引入二级大纲功能，新增父子节点关系及子节点排序，同时调整API与UI以支持嵌套大纲管理

2026-03-22 16:53:33 +08:00
parent 20c759150a
commit 098ff4e16d
33 changed files with 2516 additions and 381 deletions
--- a/frontend/src/api/chat.ts
+++ b/frontend/src/api/chat.ts
@@ -33,6 +33,22 @@ export async function clearMessages(novelId?: number): Promise<void> {
  await http.delete('/chat/messages', { params })
 }

+export interface CompressResult {
+  compressed: boolean
+  reason?: string
+  error?: string
+  removed_count?: number
+  kept_count?: number
+  summary_length?: number
+}
+
+export async function compressContext(novelId?: number): Promise<CompressResult> {
+  const params: Record<string, unknown> = {}
+  if (novelId !== undefined) params.novel_id = novelId
+  const { data } = await http.post<CompressResult>('/chat/compress', null, { params })
+  return data
+}
+
 // ── 流式聊天 ──

 export interface TokenUsage {
@@ -59,6 +75,7 @@ export interface StreamChatOptions {
  novelId?: number
  pageContext?: string
  toolsEnabled?: boolean
+  autoApproveTools?: boolean
  // 工具审批续传
  pendingToolCalls?: PendingToolCallData[]
  assistantText?: string
@@ -67,15 +84,16 @@ export interface StreamChatOptions {
  onError: (error: string) => void
  onDone: (usage?: TokenUsage, pending?: boolean) => void
  onToolCallsPending?: (calls: PendingToolCallData[], assistantText: string) => void
+  onToolCallsAuto?: (calls: PendingToolCallData[]) => void
  onToolResult?: (info: ToolResultInfo) => void
  signal?: AbortSignal
 }

 export async function streamChat(options: StreamChatOptions): Promise<void> {
  const {
-    messages, novelId, pageContext, toolsEnabled,
+    messages, novelId, pageContext, toolsEnabled, autoApproveTools,
    pendingToolCalls, assistantText,
-    onChunk, onError, onDone, onToolCallsPending, onToolResult,
+    onChunk, onError, onDone, onToolCallsPending, onToolCallsAuto, onToolResult,
    signal,
  } = options

@@ -84,6 +102,7 @@ export async function streamChat(options: StreamChatOptions): Promise<void> {
    novel_id: novelId ?? null,
    page_context: pageContext ?? null,
    tools_enabled: toolsEnabled ?? true,
+    auto_approve_tools: autoApproveTools ?? false,
    pending_tool_calls: pendingToolCalls ?? null,
    assistant_text: assistantText ?? null,
  })
@@ -133,6 +152,9 @@ export async function streamChat(options: StreamChatOptions): Promise<void> {
          if (event.tool_calls_pending && onToolCallsPending) {
            onToolCallsPending(event.tool_calls_pending, event.assistant_text ?? '')
          }
+          if (event.tool_calls_auto && onToolCallsAuto) {
+            onToolCallsAuto(event.tool_calls_auto)
+          }
          if (event.tool_result && onToolResult) {
            onToolResult(event.tool_result)
          }
--- a/frontend/src/api/outlines.ts
+++ b/frontend/src/api/outlines.ts
@@ -31,3 +31,8 @@ export async function reorderOutlines(novelId: number, orderedIds: number[]): Pr
  const { data } = await http.put<OutlineList>(`${base(novelId)}/reorder`, { ordered_ids: orderedIds })
  return data
 }
+
+export async function reorderChildren(novelId: number, outlineId: number, orderedIds: number[]): Promise<Outline> {
+  const { data } = await http.put<Outline>(`${base(novelId)}/${outlineId}/children/reorder`, { ordered_ids: orderedIds })
+  return data
+}
--- a/frontend/src/components/chat/ChatPanel.vue
+++ b/frontend/src/components/chat/ChatPanel.vue
@@ -1,13 +1,15 @@
 <script setup lang="ts">
 import { ref, computed, nextTick, watch, onMounted } from 'vue'
+import { marked } from 'marked'
 import { useChatAgent } from '@/composables/useChatAgent'
+import { useToast } from '@/composables/useToast'
 import { isToolCallGroup } from '@/types/chat'
 import type { ToolCallGroup } from '@/types/chat'
 import ChatMessageComp from './ChatMessage.vue'
 import ChatToolCalls from './ChatToolCalls.vue'
 import ChatConfigModal from './ChatConfigModal.vue'

-defineProps<{
+const props = defineProps<{
  open: boolean
 }>()

@@ -16,13 +18,14 @@ const emit = defineEmits<{
 }>()

 const {
-  entries, isStreaming, streamingContent, lastUsage,
-  toolsEnabled, currentNovelId,
+  entries, isStreaming, isCompressing, streamingContent, lastUsage,
+  toolsEnabled, autoApproveTools, currentNovelId,
  loadHistory, sendMessage, approveToolCalls, skipToolCalls,
-  stopStreaming, clearChat,
+  stopStreaming, clearChat, compressChat,
 } = useChatAgent()

 const input = ref('')
+const toast = useToast()
 const messagesRef = ref<HTMLElement>()
 const showConfig = ref(false)

@@ -54,11 +57,27 @@ const hasPendingTools = computed(() =>
  entries.value.some(e => isToolCallGroup(e) && e.status === 'pending')
 )

+async function handleCompress() {
+  const result = await compressChat()
+  if (result.success) {
+    toast.success(result.message)
+  } else {
+    toast.info(result.message)
+  }
+}
+
+function renderMarkdown(text: string): string {
+  return marked.parse(text) as string
+}
+
 function scrollToBottom() {
+  // 双重 nextTick：第一次等 v-if 渲染面板 DOM，第二次等内容渲染完成
  nextTick(() => {
-    if (messagesRef.value) {
-      messagesRef.value.scrollTop = messagesRef.value.scrollHeight
-    }
+    nextTick(() => {
+      if (messagesRef.value) {
+        messagesRef.value.scrollTop = messagesRef.value.scrollHeight
+      }
+    })
  })
 }

@@ -84,8 +103,11 @@ function handleSkip(group: ToolCallGroup) {
  skipToolCalls(group)
 }

-// 自动滚动
+// 自动滚动：消息变化时、面板打开时
 watch([entries, streamingContent], scrollToBottom)
+watch(() => props.open, (isOpen) => {
+  if (isOpen) scrollToBottom()
+})

 onMounted(() => {
  loadHistory()
@@ -106,6 +128,17 @@ onMounted(() => {
                  <path d="M2 4h12M5 4V2.5h6V4M3.5 4v9.5h9V4" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" />
                </svg>
              </button>
+              <button
+                class="icon-btn"
+                :class="{ 'icon-btn--compressing': isCompressing }"
+                :title="isCompressing ? '正在压缩上下文...' : '压缩上下文（总结旧消息，释放空间）'"
+                :disabled="isCompressing || isStreaming"
+                @click="handleCompress"
+              >
+                <svg width="16" height="16" viewBox="0 0 16 16" fill="none">
+                  <path d="M4 2v4l4-2-4-2zM12 14v-4l-4 2 4 2zM2 8h12" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" />
+                </svg>
+              </button>
              <button
                v-if="currentNovelId"
                class="icon-btn"
@@ -117,6 +150,22 @@ onMounted(() => {
                  <path d="M9.5 1.5L13.5 5.5L6.5 12.5H2.5V8.5L9.5 1.5Z" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" />
                </svg>
              </button>
+              <button
+                v-if="currentNovelId && toolsEnabled"
+                class="icon-btn"
+                :class="{ 'icon-btn--active': autoApproveTools }"
+                :title="autoApproveTools ? '工具自动执行（点击切换为需审批）' : '工具需审批（点击切换为自动执行）'"
+                @click="autoApproveTools = !autoApproveTools"
+              >
+                <!-- 自动执行：闪电图标；需审批：盾牌图标 -->
+                <svg v-if="autoApproveTools" width="16" height="16" viewBox="0 0 16 16" fill="none">
+                  <path d="M8.5 1L3.5 9H7.5L7 15L12.5 7H8.5L8.5 1Z" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" />
+                </svg>
+                <svg v-else width="16" height="16" viewBox="0 0 16 16" fill="none">
+                  <path d="M8 1.5L2.5 4V7.5C2.5 11 5 13.5 8 14.5C11 13.5 13.5 11 13.5 7.5V4L8 1.5Z" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" />
+                  <path d="M6 8L7.5 9.5L10 6.5" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" />
+                </svg>
+              </button>
              <button class="icon-btn" title="AI配置" @click="showConfig = true">
                <svg width="16" height="16" viewBox="0 0 16 16" fill="none">
                  <circle cx="8" cy="8" r="2.5" stroke="currentColor" stroke-width="1.2" />
@@ -158,6 +207,19 @@ onMounted(() => {
                @approve="handleApprove(entry as ToolCallGroup)"
                @skip="handleSkip(entry as ToolCallGroup)"
              />
+              <!-- 对话摘要（压缩后的历史总结） -->
+              <div
+                v-else-if="entry.role === 'assistant' && entry.content.startsWith('[对话摘要]')"
+                class="context-summary"
+              >
+                <div class="summary-header">
+                  <svg width="14" height="14" viewBox="0 0 16 16" fill="none">
+                    <path d="M4 2v4l4-2-4-2zM12 14v-4l-4 2 4 2zM2 8h12" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" />
+                  </svg>
+                  <span>上下文摘要</span>
+                </div>
+                <div class="summary-content" v-html="renderMarkdown(entry.content.replace('[对话摘要]\n', ''))" />
+              </div>
              <!-- 普通消息 -->
              <ChatMessageComp
                v-else
@@ -279,6 +341,21 @@ onMounted(() => {
  color: var(--ink-900);
 }

+.icon-btn--compressing {
+  animation: pulse 1.2s ease-in-out infinite;
+  color: #d4a017;
+}
+
+@keyframes pulse {
+  0%, 100% { opacity: 1; }
+  50% { opacity: 0.4; }
+}
+
+.icon-btn:disabled {
+  opacity: 0.3;
+  cursor: default;
+}
+
 .icon-btn--active {
  color: var(--bamboo);
  background: rgba(91, 140, 90, 0.1);
@@ -327,6 +404,34 @@ onMounted(() => {
  font-family: var(--font-mono, monospace);
 }

+/* 上下文摘要卡片 */
+.context-summary {
+  margin-bottom: var(--space-md);
+  padding: var(--space-sm) var(--space-md);
+  background: linear-gradient(135deg, rgba(212, 160, 23, 0.06), rgba(212, 160, 23, 0.02));
+  border: 1px dashed rgba(212, 160, 23, 0.3);
+  border-radius: var(--radius-md);
+  font-size: 0.82rem;
+  color: var(--ink-500);
+}
+
+.summary-header {
+  display: flex;
+  align-items: center;
+  gap: var(--space-xs);
+  font-weight: 600;
+  color: #d4a017;
+  margin-bottom: var(--space-xs);
+  font-size: 0.78rem;
+  text-transform: uppercase;
+  letter-spacing: 0.5px;
+}
+
+.summary-content :deep(p) { margin: 0 0 0.3em; }
+.summary-content :deep(p:last-child) { margin-bottom: 0; }
+.summary-content :deep(ul) { margin: 0.2em 0; padding-left: 1.3em; }
+.summary-content :deep(li) { margin-bottom: 0.1em; }
+
 /* 消息区 */
 .panel-messages {
  flex: 1;
--- a/frontend/src/components/chat/ChatToolCalls.vue
+++ b/frontend/src/components/chat/ChatToolCalls.vue
@@ -18,23 +18,48 @@ const isSkipped = computed(() => props.group.status === 'skipped')

