress ? onShowProgress : onSelect}
@@ -258,7 +239,7 @@ export function ResearchSidebar({
 }) {
   const navigate = useNavigate();
   const { templates, refresh } = useResearchTemplates();
-  const { startWriting, continueWriting } = useAIWriting();
+  const { startWriting } = useAIWriting();
   const {
     notebooks,
     isLoading: notebooksLoading,
@@ -286,7 +267,7 @@ export function ResearchSidebar({
     rename: renameSession,
     remove: removeSession,
   } = useAIWritingSessions();
-  const { openHistory, closeHistory, historySession } = useAIWritingHistory();
+  const { openHistory, historySession } = useAIWritingHistory();
 
   // 进入/返回写作配置页时刷新一次历史（本侧栏仅在 idle 态挂载，故等同每次回到表单刷新）。
   useEffect(() => {
@@ -296,11 +277,6 @@ export function ResearchSidebar({
   const handleSelectHistory = (session: AIWritingSessionSummary) => {
     void openHistory(session);
   };
-  // 「继续未完成」：退出只读历史态（若在），把该会话设为活跃并从 checkpoint 续跑。
-  const handleContinue = (session: AIWritingSessionSummary) => {
-    closeHistory();
-    continueWriting(session.id);
-  };
   // 「挂起中」记录：交给右侧面板打开进度流程图弹窗（沿用面板已有的 window 事件解耦模式，
   // 与 ai-writing:open-session 一致），本侧栏不直接持有弹窗状态。
   const handleShowProgress = (session: AIWritingSessionSummary) => {
@@ -617,7 +593,6 @@ export function ResearchSidebar({
                   isCurrent={s.id === (historySession?.id ?? null)}
                   onSelect={() => handleSelectHistory(s)}
                   onShowProgress={() => handleShowProgress(s)}
-                  onContinue={() => handleContinue(s)}
                   onDelete={() => removeSession(s.id)}
                   onRename={(title) => renameSession(s.id, title)}
                 />

frontend-web/src/open-canvas/components/artifact/TextArtifactRenderer.tsx

@@ -40,6 +40,7 @@ interface LastAction {
   action: RewriteAction;
   tone?: RewriteTone;
   customInstruction?: string;
+  referenceText?: string;
 }
 
 export function TextArtifactRenderer({ content, isStreaming, readOnly = false, onSaveDraft }: TextArtifactRendererProps) {
@@ -137,9 +138,9 @@ export function TextArtifactRenderer({ content, isStreaming, readOnly = false, o
   }, [reset, editor]);
 
   const handleAction = useCallback(
-    (action: RewriteAction, tone?: RewriteTone, customInstruction?: string) => {
-      lastActionRef.current = { action, tone, customInstruction };
-      rewrite(action, tone, customInstruction);
+    (action: RewriteAction, tone?: RewriteTone, customInstruction?: string, referenceText?: string) => {
+      lastActionRef.current = { action, tone, customInstruction, referenceText };
+      rewrite(action, tone, customInstruction, referenceText);
       setPhase("preview");
     },
     [rewrite],
@@ -147,15 +148,15 @@ export function TextArtifactRenderer({ content, isStreaming, readOnly = false, o
 
   const handleRetry = useCallback(() => {
     if (!lastActionRef.current) return;
-    const { action, tone, customInstruction } = lastActionRef.current;
-    rewrite(action, tone, customInstruction);
+    const { action, tone, customInstruction, referenceText } = lastActionRef.current;
+    rewrite(action, tone, customInstruction, referenceText);
   }, [rewrite]);
 
   const handleFollowUp = useCallback(
     (instruction: string) => {
       if (!lastActionRef.current) return;
-      const { action, tone } = lastActionRef.current;
-      rewriteFollowUp(instruction, action, tone);
+      const { action, tone, referenceText } = lastActionRef.current;
+      rewriteFollowUp(instruction, action, tone, referenceText);
     },
     [rewriteFollowUp],
   );

frontend-web/src/open-canvas/components/artifact/WritingAiMenu.tsx

@@ -6,11 +6,13 @@ import {
   Expand,
   Shrink,
   Mic2,
+  BookCopy,
   AlertCircle,
   RefreshCw,
   ChevronRight,
   X,
   Square,
+  Send,
 } from "lucide-react";
 import { cn } from "@/lib/utils";
 import type { RewriteAction, RewriteTone } from "../../api/rewrite";
@@ -44,6 +46,7 @@ const ACTION_ROWS: {
   { action: "expand",  label: "扩写",  icon: Expand },
   { action: "shorten", label: "缩写",  icon: Shrink },
   { action: "tone",    label: "改语气", icon: Mic2 },
+  { action: "imitate", label: "仿写",  icon: BookCopy },
 ];
 
 // ── Main component ─────────────────────────────────────────────────────────────
@@ -52,7 +55,7 @@ interface WritingAiMenuProps {
   pos: MenuPos;
   status: RewriteStatus;
   error: string | null;
-  onAction: (action: RewriteAction, tone?: RewriteTone, customInstruction?: string) => void;
+  onAction: (action: RewriteAction, tone?: RewriteTone, customInstruction?: string, referenceText?: string) => void;
   onAbort: () => void;
   onRetry: () => void;
   onClose: () => void;
@@ -68,8 +71,11 @@ export function WritingAiMenu({
   onClose,
 }: WritingAiMenuProps) {
   const [toneOpen, setToneOpen] = useState(false);
+  const [imitateDialogOpen, setImitateDialogOpen] = useState(false);
+  const [referenceText, setReferenceText] = useState("");
   const [instruction, setInstruction] = useState("");
   const inputRef = useRef<HTMLInputElement>(null);
+  const imitateTextareaRef = useRef<HTMLTextAreaElement>(null);
 
   // autoFocus is unreliable when the menu opens during a mousedown event sequence;
   // explicit focus via setTimeout(0) runs after the browser finishes that sequence.
@@ -78,6 +84,13 @@ export function WritingAiMenu({
     return () => clearTimeout(id);
   }, []);
 
+  // Focus the dialog textarea when the imitate dialog opens.
+  useEffect(() => {
+    if (!imitateDialogOpen) return;
+    const id = setTimeout(() => imitateTextareaRef.current?.focus(), 0);
+    return () => clearTimeout(id);
+  }, [imitateDialogOpen]);
+
   const isLoading = status === "loading";
   const isError   = status === "error";
 
@@ -110,6 +123,13 @@ export function WritingAiMenu({
     onAction(action, tone, instruction.trim() || undefined);
   };
 
+  const fireImitate = () => {
+    const ref = referenceText.trim();
+    if (!ref) return;
+    setImitateDialogOpen(false);
+    onAction("imitate", undefined, instruction.trim() || undefined, ref);
+  };
+
   const handleInputEnter = () => {
     const trimmed = instruction.trim();
     onAction("polish", undefined, trimmed || undefined);
@@ -230,7 +250,9 @@ export function WritingAiMenu({
             <div className="p-1 space-y-0.5">
               {ACTION_ROWS.map(({ action, label, icon: Icon }) => {
                 const isTone = action === "tone";
-                const isTonesOpen = isTone && toneOpen;
+                const isImitate = action === "imitate";
+                const hasSub = isTone;
+                const isExpanded = isTone && toneOpen;
                 return (
                   <div key={action}>
                     <button
@@ -238,6 +260,9 @@ export function WritingAiMenu({
                       onClick={() => {
                         if (isTone) {
                           setToneOpen((v) => !v);
+                        } else if (isImitate) {
+                          setToneOpen(false);
+                          setImitateDialogOpen(true);
                         } else {
                           fireAction(action);
                         }
@@ -245,23 +270,23 @@ export function WritingAiMenu({
                       className={cn(
                         "flex w-full items-center gap-2 px-2.5 py-1.5 text-xs rounded-md transition-colors text-left",
                         "hover:bg-accent hover:text-accent-foreground",
-                        isTonesOpen && "bg-accent text-accent-foreground",
+                        isExpanded && "bg-accent text-accent-foreground",
                       )}
                     >
                       <Icon className="h-3.5 w-3.5 shrink-0 text-muted-foreground" />
                       <span className="flex-1">{label}</span>
-                      {isTone && (
+                      {hasSub && (
                         <ChevronRight
                           className={cn(
                             "h-3.5 w-3.5 text-muted-foreground transition-transform duration-200",
-                            isTonesOpen && "rotate-90",
+                            isExpanded && "rotate-90",
                           )}
                         />
                       )}
                     </button>
 
