feat(ai): 助手页支持写作/生图等记录的历史列表与按类型筛选

- 三模式各自独立工作区：切模式不丢消息、草稿与当前记录
- 历史面板加类型徽标与筛选（全部/聊天/写作/图片/创意/活动策划），文案改「历史记录」
- 生成成功认领末帧 chatId 并刷新列表；聊天 __END__ 帧的 chatId 同样接受
- 写作/图片记录支持「按原参数再来一次」（只回填、不自动发送）
- 文稿/创意/活动策划三页加历史入口，经 storage 传递筛选后 switchTab
- 面板提示仅展示最近 30 条

src/pages/activity-outline/index.vue

@@ -9,6 +9,7 @@
 					<view class="hero-action" @tap="fillExample('volunteer')">志愿服务</view>
 					<view class="hero-action" @tap="fillExample('salon')">主题沙龙</view>
 					<view class="hero-action" @tap="fillExample('sports')">校园赛事</view>
+					<view class="hero-action" @tap="goHistoryPage">历史记录</view>
 				</view>
 			</view>
 
@@ -458,6 +459,18 @@
 				this.form.event_type = '校园赛事 + 开幕仪式 + 分组淘汰赛'
 				this.form.event_location = '学校室外篮球场'
 				this.form.event_meme = '需要体现赛事组织、赛程安排、安全保障、医疗预案和宣传报道计划。'
+			},
+			/**
+			 * 历史记录统一在助手页查看。
+			 *
+			 * 助手页是 tabBar 页，`switchTab` 不能带参数，所以先把类型筛选
+			 * 写进 storage，助手页 onShow 读取后立即清除。
+			 */
+			goHistoryPage() {
+				uni.setStorageSync('ai_history_type', 'activity_outline')
+				uni.switchTab({
+					url: '/pages/assistant/index'
+				})
 			}
 		}
 	}

src/pages/assistant/chat-service.js

@@ -370,6 +370,14 @@ export function apiRequest({
 	})
 }
 
+/**
+ * 历史记录列表。
+ *
+ * @param {object} [params]
+ * @param {string} [params.chatType] 可选，按记录类型精确筛选：
+ *   `chat` / `writing` / `image` / `creative` / `activity_outline`；
+ *   不传则返回该用户全部类型的记录（助手页即拉全量后在前端过滤）。
+ */
 export function listAiChatList(params) {
 	return apiRequest({
 		url: `${MODULES_API_URL}/ai/ai-chat-list`,

src/pages/assistant/index.vue

@@ -45,7 +45,7 @@
 			>
 				<view v-if="!currentUser.userId" class="notice-card">
 					<view class="notice-title">请先登录后使用 AI 助手</view>
-					<view class="notice-desc">当前页面已接入真实会话逻辑，发送消息和历史会话依赖登录态。</view>
+					<view class="notice-desc">当前页面已接入真实会话逻辑，发送消息和历史记录依赖登录态。</view>
 				</view>
 
 				<view v-else-if="!messageList.length" class="empty-card">
@@ -262,38 +262,91 @@
 			<view class="history-panel" @tap.stop>
 				<view class="history-head">
 					<view>
-						<view class="history-title">历史会话</view>
+						<view class="history-title">历史记录</view>
-						<view class="history-subtitle">按最近更新时间展示</view>
+						<view class="history-subtitle">仅展示最近 30 条，按更新时间排序</view>
 					</view>
 					<view class="history-close" @tap="closeHistoryPanel">关闭</view>
 				</view>
 