 // 工具图标（SVG path）
 const TOOL_ICONS: Record<string, string> = {
+  // 大纲
  list_outlines: 'M3 4h10M3 8h10M3 12h6',
  create_outline: 'M8 3v10M3 8h10',
  update_outline: 'M3 12l2-2 4 4-2 2H3v-4zM9 6l2-2 4 4-2 2-4-4z',
  delete_outline: 'M3 5h10M5 5V3h6v2M4 5v8h8V5',
+  reorder_outlines: 'M3 4h7M3 8h7M3 12h7M12 3l2 2-2 2M12 9l2 2-2 2',
+  // 世界观
  get_world_setting: 'M8 1a7 7 0 100 14A7 7 0 008 1zM1 8h14M8 1c2 2 3 4.5 3 7s-1 5-3 7M8 1c-2 2-3 4.5-3 7s1 5 3 7',
  save_world_setting: 'M8 1a7 7 0 100 14A7 7 0 008 1zM4 8l3 3 5-5',
+  // 角色
+  list_characters: 'M5.5 5a2.5 2.5 0 105 0 2.5 2.5 0 00-5 0zM3 13c0-2.5 2-4 5-4s5 1.5 5 4',
+  create_character: 'M5 5a2.5 2.5 0 105 0 2.5 2.5 0 00-5 0zM2 13c0-2.5 2-4 5-4M12 6v5M9.5 8.5h5',
+  update_character: 'M5 5a2.5 2.5 0 105 0 2.5 2.5 0 00-5 0zM3 13c0-2.5 2-4 5-4M10 10l2-2 2 2-2 2z',
+  delete_character: 'M5 5a2.5 2.5 0 105 0 2.5 2.5 0 00-5 0zM3 13c0-2.5 2-4 5-4M10 8l4 4M14 8l-4 4',
+  // 章节
+  list_chapters: 'M4 2h8v12H4zM6 5h4M6 8h4M6 11h2',
+  create_chapter: 'M3 2h7v12H3zM12 5v5M9.5 7.5h5',
+  update_chapter: 'M4 2h8v12H4zM7 7l2-2 2 2-2 2z',
+  delete_chapter: 'M4 2h8v12H4zM6 6l4 4M10 6l-4 4',
 }

 // 工具颜色主题
 const TOOL_COLORS: Record<string, string> = {
+  // 大纲
  list_outlines: 'var(--bamboo)',
  create_outline: 'var(--bamboo)',
  update_outline: '#d4a017',
  delete_outline: 'var(--danger)',
-  delete_world_setting: 'var(--danger)',
+  reorder_outlines: '#d4a017',
+  // 世界观
  get_world_setting: 'var(--ink-500)',
  save_world_setting: 'var(--bamboo)',
+  // 角色
+  list_characters: '#7c6bc4',
+  create_character: '#7c6bc4',
+  update_character: '#d4a017',
+  delete_character: 'var(--danger)',
+  // 章节
+  list_chapters: '#4a90d9',
+  create_chapter: '#4a90d9',
+  update_chapter: '#d4a017',
+  delete_chapter: 'var(--danger)',
 }