                     {/* Tone sub-list */}
-                    {isTonesOpen && (
+                    {isTone && toneOpen && (
                       <div className="ml-5 border-l pl-2 my-0.5 space-y-0.5">
                         {TONE_OPTIONS.map(({ value, label: toneLabel }) => (
                           <button
@@ -282,6 +307,85 @@ export function WritingAiMenu({
           </>
         )}
       </div>
+
+      {/* ── Imitate dialog：弹窗内多行输入范文，回车 / 发送即仿写 ───────────── */}
+      {imitateDialogOpen && (
+        <div className="fixed inset-0 z-[10000] flex items-center justify-center p-4">
+          <div
+            className="absolute inset-0 bg-black/40 animate-in fade-in duration-100"
+            onMouseDown={() => setImitateDialogOpen(false)}
+          />
+          <div
+            className="relative w-full max-w-md rounded-xl border bg-popover shadow-2xl animate-in fade-in zoom-in-95 duration-100 overflow-hidden"
+            onMouseDown={(e) => e.stopPropagation()}
+          >
+            {/* Header */}
+            <div className="flex items-center justify-between px-4 py-3 border-b bg-muted/30">
+              <span className="flex items-center gap-1.5 text-sm font-semibold text-foreground">
+                <BookCopy className="h-4 w-4 text-amber-500" />
+                仿写
+              </span>
+              <button
+                type="button"
+                onClick={() => setImitateDialogOpen(false)}
+                className="rounded p-0.5 hover:bg-accent text-muted-foreground hover:text-foreground transition-colors"
+              >
+                <X className="h-4 w-4" />
+              </button>
+            </div>
+
+            {/* Body */}
+            <div className="p-4 space-y-3">
+              <textarea
+                ref={imitateTextareaRef}
+                value={referenceText}
+                onChange={(e) => setReferenceText(e.target.value)}
+                onKeyDown={(e) => {
+                  // Enter 提交，Shift+Enter 换行
+                  if (e.key === "Enter" && !e.shiftKey) {
+                    e.preventDefault();
+                    fireImitate();
+                  } else if (e.key === "Escape") {
+                    e.preventDefault();
+                    setImitateDialogOpen(false);
+                  }
+                }}
+                rows={8}
+                placeholder="粘贴范文，AI 将模仿其文风、句式与语气改写所选文字…（回车提交，Shift+Enter 换行）"
+                className={cn(
+                  "w-full resize-none text-sm rounded-md px-3 py-2 outline-none transition-colors leading-relaxed",
+                  "bg-muted/50 border border-input focus:border-primary/60",
+                  "placeholder:text-muted-foreground/50",
+                )}
+              />
+            </div>
+
+            {/* Footer */}
+            <div className="flex items-center justify-end gap-2 px-4 py-3 border-t bg-muted/20">
+              <button
+                type="button"
+                onClick={() => setImitateDialogOpen(false)}
+                className="px-3 py-1.5 text-xs font-medium rounded-md border border-input hover:bg-accent hover:text-accent-foreground transition-colors"
+              >
+                取消
+              </button>
+              <button
+                type="button"
+                onClick={fireImitate}
+                disabled={!referenceText.trim()}
+                className={cn(
+                  "flex items-center justify-center gap-1.5 px-4 py-1.5 text-xs font-medium rounded-md transition-colors",
+                  "bg-primary text-primary-foreground hover:bg-primary/90",
+                  "disabled:opacity-40 disabled:cursor-not-allowed",
+                )}
+              >
+                <Send className="h-3.5 w-3.5" />
+                发送
+              </button>
+            </div>
+          </div>
+        </div>
+      )}
     </>,
     document.body,
   );

frontend-web/src/open-canvas/components/artifact/WritingRewritePreview.tsx

@@ -14,6 +14,7 @@ const ACTION_LABEL: Record<RewriteAction, string> = {
   expand:  "扩写",
   shorten: "缩写",
   tone:    "改语气",
+  imitate: "仿写",
 };
 
 const TONE_LABEL: Record<RewriteTone, string> = {

frontend-web/src/open-canvas/contexts/AIWritingContext.tsx

@@ -26,6 +26,8 @@ import { saveAIWritingTranscript } from '../api/ai-writing-sessions';
 import { countArticleWords } from '../utils/wordCount';
 import {
   INITIAL_STATE,
+  buildAwaitUserEventFromCheckpointPause,
+  buildCompletedInterventionFromCheckpointPause,
   buildRehydrateSnapshot,
   customToProgressEvent,
   interruptToEvent,
@@ -96,14 +98,104 @@ type AIWritingStreamApi = Pick<
   'submit' | 'stop' | 'interrupt'
 >;
 
+function asRecord(value: unknown): Record<string, unknown> {
+  return value && typeof value === 'object' ? value as Record<string, unknown> : {};
+}
+
+function pausePointFromStatus(status: string): string | null {
+  return status.startsWith('awaiting_') ? status.slice('awaiting_'.length) : null;
+}
+
+function defaultResumePayloadForPause(
+  pausePoint: string | null | undefined,
+  interruptValue: unknown,
+  values: AIWritingValues,
+): Record<string, unknown> {
+  const intr = asRecord(interruptValue);
+  const valueRecord = asRecord(values);
+
+  if (pausePoint === 'material_confirm') {
+    return { action: 'confirm' };
+  }
+
+  if (pausePoint === 'outline_confirm') {
+    return { action: 'confirm' };
+  }
+
+  if (pausePoint === 'section_help') {
+    const blocked = Array.isArray(intr.blocked_sections)
+      ? intr.blocked_sections
+      : (Array.isArray(valueRecord.blocked_sections) ? valueRecord.blocked_sections : []);
+    const decisions = blocked
+      .map((b) => asRecord(b))
+      .map((b) => String(b.section_title ?? b.sectionTitle ?? ''))
+      .filter(Boolean)
+      .map((sectionTitle) => ({ sectionTitle, decision: 'loose' }));
+    return { action: 'section_help', sectionDecisions: decisions };
+  }
+
+  if (pausePoint === 'draft_confirm') {
+    const review = asRecord(valueRecord.review_result);
+    const hasReview = Object.keys(review).length > 0;
+    const revisionCount = Number(valueRecord.revision_count ?? 0);
+    const maxRevisions = Number(valueRecord.max_revisions ?? 3);
+    if (!hasReview) return { action: 'to_editor' };
+    if (review.verdict === 'pass') return { action: 'finalize' };
+    if (revisionCount >= maxRevisions) return { action: 'finalize' };
+    return { action: 'to_editor' };
+  }
+
+  if (pausePoint === 'review_confirm') {
+    return { action: 'accept_review' };
+  }
+
+  return { action: 'confirm' };
+}
+
+function nextStatusAfterResumePayload(
+  pausePoint: string | null | undefined,
+  payload: Record<string, unknown>,
+): WritingStatus {
+  const action = String(payload.action ?? 'confirm');
+
+  if (pausePoint === 'material_confirm') {
+    return (action === 're_search' || action === 'enable_skill_search')
+      ? 'researching'
+      : 'writing_outline';
+  }
+
+  if (pausePoint === 'outline_confirm') {
+    return action === 're_outline' ? 'writing_outline' : 'writing_draft';
+  }
+
+  if (pausePoint === 'draft_confirm') {
+    if (action === 'finalize') return 'done';
+    if (action === 'to_editor') return 'reviewing';
+    return 'revising';
+  }
+
+  if (pausePoint === 'review_confirm') {
+    return action === 'force_finalize' ? 'done' : 'revising';
+  }
+
+  if (pausePoint === 'section_help') {
+    const decisions = Array.isArray(payload.sectionDecisions) ? payload.sectionDecisions : [];
+    return decisions.some((d) => asRecord(d).decision === 'supplement')
+      ? 'researching'
+      : 'writing_draft';
+  }
+
+  return 'researching';
+}
+
 export type AIWritingApi = {
   state: AIWritingState;
   startWriting: (request: AIWritingRequest) => Promise<void>;
   submitIntervention: (payload: UserInterventionPayload) => Promise<void>;
   pauseWriting: () => void;
   resumeWriting: () => void;
-  /** 继续一条未完成的历史会话：加载其 checkpoint 重建已完成阶段，并从断点续跑当前阶段
-   * （停在确认点则显示确认卡）。多 worker 安全（基于共享 checkpoint，同 4 个确认卡机制）。 */
+  /** Restore an unfinished history session: rehydrate completed stages from checkpoint,
+   * auto-advance completed awaiting_* stages, and re-run the active unfinished stage. */
   continueWriting: (sessionId: string) => void;
   reset: () => void;
 };
@@ -144,7 +236,7 @@ const AIWritingStreamHost = memo(function AIWritingStreamHost({
   sessionIdRef: RefObject<string | null>;
   streamRef: MutableRefObject<AIWritingStreamApi | null>;
   seenInterruptRef: MutableRefObject<string | null>;
-  /** 非空 = 本次要"继续未完成的历史会话"，等 checkpoint values 到位后 rehydrate + 驱动续跑。 */
+  /** Non-empty while an explicit history restore is waiting for checkpoint values. */
   continueTargetRef: MutableRefObject<string | null>;
 }) {
   const eventBatcherRef = useRef<ReturnType<typeof createProgressEventBatcher> | null>(null);
@@ -240,16 +332,18 @@ const AIWritingStreamHost = memo(function AIWritingStreamHost({
     }
     const key = intr.id ?? JSON.stringify(intr.value);
     if (seenInterruptRef.current === key) return;
+    if (continueTargetRef.current && continueTargetRef.current === threadId) {
+      seenInterruptRef.current = key;
+      return;
+    }
     seenInterruptRef.current = key;
     const ev = interruptToEvent(intr.value, sessionIdRef.current ?? '');
     if (ev) emitProgressEvent(ev);
-  }, [stream.interrupt, emitProgressEvent, seenInterruptRef, sessionIdRef]);
+  }, [stream.interrupt, emitProgressEvent, seenInterruptRef, sessionIdRef, continueTargetRef, threadId]);
 