+				<!-- 类型筛选：默认「全部」，前端过滤，不额外请求 -->
+				<scroll-view scroll-x :show-scrollbar="false" class="history-filter">
+					<view class="history-filter-track">
+						<view
+							v-for="option in historyTypeOptions"
+							:key="option.value"
+							class="history-filter-chip"
+							:class="{ 'history-filter-chip--active': historyTypeFilter === option.value }"
+							@tap="pickHistoryType(option.value)"
+						>{{ option.label }}</view>
+					</view>
+				</scroll-view>
+
 				<scroll-view scroll-y class="history-scroll">
 					<view v-if="historySections.length">
 						<view v-for="section in historySections" :key="section.label" class="history-section">
 							<view class="history-label">{{ section.label }}</view>
-							<view
+							<view v-for="item in section.items" :key="getHistoryKey(item)" class="history-item-wrap">
-								v-for="item in section.items"
+								<view
-								:key="getHistoryKey(item)"
+									class="history-item"
-								class="history-item"
+									:class="{ 'history-item--active': activeHistoryKey === getHistoryKey(item) }"
-								:class="{ 'history-item--active': activeHistoryKey === getHistoryKey(item) }"
+								>
-							>
+									<view class="history-item-main" @tap="selectChat(item)">
-								<view class="history-item-main" @tap="selectChat(item)">
+										<view class="history-item-head">
-									<view class="history-item-title">{{ getHistoryTitle(item) }}</view>
+											<text
-									<view class="history-item-time">
+												class="history-type-badge"
-										{{ formatHistoryItemTime(item.createTime) }}
+												:class="`history-type-badge--${getHistoryType(item)}`"
+											>{{ getHistoryTypeLabel(item) }}</text>
+											<view class="history-item-title">{{ getHistoryTitle(item) }}</view>
+										</view>
+										<view class="history-item-time">
+											{{ formatHistoryItemTime(item.createTime) }}
+										</view>
+									</view>
+									<view
+										class="history-delete"
+										@tap.stop="removeChat(item)"
+									>
+										{{ deletingChatId === item.id ? '删除中' : '删除' }}
 									</view>
 								</view>
-								<view
+
-									class="history-delete"
+								<!--
-									@tap.stop="removeChat(item)"
+									非聊天记录在面板内展开查看：写作 / 图片可「按原参数再来一次」，
-								>
+									创意 / 活动策划只读（契约里没有可回填的界面参数）。
-									{{ deletingChatId === item.id ? '删除中' : '删除' }}
+								-->
+								<view v-if="isHistoryPreview(item)" class="history-preview" @tap.stop>
+									<view class="history-preview-head">
+										<text class="history-preview-caption">记录详情</text>
+										<text class="history-preview-close" @tap.stop="closeHistoryPreview">收起</text>
+									</view>
+									<view v-if="historyPreview.loading" class="history-preview-hint">正在加载记录…</view>
+									<template v-else>
+										<view
+											v-for="message in historyPreview.messages"
+											:key="message.id"
+											class="history-preview-row"
+										>
+											<view class="history-preview-role">{{ isUserMessage(message) ? '你' : 'AI' }}</view>
+											<view v-if="isUserMessage(message)" class="history-preview-text">{{ message.content }}</view>
+											<zero-markdown-view
+												v-else
+												class="history-preview-text history-preview-markdown"
+												:markdown="getAssistantDisplayContent(message.content)"
+											/>
+										</view>
+										<view v-if="canReplayHistory(item)" class="history-preview-actions">