 function getIcon(name: string): string {
@@ -57,10 +82,28 @@ function formatArgs(call: ToolCallEntry): string {
      return `#${args.outline_id}` + (args.summary ? ` → ${args.summary}` : '')
    case 'delete_outline':
      return `#${args.outline_id}`
+    case 'reorder_outlines': {
+      const ids = args.ordered_ids as number[]
+      return ids ? `${ids.length} 个节点` + (args.parent_id ? ` (父节点 #${args.parent_id})` : '') : ''
+    }
    case 'save_world_setting': {
      const content = (args.content as string) ?? ''
      return content.length > 80 ? content.slice(0, 80) + '…' : content
    }
+    // 角色
+    case 'create_character':
+      return args.name as string ?? ''
+    case 'update_character':
+      return `#${args.character_id}` + (args.name ? ` → ${args.name}` : '')
+    case 'delete_character':
+      return `#${args.character_id}`
+    // 章节
+    case 'create_chapter':
+      return args.title as string ?? ''
+    case 'update_chapter':
+      return `#${args.chapter_id}` + (args.title ? ` → ${args.title}` : '')
+    case 'delete_chapter':
+      return `#${args.chapter_id}`
    default:
      return ''
  }
@@ -71,7 +114,11 @@ function formatResult(call: ToolCallEntry): string {
  if (!call.result) return ''
  try {
    const data = call.parsedResult ?? JSON.parse(call.result)
+    // 通用错误检查
+    if ((data as { error?: string }).error) return `失败: ${(data as { error: string }).error}`
+
    switch (call.name) {
+      // 大纲
      case 'list_outlines': {
        const items = (data as { outlines: { id: number; summary: string }[] }).outlines
        if (!items?.length) return '暂无大纲'
@@ -80,11 +127,12 @@ function formatResult(call: ToolCallEntry): string {
      case 'create_outline':
        return `已创建: ${(data as { summary: string }).summary}`
      case 'update_outline':
-        if ((data as { error?: string }).error) return `失败: ${(data as { error: string }).error}`
        return `已更新: ${(data as { summary: string }).summary}`
      case 'delete_outline':
-        if ((data as { error?: string }).error) return `失败: ${(data as { error: string }).error}`
        return '已删除'
+      case 'reorder_outlines':
+        return `已调整 ${(data as { count: number }).count} 个节点的排序`
+      // 世界观
      case 'get_world_setting': {
        const content = (data as { content: string }).content
        if (!content) return '暂无世界观设定'
@@ -92,6 +140,30 @@ function formatResult(call: ToolCallEntry): string {
      }
      case 'save_world_setting':
        return `已保存 (${(data as { content_length: number }).content_length} 字)`
+      // 角色
+      case 'list_characters': {
+        const chars = (data as { characters: { id: number; name: string }[] }).characters
+        if (!chars?.length) return '暂无角色'
+        return chars.map((c: { id: number; name: string }) => `• ${c.name}`).join('\n')
+      }
+      case 'create_character':
+        return `已创建: ${(data as { name: string }).name}`
+      case 'update_character':
+        return `已更新: ${(data as { name: string }).name}`
+      case 'delete_character':
+        return '已删除'
+      // 章节
+      case 'list_chapters': {
+        const chs = (data as { chapters: { id: number; title: string }[] }).chapters
+        if (!chs?.length) return '暂无章节'
+        return chs.map((c: { id: number; title: string }) => `• ${c.title}`).join('\n')
+      }
+      case 'create_chapter':
+        return `已创建: ${(data as { title: string }).title}`
+      case 'update_chapter':
+        return `已更新: ${(data as { title: string }).title}`
+      case 'delete_chapter':
+        return '已删除'
      default:
        return call.result.slice(0, 100)
    }
--- a/frontend/src/components/novel/NovelSubNav.vue
+++ b/frontend/src/components/novel/NovelSubNav.vue
@@ -0,0 +1,183 @@
+<script setup lang="ts">
+import { computed } from 'vue'
+import { useRoute } from 'vue-router'
+
+const props = defineProps<{
+  novelId: number
+  novelTitle: string
+  /** 当前页面的辅助信息，如 "共 5 个节点" */
+  subtitle?: string
+}>()
+
+const route = useRoute()
+
+const NAV_ITEMS = [
+  { name: 'novel-outlines', label: '大纲', icon: 'M3 4h10M3 8h10M3 12h6' },
+  { name: 'novel-chapters', label: '章节', icon: 'M4 2h8v12H4zM6 5h4M6 8h4' },
+  { name: 'novel-characters', label: '角色', icon: 'M5.5 5a2.5 2.5 0 105 0 2.5 2.5 0 00-5 0zM3 13c0-2.5 2-4 5-4s5 1.5 5 4' },
+  { name: 'novel-world-setting', label: '世界观', icon: 'M8 1a7 7 0 100 14A7 7 0 008 1zM1 8h14M8 1c2 2 3 4.5 3 7s-1 5-3 7M8 1c-2 2-3 4.5-3 7s1 5 3 7' },
+]
+
+const currentRoute = computed(() => route.name as string)
+</script>
+
+<template>
+  <div class="sub-nav">
+    <!-- 第一行：返回 + 标题 + 右侧操作 -->
+    <div class="sub-nav-top">
+      <RouterLink
+        :to="{ name: 'novel-detail', params: { id: novelId } }"
+        class="back-link"
+      >
+        <svg width="16" height="16" viewBox="0 0 16 16" fill="none">
+          <path d="M10 3L5 8l5 5" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round" />
+        </svg>
+        <span class="back-title">{{ novelTitle }}</span>
+      </RouterLink>
+
+      <div class="sub-nav-actions">
+        <slot name="actions" />
+      </div>
+    </div>
+
+    <!-- 第二行：导航标签 + 辅助信息 -->
+    <div class="sub-nav-bar">
+      <nav class="nav-tabs">
+        <RouterLink
+          v-for="item in NAV_ITEMS"
+          :key="item.name"
+          :to="{ name: item.name, params: { id: novelId } }"
+          class="nav-tab"
+          :class="{ 'nav-tab--active': currentRoute === item.name }"
+        >
+          <svg class="nav-tab-icon" width="14" height="14" viewBox="0 0 16 16" fill="none">
+            <path :d="item.icon" stroke="currentColor" stroke-width="1.3" stroke-linecap="round" stroke-linejoin="round" fill="none" />
+          </svg>
+          <span>{{ item.label }}</span>
+        </RouterLink>
+      </nav>
+
+      <span v-if="subtitle" class="nav-subtitle">{{ subtitle }}</span>
+    </div>
+  </div>
+</template>
+
+<style scoped>
+.sub-nav {
+  margin-bottom: var(--space-xl);
+  animation: fadeInUp var(--duration-normal) var(--ease-out-smooth) both;
+}
+
+/* ── 顶部行：返回 + 操作按钮 ── */
+.sub-nav-top {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  margin-bottom: var(--space-md);
+}
+
+.back-link {
+  display: inline-flex;
+  align-items: center;
+  gap: 6px;
+  text-decoration: none;
+  color: var(--ink-400);
+  transition: color var(--duration-fast) ease;
+  min-width: 0;
+}
+
+.back-link:hover {
+  color: var(--vermilion);
+}
+
+.back-link svg {
+  flex-shrink: 0;
+  transition: transform var(--duration-fast) ease;
+}
+
+.back-link:hover svg {
+  transform: translateX(-2px);
+}
+
+.back-title {
+  font-family: var(--font-display);
+  font-size: 1.35rem;
+  font-weight: 700;
+  color: var(--ink-900);
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  transition: color var(--duration-fast) ease;
+}
+
+.back-link:hover .back-title {
+  color: var(--vermilion);
+}
+
+.sub-nav-actions {
+  flex-shrink: 0;
+}
+
+/* ── 导航标签栏 ── */
+.sub-nav-bar {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: var(--space-md);
+  border-bottom: 1px solid var(--paper-200);
+  padding-bottom: 0;
+}
+
+.nav-tabs {
+  display: flex;
+  gap: 2px;
+}
+
+.nav-tab {
+  display: inline-flex;
+  align-items: center;
+  gap: 5px;
+  padding: var(--space-sm) var(--space-md);
+  font-size: 0.88rem;
+  font-weight: 500;
+  color: var(--ink-400);
+  text-decoration: none;
+  border-bottom: 2px solid transparent;
+  margin-bottom: -1px; /* 与底部边线重叠 */
+  transition: all var(--duration-fast) ease;
+  position: relative;
+}
+
+.nav-tab:hover {
+  color: var(--ink-700);
+  background: var(--paper-100);
+  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
+}
+
+.nav-tab--active {
+  color: var(--vermilion);
+  border-bottom-color: var(--vermilion);
+  font-weight: 600;
+}
+
+.nav-tab--active:hover {
+  color: var(--vermilion);
+  background: transparent;
+}
+
+.nav-tab-icon {
+  flex-shrink: 0;
+  opacity: 0.7;
+}
+
+.nav-tab--active .nav-tab-icon {
+  opacity: 1;
+}
+
+.nav-subtitle {
+  font-size: 0.8rem;
+  color: var(--ink-300);
+  white-space: nowrap;
+  padding-bottom: var(--space-sm);
+}
+</style>
--- a/frontend/src/components/outline/OutlineChildList.vue
+++ b/frontend/src/components/outline/OutlineChildList.vue
@@ -0,0 +1,187 @@
+<script setup lang="ts">
+import { ref } from 'vue'
+import type { Outline } from '@/types/outline'
+import OutlineChildNode from './OutlineChildNode.vue'
+
+const props = defineProps<{
+  children: Outline[]
+  expanded: boolean
+}>()
+
+const emit = defineEmits<{
+  addChild: []
+  editChild: [child: Outline]
+  deleteChild: [child: Outline]
+  reorderChildren: [children: Outline[]]
+}>()
+
+// 子节点拖拽排序
+const dragIndex = ref<number | null>(null)
+const dragOverIndex = ref<number | null>(null)
+
+function onDragStart(index: number) {
+  dragIndex.value = index
+}
+
+function onDragOver(index: number) {
+  if (dragIndex.value === null || dragIndex.value === index) return
+  dragOverIndex.value = index
+}
+
+function onDragEnd() {
+  if (dragIndex.value !== null && dragOverIndex.value !== null && dragIndex.value !== dragOverIndex.value) {
+    const items = [...props.children]
+    const [moved] = items.splice(dragIndex.value, 1)
+    items.splice(dragOverIndex.value, 0, moved)
+    emit('reorderChildren', items)
+  }
+  dragIndex.value = null
+  dragOverIndex.value = null
+}
+</script>
+
+<template>
+  <div class="child-list-wrapper" :class="{ 'child-list-wrapper--open': expanded }">
+    <div class="child-list-inner">
+      <div class="child-list">
+        <!-- 竹青竖线 -->
+        <div class="child-line" />
+
+        <!-- 子节点卡片 -->
+        <div
+          v-for="(child, index) in children"
+          :key="child.id"
+          class="child-item"
+          :class="{
+            'child-item--dragging': dragIndex === index,
+            'child-item--drag-over': dragOverIndex === index,
+          }"
+          draggable="true"
+          @dragstart.stop="onDragStart(index)"
+          @dragover.prevent.stop="onDragOver(index)"
+          @dragend.stop="onDragEnd"
+        >
+          <OutlineChildNode
+            :child="child"
+            :index="index"
+            @edit="emit('editChild', child)"
+            @delete="emit('deleteChild', child)"
+          />
+        </div>
+
+        <!-- 添加子节点按钮 -->
+        <div class="child-add-wrapper">
+          <button class="child-add-btn" @click.stop="emit('addChild')">
+            <svg width="14" height="14" viewBox="0 0 14 14" fill="none">
+              <path d="M7 3v8M3 7h8" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" />
+            </svg>
+            <span>添加子节点</span>
+          </button>
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<style scoped>
+/* 展开容器：grid-template-rows 过渡 */
+.child-list-wrapper {
+  display: grid;
+  grid-template-rows: 0fr;
+  transition: grid-template-rows var(--duration-normal) var(--ease-out-smooth);
+  overflow: hidden;
+}
+
+.child-list-wrapper--open {
+  grid-template-rows: 1fr;
+}
+
+.child-list-inner {
+  min-height: 0;
+  overflow: hidden;
+}
+
+.child-list {
+  position: relative;
+  padding: var(--space-md) 0 var(--space-sm) var(--space-xl);
+  display: flex;
+  flex-direction: column;
+  gap: var(--space-sm);
+}
+
+/* 竹青竖线 */
+.child-line {
+  position: absolute;
+  left: 10px;
+  top: 0;
+  bottom: var(--space-md);
+  width: 2px;
+  background: linear-gradient(
+    to bottom,
+    var(--bamboo),
+    rgba(91, 140, 90, 0.3)
+  );
+  border-radius: 1px;
+}
+
+/* 子节点项 */
+.child-item {
+  position: relative;
+  transition: opacity var(--duration-fast) ease;
+}
+
+.child-item--dragging {
+  opacity: 0.4;
+}
+
+.child-item--drag-over::before {
+  content: '';
+  position: absolute;
+  top: -4px;
+  left: 0;
+  right: 0;
+  height: 2px;
+  background: var(--bamboo);
+  border-radius: 1px;
+  z-index: 5;
+}
+
+/* 添加子节点按钮 */
+.child-add-wrapper {
+  padding-left: var(--space-sm);
+}
+
+.child-add-btn {
+  display: flex;
+  align-items: center;
+  gap: 4px;
+  padding: 4px 12px;
+  background: none;
+  border: 1px dashed rgba(91, 140, 90, 0.4);
+  border-radius: var(--radius-sm);
+  color: var(--bamboo);
+  font-size: 0.76rem;
+  font-family: var(--font-display);
+  cursor: pointer;
+  transition: all var(--duration-fast) ease;
+  opacity: 0.7;
+}
+
+.child-add-btn:hover {
+  opacity: 1;
+  border-color: var(--bamboo);
+  background: rgba(91, 140, 90, 0.06);
+  transform: translateY(-1px);
+}
+
+/* 响应式 */
+@media (max-width: 700px) {
+  .child-list {
+    padding-left: 36px;
+  }
+
+  .child-line {
+    left: 28px;
+  }
+}
+</style>
--- a/frontend/src/components/outline/OutlineChildNode.vue
+++ b/frontend/src/components/outline/OutlineChildNode.vue
@@ -0,0 +1,237 @@
+<script setup lang="ts">
+import { ref } from 'vue'
+import type { Outline } from '@/types/outline'
+
+defineProps<{
+  child: Outline
+  index: number
+}>()
+
+const emit = defineEmits<{
+  edit: []
+  delete: []
+}>()
+
+const expanded = ref(false)
+
+function toggle() {
+  expanded.value = !expanded.value
+}
+</script>
+
+<template>
+  <div
+    class="child-node"
+    :class="{ 'child-node--expanded': expanded }"
+    :style="{ '--child-delay': `${index * 80}ms` }"
+    @click="toggle"
+  >
+    <!-- 左侧竹青圆点 -->
+    <div class="child-dot" />
+
+    <div class="child-content">
+      <!-- 摘要 -->
+      <h4 class="child-summary">{{ child.summary }}</h4>
+
+      <!-- 详情（可展开） -->
+      <div class="child-detail-wrapper" :class="{ 'child-detail-wrapper--open': expanded }">
+        <div class="child-detail-inner">
+          <p v-if="child.detail" class="child-detail">{{ child.detail }}</p>
+          <p v-else class="child-detail child-detail--empty">暂无详情</p>
+
+          <!-- 操作按钮 -->
+          <div class="child-actions" @click.stop>
+            <button class="child-action-btn child-action-btn--edit" @click="emit('edit')">
+              <svg width="12" height="12" viewBox="0 0 14 14" fill="none">
+                <path d="M10.5 1.5l2 2-8 8H2.5v-2l8-8z" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" />
+              </svg>
+              编辑
+            </button>
+            <button class="child-action-btn child-action-btn--delete" @click="emit('delete')">
+              <svg width="12" height="12" viewBox="0 0 14 14" fill="none">
+                <path d="M2 4h10M5 4V2.5h4V4M3.5 4v8h7V4" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" />
+              </svg>
+              删除
+            </button>
+          </div>
+        </div>
+      </div>
+
+      <!-- 展开箭头 -->
+      <div class="child-expand-hint">
+        <svg
+          class="child-chevron"
+          :class="{ 'child-chevron--open': expanded }"
+          width="10"
+          height="10"
+          viewBox="0 0 12 12"
+          fill="none"
+        >
+          <path d="M3 4.5l3 3 3-3" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" />
+        </svg>
+      </div>
+    </div>
+  </div>
+</template>
+
+<style scoped>
+.child-node {
+  position: relative;
+  display: flex;
+  align-items: flex-start;
+  gap: var(--space-md);
+  padding: var(--space-md) var(--space-lg);
+  background: var(--paper-100);
+  border: 1px solid var(--paper-200);
+  border-radius: var(--radius-md);
+  cursor: pointer;
+  transition:
+    transform var(--duration-fast) ease,
+    box-shadow var(--duration-fast) ease,
+    border-color var(--duration-fast) ease;
+  animation: childFadeInUp var(--duration-normal) var(--ease-out-smooth) both;
+  animation-delay: var(--child-delay);
+}
+
+.child-node:hover {
+  transform: translateY(-2px);
+  box-shadow: 0 2px 12px rgba(91, 140, 90, 0.1);
+  border-color: var(--bamboo);
+}
+
+.child-node--expanded {
+  border-color: var(--bamboo);
+  border-left-width: 3px;
+  background: var(--paper-50);
+  box-shadow: 0 2px 12px rgba(91, 140, 90, 0.08);
+}
+
+/* 左侧竹青圆点 */
+.child-dot {
+  width: 8px;
+  height: 8px;
+  border-radius: 50%;
+  background: var(--bamboo);
+  flex-shrink: 0;
+  margin-top: 6px;
+  opacity: 0.7;
+  transition: all var(--duration-fast) ease;
+}
+
+.child-node:hover .child-dot,
+.child-node--expanded .child-dot {
+  opacity: 1;
+  transform: scale(1.2);
+}
+
+/* 内容区 */
+.child-content {
+  flex: 1;
+  min-width: 0;
+}
+
+.child-summary {
+  font-family: var(--font-display);
+  font-size: 0.9rem;
+  font-weight: 600;
+  color: var(--ink-800);
+  line-height: 1.5;
+}
+
+/* 详情展开区 */
+.child-detail-wrapper {
+  display: grid;
+  grid-template-rows: 0fr;
+  transition: grid-template-rows var(--duration-normal) var(--ease-out-smooth);
+  overflow: hidden;
+}
+
+.child-detail-wrapper--open {
+  grid-template-rows: 1fr;
+}
+
+.child-detail-inner {
+  min-height: 0;
+  overflow: hidden;
+}
+
+.child-detail {
+  margin-top: var(--space-sm);
+  padding-top: var(--space-sm);
+  border-top: 1px dashed rgba(91, 140, 90, 0.25);
+  font-size: 0.82rem;
+  color: var(--ink-500);
+  line-height: 1.7;
+}
+
+.child-detail--empty {
+  font-style: italic;
+  color: var(--ink-300);
+}
+
+/* 操作按钮 */
+.child-actions {
+  display: flex;
+  gap: var(--space-xs);
+  margin-top: var(--space-sm);
+}
+
+.child-action-btn {
+  display: flex;
+  align-items: center;
+  gap: 3px;
+  padding: 2px 8px;
+  background: none;
+  border: 1px solid var(--paper-200);
+  border-radius: var(--radius-sm);
+  font-size: 0.72rem;
+  cursor: pointer;
+  transition: all var(--duration-fast) ease;
+  font-family: var(--font-body);
+}
+
+.child-action-btn--edit {
+  color: var(--bamboo);
+}
+
+.child-action-btn--edit:hover {
+  background: rgba(91, 140, 90, 0.08);
+  border-color: var(--bamboo);
+}
+
+.child-action-btn--delete {
+  color: var(--danger);
+}
+
+.child-action-btn--delete:hover {
+  background: var(--danger-ghost);
+  border-color: var(--danger);
+}
+
+/* 展开箭头 */
+.child-expand-hint {
+  display: flex;
+  justify-content: center;
+  margin-top: 4px;
+  color: var(--ink-300);
+}
+
+.child-chevron {
+  transition: transform var(--duration-normal) var(--ease-out-back);
+}
+
+.child-chevron--open {
+  transform: rotate(180deg);
+}
+
+@keyframes childFadeInUp {
+  from {
+    opacity: 0;
+    transform: translateY(8px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+</style>
--- a/frontend/src/components/outline/OutlineFormModal.vue
+++ b/frontend/src/components/outline/OutlineFormModal.vue
@@ -10,6 +10,7 @@ const props = defineProps<{
  show: boolean
  outline: Outline | null
  saving: boolean
+  parentId?: number | null
 }>()