-  // ── 继续未完成的历史会话：等该 thread 的 checkpoint values 到位后 rehydrate + 驱动续跑 ──
-  // 仅在显式点「继续」时触发（continueTargetRef 由 continueWriting 置位），非自动重连。
-  // 每个 thread 只做一次：rehydrate 用 checkpoint 全量重建已完成阶段（素材/大纲/草稿/审核/时间线），
-  // 然后——停在确认点(awaiting_*)就显示确认卡等用户决策；停在某活跃阶段中途就发空 command:{}
-  // 让后端从 checkpoint 续跑该阶段（worker 空 command → astream(None)）。
+  // History restore is explicit: after the history detail "restore" button is clicked,
+  // rehydrate from checkpoint, auto-advance completed awaiting_* stages with default
+  // decisions, and re-run the currently active unfinished stage with an empty command.
   const rehydratedForRef = useRef<string | null>(null);
   useEffect(() => {
     const target = continueTargetRef.current;
@@ -262,21 +356,35 @@ const AIWritingStreamHost = memo(function AIWritingStreamHost({
     const snapshot = buildRehydrateSnapshot(values, threadId);
     dispatchRef.current?.({ type: 'rehydrate', snapshot });
     const status = String(snapshot.status ?? '');
-    if (status.startsWith('awaiting_')) {
-      // 停在确认点：补一条 await_user 设好 currentPause（与下方既有 interrupt effect 二者其一生效，
-      // 对齐 seenInterruptRef 防重复派发）；不自动驱动，等用户在确认卡上操作。
-      const intr = stream.interrupt;
-      if (intr) {
-        const ev = interruptToEvent(intr.value, threadId);
-        if (ev) dispatchRef.current?.({ type: 'handle', event: ev });
-        seenInterruptRef.current = intr.id ?? JSON.stringify(intr.value);
-      }
-    } else {
-      // 停在某活跃阶段中途：从 checkpoint 续跑该阶段。
+    const checkpointModelName = typeof values.model_name === 'string' ? values.model_name : '';
+    const submitFromCheckpoint = (command: Record<string, unknown>) => {
       void streamRef.current?.submit(undefined, {
-        command: {},
+        command,
         streamMode: [...WRITING_STREAM_MODE],
+        ...(checkpointModelName ? { config: { configurable: { model_name: checkpointModelName } } } : {}),
       }).catch(() => { /* 流式错误由 onError 反映 */ });
+    };
+    if (status.startsWith('awaiting_')) {
+      const intr = stream.interrupt;
+      if (intr) seenInterruptRef.current = intr.id ?? JSON.stringify(intr.value);
+      const pausePoint = (asRecord(intr?.value).pause_point as string | undefined) ?? pausePointFromStatus(status);
+      const resumePayload = defaultResumePayloadForPause(pausePoint, intr?.value, values);
+      const pauseEvent = buildAwaitUserEventFromCheckpointPause(values, threadId, pausePoint, intr?.value);
+      if (pauseEvent) {
+        dispatchRef.current?.({ type: 'handle', event: pauseEvent });
+      }
+      const record = buildCompletedInterventionFromCheckpointPause(values, pausePoint, resumePayload.action);
+      if (record) {
+        dispatchRef.current?.({
+          type: 'intervention_submitted',
+          record,
+          nextStatus: nextStatusAfterResumePayload(pausePoint, resumePayload),
+          pendingRevisionContext: null,
+        });
+      }
+      submitFromCheckpoint({ resume: resumePayload });
+    } else {
+      submitFromCheckpoint({});
     }
   }, [stream.values, stream.interrupt, threadId, continueTargetRef, dispatchRef, seenInterruptRef, streamRef]);
 
@@ -294,7 +402,7 @@ export function AIWritingProvider({ children }: { children: ReactNode }) {
   sessionIdRef.current = state.sessionId;
   const streamRef = useRef<AIWritingStreamApi | null>(null);
   const seenInterruptRef = useRef<string | null>(null);
-  // 「继续未完成历史」目标：continueWriting 置位，host 在该 thread 的 checkpoint 到位后 rehydrate。
+  // Explicit history restore target; the host rehydrates once this thread's checkpoint arrives.
   const continueTargetRef = useRef<string | null>(null);
 
   // 刷新页面 = 重置：不持久化、不自动重连。provider 重新挂载即回到 idle 初始态
@@ -514,8 +622,8 @@ export function AIWritingProvider({ children }: { children: ReactNode }) {
     })();
   }, [state.request]);
 
-  // 继续一条未完成的历史会话：把该会话设为活跃 sessionId → useStream 加载其 checkpoint →
-  // host 的 rehydrate effect 重建已完成阶段并驱动续跑（停在确认点则显示确认卡）。
+  // Restore an unfinished history session: make it active, load its checkpoint, then let
+  // the host skip completed awaiting_* stages or re-run the current unfinished stage.
   // 与「刷新=重置」不冲突：这是显式点击触发，不是自动重连。
   const continueWriting = useCallback((sessionId: string) => {
     if (!sessionId) return;

frontend-web/src/open-canvas/hooks/useAIWritingStream.ts

@@ -85,7 +85,7 @@ export type Action =
   | { type: 'intervention_submitted'; record: CompletedIntervention; nextStatus: WritingStatus; pendingRevisionContext: AIWritingState['pendingRevisionContext'] }
   | { type: 'pause' }
   | { type: 'resume_ui' }
-  // 「继续未完成的历史记录」：用 graph checkpoint 的 values 快照整体重建状态（见 buildRehydrateSnapshot）。
+  // Restore history: rebuild state from the graph checkpoint values snapshot.
   | { type: 'rehydrate'; snapshot: Partial<AIWritingState> }
   // 手动「继续」从检查点重跑当前阶段前，清空该阶段的流式缓冲（避免与重跑的新输出粘连）。
   | { type: 'clear_streaming' }
@@ -137,9 +137,7 @@ export function reducer(prev: AIWritingState, action: Action): AIWritingState {
       return { ...prev, isPaused: false };
 
     case 'rehydrate':
-      // 继续未完成历史：以 INITIAL_STATE 为底叠加 checkpoint 快照（materials/outline/draft/
-      // review/status/progressEvents/sessionId 等）。currentPause 由 stream.interrupt 既有 effect
-      // 或 host 在 rehydrate 时补设。
+      // Restore history: layer checkpoint snapshot over INITIAL_STATE.
       return { ...INITIAL_STATE, ...action.snapshot, isPaused: false };
 
     case 'clear_streaming':
@@ -522,6 +520,163 @@ export function normalizeReviewResult(r: unknown): ReviewResult | null {
   };
 }
 