+											<view class="history-preview-replay" @tap.stop="replayHistoryItem(item)">按原参数再来一次</view>
+											<text class="history-preview-tip">不会自动发送，回填后可修改</text>
+										</view>
+										<view v-else class="history-preview-actions">
+											<text class="history-preview-tip">该记录仅可查看，暂不支持再来一次</text>
+										</view>
+									</template>
 								</view>
 							</view>
 						</view>
 					</view>
-					<view v-else class="history-empty">暂无历史对话</view>
+					<view v-else class="history-empty">暂无历史记录</view>
 				</scroll-view>
 			</view>
 		</view>
@@ -334,6 +387,36 @@
 		{ label: '写作', value: 'writing' },
 		{ label: '图片', value: 'image' }
 	]
+	/*
+		历史记录的类型（后端 chat_type）。旧数据没有 chat_type，按 chat 处理。
+		「全部」只用于筛选，不是一种记录类型。
+	*/
+	const HISTORY_TYPE_OPTIONS = [
+		{ label: '全部', value: 'all' },
+		{ label: '聊天', value: 'chat' },
+		{ label: '写作', value: 'writing' },
+		{ label: '图片', value: 'image' },
+		{ label: '创意', value: 'creative' },
+		{ label: '活动策划', value: 'activity_outline' }
+	]
+	const HISTORY_TYPE_META = {
+		chat: { label: '聊天', replayable: false },
+		writing: { label: '写作', replayable: true },
+		image: { label: '图片', replayable: true },
+		creative: { label: '创意', replayable: false },
+		activity_outline: { label: '活动策划', replayable: false }
+	}
+	/* 独立页 switchTab 不能带参，类型经 storage 传进来（见接口契约 §6） */
+	const HISTORY_TYPE_STORAGE_KEY = 'ai_history_type'
+
+	/** 每个模式各自的工作区：消息、当前记录、草稿互不干扰 */
+	const createWorkspace = () => ({
+		messageList: [],
+		activeChatId: null,
+		activeConversationId: '',
+		streamingMessageId: '',
+		draft: ''
+	})
 	// 图片比例选择器已撤掉：上游创意助手开始节点没有比例变量（实测只有 user_content /
 	// user_files），前端只能把它拼进 user_content —— 那是替上游写 prompt。
 	// 要恢复这个功能，先在上游开始节点加变量，再按变量契约接上来。
@@ -362,8 +445,13 @@
 					participants: ''
 				},
 				statusBarHeight: 0,
-				draft: '',
 				activeChatMode: 'chat',
+				// 三个模式各自独立的工作区：切换模式不丢消息、当前记录与草稿
+				workspaces: {
+					chat: createWorkspace(),
+					writing: createWorkspace(),
+					image: createWorkspace()
+				},
 				loading: false,
 				wsConnected: false,
 				scrollIntoView: '',
@@ -374,11 +462,12 @@
 					'优化竞赛申报书摘要',
 					'整理五四评优申报材料清单'
 				],
-				messageList: [],
 				historyList: [],
-				activeChatId: null,
+				// 历史面板的类型筛选，默认「全部」
-				activeConversationId: '',
+				historyTypeFilter: 'all',
-				streamingMessageId: '',
+				historyTypeOptions: HISTORY_TYPE_OPTIONS,
+				// 面板内展开的非聊天记录详情（含写作 / 图片的「再来一次」）
+				historyPreview: null,
 				showHistoryPanel: false,
 				deletingChatId: null,
 				currentUser: {
@@ -394,6 +483,50 @@
 			}
 		},
 		computed: {
+			/** 当前模式的工作区；模板里的 messageList / draft 等都指向它 */
+			workspace() {
+				return this.workspaces[this.activeChatMode] || this.workspaces.chat
+			},
+			messageList: {
+				get() {
+					return this.workspace.messageList
+				},
+				set(value) {
+					this.workspace.messageList = value
+				}
+			},
+			draft: {
+				get() {
+					return this.workspace.draft
+				},
+				set(value) {
+					this.workspace.draft = value
+				}
+			},
+			activeChatId: {
+				get() {
+					return this.workspace.activeChatId
+				},
+				set(value) {
+					this.workspace.activeChatId = value
+				}
+			},
+			activeConversationId: {
+				get() {
+					return this.workspace.activeConversationId
+				},
+				set(value) {
+					this.workspace.activeConversationId = value
+				}
+			},
+			streamingMessageId: {
+				get() {
+					return this.workspace.streamingMessageId
+				},
+				set(value) {
+					this.workspace.streamingMessageId = value