 const emit = defineEmits<{
@@ -21,7 +22,11 @@ const summary = ref('')
 const detail = ref('')

 const isEdit = computed(() => !!props.outline)
-const title = computed(() => isEdit.value ? '编辑大纲' : '新建大纲')
+const isChild = computed(() => !!props.parentId)
+const title = computed(() => {
+  if (isEdit.value) return isChild.value ? '编辑子节点' : '编辑大纲'
+  return isChild.value ? '新建子节点' : '新建大纲'
+})

 const detailLength = computed(() => detail.value.length)
 const detailHint = computed(() => {
@@ -42,17 +47,24 @@ watch(() => props.show, (val) => {

 function handleSubmit() {
  if (!canSubmit.value) return
-  emit('submit', {
+  const data: OutlineCreate | OutlineUpdate = {
    summary: summary.value.trim(),
    detail: detail.value.trim(),
-  })
+  }
+  // 新建子节点时附带 parent_id
+  if (!isEdit.value && props.parentId) {
+    (data as OutlineCreate).parent_id = props.parentId
+  }
+  emit('submit', data)
 }
 </script>

 <template>
  <BaseModal :show="show" @close="emit('close')">
    <form class="outline-form" @submit.prevent="handleSubmit">
-      <h2 class="form-title">{{ title }}</h2>
+      <h2 class="form-title" :class="{ 'form-title--child': isChild }">
+        {{ title }}
+      </h2>

      <BaseInput
        v-model="summary"
@@ -98,6 +110,10 @@ function handleSubmit() {
  color: var(--ink-900);
 }

+.form-title--child {
+  color: var(--bamboo);
+}
+
 .detail-field {
  position: relative;
 }
--- a/frontend/src/components/outline/OutlineNode.vue
+++ b/frontend/src/components/outline/OutlineNode.vue
@@ -1,6 +1,7 @@
 <script setup lang="ts">
-import { ref } from 'vue'
+import { ref, computed, watch } from 'vue'
 import type { Outline } from '@/types/outline'
+import OutlineChildList from './OutlineChildList.vue'

 const props = defineProps<{
  outline: Outline
@@ -10,77 +11,146 @@ const props = defineProps<{
 const emit = defineEmits<{
  edit: []
  delete: []
+  addChild: []
+  editChild: [child: Outline]
+  deleteChild: [child: Outline]
+  reorderChildren: [children: Outline[]]
 }>()

 const expanded = ref(false)
+const childrenExpanded = ref(false)
+
+const childCount = computed(() => props.outline.children?.length ?? 0)
+const hasChildren = computed(() => childCount.value > 0)
+
+// 子节点从无变有时自动展开（如 AI 创建了子节点）
+watch(hasChildren, (val, oldVal) => {
+  if (val && !oldVal) childrenExpanded.value = true
+})

 function toggle() {
  expanded.value = !expanded.value
 }
+
+function toggleChildren(e: Event) {
+  e.stopPropagation()
+  childrenExpanded.value = !childrenExpanded.value
+}
 </script>

 <template>
-  <div
-    class="outline-node"
-    :class="{ 'outline-node--expanded': expanded }"
-    @click="toggle"
-  >
-    <!-- 拖拽手柄 -->
-    <div class="node-drag-handle" @click.stop>
-      <svg width="12" height="16" viewBox="0 0 12 16" fill="none">
-        <circle cx="3" cy="2" r="1.5" fill="currentColor" />
-        <circle cx="9" cy="2" r="1.5" fill="currentColor" />
-        <circle cx="3" cy="8" r="1.5" fill="currentColor" />
-        <circle cx="9" cy="8" r="1.5" fill="currentColor" />
-        <circle cx="3" cy="14" r="1.5" fill="currentColor" />
-        <circle cx="9" cy="14" r="1.5" fill="currentColor" />
-      </svg>
-    </div>
+  <div class="outline-node-wrapper">
+    <div
+      class="outline-node"
+      :class="{
+        'outline-node--expanded': expanded,
+        'outline-node--has-children': hasChildren,
+        'outline-node--children-open': childrenExpanded,
+      }"
+      @click="toggle"
+    >
+      <!-- 拖拽手柄 -->
+      <div class="node-drag-handle" @click.stop>
+        <svg width="12" height="16" viewBox="0 0 12 16" fill="none">
+          <circle cx="3" cy="2" r="1.5" fill="currentColor" />
+          <circle cx="9" cy="2" r="1.5" fill="currentColor" />
+          <circle cx="3" cy="8" r="1.5" fill="currentColor" />
+          <circle cx="9" cy="8" r="1.5" fill="currentColor" />
+          <circle cx="3" cy="14" r="1.5" fill="currentColor" />
+          <circle cx="9" cy="14" r="1.5" fill="currentColor" />
+        </svg>
+      </div>

-    <!-- 概要 -->
-    <h3 class="node-summary">{{ outline.summary }}</h3>
+      <!-- 子节点数量角标 -->
+      <div v-if="hasChildren" class="child-badge" @click="toggleChildren">
+        <span class="child-badge-count">{{ childCount }}</span>
+      </div>

-    <!-- 详情（可展开） -->
-    <div class="node-detail-wrapper" :class="{ 'node-detail-wrapper--open': expanded }">
-      <div class="node-detail-inner">
-        <p v-if="outline.detail" class="node-detail">{{ outline.detail }}</p>
-        <p v-else class="node-detail node-detail--empty">暂无详情，点击编辑添加</p>
+      <!-- 概要 -->
+      <div class="node-summary-row">
+        <h3 class="node-summary">{{ outline.summary }}</h3>
+        <!-- 子节点展开/折叠切换 -->
+        <button
+          v-if="hasChildren"
+          class="children-toggle"
+          :class="{ 'children-toggle--open': childrenExpanded }"
+          :title="childrenExpanded ? '折叠子节点' : '展开子节点'"
+          @click="toggleChildren"
+        >
+          <svg width="14" height="14" viewBox="0 0 14 14" fill="none">
+            <path d="M4.5 3l5 4-5 4" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" />
+          </svg>
+          <span class="children-toggle-label">{{ childCount }} 个子节点</span>
+        </button>
+      </div>

-        <!-- 操作按钮 -->
-        <div class="node-actions" @click.stop>
-          <button class="action-btn action-btn--edit" @click="emit('edit')">
-            <svg width="14" height="14" viewBox="0 0 14 14" fill="none">
-              <path d="M10.5 1.5l2 2-8 8H2.5v-2l8-8z" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" />
-            </svg>
-            编辑
-          </button>
-          <button class="action-btn action-btn--delete" @click="emit('delete')">
-            <svg width="14" height="14" viewBox="0 0 14 14" fill="none">
-              <path d="M2 4h10M5 4V2.5h4V4M3.5 4v8h7V4" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" />
-            </svg>
-            删除
-          </button>
+      <!-- 详情（可展开） -->
+      <div class="node-detail-wrapper" :class="{ 'node-detail-wrapper--open': expanded }">
+        <div class="node-detail-inner">
+          <p v-if="outline.detail" class="node-detail">{{ outline.detail }}</p>
+          <p v-else class="node-detail node-detail--empty">暂无详情，点击编辑添加</p>
+
+          <!-- 操作按钮 -->
+          <div class="node-actions" @click.stop>
+            <button class="action-btn action-btn--edit" @click="emit('edit')">
+              <svg width="14" height="14" viewBox="0 0 14 14" fill="none">
+                <path d="M10.5 1.5l2 2-8 8H2.5v-2l8-8z" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" />
+              </svg>
+              编辑
+            </button>
+            <button class="action-btn action-btn--child" @click="emit('addChild')">
+              <svg width="14" height="14" viewBox="0 0 14 14" fill="none">
+                <path d="M7 3v8M3 7h8" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" />
+              </svg>
+              子节点
+            </button>
+            <button class="action-btn action-btn--delete" @click="emit('delete')">
+              <svg width="14" height="14" viewBox="0 0 14 14" fill="none">
+                <path d="M2 4h10M5 4V2.5h4V4M3.5 4v8h7V4" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" />
+              </svg>
+              删除
+            </button>
+          </div>
        </div>
      </div>
+
+      <!-- 展开提示 -->
+      <div class="node-expand-hint">
+        <svg
+          class="expand-chevron"
+          :class="{ 'expand-chevron--open': expanded }"
+          width="12"
+          height="12"
+          viewBox="0 0 12 12"
+          fill="none"
+        >
+          <path d="M3 4.5l3 3 3-3" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" />
+        </svg>
+      </div>
    </div>