+const REHYDRATE_PAUSE_MESSAGES: Record<CompletedIntervention['pausePoint'], string> = {
+  material_confirm: '素材收集专家已完成素材搜集，请确认素材后继续。',
+  outline_confirm: '作家已完成大纲规划，请确认或编辑大纲后继续。',
+  draft_confirm: '草稿已完成，请确认或给出修改意见。',
+  review_confirm: '编辑认为文章需要修改，请决定下一步操作。',
+  section_help: '部分章节缺少足够素材支撑写作，请决定如何处理。',
+};
+
+function normalizePausePoint(value: unknown): CompletedIntervention['pausePoint'] | null {
+  const pausePoint = String(value ?? '');
+  switch (pausePoint) {
+    case 'material_confirm':
+    case 'outline_confirm':
+    case 'draft_confirm':
+    case 'review_confirm':
+    case 'section_help':
+      return pausePoint;
+    default:
+      return null;
+  }
+}
+
+function classifyResumedMessage(message: string): Pick<CompletedIntervention, 'pausePoint' | 'action'> | null {
+  const m = message || '';
+  if (m.includes('确认素材')) return { pausePoint: 'material_confirm', action: 'confirm' };
+  if (m.includes('匹配技能检索') || m.includes('重新检索') || m.includes('重新搜索')) {
+    return { pausePoint: 'material_confirm', action: 're_search' };
+  }
+  if (m.includes('采用你提供的大纲')) return { pausePoint: 'material_confirm', action: 'confirm' };
+  if (m.includes('确认大纲')) return { pausePoint: 'outline_confirm', action: 'confirm' };
+  if (m.includes('重新规划大纲')) return { pausePoint: 'outline_confirm', action: 're_outline' };
+  if (m.includes('提交编辑审核')) return { pausePoint: 'draft_confirm', action: 'to_editor' };
+  if (m.includes('强制定稿')) return { pausePoint: 'review_confirm', action: 'force_finalize' };
+  if (m.includes('确认定稿')) return { pausePoint: 'draft_confirm', action: 'finalize' };
+  if (m.includes('按用户意见重写')) return { pausePoint: 'draft_confirm', action: 'user_revise' };
+  if (m.includes('按编辑意见重写')) return { pausePoint: 'review_confirm', action: 'accept_review' };
+  if (m.includes('补充检索素材')) return { pausePoint: 'section_help', action: 'supplement' };
+  if (m.includes('继续写作') || m.includes('按你的选择继续写作')) {
+    return { pausePoint: 'section_help', action: 'loose' };
+  }
+  return null;
+}
+
+function materialsFromValues(values: AIWritingValues): AIMaterial[] {
+  const pkg = values.material_package && typeof values.material_package === 'object'
+    ? values.material_package as Record<string, unknown>
+    : null;
+  return pkg && Array.isArray(pkg.materials)
+    ? (pkg.materials as Record<string, unknown>[]).map(normalizeMaterial)
+    : [];
+}
+
+function draftFromValues(values: AIWritingValues): Record<string, unknown> | null {
+  return values.current_draft && typeof values.current_draft === 'object'
+    ? values.current_draft as Record<string, unknown>
+    : null;
+}
+
+export function buildCompletedInterventionFromCheckpointPause(
+  values: AIWritingValues,
+  pausePointValue: unknown,
+  actionValue: unknown,
+): CompletedIntervention | null {
+  const pausePoint = normalizePausePoint(pausePointValue);
+  if (!pausePoint) return null;
+
+  const action = String(actionValue || 'confirm');
+  const record: CompletedIntervention = { pausePoint, action };
+
+  if (pausePoint === 'material_confirm') {
+    record.materials = materialsFromValues(values);
+  } else if (pausePoint === 'outline_confirm') {
+    record.outline = normalizeOutline(values.current_outline) ?? undefined;
+  } else if (pausePoint === 'draft_confirm') {
+    const draft = draftFromValues(values);
+    record.draftTitle = String(draft?.title ?? '');
+    const wordCount = Number(draft?.word_count ?? draft?.wordCount ?? 0);
+    record.draftWordCount = wordCount > 0
+      ? wordCount
+      : countArticleWords(String(draft?.full_markdown ?? draft?.fullMarkdown ?? ''));
+    record.reviewResult = normalizeReviewResult(values.review_result) ?? undefined;
+  } else if (pausePoint === 'review_confirm') {
+    record.reviewResult = normalizeReviewResult(values.review_result) ?? undefined;
+  }
+
+  return record;
+}
+
+export function buildAwaitUserEventFromCheckpointPause(
+  values: AIWritingValues,
+  sessionId: string,
+  pausePointValue: unknown,
+  interruptValue?: unknown,
+): ProgressEvent | null {
+  const pausePoint = normalizePausePoint(pausePointValue);
+  if (!pausePoint) return null;
+
+  const intr = interruptValue && typeof interruptValue === 'object'
+    ? interruptValue as Record<string, unknown>
+    : {};
+  const draft = draftFromValues(values);
+  const event: ProgressEvent = {
+    type: 'await_user',
+    sessionId,
+    message: String(intr.message ?? REHYDRATE_PAUSE_MESSAGES[pausePoint]),
+    pausePoint,
+  };
+
+  if (pausePoint === 'material_confirm') {
+    event.materials = Array.isArray(intr.materials)
+      ? (intr.materials as Record<string, unknown>[]).map(normalizeMaterial)
+      : materialsFromValues(values);
+  } else if (pausePoint === 'outline_confirm') {
+    event.outline = normalizeOutline(intr.outline ?? values.current_outline) ?? undefined;
+  } else if (pausePoint === 'draft_confirm') {
+    event.draftTitle = String(intr.draft_title ?? draft?.title ?? '');
+    event.revisionCount = Number(intr.revision_count ?? draft?.revision_count ?? draft?.revisionCount ?? 0);
+    event.reviewResult = normalizeReviewResult(intr.review_result ?? values.review_result) ?? undefined;
+  } else if (pausePoint === 'review_confirm') {
+    event.reviewResult = normalizeReviewResult(intr.review_result ?? values.review_result) ?? undefined;
+  } else if (pausePoint === 'section_help' && Array.isArray(intr.blocked_sections)) {
+    event.blockedSections = (intr.blocked_sections as Record<string, unknown>[]).map(normalizeBlockedSection);
+  }
+
+  return event;
+}
+
+function buildRehydrateTimeline(values: AIWritingValues, sessionId: string): {
+  progressEvents: ProgressEvent[];
+  completedInterventions: CompletedIntervention[];
+} {
+  const rawEvents = Array.isArray(values.progress_events)
+    ? (values.progress_events as Record<string, unknown>[]).map((e) => normalizeProgressDict(e, sessionId))
+    : [];
+  const progressEvents: ProgressEvent[] = [];
+  const completedInterventions: CompletedIntervention[] = [];
+
+  for (const event of rawEvents) {
+    if (event.type === 'resumed') {
+      const classified = classifyResumedMessage(event.message);
+      if (classified) {
+        const pauseEvent = buildAwaitUserEventFromCheckpointPause(values, sessionId, classified.pausePoint);
+        const record = buildCompletedInterventionFromCheckpointPause(
+          values,
+          classified.pausePoint,
+          classified.action,
+        );
+        if (pauseEvent) progressEvents.push(pauseEvent);
+        if (record) completedInterventions.push(record);
+      }
+    }
+    progressEvents.push(event);
+  }
+
+  return { progressEvents, completedInterventions };
+}
+
 function normalizeBlockedSection(b: Record<string, unknown>): BlockedSection {
   return {
     sectionTitle: String(b.section_title ?? b.sectionTitle ?? ''),
@@ -583,7 +738,7 @@ export function normalizeProgressDict(parsed: Record<string, unknown>, sessionId
   return out as unknown as ProgressEvent;
 }
 
-/** 继续未完成历史：把 graph checkpoint 的 values 快照重建成前端状态快照（用于 ``rehydrate``）。
+/** Restore history: rebuild a frontend state snapshot from graph checkpoint values.
  *
  * ``status`` 后端与前端共用同一套字面量（state.py WritingStatus ↔ types/ai-writing.ts），可直接
  * 透传；timeline 由累积的 ``progress_events``（operator.add 全量）重放，素材/大纲/草稿/审核读各自
@@ -597,9 +752,7 @@ export function buildRehydrateSnapshot(values: AIWritingValues, sessionId: strin
     ? ((pkg.skill_search_steps ?? pkg.skillSearchSteps) as Record<string, unknown>[]).map(normalizeSkillStep) : [];
   const draft = (values.current_draft && typeof values.current_draft === 'object')
     ? (values.current_draft as Record<string, unknown>) : null;
-  const progressEvents = Array.isArray(values.progress_events)
-    ? (values.progress_events as Record<string, unknown>[]).map((e) => normalizeProgressDict(e, sessionId))
-    : [];
+  const { progressEvents, completedInterventions } = buildRehydrateTimeline(values, sessionId);
 
   return {
     sessionId,
@@ -612,6 +765,7 @@ export function buildRehydrateSnapshot(values: AIWritingValues, sessionId: strin
     revisionCount: Number(draft?.revision_count ?? draft?.revisionCount ?? 0),
     reviewResult: normalizeReviewResult(values.review_result),
     progressEvents,
+    completedInterventions,
   };
 }
 