+				}
+			},
 			navbarTotalHeight() {
 				return this.statusBarHeight + 44
 			},
@@ -472,6 +605,9 @@
 				return 'AI 助手待命中'
 			},
 			activeHistoryKey() {
+				if (this.historyPreview && this.historyPreview.key) {
+					return this.historyPreview.key
+				}
 				if (this.activeChatId) {
 					return `chat-${this.activeChatId}`
 				}
@@ -491,9 +627,18 @@
 				)
 				return target ? this.getHistoryTitle(target) : '当前会话'
 			},
+			/** 类型筛选之后的历史记录（全部类型时不复制数组） */
+			historyFilteredList() {
+				if (this.historyTypeFilter === 'all') {
+					return this.historyList
+				}
+				return this.historyList.filter(
+					(item) => this.getHistoryType(item) === this.historyTypeFilter
+				)
+			},
 			historySections() {
 				const groupMap = {}
-				;[...this.historyList]
+				;[...this.historyFilteredList]
 					.sort((left, right) => this.getTimestamp(right.updateTime || right.createTime) - this.getTimestamp(left.updateTime || left.createTime))
 					.forEach((item) => {
 						const label = this.getHistoryDateLabel(item.createTime || item.updateTime)
@@ -502,10 +647,6 @@
 						}
 						groupMap[label].push(item)
 					})
-        console.log(Object.keys(groupMap).map((label) => ({
-          label,
-          items: groupMap[label]
-        })))
 				return Object.keys(groupMap).map((label) => ({
 					label,
 					items: groupMap[label]
@@ -518,13 +659,15 @@
 		},
 		onShow() {
 			this.refreshUser()
+			// 独立页经 storage 传来的类型：预置筛选并直接打开历史面板
+			const fromHistoryEntry = this.applyPendingHistoryType()
 			if (!this.initialized) {
-				this.initAssistant()
+				this.initAssistant(!fromHistoryEntry)
 				return
 			}
 			if (this.currentUser.userId) {
 				this.loadHistoryList(false).catch((error) => {
-					this.showError(error, '刷新历史会话失败')
+					this.showError(error, '刷新历史记录失败')
 				})
 			}
 		},
@@ -542,19 +685,45 @@
 				}
 				return this.currentUser
 			},
-			async initAssistant() {
+			async initAssistant(autoSelect = true) {
 				try {
 					this.refreshUser()
 					if (!this.currentUser.userId) {
 						return
 					}
-					await this.loadHistoryList(true)
+					await this.loadHistoryList(autoSelect)
 				} catch (error) {
 					this.showError(error, '初始化聊天页失败')
 				} finally {
 					this.initialized = true
 				}
 			},
+			/**
+			 * 读取独立页写入的类型筛选。
+			 *
+			 * 小程序 `switchTab` 不能带参，所以「文稿 / 创意 / 活动策划」页先
+			 * `setStorageSync('ai_history_type', ...)` 再跳过来；这里读完立即清掉，
+			 * 避免下次从 tabBar 进来又莫名带上筛选。
+			 *
+			 * @returns {boolean} 是否由独立页的历史入口跳转而来
+			 */
+			applyPendingHistoryType() {
+				let pendingType = ''
+				try {
+					pendingType = uni.getStorageSync(HISTORY_TYPE_STORAGE_KEY)
+				} catch (error) {
+					pendingType = ''
+				}
+				if (!pendingType) {
+					return false
+				}
+				uni.removeStorageSync(HISTORY_TYPE_STORAGE_KEY)
+				const matched = Object.keys(HISTORY_TYPE_META).indexOf(pendingType) > -1
+				this.historyTypeFilter = matched ? pendingType : 'all'
+				this.historyPreview = null
+				this.showHistoryPanel = true
+				return true
+			},
 			showToast(title) {
 				uni.showToast({
 					title,
@@ -649,6 +818,33 @@
 				}
 				return '未命名对话'
 			},
+			/** 记录类型；旧数据没有 chatType，按 chat 处理 */
+			getHistoryType(item) {
+				const value = String((item && item.chatType) || 'chat').trim()
+				return HISTORY_TYPE_META[value] ? value : 'chat'
+			},
+			getHistoryTypeLabel(item) {
+				const type = this.getHistoryType(item)
+				return (HISTORY_TYPE_META[type] && HISTORY_TYPE_META[type].label) || '聊天'