-    <!-- 展开提示 -->
-    <div class="node-expand-hint">
-      <svg
-        class="expand-chevron"
-        :class="{ 'expand-chevron--open': expanded }"
-        width="12"
-        height="12"
-        viewBox="0 0 12 12"
-        fill="none"
-      >
-        <path d="M3 4.5l3 3 3-3" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" />
-      </svg>
-    </div>
+    <!-- 子节点展开引导三角 -->
+    <div v-if="childrenExpanded" class="children-arrow" />
+
+    <!-- 子节点区域 -->
+    <OutlineChildList
+      v-if="hasChildren || childrenExpanded"
+      :children="outline.children || []"
+      :expanded="childrenExpanded"
+      @add-child="emit('addChild')"
+      @edit-child="(child) => emit('editChild', child)"
+      @delete-child="(child) => emit('deleteChild', child)"
+      @reorder-children="(children) => emit('reorderChildren', children)"
+    />
  </div>
 </template>

 <style scoped>
+.outline-node-wrapper {
+  display: flex;
+  flex-direction: column;
+}
+
 .outline-node {
  position: relative;
  background: var(--paper-50);
@@ -107,6 +177,33 @@ function toggle() {
  border-left-width: 3px;
 }

+.outline-node--children-open {
+  border-bottom-left-radius: 0;
+  border-bottom-right-radius: 0;
+}
+
+/* 子节点展开引导三角 */
+.children-arrow {
+  width: 12px;
+  height: 8px;
+  margin: 0 auto;
+  position: relative;
+  z-index: 2;
+}
+
+.children-arrow::before {
+  content: '';
+  position: absolute;
+  left: 0;
+  right: 0;
+  top: 0;
+  height: 0;
+  border-left: 6px solid transparent;
+  border-right: 6px solid transparent;
+  border-top: 8px solid var(--bamboo);
+  opacity: 0.6;
+}
+
 /* 拖拽手柄 */
 .node-drag-handle {
  position: absolute;
@@ -127,6 +224,44 @@ function toggle() {
  cursor: grabbing;
 }

+/* 子节点数量角标 */
+.child-badge {
+  position: absolute;
+  top: -6px;
+  right: var(--space-xl);
+  min-width: 20px;
+  height: 20px;
+  padding: 0 6px;
+  border-radius: 10px;
+  background: var(--bamboo);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  cursor: pointer;
+  transition: transform var(--duration-fast) var(--ease-out-back);
+  z-index: 4;
+  box-shadow: 0 1px 4px rgba(91, 140, 90, 0.3);
+}
+
+.child-badge:hover {
+  transform: scale(1.15);
+}
+
+.child-badge-count {
+  font-family: var(--font-display);
+  font-size: 0.68rem;
+  font-weight: 700;
+  color: white;
+  line-height: 1;
+}
+
+/* 概要行 */
+.node-summary-row {
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+}
+
 /* 概要标题 */
 .node-summary {
  font-family: var(--font-display);
@@ -137,6 +272,41 @@ function toggle() {
  padding-right: var(--space-lg);
 }

+/* 子节点展开/折叠切换 */
+.children-toggle {
+  display: inline-flex;
+  align-items: center;
+  gap: 3px;
+  padding: 2px 8px;
+  background: rgba(91, 140, 90, 0.06);
+  border: 1px solid rgba(91, 140, 90, 0.2);
+  border-radius: 12px;
+  color: var(--bamboo);
+  font-size: 0.72rem;
+  font-family: var(--font-display);
+  cursor: pointer;
+  transition: all var(--duration-fast) ease;
+  width: fit-content;
+}
+
+.children-toggle:hover {
+  background: rgba(91, 140, 90, 0.12);
+  border-color: var(--bamboo);
+}
+
+.children-toggle svg {
+  transition: transform var(--duration-normal) var(--ease-out-back);
+  flex-shrink: 0;
+}
+
+.children-toggle--open svg {
+  transform: rotate(90deg);
+}
+
+.children-toggle-label {
+  white-space: nowrap;
+}
+
 /* 详情展开区 */
 .node-detail-wrapper {
  display: grid;
@@ -199,6 +369,15 @@ function toggle() {
  border-color: var(--bamboo);
 }

+.action-btn--child {
+  color: var(--bamboo);
+}
+
+.action-btn--child:hover {
+  background: rgba(91, 140, 90, 0.08);
+  border-color: var(--bamboo);
+}
+
 .action-btn--delete {
  color: var(--danger);
 }
--- a/frontend/src/components/outline/OutlineTimeline.vue
+++ b/frontend/src/components/outline/OutlineTimeline.vue
@@ -12,6 +12,10 @@ const emit = defineEmits<{
  delete: [outline: Outline]
  reorder: [outlines: Outline[]]
  add: []
+  addChild: [parent: Outline]
+  editChild: [child: Outline]
+  deleteChild: [child: Outline]
+  reorderChildren: [parentId: number, children: Outline[]]
 }>()

 // 拖拽排序
@@ -69,13 +73,17 @@ function onDragEnd() {
      <!-- 连接横线 -->
      <div class="timeline-bridge" />

-      <!-- 节点卡片 -->
+      <!-- 节点卡片（含子节点） -->
      <div class="timeline-card">
        <OutlineNode
          :outline="outline"
          :index="index"
          @edit="emit('edit', outline)"
          @delete="emit('delete', outline)"
+          @add-child="emit('addChild', outline)"
+          @edit-child="(child) => emit('editChild', child)"
+          @delete-child="(child) => emit('deleteChild', child)"
+          @reorder-children="(children) => emit('reorderChildren', outline.id, children)"
        />
      </div>
    </div>
--- a/frontend/src/composables/useChatAgent.ts
+++ b/frontend/src/composables/useChatAgent.ts
@@ -1,18 +1,108 @@
-import { ref, computed } from 'vue'
+import { ref, computed, watch } from 'vue'
 import { useRoute } from 'vue-router'
-import { streamChat, fetchMessages, clearMessages as apiClearMessages } from '@/api/chat'
-import type { ChatMessage, ChatEntry, ToolCallGroup, ToolCallEntry } from '@/types/chat'
+import { streamChat, fetchMessages, clearMessages as apiClearMessages, compressContext } from '@/api/chat'
+import type { ChatMessage, ChatEntry, ToolCallGroup } from '@/types/chat'
 import type { TokenUsage, PendingToolCallData } from '@/api/chat'

+// 中文标签 → 英文工具名（用于解析历史消息中的工具调用日志）
+const LABEL_TO_TOOL_NAME: Record<string, string> = {
+  '查看小说信息': 'get_novel_info',
+  '更新小说信息': 'update_novel_info',
+  '查询大纲': 'list_outlines',
+  '创建大纲': 'create_outline',
+  '更新大纲': 'update_outline',
+  '删除大纲': 'delete_outline',
+  '调整大纲排序': 'reorder_outlines',
+  '查询世界观': 'get_world_setting',
+  '保存世界观': 'save_world_setting',
+  '查询角色': 'list_characters',
+  '创建角色': 'create_character',
+  '更新角色': 'update_character',
+  '删除角色': 'delete_character',
+  '查询章节': 'list_chapters',
+  '创建章节': 'create_chapter',
+  '更新章节': 'update_chapter',
+  '删除章节': 'delete_chapter',
+}
+
+/**
+ * 解析历史 assistant 消息中的工具调用日志，拆分为 ToolCallGroup + 纯文本消息
+ * 格式：[以下操作已执行]\n[工具调用: 标签] 参数: {...} → 结果: {...}\n\n回复文本
+ */
+function parseHistoryMessage(msg: ChatMessage): ChatEntry[] {
+  const content = msg.content
+  if (!content.startsWith('[以下操作已执行]')) {
+    return [msg]
+  }
+
+  const entries: ChatEntry[] = []
+  // 用双换行分隔工具调用块和后续回复
+  const firstBlankLine = content.indexOf('\n\n')
+  const toolSection = firstBlankLine >= 0 ? content.substring(0, firstBlankLine) : content
+  const replyText = firstBlankLine >= 0 ? content.substring(firstBlankLine + 2).trim() : ''
+
+  // 解析工具调用行
+  const toolLines = toolSection.split('\n').slice(1) // 跳过 [以下操作已执行]
+  const calls = toolLines
+    .map(line => {
+      const match = line.match(/^\[工具调用: (.+?)\] 参数: (.+?) → 结果: (.+)$/)
+      if (!match) return null
+      const label = match[1]
+      const name = LABEL_TO_TOOL_NAME[label] || label
+      let args: Record<string, unknown> = {}
+      try { args = JSON.parse(match[2]) } catch { /* ok */ }
+      const resultStr = match[3]
+      let parsedResult: unknown = undefined
+      try { parsedResult = JSON.parse(resultStr) } catch { /* ok */ }
+      return {
+        id: `hist-${idCounter++}`,
+        name,
+        label,
+        arguments: args,
+        result: resultStr,
+        parsedResult,
+      }
+    })
+    .filter(Boolean) as ToolCallGroup['calls']
+
+  if (calls.length > 0) {
+    entries.push({
+      id: idCounter++,
+      type: 'tool_calls',
+      calls,
+      status: 'done',
+      assistantText: '',
+    } as ToolCallGroup)
+  }
+
+  if (replyText) {
+    entries.push({
+      ...msg,
+      content: replyText,
+    })
+  }
+
+  return entries
+}
+
 // 全局状态（跨组件共享）
 const entries = ref<ChatEntry[]>([])
 const isStreaming = ref(false)
 const streamingContent = ref('')
 const lastUsage = ref<TokenUsage | null>(null)
 const toolsEnabled = ref(true)
+const autoApproveTools = ref(false)
+const isCompressing = ref(false)
 let abortController: AbortController | null = null
 let idCounter = Date.now()

+// 上下文窗口大小（默认 128k，后续可从配置读取）
+const DEFAULT_CONTEXT_WINDOW = 128000
+// 自动压缩阈值
+const AUTO_COMPRESS_THRESHOLD = 0.85
+// 当前已加载历史的小说 ID（用于检测切换）
+let loadedNovelId: number | undefined | null = null
+
 // 路由名称 → 页面上下文描述
 const PAGE_LABELS: Record<string, string> = {
  'novel-detail': '小说详情页',
@@ -42,14 +132,40 @@ export function useChatAgent() {
  )

  async function loadHistory(novelId?: number) {
+    const targetId = novelId ?? currentNovelId.value
    try {
-      const list = await fetchMessages(novelId ?? currentNovelId.value)
-      entries.value = list.items as ChatEntry[]
+      const list = await fetchMessages(targetId)
+      // 解析 assistant 消息中的工具调用日志，还原为 ToolCallGroup 卡片
+      const parsed: ChatEntry[] = []
+      for (const msg of list.items) {
+        if (msg.role === 'assistant') {
+          parsed.push(...parseHistoryMessage(msg))
+        } else {
+          parsed.push(msg)
+        }
+      }
+      entries.value = parsed
+      loadedNovelId = targetId
+      lastUsage.value = null
    } catch {
      // 静默
    }
  }