@@ -786,7 +940,11 @@ export type AIWritingValues = {
   add_references?: boolean;
   /** 不收集素材，直接用通用知识写作（researcher 节点据此短路跳过检索）。 */
   skip_research?: boolean;
+  model_name?: string;
   status?: string;
+  revision_count?: number;
+  max_revisions?: number;
+  blocked_sections?: unknown[];
   material_package?: unknown;
   current_outline?: unknown;
   current_draft?: unknown;

frontend-web/src/open-canvas/hooks/useWritingRewrite.ts

@@ -121,7 +121,7 @@ export function useWritingRewrite(editor: Editor | null) {
   );
 
   const rewrite = useCallback(
-    async (action: RewriteAction, tone?: RewriteTone, customInstruction?: string) => {
+    async (action: RewriteAction, tone?: RewriteTone, customInstruction?: string, referenceText?: string) => {
       if (!writingSelection || !editor) return;
 
       abortRef.current?.abort();
@@ -143,6 +143,7 @@ export function useWritingRewrite(editor: Editor | null) {
           after: docText.substring(to, Math.min(docSize, to + 400)),
         },
         customInstruction: customInstruction || undefined,
+        referenceText: referenceText || undefined,
       };
 
       setStatus("loading");
@@ -156,7 +157,7 @@ export function useWritingRewrite(editor: Editor | null) {
   );
 
   const rewriteFollowUp = useCallback(
-    async (instruction: string, action: RewriteAction, tone?: RewriteTone) => {
+    async (instruction: string, action: RewriteAction, tone?: RewriteTone, referenceText?: string) => {
       if (!writingSelection || !editor) return;
       const prevResult = result;
       if (!prevResult) return;
@@ -179,6 +180,8 @@ export function useWritingRewrite(editor: Editor | null) {
           before: docText.substring(Math.max(0, from - 400), from),
           after: docText.substring(to, Math.min(docSize, to + 400)),
         },
+        customInstruction: undefined,
+        referenceText: referenceText || undefined,
         followUpInstruction: instruction,
         previousResult: prevResult,
       };

frontend-web/src/open-canvas/pages/AIWritingPage.tsx

@@ -81,11 +81,26 @@
  *         -d '{"retention_days": 0}'
  * ──────────────────────────────────────────────────────────────────────────
  */
-import { useRef, useState } from 'react';
-import { ArrowLeft, History, PanelLeftOpen, PanelRightOpen } from 'lucide-react';
+import { useEffect, useMemo, useRef, useState } from 'react';
+import {
+  ArrowLeft,
+  History,
+  Loader2,
+  PanelLeftClose,
+  PanelLeftOpen,
+  PanelRightOpen,
+} from 'lucide-react';
 import { TooltipProvider } from '@/components/ui/tooltip';
 import { cn } from '@/lib/utils';
 import type { GroupImperativeHandle } from 'react-resizable-panels';
+import {
+  Navigate,
+  Route,
+  Routes,
+  useLocation,
+  useNavigate,
+  useParams,
+} from 'react-router-dom';
 
 import { CanvasThreadProvider } from '../contexts/CanvasThreadContext';
 import { CanvasGraphProvider } from '../contexts/CanvasGraphContext';
@@ -96,7 +111,15 @@ import { WritingSetupChat } from '../components/ai-writing/WritingSetupChat';
 import { ResearchSidebar } from '../components/ai-writing/ResearchSidebar';
 import StudioNotebookDetailPage from '@/pages/StudioNotebookDetailPage';
 import StudioNotebooksPage from '@/pages/StudioNotebooksPage';
+import AgentChatPage from '@/pages/AgentChatPage';
 import { ChatRuntime } from '@/pages/WorkspaceRoutes';
+import {
+  AgentModuleSidebar,
+  useAgentModuleSidebarData,
+} from '@/components/workspace/agents/agent-module-sidebar';
+import { AgentModuleSettingsDialog } from '@/components/workspace/agents/agent-module-settings-dialog';
+import { getStoredAuth } from '@/core/auth';
+import { RouteBaseProvider } from '@/core/route-base';
 
 /** 右侧内嵌视图：笔记本详情 / 所有空间列表 / null（写作） */
 type RightView = { kind: 'notebook'; id: number } | { kind: 'allSpaces' } | null;
@@ -111,11 +134,83 @@ import {
 
 // Panel IDs used as keys in the v4 Layout map
 const WRITING_ID = 'aw-writing';
-const DRAFT_ID   = 'aw-draft';
+const DRAFT_ID = 'aw-draft';
+const AI_WRITING_AGENT_MODULE_KEY = 'ai-writing';
+const AI_WRITING_AGENT_MODULE_TITLE = 'AI 写作智能体';
 
 // Match the original canvas page proportions (chat=35, artifact=65)
 const DEFAULT_LAYOUT = { [WRITING_ID]: 35, [DRAFT_ID]: 65 };
 
+function useAIWritingRouteBase() {
+  const { pathname } = useLocation();
+  return useMemo(() => {
+    const marker = '/ai-writing';
+    const index = pathname.indexOf(marker);
+    return index >= 0
+      ? pathname.slice(0, index + marker.length)
+      : '/page/workspace/ai-writing';
+  }, [pathname]);
+}
+
+function useAIWritingAgentRouteState(base: string) {
+  const { pathname } = useLocation();
+  return useMemo(() => {
+    const prefix = `${base}/agents/`;
+    if (!pathname.startsWith(prefix)) {
+      return { active: false, agentId: undefined, threadId: undefined };
+    }
+    const parts = pathname.slice(prefix.length).split('/');
+    return {
+      active: true,
+      agentId: parts[0] ? decodeURIComponent(parts[0]) : undefined,
+      threadId: parts[2] ? decodeURIComponent(parts[2]) : undefined,
+    };
+  }, [base, pathname]);
+}
+
+function AIWritingAgentDefaultRedirect() {
+  const { groups, isLoading } = useAgentModuleSidebarData(AI_WRITING_AGENT_MODULE_KEY);
+  const firstAgent = groups.flatMap((group) => group.agents)[0];
+
+  if (isLoading) {
+    return (
+      <div className="flex size-full items-center justify-center">
+        <Loader2 className="size-5 animate-spin text-muted-foreground" />
+      </div>
+    );
+  }
+
+  if (!firstAgent) {
+    return (
+      <div className="flex size-full items-center justify-center px-6 text-center text-sm text-muted-foreground">
+        暂无可用智能体，请先在模块设置中配置或创建智能体。
+      </div>
+    );
+  }
+
+  return <Navigate to={`agents/${firstAgent.id}/chats/new`} replace />;
+}
+
+function AIWritingAgentChatRoute() {
+  const { agent_id } = useParams<{ agent_id: string }>();
+  return (
+    <ChatRuntime>
+      <AgentChatPage key={agent_id} />
+    </ChatRuntime>
+  );
+}
+
+function AIWritingAgentRoutes({ base }: { base: string }) {
+  return (
+    <RouteBaseProvider value={base}>
+      <Routes>
+        <Route index element={<AIWritingAgentDefaultRedirect />} />
+        <Route path="agents/:agent_id/chats/:thread_id" element={<AIWritingAgentChatRoute />} />
+      </Routes>
+    </RouteBaseProvider>
+  );
+}
+
 /**
  * 写作配置表单面板（写作助手回填的目标），抽出复用：idle 时在右栏，开始写作后在左栏。
  */
@@ -230,6 +325,11 @@ function AIWritingLayout({ hideAdvancedFields, initialNotebookId, initialDocumen
 function AIWritingBody({ hideAdvancedFields, initialNotebookId, initialDocumentIds, studioToken }: { hideAdvancedFields: boolean } & NotebookProps) {
   const { state } = useAIWriting();
   const { isHistoryMode } = useAIWritingHistory();
+  const location = useLocation();
+  const navigate = useNavigate();
+  const routeBase = useAIWritingRouteBase();
+  const agentRoute = useAIWritingAgentRouteState(routeBase);
+  const isAdmin = getStoredAuth()?.system_role === 'admin';
 