+			},
+			/** 只有写作 / 图片记录能回填原参数「再来一次」 */
+			canReplayHistory(item) {
+				const type = this.getHistoryType(item)
+				return !!(HISTORY_TYPE_META[type] && HISTORY_TYPE_META[type].replayable)
+			},
+			pickHistoryType(value) {
+				if (this.historyTypeFilter === value) {
+					return
+				}
+				this.historyTypeFilter = value
+				this.historyPreview = null
+			},
+			isHistoryPreview(item) {
+				return !!this.historyPreview && this.historyPreview.key === this.getHistoryKey(item)
+			},
+			closeHistoryPreview() {
+				this.historyPreview = null
+			},
 			parseAssistantContent(value) {
 				if (!value || value === ASSISTANT_PENDING_TEXT) {
 					return {
@@ -737,6 +933,8 @@
 					return
 				}
 				this.activeChatMode = mode
+				// 切回某个模式时，该模式自己的消息区滚到底部
+				this.scrollToBottom()
 			},
 			scrollToBottom() {
 				this.bottomAnchorId = `chat-bottom-${Date.now()}`
@@ -806,10 +1004,19 @@
 					target.content === ASSISTANT_PENDING_TEXT ? answer : `${target.content}${answer}`
 				this.scrollToBottom()
 			},
-			async finishAssistantMessage(conversationId) {
+			/**
+			 * 聊天收尾：刷新历史并认领后端回传的记录 id。
+			 *
+			 * @param {string} [conversationId] 上游会话标识
+			 * @param {number|string} [chatId] `__END__` 帧新增的记录 id（仅成功写入时出现）
+			 */
+			async finishAssistantMessage(conversationId, chatId) {
 				if (conversationId) {
 					this.activeConversationId = conversationId
 				}
+				if (chatId !== undefined && chatId !== null && chatId !== '') {
+					this.activeChatId = chatId
+				}
 				const target = this.messageList.find((item) => item.id === this.streamingMessageId)
 				if (target) {
 					target.loading = false
@@ -846,7 +1053,8 @@
 				try {
 					const data = JSON.parse(raw)
 					if (data && data.answer === '__END__') {
-						await this.finishAssistantMessage(data.conversationId)
+						// 末帧带后端刚写入的记录 id（失败态没有）；带上它才能高亮对应记录
+						await this.finishAssistantMessage(data.conversationId, data.chatId)
 						this.disconnectWebSocket()
 						return
 					}
@@ -963,40 +1171,186 @@
 					!this.activeConversationId &&
 					this.historyList.length
 				) {
-					await this.selectChat(this.historyList[0], true)
+					// 只自动打开聊天记录：其他类型没有会话，进面板看详情即可
+					const firstChat = this.historyList.find(
+						(item) => this.getHistoryType(item) === 'chat'
+					)
+					if (firstChat) {
+						await this.selectChat(firstChat, true)
+					}
 				}
 			},
-			async loadChatHistory(item) {
+			async fetchHistoryMessages(item) {
 				const { userId } = this.refreshUser()
 				const response = await listAiChatHistory({
 					chatId: item.id,
 					conversationId: item.conversationId,
 					userId
 				})
-				this.messageList = this.formatHistoryMessages(Array.isArray(response) ? response : [])
+				return this.formatHistoryMessages(Array.isArray(response) ? response : [])
+			},
+			async loadChatHistory(item) {
+				this.messageList = await this.fetchHistoryMessages(item)
 				this.scrollToBottom()
 			},
 			async selectChat(item, silent = false) {
 				if (this.loading && !silent) {
-					this.showToast('当前正在生成回复，请稍后再切换会话')
+					this.showToast('当前正在生成回复，请稍后再切换记录')
 					return
 				}
+				// 聊天记录打开会话；其余类型在面板内展开详情
+				if (this.getHistoryType(item) !== 'chat') {
+					await this.openHistoryPreview(item)
+					return
+				}
+				this.historyPreview = null
+				this.activeChatMode = 'chat'
 				this.activeChatId = item.id || null
 				this.activeConversationId = item.conversationId || ''
 				this.showHistoryPanel = false
 				await this.loadChatHistory(item)