+  // 监听小说切换，自动重新加载对应小说的聊天历史
+  watch(currentNovelId, (newId) => {
+    if (newId !== loadedNovelId) {
+      // 如果正在流式输出，先中断
+      if (isStreaming.value && abortController) {
+        abortController.abort()
+        abortController = null
+        isStreaming.value = false
+        streamingContent.value = ''
+      }
+      loadHistory(newId)
+    }
+  })
+
  async function sendMessage(content: string) {
    if (isStreaming.value || !content.trim()) return
    const novelId = currentNovelId.value
@@ -111,6 +227,7 @@ export function useChatAgent() {
      novelId,
      pageContext: pageContext.value,
      toolsEnabled: toolsEnabled.value,
+      autoApproveTools: autoApproveTools.value,
      pendingToolCalls,
      assistantText,
      signal: abortController.signal,
@@ -144,10 +261,28 @@ export function useChatAgent() {
        entries.value.push(group)
      },

+      onToolCallsAuto(calls: PendingToolCallData[]) {
+        // 自动执行模式：直接创建工具调用组，状态为 executing
+        streamingContent.value = ''
+        const group: ToolCallGroup = {
+          id: idCounter++,
+          type: 'tool_calls',
+          calls: calls.map(c => ({
+            id: c.id,
+            name: c.name,
+            label: c.label,
+            arguments: c.arguments,
+          })),
+          status: 'executing',
+          assistantText: '',
+        }
+        entries.value.push(group)
+      },
+
      onToolResult(info) {
        // 找到正在执行的工具组，更新对应工具的结果
        const group = [...entries.value].reverse().find(
-          (e): e is ToolCallGroup => 'type' in e && e.type === 'tool_calls' && e.status === 'executing'
+          (e): e is ToolCallGroup => 'type' in e && e.type === 'tool_calls' && (e.status === 'executing' || e.status === 'done')
        )
        if (group) {
          const call = group.calls.find(c => c.name === info.name)
@@ -160,6 +295,10 @@ export function useChatAgent() {
            group.status = 'done'
          }
        }
+        // 通知页面组件刷新数据
+        window.dispatchEvent(new CustomEvent('tool-executed', {
+          detail: { name: info.name },
+        }))
      },

      onError(error) {
@@ -177,8 +316,6 @@ export function useChatAgent() {
          lastUsage.value = usage
        }
        if (pending) {
-          // 工具调用待审批，保持 isStreaming 状态让 UI 知道对话还没结束
-          // 但不再显示加载指示
          isStreaming.value = false
          return
        }
@@ -195,6 +332,14 @@ export function useChatAgent() {
        streamingContent.value = ''
        isStreaming.value = false
        abortController = null
+
+        // 自动压缩检测：超过 85% 上下文窗口时触发
+        if (usage) {
+          const total = usage.total_tokens || (usage.prompt_tokens + usage.completion_tokens)
+          if (total > DEFAULT_CONTEXT_WINDOW * AUTO_COMPRESS_THRESHOLD) {
+            compressChat()
+          }
+        }
      },
    })
  }
@@ -217,12 +362,41 @@ export function useChatAgent() {
    lastUsage.value = null
  }

+  /** 压缩上下文：总结旧消息，保留最近两轮对话 */
+  async function compressChat(): Promise<{ success: boolean; message: string }> {
+    if (isCompressing.value || isStreaming.value) {
+      return { success: false, message: '请等待当前操作完成' }
+    }
+    isCompressing.value = true
+    try {
+      const result = await compressContext(currentNovelId.value)
+      if (result.error) {
+        return { success: false, message: result.error }
+      }
+      if (!result.compressed) {
+        return { success: false, message: result.reason || '无需压缩' }
+      }
+      // 压缩成功，重新加载历史
+      await loadHistory()
+      return {
+        success: true,
+        message: `已压缩 ${result.removed_count} 条消息为摘要`,
+      }
+    } catch {
+      return { success: false, message: '压缩请求失败' }
+    } finally {
+      isCompressing.value = false
+    }
+  }
+
  return {
    entries,
    isStreaming,
+    isCompressing,
    streamingContent,
    lastUsage,
    toolsEnabled,
+    autoApproveTools,
    currentNovelId,
    pageContext,
    loadHistory,
@@ -231,5 +405,6 @@ export function useChatAgent() {
    skipToolCalls,
    stopStreaming,
    clearChat,
+    compressChat,
  }
 }
--- a/frontend/src/composables/useToolRefresh.ts
+++ b/frontend/src/composables/useToolRefresh.ts
@@ -0,0 +1,23 @@
+import { onMounted, onUnmounted } from 'vue'
+
+/**
+ * 监听 AI 工具执行事件，当匹配的工具完成时自动刷新数据
+ * @param toolNames 需要监听的工具名列表
+ * @param refresh 刷新回调
+ */
+export function useToolRefresh(toolNames: string[], refresh: () => void) {
+  function handler(e: Event) {
+    const name = (e as CustomEvent).detail?.name
+    if (toolNames.includes(name)) {
+      refresh()
+    }
+  }
+
+  onMounted(() => {
+    window.addEventListener('tool-executed', handler)
+  })
+
+  onUnmounted(() => {
+    window.removeEventListener('tool-executed', handler)
+  })
+}
--- a/frontend/src/router/index.ts
+++ b/frontend/src/router/index.ts
@@ -23,25 +23,32 @@ const router = createRouter({
      name: 'novel-edit',
      component: () => import('@/views/NovelFormView.vue'),
    },
+    // 工作区：大纲/章节/角色/世界观共享父布局（导航栏持久化）
    {
-      path: '/novels/:id/outlines',
-      name: 'novel-outlines',
-      component: () => import('@/views/OutlineView.vue'),
-    },
-    {
-      path: '/novels/:id/chapters',
-      name: 'novel-chapters',
-      component: () => import('@/views/ChapterView.vue'),
-    },
-    {
-      path: '/novels/:id/characters',
-      name: 'novel-characters',
-      component: () => import('@/views/CharacterView.vue'),
-    },
-    {
-      path: '/novels/:id/world-setting',
-      name: 'novel-world-setting',
-      component: () => import('@/views/WorldSettingView.vue'),
+      path: '/novels/:id',
+      component: () => import('@/views/NovelWorkspace.vue'),
+      children: [
+        {
+          path: 'outlines',
+          name: 'novel-outlines',
+          component: () => import('@/views/OutlineView.vue'),
+        },
+        {
+          path: 'chapters',
+          name: 'novel-chapters',
+          component: () => import('@/views/ChapterView.vue'),
+        },
+        {
+          path: 'characters',
+          name: 'novel-characters',
+          component: () => import('@/views/CharacterView.vue'),
+        },
+        {
+          path: 'world-setting',
+          name: 'novel-world-setting',
+          component: () => import('@/views/WorldSettingView.vue'),
+        },
+      ],
    },
  ],
 })
--- a/frontend/src/types/outline.ts
+++ b/frontend/src/types/outline.ts
@@ -1,9 +1,11 @@
 export interface Outline {
  id: number
  novel_id: number
+  parent_id: number | null
  sort_order: number
  summary: string
  detail: string
+  children: Outline[]
  created_at: string
  updated_at: string
 }
@@ -11,6 +13,7 @@ export interface Outline {
 export interface OutlineCreate {
  summary: string
  detail?: string
+  parent_id?: number
 }

 export interface OutlineUpdate {
--- a/frontend/src/views/ChapterView.vue
+++ b/frontend/src/views/ChapterView.vue
@@ -1,9 +1,9 @@
 <script setup lang="ts">
-import { ref, onMounted, computed } from 'vue'
+import { ref, inject, onMounted, computed, watchEffect } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
-import { fetchNovel } from '@/api/novels'
 import { fetchChapters, createChapter, updateChapter, deleteChapter, reorderChapters } from '@/api/chapters'
 import { useToast } from '@/composables/useToast'
+import { useToolRefresh } from '@/composables/useToolRefresh'
 import type { Novel } from '@/types/novel'
 import type { Chapter } from '@/types/chapter'
 import BaseButton from '@/components/ui/BaseButton.vue'
@@ -17,8 +17,9 @@ const route = useRoute()
 const router = useRouter()
 const toast = useToast()

-const novelId = Number(route.params.id)
-const novel = ref<Novel | null>(null)
+const novelId = inject<number>('workspace-novel-id', Number(route.params.id))
+const novel = inject<import('vue').Ref<Novel | null>>('workspace-novel', ref(null))
+const subtitle = inject<import('vue').Ref<string>>('workspace-subtitle', ref(''))
 const chapters = ref<Chapter[]>([])
 const loading = ref(true)

@@ -40,15 +41,19 @@ const deleting = ref(false)

 const totalChapters = computed(() => chapters.value.length)

+watchEffect(() => {
+  subtitle.value = `共 ${totalChapters.value} 章`
+})
+
 async function load() {
  loading.value = true
  try {
-    const [n, list] = await Promise.all([
-      fetchNovel(novelId),
-      fetchChapters(novelId),
-    ])
-    novel.value = n
+    const list = await fetchChapters(novelId)
    chapters.value = list.items
+    // 默认展开最后一章
+    if (chapters.value.length > 0 && !activeChapter.value) {
+      activeChapter.value = chapters.value[chapters.value.length - 1]
+    }
  } catch {
    toast.error('加载失败')
    router.push({ name: 'home' })
@@ -57,6 +62,9 @@ async function load() {
  }
 }

+// AI 工具执行后自动刷新章节数据
+useToolRefresh(['list_chapters', 'create_chapter', 'update_chapter', 'delete_chapter'], load)
+
 function openCreate() {
  editingChapter.value = null
  showForm.value = true
@@ -155,19 +163,12 @@ onMounted(load)
 </script>

 <template>
-  <div v-if="!loading && novel" class="chapter-view">
-    <div class="chapter-header">
-      <BaseButton variant="ghost" @click="router.push({ name: 'novel-detail', params: { id: novelId } })">
-        &larr; 返回
-      </BaseButton>
-      <div class="header-center">
-        <h1 class="chapter-title">{{ novel.title }}</h1>
-        <p class="chapter-subtitle">章节管理 · 共 {{ totalChapters }} 章</p>
-      </div>
+  <div v-if="!loading" class="chapter-view">
+    <Teleport to="#workspace-actions">
      <BaseButton v-if="totalChapters > 0" variant="primary" @click="openCreate">
        新建章节
      </BaseButton>
-    </div>
+    </Teleport>

    <template v-if="totalChapters > 0">
      <!-- 双栏布局 -->
@@ -231,36 +232,7 @@ onMounted(load)