   // 需求 0616 #5：左栏点「笔记本 / 所有空间」→ 在右侧内嵌打开对应页，替换右侧内容
   // （写作布局不卸载，仅 display:none 隐藏，避免 WritingSetupChat 重挂丢线程）。
@@ -239,18 +339,38 @@ function AIWritingBody({ hideAdvancedFields, initialNotebookId, initialDocumentI
 
   // 侧栏「收起」态：由页面承载，ResearchSidebar 顶部的收起按钮触发，收起后显示一条细窄展开条。
   const [sidebarCollapsed, setSidebarCollapsed] = useState(false);
+  const [sidebarTab, setSidebarTab] = useState<'research' | 'agents'>('agents');
+  const [settingsOpen, setSettingsOpen] = useState(false);
+
+  useEffect(() => {
+    if (agentRoute.active) {
+      setSidebarTab('agents');
+    }
+  }, [agentRoute.active]);
+
+  const agentsActive = sidebarTab === 'agents';
 
   // 研究模板侧栏在「写作配置(idle)」与「历史回看」两态都展示（点历史记录后保留侧栏、
   // 历史内容显示到右侧区域）；写作进行中收起；嵌入态(studioToken)始终不展示。
-  const showSidebar = !studioToken && (state.status === 'idle' || isHistoryMode);
+  const showSidebar =
+    !studioToken && (state.status === 'idle' || isHistoryMode || agentsActive);
 
   return (
     <div className="flex-1 min-h-0 overflow-hidden flex">
-      {/* 课题研究左栏（研究模板 + 笔记本 + 历史记录）。支持收起为细窄展开条。
-          写作配置(idle) 与 历史回看 两态都显示；写作进行中整体收起。 */}
-      {showSidebar &&
-        (sidebarCollapsed ? (
-          <div className="flex h-full w-11 shrink-0 flex-col items-center gap-2 border-r border-slate-100 bg-white py-3">
+      {/* 左栏：课题研究 / 智能体。课题研究支持收起为细窄展开条。 */}
+      {showSidebar && (
+        <div
+          className={cn(
+            'relative h-full shrink-0 overflow-hidden border-r border-slate-100 bg-white text-slate-700 shadow-[1px_0_18px_rgba(15,23,42,0.03)] transition-[width] duration-300 ease-in-out',
+            sidebarCollapsed ? 'w-11' : 'w-[320px]',
+          )}
+        >
+          <div
+            className={cn(
+              'absolute inset-0 flex flex-col items-center gap-2 py-3 transition-opacity duration-200 ease-out',
+              sidebarCollapsed ? 'opacity-100' : 'pointer-events-none opacity-0',
+            )}
+          >
             <button
               type="button"
               onClick={() => setSidebarCollapsed(false)}
@@ -262,21 +382,86 @@ function AIWritingBody({ hideAdvancedFields, initialNotebookId, initialDocumentI
             </button>
             <History className="size-4 text-slate-300" />
           </div>
-        ) : (
-          <ResearchSidebar
-            viewingNotebookId={viewingNotebookId}
-            onOpenNotebook={(id) => setRightView({ kind: 'notebook', id })}
-            onOpenAllSpaces={() => setRightView({ kind: 'allSpaces' })}
-            onCollapse={() => setSidebarCollapsed(true)}
-          />
-        ))}
+          <aside
+            className={cn(
+              'absolute inset-y-0 left-0 flex h-full w-[320px] flex-col overflow-hidden transition-all duration-300 ease-in-out',
+              sidebarCollapsed ? 'pointer-events-none -translate-x-4 opacity-0' : 'translate-x-0 opacity-100',
+            )}
+          >
+            <div className="flex shrink-0 items-center gap-2 border-b border-slate-100 px-3 py-2">
+              <div className="grid flex-1 grid-cols-2 rounded-lg bg-slate-100 p-1">
+                <button
+                  type="button"
+                  onClick={() => {
+                    setSidebarTab('agents');
+                    setRightView(null);
+                    if (!agentRoute.active) navigate(routeBase);
+                  }}
+                  className={cn(
+                    'rounded-md px-2 py-1.5 text-xs font-semibold transition-colors',
+                    sidebarTab === 'agents'
+                      ? 'bg-white text-slate-900 shadow-sm'
+                      : 'text-slate-500 hover:text-slate-800',
+                  )}
+                >
+                  课题研究
+                </button>
+                <button
+                  type="button"
+                  onClick={() => {
+                    setSidebarTab('research');
+                    setRightView(null);
+                    if (location.pathname !== routeBase) navigate(routeBase);
+                  }}
+                  className={cn(
+                    'rounded-md px-2 py-1.5 text-xs font-semibold transition-colors',
+                    sidebarTab === 'research'
+                      ? 'bg-white text-slate-900 shadow-sm'
+                      : 'text-slate-500 hover:text-slate-800',
+                  )}
+                >
+                  ai写作
+                </button>
+              </div>
+              <button
+                type="button"
+                onClick={() => setSidebarCollapsed(true)}
+                title="收起侧栏"
+                aria-label="收起侧栏"
+                className="rounded-md p-1 text-slate-400 transition-colors hover:bg-slate-50 hover:text-slate-700"
+              >
+                <PanelLeftClose className="size-4" />
+              </button>
+            </div>
+            <div className="min-h-0 flex-1 overflow-hidden">
+              {sidebarTab === 'research' ? (
+                <ResearchSidebar
+                  viewingNotebookId={viewingNotebookId}
+                  onOpenNotebook={(id) => setRightView({ kind: 'notebook', id })}
+                  onOpenAllSpaces={() => setRightView({ kind: 'allSpaces' })}
+                />
+              ) : (
+                <AgentModuleSidebar
+                  moduleKey={AI_WRITING_AGENT_MODULE_KEY}
+                  activeAgentId={agentRoute.agentId}
+                  activeThreadId={agentRoute.threadId}
+                  routeBase={routeBase}
+                  headerTitle={AI_WRITING_AGENT_MODULE_TITLE}
+                  className="w-full border-r-0"
+                  onOpenSettings={isAdmin ? () => setSettingsOpen(true) : undefined}
+                />
+              )}
+            </div>
+          </aside>
+        </div>
+      )}
       {/* 右侧：写作布局常驻（仅 display:none 隐藏，避免 WritingSetupChat 重挂丢线程），
           查看笔记本 / 所有空间时在其上叠加内嵌页。 */}
       <div className="relative flex-1 min-h-0 overflow-hidden">
-        <div className={cn('absolute inset-0', overlayActive && 'hidden')}>
+        <div className={cn('absolute inset-0', (overlayActive || agentsActive) && 'hidden')}>
           <AIWritingLayout hideAdvancedFields={hideAdvancedFields} initialNotebookId={initialNotebookId} initialDocumentIds={initialDocumentIds} studioToken={studioToken} />
         </div>
-        {overlayActive && (
+        {overlayActive && !agentsActive && (
           <div className="absolute inset-0 flex flex-col bg-background">
             <div className="flex shrink-0 items-center gap-1 border-b border-border px-4 py-2">
               <button
@@ -313,7 +498,20 @@ function AIWritingBody({ hideAdvancedFields, initialNotebookId, initialDocumentI
             </div>
           </div>
         )}
+        {agentsActive && (
+          <div className="absolute inset-0 bg-background">
+            <AIWritingAgentRoutes base={routeBase} />
+          </div>
+        )}
       </div>
+      {isAdmin && (
+        <AgentModuleSettingsDialog
+          open={settingsOpen}
+          onOpenChange={setSettingsOpen}
+          moduleKey={AI_WRITING_AGENT_MODULE_KEY}
+          moduleTitle={AI_WRITING_AGENT_MODULE_TITLE}
+        />
+      )}
     </div>
   );
 }
@@ -331,30 +529,30 @@ export default function AIWritingPage({
 } = {}) {
   return (
     <CanvasThreadProvider>
-    <CanvasGraphProvider>
-      <CanvasUIProvider>
-      <AIWritingHistoryProvider>
-      <AIWritingProvider>
-      <WritingFormProvider
-        initialMaterialSource={studioToken ?? initialNotebookId != null ? 'notebook' : undefined}
-        initialNotebookId={initialNotebookId}
-        initialDocumentIds={initialDocumentIds}
-      >
-      <TooltipProvider delayDuration={300}>
-        <div className="h-full flex flex-col overflow-hidden bg-background canvas-writing-bg">
-          <AIWritingBody
-            hideAdvancedFields={hideAdvancedFields}
-            initialNotebookId={initialNotebookId}
-            initialDocumentIds={initialDocumentIds}
-            studioToken={studioToken}
-          />
-        </div>
-      </TooltipProvider>
-      </WritingFormProvider>
-      </AIWritingProvider>
-      </AIWritingHistoryProvider>
-      </CanvasUIProvider>
-    </CanvasGraphProvider>
+      <CanvasGraphProvider>
+        <CanvasUIProvider>
+          <AIWritingHistoryProvider>
+            <AIWritingProvider>
+              <WritingFormProvider
+                initialMaterialSource={studioToken ?? initialNotebookId != null ? 'notebook' : undefined}
+                initialNotebookId={initialNotebookId}
+                initialDocumentIds={initialDocumentIds}
+              >
+                <TooltipProvider delayDuration={300}>
+                  <div className="h-full flex flex-col overflow-hidden bg-background canvas-writing-bg">
+                    <AIWritingBody
+                      hideAdvancedFields={hideAdvancedFields}
+                      initialNotebookId={initialNotebookId}
+                      initialDocumentIds={initialDocumentIds}
+                      studioToken={studioToken}
+                    />
+                  </div>
+                </TooltipProvider>
+              </WritingFormProvider>
+            </AIWritingProvider>
+          </AIWritingHistoryProvider>
+        </CanvasUIProvider>
+      </CanvasGraphProvider>
     </CanvasThreadProvider>
   );
 }