 			},
+			/** 非聊天记录的面板内详情（写作 / 图片另带「再来一次」） */
+			async openHistoryPreview(item) {
+				const key = this.getHistoryKey(item)
+				// 再点同一条即收起
+				if (this.historyPreview && this.historyPreview.key === key && !this.historyPreview.loading) {
+					this.historyPreview = null
+					return
+				}
+				this.historyPreview = {
+					key,
+					item,
+					messages: [],
+					loading: true
+				}
+				try {
+					const messages = await this.fetchHistoryMessages(item)
+					if (!this.historyPreview || this.historyPreview.key !== key) {
+						return
+					}
+					this.historyPreview.messages = messages
+				} catch (error) {
+					if (this.historyPreview && this.historyPreview.key === key) {
+						this.historyPreview = null
+						this.showError(error, '加载历史记录失败')
+					}
+				} finally {
+					if (this.historyPreview && this.historyPreview.key === key) {
+						this.historyPreview.loading = false
+					}
+				}
+			},
+			/** 解析后端 `params`（入参快照 JSON，老记录为空） */
+			parseHistoryParams(value) {
+				if (!value) {
+					return {}
+				}
+				if (typeof value === 'object') {
+					return value
+				}
+				try {
+					const parsed = JSON.parse(String(value))
+					return parsed && typeof parsed === 'object' ? parsed : {}
+				} catch (error) {
+					return {}
+				}
+			},
+			/** 老记录没有 params 时，退回详情里的用户原话（再退回标题） */
+			historyRecordInput(item) {
+				const messages = (this.historyPreview && this.historyPreview.messages) || []
+				const userMessage = messages.find((message) => this.isUserMessage(message))
+				if (userMessage && String(userMessage.content || '').trim()) {
+					return String(userMessage.content || '').trim()
+				}
+				return String((item && item.title) || '').trim()
+			},
+			/**
+			 * 按原参数再来一次：只回填参数与输入框，不自动发送。
+			 *
+			 * 写作回填文体 / 字数 / 写作参数 / 正文（自由创作回填 userContent），
+			 * 图片回填提示词；创意与活动策划没有可回填的界面参数，只读。
+			 */
+			replayHistoryItem(item) {
+				const type = this.getHistoryType(item)
+				if (!this.canReplayHistory(item)) {
+					this.showToast('该记录仅可查看')
+					return
+				}
+				const params = this.parseHistoryParams(item.params)
+				if (type === 'writing') {
+					this.fillWritingFromHistory(item, params)
+				} else {
+					this.fillImageFromHistory(item, params)
+				}
+				this.activeChatMode = type
+				this.showHistoryPanel = false
+				this.historyPreview = null
+				this.showToast('已按原参数回填，可修改后发送')
+			},
+			fillWritingFromHistory(item, params) {
+				const docType = String(params.docType || params.doc_type || '').trim()
+				this.writingDocType =
+					docType && docType !== WRITING_DOC_TYPE_FREE ? docType : WRITING_DOC_TYPE_FREE
+				const wordCount = params.number
+				this.writingWordCount =
+					wordCount !== undefined && wordCount !== null && String(wordCount).trim()
+						? String(wordCount)
+						: 'auto'
+				const nextParams = {
+					eventType: String(params.eventType || params.event_type || '').trim(),
+					theme: String(params.theme || '').trim(),
+					time: String(params.time || '').trim(),
+					location: String(params.location || '').trim(),
+					participants: String(params.participants || '').trim()
+				}
+				this.writingParams = nextParams
+				// 有参数就展开，方便用户看到回填结果
+				this.writingParamsOpen = ['theme', 'time', 'location', 'participants'].some(
+					(key) => !!nextParams[key]
+				)
+				const input = String(
+					params.highlights || params.userContent || params.user_content || ''
+				).trim()
+				this.workspaces.writing.draft = input || this.historyRecordInput(item)