 <style scoped>
 .chapter-view {
-  max-width: 1100px;
-  margin: 0 auto;
-  animation: fadeInUp var(--duration-normal) var(--ease-out-smooth) both;
-}
-
-.chapter-header {
-  display: flex;
-  align-items: flex-start;
-  justify-content: space-between;
-  gap: var(--space-md);
-  margin-bottom: var(--space-2xl);
-}
-
-.header-center {
-  flex: 1;
-  text-align: center;
-}
-
-.chapter-title {
-  font-family: var(--font-display);
-  font-size: 1.8rem;
-  font-weight: 700;
-  color: var(--ink-900);
-  line-height: 1.3;
-}
-
-.chapter-subtitle {
-  font-size: 0.85rem;
-  color: var(--ink-400);
-  margin-top: var(--space-xs);
+  /* max-width 由父 NovelWorkspace 控制 */
 }

 /* 双栏布局 */
--- a/frontend/src/views/CharacterView.vue
+++ b/frontend/src/views/CharacterView.vue
@@ -1,9 +1,9 @@
 <script setup lang="ts">
-import { ref, onMounted, computed } from 'vue'
+import { ref, inject, onMounted, computed, watchEffect } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
-import { fetchNovel } from '@/api/novels'
 import { fetchCharacters, createCharacter, updateCharacter, deleteCharacter } from '@/api/characters'
 import { useToast } from '@/composables/useToast'
+import { useToolRefresh } from '@/composables/useToolRefresh'
 import type { Novel } from '@/types/novel'
 import type { Character, CharacterCreate, CharacterUpdate } from '@/types/character'
 import BaseButton from '@/components/ui/BaseButton.vue'
@@ -16,8 +16,9 @@ const route = useRoute()
 const router = useRouter()
 const toast = useToast()

-const novelId = Number(route.params.id)
-const novel = ref<Novel | null>(null)
+const novelId = inject<number>('workspace-novel-id', Number(route.params.id))
+const novel = inject<import('vue').Ref<Novel | null>>('workspace-novel', ref(null))
+const subtitle = inject<import('vue').Ref<string>>('workspace-subtitle', ref(''))
 const characters = ref<Character[]>([])
 const loading = ref(true)

@@ -33,14 +34,14 @@ const deleting = ref(false)

 const totalCharacters = computed(() => characters.value.length)

+watchEffect(() => {
+  subtitle.value = `共 ${totalCharacters.value} 个角色`
+})
+
 async function load() {
  loading.value = true
  try {
-    const [n, list] = await Promise.all([
-      fetchNovel(novelId),
-      fetchCharacters(novelId),
-    ])
-    novel.value = n
+    const list = await fetchCharacters(novelId)
    characters.value = list.items
  } catch {
    toast.error('加载失败')
@@ -50,6 +51,9 @@ async function load() {
  }
 }

+// AI 工具执行后自动刷新角色数据
+useToolRefresh(['list_characters', 'create_character', 'update_character', 'delete_character'], load)
+
 function openCreate() {
  editingCharacter.value = null
  showForm.value = true
@@ -105,19 +109,12 @@ onMounted(load)
 </script>

 <template>
-  <div v-if="!loading && novel" class="character-view">
-    <div class="character-header">
-      <BaseButton variant="ghost" @click="router.push({ name: 'novel-detail', params: { id: novelId } })">
-        &larr; 返回
-      </BaseButton>
-      <div class="header-center">
-        <h1 class="character-title">{{ novel.title }}</h1>
-        <p class="character-subtitle">角色管理 · 共 {{ totalCharacters }} 个角色</p>
-      </div>
+  <div v-if="!loading" class="character-view">
+    <Teleport to="#workspace-actions">
      <BaseButton v-if="totalCharacters > 0" variant="primary" @click="openCreate">
        添加角色
      </BaseButton>
-    </div>
+    </Teleport>

    <CharacterGrid
      v-if="totalCharacters > 0"
@@ -157,36 +154,7 @@ onMounted(load)

 <style scoped>
 .character-view {
-  max-width: 900px;
-  margin: 0 auto;
-  animation: fadeInUp var(--duration-normal) var(--ease-out-smooth) both;
-}
-
-.character-header {
-  display: flex;
-  align-items: flex-start;
-  justify-content: space-between;
-  gap: var(--space-md);
-  margin-bottom: var(--space-2xl);
-}
-
-.header-center {
-  flex: 1;
-  text-align: center;
-}
-
-.character-title {
-  font-family: var(--font-display);
-  font-size: 1.8rem;
-  font-weight: 700;
-  color: var(--ink-900);
-  line-height: 1.3;
-}
-
-.character-subtitle {
-  font-size: 0.85rem;
-  color: var(--ink-400);
-  margin-top: var(--space-xs);
+  /* max-width 由父 NovelWorkspace 控制 */
 }

 /* Loading */
--- a/frontend/src/views/NovelDetailView.vue
+++ b/frontend/src/views/NovelDetailView.vue
@@ -3,6 +3,7 @@ import { ref, onMounted } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
 import { fetchNovel, deleteNovel } from '@/api/novels'
 import { useToast } from '@/composables/useToast'
+import { useToolRefresh } from '@/composables/useToolRefresh'
 import type { Novel } from '@/types/novel'
 import BaseButton from '@/components/ui/BaseButton.vue'
 import ConfirmDialog from '@/components/ui/ConfirmDialog.vue'
@@ -18,6 +19,9 @@ const deleting = ref(false)

 const novelId = Number(route.params.id)

+// AI 工具执行后自动刷新小说详情
+useToolRefresh(['get_novel_info', 'update_novel_info'], load)
+
 async function load() {
  loading.value = true
  try {
--- a/frontend/src/views/NovelWorkspace.vue
+++ b/frontend/src/views/NovelWorkspace.vue
@@ -0,0 +1,91 @@
+<script setup lang="ts">
+import { ref, onMounted, provide } from 'vue'
+import { useRoute, useRouter } from 'vue-router'
+import { fetchNovel } from '@/api/novels'
+import { useToast } from '@/composables/useToast'
+import type { Novel } from '@/types/novel'
+import NovelSubNav from '@/components/novel/NovelSubNav.vue'
+
+const route = useRoute()
+const router = useRouter()
+const toast = useToast()
+
+const novelId = Number(route.params.id)
+const novel = ref<Novel | null>(null)
+const loading = ref(true)
+
+/** 子页面可设置的副标题（如 "共 5 个节点"） */
+const subtitle = ref('')
+
+async function load() {
+  loading.value = true
+  try {
+    novel.value = await fetchNovel(novelId)
+  } catch {
+    toast.error('作品不存在')
+    router.push({ name: 'home' })
+  } finally {
+    loading.value = false
+  }
+}
+
+// 提供给子路由
+provide('workspace-novel', novel)
+provide('workspace-novel-id', novelId)
+provide('workspace-subtitle', subtitle)
+
+onMounted(load)
+</script>
+
+<template>
+  <div v-if="!loading && novel" class="workspace">
+    <NovelSubNav
+      :novel-id="novelId"
+      :novel-title="novel.title"
+      :subtitle="subtitle"
+    >
+      <template #actions>
+        <!-- 子页面通过 Teleport 注入操作按钮 -->
+        <div id="workspace-actions" />
+      </template>
+    </NovelSubNav>
+
+    <div class="workspace-content">
+      <RouterView />
+    </div>
+  </div>
+
+  <div v-else-if="loading" class="workspace-loading">
+    <div class="loading-pulse" style="height: 1.5rem; width: 30%; margin-bottom: var(--space-md)" />
+    <div class="loading-pulse" style="height: 1rem; width: 60%; margin-bottom: var(--space-2xl)" />
+    <div class="loading-pulse" style="height: 20rem; width: 100%" />
+  </div>
+</template>
+
+<style scoped>
+.workspace {
+  max-width: 900px;
+  margin: 0 auto;
+}
+
+.workspace-content {
+  animation: fadeInUp var(--duration-normal) var(--ease-out-smooth) both;
+}
+
+.workspace-loading {
+  max-width: 900px;
+  margin: var(--space-3xl) auto;
+}
+
+.loading-pulse {
+  background: linear-gradient(
+    90deg,
+    var(--paper-100) 25%,
+    var(--paper-200) 50%,
+    var(--paper-100) 75%
+  );
+  background-size: 200% 100%;
+  border-radius: var(--radius-sm);
+  animation: shimmer 1.5s ease infinite;
+}
+</style>
--- a/frontend/src/views/OutlineView.vue
+++ b/frontend/src/views/OutlineView.vue
@@ -1,9 +1,9 @@
 <script setup lang="ts">
-import { ref, onMounted, computed } from 'vue'
+import { ref, inject, onMounted, computed, watchEffect } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
-import { fetchNovel } from '@/api/novels'
-import { fetchOutlines, createOutline, updateOutline, deleteOutline, reorderOutlines } from '@/api/outlines'
+import { fetchOutlines, createOutline, updateOutline, deleteOutline, reorderOutlines, reorderChildren as apiReorderChildren } from '@/api/outlines'
 import { useToast } from '@/composables/useToast'
+import { useToolRefresh } from '@/composables/useToolRefresh'
 import type { Novel } from '@/types/novel'
 import type { Outline, OutlineCreate, OutlineUpdate } from '@/types/outline'
 import BaseButton from '@/components/ui/BaseButton.vue'
@@ -16,31 +16,35 @@ const route = useRoute()
 const router = useRouter()
 const toast = useToast()

-const novelId = Number(route.params.id)
-const novel = ref<Novel | null>(null)
+const novelId = inject<number>('workspace-novel-id', Number(route.params.id))
+const novel = inject<import('vue').Ref<Novel | null>>('workspace-novel', ref(null))
+const subtitle = inject<import('vue').Ref<string>>('workspace-subtitle', ref(''))
 const outlines = ref<Outline[]>([])
 const loading = ref(true)

 // 表单弹窗
 const showForm = ref(false)
 const editingOutline = ref<Outline | null>(null)
+const formParentId = ref<number | null>(null)
 const formSaving = ref(false)

 // 删除确认
 const showDeleteConfirm = ref(false)
 const deletingOutline = ref<Outline | null>(null)
+const deletingIsChild = ref(false)
 const deleting = ref(false)

 const totalOutlines = computed(() => outlines.value.length)

+// 同步副标题到父布局
+watchEffect(() => {
+  subtitle.value = `共 ${totalOutlines.value} 个节点`
+})
+
 async function load() {
  loading.value = true
  try {
-    const [n, list] = await Promise.all([
-      fetchNovel(novelId),
-      fetchOutlines(novelId),
-    ])
-    novel.value = n
+    const list = await fetchOutlines(novelId)
    outlines.value = list.items
  } catch {
    toast.error('加载失败')
@@ -50,28 +54,54 @@ async function load() {
  }
 }

+// AI 工具执行后自动刷新大纲数据
+useToolRefresh(['list_outlines', 'create_outline', 'update_outline', 'delete_outline', 'reorder_outlines'], load)
+
+// ── 顶级节点操作 ──
+
 function openCreate() {
  editingOutline.value = null
+  formParentId.value = null
  showForm.value = true
 }

 function openEdit(outline: Outline) {
  editingOutline.value = outline
+  formParentId.value = null
  showForm.value = true
 }