frontend-web/src/open-canvas/routes/OpenCanvasRoutes.tsx

@@ -11,7 +11,7 @@ export default function OpenCanvasRoutes() {
   return (
     <Routes>
       <Route index element={<CanvasHomePage />} />
-      <Route path="ai-writing" element={<AIWritingPage hideAdvancedFields />} />
+      <Route path="ai-writing/*" element={<AIWritingPage hideAdvancedFields />} />
       <Route path="article-types" element={<ArticleTypesConfigPage />} />
       <Route path="research-templates" element={<ResearchTemplatesConfigPage />} />
       <Route path="research-templates/new" element={<ResearchTemplateEditorPage />} />

frontend-web/src/pages/WorkspaceRoutes.tsx

@@ -334,7 +334,7 @@ export default function WorkspaceRoutes({
           }
         />
         <Route
-          path="ai-writing"
+          path="ai-writing/*"
           element={
             <WorkspaceLayout {...layoutProps}>
               <AIWritingPage hideAdvancedFields />

offline-backend-20260512/backend/app/gateway/routers/writing.py

@@ -42,8 +42,12 @@ _ACTION_INSTRUCTIONS: dict[str, str] = {
     "expand": "请对以下文字进行扩写，补充细节和说明，使内容更丰富饱满。",
     "shorten": "请对以下文字进行缩写，保留核心意思，去除冗余表达，使其更简洁。",
     "tone": "请调整以下文字的语气风格。",
+    "imitate": "请模仿给定范文的写作风格、句式与语气，对以下文字进行仿写改写，在保留原文核心信息的前提下尽量贴近范文的表达方式。",
 }
 
+# 仿写参考范文的最大长度（防止超长 prompt）
+_REFERENCE_MAX_CHARS = 2000
+
 _TONE_SUFFIX: dict[str, str] = {
     "professional": "目标风格：专业、正式。",
     "casual": "目标风格：轻松、口语化。",
@@ -72,11 +76,12 @@ class SurroundingContext(BaseModel):
 class RewriteRequest(BaseModel):
     thread_id: str | None = Field(default=None, alias="threadId")
     selection: SelectionInfo
-    action: str = Field(..., description="polish | expand | shorten | tone")
+    action: str = Field(..., description="polish | expand | shorten | tone | imitate")
     tone: str | None = Field(default=None)
     model_name: str | None = Field(default=None, alias="modelName")
     surrounding_context: SurroundingContext = Field(default_factory=SurroundingContext, alias="surroundingContext")
     custom_instruction: str | None = Field(default=None, alias="customInstruction")
+    reference_text: str | None = Field(default=None, alias="referenceText", description="仿写参考范文（action=imitate）")
     follow_up_instruction: str | None = Field(default=None, alias="followUpInstruction")
     previous_result: str | None = Field(default=None, alias="previousResult")
 
@@ -121,18 +126,15 @@ def _extract_chunk_parts(chunk: object) -> tuple[str, str]:
     return thinking, text
 
 
-# ── Endpoint ──────────────────────────────────────────────────────────────────
+# ── Prompt building (pure, testable) ──────────────────────────────────────────
 
 
-@router.post(
-    "/rewrite",
-    summary="AI Text Rewrite (SSE stream)",
-    response_class=StreamingResponse,
-)
-async def rewrite_selection(
-    body: RewriteRequest,
-    config: AppConfig = Depends(get_config),
-) -> StreamingResponse:
+def build_rewrite_messages(body: RewriteRequest) -> tuple[str, list]:
+    """Build (resolved_action, messages) for the rewrite request.
+
+    Pure function (no model / IO) so the prompt assembly — including 仿写
+    (imitate) reference-sample injection — can be unit-tested directly.
+    """
     action = body.action if body.action in _ACTION_INSTRUCTIONS else "polish"
     instruction = _ACTION_INSTRUCTIONS[action]
     if action == "tone" and body.tone and body.tone in _TONE_SUFFIX:
@@ -153,6 +155,9 @@ async def rewrite_selection(
     base_instruction = instruction
     if body.custom_instruction:
         base_instruction = f"{instruction}\n用户额外要求：{body.custom_instruction}"
+    if action == "imitate" and body.reference_text and body.reference_text.strip():
+        reference = body.reference_text.strip()[:_REFERENCE_MAX_CHARS]
+        base_instruction = f"{base_instruction}\n\n【范文】（请模仿其文风、句式、语气与结构，但不要照抄其具体内容）：\n{reference}"
     user_message = f"{base_instruction}\n\n{context_block}需要改写的文字：\n{body.selection.text}"
 
     if body.follow_up_instruction and body.previous_result:
@@ -165,6 +170,23 @@ async def rewrite_selection(
     else:
         messages = [SystemMessage(content=_SYSTEM_PROMPT), HumanMessage(content=user_message)]
 
+    return action, messages
+
+
+# ── Endpoint ──────────────────────────────────────────────────────────────────
+
+
+@router.post(
+    "/rewrite",
+    summary="AI Text Rewrite (SSE stream)",
+    response_class=StreamingResponse,
+)
+async def rewrite_selection(
+    body: RewriteRequest,
+    config: AppConfig = Depends(get_config),
+) -> StreamingResponse:
+    action, messages = build_rewrite_messages(body)
+
     # Auto-enable thinking when the selected model supports it
     resolved_name = body.model_name or (config.models[0].name if config.models else None)
     model_cfg = config.get_model_config(resolved_name) if resolved_name else None

offline-backend-20260512/backend/config.yaml

@@ -440,6 +440,7 @@ ai_writing:
   # 接口契约：POST {url} 体 {"query","knowledge_base_name","ts":"yes"} → [{"page_content","metadata":{m_title,content,recUuid,m_publish,source1}}]
   intranet_search_url: "" # 例如 http://10.106.57.180:7863/knowledge_base/search_docs_es
   intranet_knowledge_base: "samples" # 兜底检索用的知识库名
+  intranet_search_timeout: 300 # 内网检索超时时间（秒），代码层强制最低 300；需要更长可调大
   # 内网接口诊断开关：开启后即使技能已检索成功，也照样把内网接口跑完并把执行结果
   # （端点/每个检索词命中数/报错/原始响应片段）记到 material_package.intranet_debug 里，
   # 便于在接口返回(devtools)排查内网接口到底通不通。生产建议关掉（会多跑一次内网）。

offline-backend-20260512/backend/packages/harness/deerflow/agents/ai_writing/nodes/_skill_agent.py

@@ -594,6 +594,7 @@ async def run_skill_search_agent(
     results: list = []
     seen_urls: set[str] = set()
     last_error = ""
+    search_timeout = max(timeout_s, _REAL_AGENT_TIMEOUT_SECONDS)
 
     for _turn in range(_MAX_TURNS):
         try:
@@ -616,10 +617,10 @@ async def run_skill_search_agent(
                 emit_query(query)
             try:
                 found = await asyncio.wait_for(
-                    provider.search(query, max_results=max_results), timeout=timeout_s
+                    provider.search(query, max_results=max_results), timeout=search_timeout
                 )
             except asyncio.TimeoutError:
-                last_error = f"检索超时（>{timeout_s}s）"
+                last_error = f"检索超时（>{search_timeout}s）"
                 messages.append(ToolMessage(content=last_error, tool_call_id=tc_id))
                 continue
             except Exception as e:  # noqa: BLE001

offline-backend-20260512/backend/packages/harness/deerflow/agents/ai_writing/nodes/researcher.py

@@ -102,6 +102,14 @@ _KNOWLEDGE_SKILL_DISPLAY = "知识库检索"
 _KNOWLEDGE_SKILL_FALLBACK_DESC = "对写作意图提炼的检索词执行 web/intranet 知识库检索，获取相关素材"
 
 
+def _intranet_timeout_seconds(ai_writing_config: dict) -> int:
+    """内网检索超时统一入口：默认 10 分钟，任何配置都至少 5 分钟。"""
+    from ..search.intranet_stub import normalize_intranet_timeout
+
+    raw = (ai_writing_config or {}).get("intranet_search_timeout")
+    return normalize_intranet_timeout(raw)
+
+
 def _fallback_knowledge_skill() -> SimpleNamespace:
     """技能目录里找不到 knowledge-base-search 时的内存兜底（原生路径不依赖 SKILL.md）。"""
     return SimpleNamespace(name=KNOWLEDGE_SEARCH_SKILL_NAME, description=_KNOWLEDGE_SKILL_FALLBACK_DESC)
@@ -581,8 +589,9 @@ async def researcher_node(state: AIWritingState, config: RunnableConfig) -> dict
         provider = IntranetSearchProvider(
             base_url=intranet_url,  # 空串 → provider 内部回退默认内网端点（旧逻辑）
             knowledge_base_name=ai_writing_config.get("intranet_knowledge_base", "samples"),
-            # 内网慢检索超时可在 config.yaml 的 ai_writing.intranet_search_timeout 调大，默认 600s。
-            timeout=ai_writing_config.get("intranet_search_timeout", 600),
+            # 内网慢检索超时可在 config.yaml 的 ai_writing.intranet_search_timeout 调大，
+            # 默认 600s，且最低 300s。
+            timeout=_intranet_timeout_seconds(ai_writing_config),
         )
         endpoint_label = intranet_url or getattr(provider, "endpoint", "内置默认内网端点")
         # 用户输入框追加（is_user_query_search）时 keywords 已是 [用户原话]，全部检索；
@@ -833,7 +842,7 @@ async def researcher_node(state: AIWritingState, config: RunnableConfig) -> dict
             "configured": bool(intranet_url),
             "endpoint": intranet_url or "(未配置 ai_writing.intranet_search_url)",
             "knowledge_base": ai_writing_config.get("intranet_knowledge_base", "samples"),
-            "timeout": ai_writing_config.get("intranet_search_timeout", 600),
+            "timeout": _intranet_timeout_seconds(ai_writing_config),
             "debug_force": intranet_debug_force,
             "status": "pending" if intranet_url else "not_configured",
             "queries": [],          # 每个检索词：{query, count, error?}
@@ -853,8 +862,8 @@ async def researcher_node(state: AIWritingState, config: RunnableConfig) -> dict
                     base_url=intranet_url,
                     knowledge_base_name=ai_writing_config.get("intranet_knowledge_base", "samples"),
                     # 兜底接口超时可在 config.yaml 的 ai_writing.intranet_search_timeout 调大，
-                    # 默认 600s（10 分钟），给内网慢检索留足时间。
-                    timeout=ai_writing_config.get("intranet_search_timeout", 600),
+                    # 默认 600s（10 分钟），且最低 300s。
+                    timeout=_intranet_timeout_seconds(ai_writing_config),
                 )
                 intranet_holder["provider"] = intranet
                 fb_keywords = keywords[:keyword_count] or [intent]

offline-backend-20260512/backend/packages/harness/deerflow/agents/ai_writing/search/__init__.py

@@ -1,6 +1,6 @@
 from .base import BaseSearchProvider, SearchResult
 from .internet_search import InternetSearchProvider
-from .intranet_stub import IntranetSearchProvider
+from .intranet_stub import IntranetSearchProvider, normalize_intranet_timeout
 from .demo_search import DemoSearchProvider
 from .duckduckgo_search import DuckDuckGoSearchProvider
 from .skill_search import SkillSearchProvider
@@ -13,6 +13,7 @@ def get_search_provider(ai_writing_config: dict) -> BaseSearchProvider:
       search_provider: internet   # internet(默认,DDG) / intranet / tavily / demo
       intranet_search_url: http://10.106.57.180:7863/knowledge_base/search_docs_es
       intranet_knowledge_base: samples
+      intranet_search_timeout: 300 # 内网检索超时秒数，最少 300 秒
       ddg_region: "cn-zh"         # DuckDuckGo 区域，默认 cn-zh
 
     internet 模式：DuckDuckGo 为主搜索（免 API Key），失败时 fallback 到 demo 演示素材。
@@ -24,6 +25,7 @@ def get_search_provider(ai_writing_config: dict) -> BaseSearchProvider:
         return IntranetSearchProvider(
             base_url=cfg.get("intranet_search_url", ""),
             knowledge_base_name=cfg.get("intranet_knowledge_base", "samples"),
+            timeout=normalize_intranet_timeout(cfg.get("intranet_search_timeout")),
         )
     if provider == "tavily":
         return _FallbackSearchProvider(InternetSearchProvider(), DemoSearchProvider())

offline-backend-20260512/backend/packages/harness/deerflow/agents/ai_writing/search/intranet_stub.py

@@ -11,10 +11,22 @@ logger = logging.getLogger(__name__)
 # 内网知识库默认检索接口与知识库名（可经 config.yaml 的 ai_writing 段覆盖）
 _DEFAULT_ENDPOINT = "http://10.106.57.180:7863/knowledge_base/search_docs_es"
 _DEFAULT_KB = "samples"
+# 内网检索最少等待 5 分钟；该接口经常慢返回，低于这个值会造成素材收集误判为空。
+_MIN_TIMEOUT_SECONDS = 300
+_DEFAULT_TIMEOUT_SECONDS = 600
 # 单条原始响应体最大保留长度，避免把超大响应整段灌进前端时间线
 _RAW_SNIPPET_LIMIT = 2000
 
 
+def normalize_intranet_timeout(timeout: object, default: int = _DEFAULT_TIMEOUT_SECONDS) -> int:
+    """返回内网检索超时秒数，并强制不低于 5 分钟。"""
+    try:
+        value = int(timeout)
+    except (TypeError, ValueError):
+        value = default
+    return max(value, _MIN_TIMEOUT_SECONDS)
+
+
 def _pick(d: dict, keys: tuple) -> str:
     """从结果项里按候选字段名取第一个非空值（两套接口字段名不同，做并集兼容）。"""
     for k in keys:
@@ -38,17 +50,13 @@ class IntranetSearchProvider(BaseSearchProvider):
         self,
         base_url: str = "",
         knowledge_base_name: str = _DEFAULT_KB,
-        timeout: int = 600,
+        timeout: int = _DEFAULT_TIMEOUT_SECONDS,
         **_ignored,
     ):
         self.endpoint = base_url or _DEFAULT_ENDPOINT
         self.knowledge_base_name = knowledge_base_name or _DEFAULT_KB
-        # 内网 ES 接口很慢，兜底检索超时放宽到 10 分钟（不依赖 env 配置）；构造方可传更大值覆盖。
-        # 「咱们先把自己的做好」：我方兜底超时给足，避免因我方过早超时被甩锅成「检不出」。
-        try:
-            self.timeout = max(int(timeout), 1)
-        except (TypeError, ValueError):
-            self.timeout = 600
+        # 内网 ES 接口很慢，兜底检索超时默认 10 分钟，且无论配置如何至少 5 分钟。
+        self.timeout = normalize_intranet_timeout(timeout)
         # 收集本次运行的检索异常，供 researcher 节点取出并提示用户（ES 波动等）
         self.errors: list[str] = []
         # 解析失败时收集的原始响应体，供前端「错误返回结果」折叠展示