+// ── 子节点操作 ──
+
+function openCreateChild(parent: Outline) {
+  editingOutline.value = null
+  formParentId.value = parent.id
+  showForm.value = true
+}
+
+function openEditChild(child: Outline) {
+  editingOutline.value = child
+  formParentId.value = child.parent_id
+  showForm.value = true
+}
+
+// ── 统一表单提交 ──
+
 async function handleFormSubmit(data: OutlineCreate | OutlineUpdate) {
  formSaving.value = true
  try {
    if (editingOutline.value) {
+      // 编辑（顶级 or 子节点都一样）
      const updated = await updateOutline(novelId, editingOutline.value.id, data as OutlineUpdate)
-      const idx = outlines.value.findIndex(o => o.id === updated.id)
-      if (idx !== -1) outlines.value[idx] = updated
-      toast.success('大纲已更新')
+      _replaceNode(updated)
+      toast.success('已更新')
    } else {
-      const created = await createOutline(novelId, data as OutlineCreate)
-      outlines.value.push(created)
-      toast.success('大纲已创建')
+      // 新建
+      await createOutline(novelId, data as OutlineCreate)
+      // 重新加载以获取完整嵌套结构
+      const list = await fetchOutlines(novelId)
+      outlines.value = list.items
+      toast.success(formParentId.value ? '子节点已创建' : '大纲已创建')
    }
    showForm.value = false
  } catch {
@@ -81,8 +111,38 @@ async function handleFormSubmit(data: OutlineCreate | OutlineUpdate) {
  }
 }

+/** 在 outlines 树中替换更新后的节点 */
+function _replaceNode(updated: Outline) {
+  // 尝试在顶级查找
+  const topIdx = outlines.value.findIndex(o => o.id === updated.id)
+  if (topIdx !== -1) {
+    // 保留 children
+    updated.children = outlines.value[topIdx].children || []
+    outlines.value[topIdx] = updated
+    return
+  }
+  // 在子节点中查找
+  for (const parent of outlines.value) {
+    if (!parent.children) continue
+    const childIdx = parent.children.findIndex(c => c.id === updated.id)
+    if (childIdx !== -1) {
+      parent.children[childIdx] = updated
+      return
+    }
+  }
+}
+
+// ── 删除 ──
+
 function confirmDelete(outline: Outline) {
  deletingOutline.value = outline
+  deletingIsChild.value = false
+  showDeleteConfirm.value = true
+}
+
+function confirmDeleteChild(child: Outline) {
+  deletingOutline.value = child
+  deletingIsChild.value = true
  showDeleteConfirm.value = true
 }

@@ -91,8 +151,20 @@ async function handleDelete() {
  deleting.value = true
  try {
    await deleteOutline(novelId, deletingOutline.value.id)
-    outlines.value = outlines.value.filter(o => o.id !== deletingOutline.value!.id)
-    toast.success('大纲已删除')
+    if (deletingIsChild.value) {
+      // 从父节点的 children 中移除
+      for (const parent of outlines.value) {
+        if (!parent.children) continue
+        const idx = parent.children.findIndex(c => c.id === deletingOutline.value!.id)
+        if (idx !== -1) {
+          parent.children.splice(idx, 1)
+          break
+        }
+      }
+    } else {
+      outlines.value = outlines.value.filter(o => o.id !== deletingOutline.value!.id)
+    }
+    toast.success('已删除')
    showDeleteConfirm.value = false
  } catch {
    toast.error('删除失败')
@@ -101,6 +173,8 @@ async function handleDelete() {
  }
 }

+// ── 排序 ──
+
 async function handleReorder(reordered: Outline[]) {
  outlines.value = reordered
  try {
@@ -112,23 +186,33 @@ async function handleReorder(reordered: Outline[]) {
  }
 }

+async function handleChildReorder(parentId: number, reordered: Outline[]) {
+  // 乐观更新
+  const parent = outlines.value.find(o => o.id === parentId)
+  if (parent) {
+    parent.children = reordered
+  }
+  try {
+    await apiReorderChildren(novelId, parentId, reordered.map(c => c.id))
+    // 重新加载获取最新数据
+    const list = await fetchOutlines(novelId)
+    outlines.value = list.items
+  } catch {
+    toast.error('子节点排序保存失败')
+    await load()
+  }
+}
+
 onMounted(load)
 </script>

 <template>
-  <div v-if="!loading && novel" class="outline-view">
-    <div class="outline-header">
-      <BaseButton variant="ghost" @click="router.push({ name: 'novel-detail', params: { id: novelId } })">
-        &larr; 返回
-      </BaseButton>
-      <div class="header-center">
-        <h1 class="outline-title">{{ novel.title }}</h1>
-        <p class="outline-subtitle">故事大纲 · 共 {{ totalOutlines }} 个节点</p>
-      </div>
+  <div v-if="!loading" class="outline-view">
+    <Teleport to="#workspace-actions">
      <BaseButton v-if="totalOutlines > 0" variant="primary" @click="openCreate">
        添加节点
      </BaseButton>
-    </div>
+    </Teleport>

    <OutlineTimeline
      v-if="totalOutlines > 0"
@@ -137,6 +221,10 @@ onMounted(load)
      @delete="confirmDelete"
      @reorder="handleReorder"
      @add="openCreate"
+      @add-child="openCreateChild"
+      @edit-child="openEditChild"
+      @delete-child="confirmDeleteChild"
+      @reorder-children="handleChildReorder"
    />
    <OutlineEmptyState v-else @create="openCreate" />

@@ -144,6 +232,7 @@ onMounted(load)
      :show="showForm"
      :outline="editingOutline"
      :saving="formSaving"
+      :parent-id="formParentId"
      @submit="handleFormSubmit"
      @close="showForm = false"
    />
@@ -151,7 +240,9 @@ onMounted(load)
    <ConfirmDialog
      :show="showDeleteConfirm"
      title="确认删除"
-      :message="`确定要删除「${deletingOutline?.summary}」吗？`"
+      :message="deletingIsChild
+        ? `确定要删除子节点「${deletingOutline?.summary}」吗？`
+        : `确定要删除「${deletingOutline?.summary}」吗？${(deletingOutline?.children?.length ?? 0) > 0 ? '其下所有子节点也将被删除。' : ''}`"
      confirm-text="删除"
      :loading="deleting"
      @confirm="handleDelete"
@@ -171,37 +262,10 @@ onMounted(load)

 <style scoped>
 .outline-view {
-  max-width: 900px;
-  margin: 0 auto;
-  animation: fadeInUp var(--duration-normal) var(--ease-out-smooth) both;
+  /* max-width 由父 NovelWorkspace 控制 */
 }

-.outline-header {
-  display: flex;
-  align-items: flex-start;
-  justify-content: space-between;
-  gap: var(--space-md);
-  margin-bottom: var(--space-2xl);
-}
-
-.header-center {
-  flex: 1;
-  text-align: center;
-}
-
-.outline-title {
-  font-family: var(--font-display);
-  font-size: 1.8rem;
-  font-weight: 700;
-  color: var(--ink-900);
-  line-height: 1.3;
-}
-
-.outline-subtitle {
-  font-size: 0.85rem;
-  color: var(--ink-400);
-  margin-top: var(--space-xs);
-}
+/* header 已由 NovelSubNav 处理 */

 /* Loading */
 .outline-loading {
--- a/frontend/src/views/WorldSettingView.vue
+++ b/frontend/src/views/WorldSettingView.vue
@@ -1,9 +1,9 @@
 <script setup lang="ts">
-import { ref, onMounted, computed } from 'vue'
+import { ref, inject, onMounted, computed } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
-import { fetchNovel } from '@/api/novels'
 import { fetchWorldSetting, saveWorldSetting } from '@/api/worldSetting'
 import { useToast } from '@/composables/useToast'
+import { useToolRefresh } from '@/composables/useToolRefresh'
 import type { Novel } from '@/types/novel'
 import BaseButton from '@/components/ui/BaseButton.vue'
 import BaseTextarea from '@/components/ui/BaseTextarea.vue'
@@ -12,8 +12,9 @@ const route = useRoute()
 const router = useRouter()
 const toast = useToast()

-const novelId = Number(route.params.id)
-const novel = ref<Novel | null>(null)
+const novelId = inject<number>('workspace-novel-id', Number(route.params.id))
+const novel = inject<import('vue').Ref<Novel | null>>('workspace-novel', ref(null))
+const subtitle = inject<import('vue').Ref<string>>('workspace-subtitle', ref(''))
 const content = ref('')
 const loading = ref(true)
 const saving = ref(false)
@@ -26,14 +27,16 @@ const contentHint = computed(() => {
  return `${contentLength.value} 字`
 })

+// 世界观页不需要副标题
+subtitle.value = ''
+
+// AI 工具执行后自动刷新世界观数据
+useToolRefresh(['get_world_setting', 'save_world_setting'], load)
+
 async function load() {
  loading.value = true
  try {
-    const [n, ws] = await Promise.all([
-      fetchNovel(novelId),
-      fetchWorldSetting(novelId),
-    ])
-    novel.value = n
+    const ws = await fetchWorldSetting(novelId)
    content.value = ws.content
  } catch {
    toast.error('加载失败')
@@ -64,15 +67,8 @@ onMounted(load)
 </script>

 <template>
-  <div v-if="!loading && novel" class="world-view">
-    <div class="world-header">
-      <BaseButton variant="ghost" @click="router.push({ name: 'novel-detail', params: { id: novelId } })">
-        &larr; 返回
-      </BaseButton>
-      <div class="header-center">
-        <h1 class="world-title">{{ novel.title }}</h1>
-        <p class="world-subtitle">世界观设定</p>
-      </div>
+  <div v-if="!loading" class="world-view">
+    <Teleport to="#workspace-actions">
      <BaseButton
        variant="primary"
        :loading="saving"
@@ -81,7 +77,7 @@ onMounted(load)
      >
        保存
      </BaseButton>
-    </div>
+    </Teleport>

    <div class="editor-container">
      <div class="editor-hint">
@@ -124,33 +120,6 @@ onMounted(load)
  animation: fadeInUp var(--duration-normal) var(--ease-out-smooth) both;
 }

-.world-header {
-  display: flex;
-  align-items: flex-start;
-  justify-content: space-between;
-  gap: var(--space-md);
-  margin-bottom: var(--space-2xl);
-}
-
-.header-center {
-  flex: 1;
-  text-align: center;
-}
-
-.world-title {
-  font-family: var(--font-display);
-  font-size: 1.8rem;
-  font-weight: 700;
-  color: var(--ink-900);
-  line-height: 1.3;
-}
-
-.world-subtitle {
-  font-size: 0.85rem;
-  color: var(--ink-400);
-  margin-top: var(--space-xs);
-}
-
 .editor-container {
  background: var(--paper-50);
  border: 1px solid var(--paper-200);