+			},
+			fillImageFromHistory(item, params) {
+				const input = String(params.user_content || params.userContent || '').trim()
+				this.workspaces.image.draft = input || this.historyRecordInput(item)
+			},
+			/**
+			 * 认领生成记录：取末帧 `chatId` 设为当前模式的高亮项，并刷新历史。
+			 * 失败态没有 chatId，调用方只在成功分支调用。
+			 */
+			async claimGenerationRecord(payload) {
+				const chatId =
+					payload && payload.chatId !== undefined && payload.chatId !== null
+						? payload.chatId
+						: payload && payload.data && payload.data.chatId
+				if (chatId !== undefined && chatId !== null && chatId !== '') {
+					this.activeChatId = chatId
+				}
+				try {
+					await this.loadHistoryList(false)
+				} catch (error) {
+					// 列表刷新失败不该把已成功的生成提示成「发送失败」
+					console.warn('refresh history after generation failed', error)
+				}
+			},
 			startNewChat() {
 				if (this.loading) {
 					this.showToast('当前正在生成回复，请稍后再开启新对话')
 					return
 				}
-				this.disconnectWebSocket()
+				if (this.activeChatMode === 'chat') {
+					this.disconnectWebSocket()
+				}
 				this.activeChatId = null
 				this.activeConversationId = ''
 				this.streamingMessageId = ''
 				this.messageList = []
 				this.draft = ''
+				this.historyPreview = null
 				this.showHistoryPanel = false
 			},
 			/**
@@ -1318,6 +1672,8 @@
 					}).promise
 					if (finalPayload && Number(finalPayload.code) === 0) {
 						setResult(this.formatWritingResult(finalPayload.data))
+						// 末帧带上后端刚写入的记录 id（失败态没有）
+						await this.claimGenerationRecord(finalPayload)
 						return
 					}
 					if (finalPayload) {
@@ -1359,32 +1715,35 @@
 						return
 					}
 					setResult(this.formatCreativeResult(finalPayload.data))
+					await this.claimGenerationRecord(finalPayload)
 				}
 			},
 			openHistoryPanel() {
+				this.historyPreview = null
 				this.showHistoryPanel = true
 				if (this.currentUser.userId) {
 					this.loadHistoryList(false).catch((error) => {
-						this.showError(error, '加载历史会话失败')
+						this.showError(error, '加载历史记录失败')
 					})
 				}
 			},
 			closeHistoryPanel() {
 				this.showHistoryPanel = false
+				this.historyPreview = null
 			},
 			async removeChat(item) {
 				if (this.loading) {
-					this.showToast('当前正在生成回复，请稍后再删除会话')
+					this.showToast('当前正在生成回复，请稍后再删除记录')
 					return
 				}
 				if (!item.id) {
-					this.showToast('当前会话缺少标识，无法删除')
+					this.showToast('当前记录缺少标识，无法删除')
 					return
 				}
 
 				const result = await new Promise((resolve) => {
 					uni.showModal({
-						title: '删除会话',
+						title: '删除记录',
 						content: `确定删除“${this.getHistoryTitle(item)}”吗？`,
 						success: resolve,
 						fail: () => resolve({ confirm: false })
@@ -1394,15 +1753,36 @@
 					return
 				}
 
+				const itemKey = this.getHistoryKey(item)
+				const itemType = this.getHistoryType(item)
+				// 同一条记录可能正开在某个模式的工作区里（三模式各自独立）
+				const affectedModes = Object.keys(this.workspaces).filter((mode) => {
+					const workspace = this.workspaces[mode]
+					return (
+						workspace.activeChatId === item.id ||
+						(item.conversationId && workspace.activeConversationId === item.conversationId)
+					)
+				})
+
 				this.deletingChatId = item.id
 				try {
-					const isActive =
-						this.activeChatId === item.id ||
-						(item.conversationId && this.activeConversationId === item.conversationId)
 					await removeAiChatList(item.id)
+					if (this.historyPreview && this.historyPreview.key === itemKey) {
+						this.historyPreview = null
+					}
 					await this.loadHistoryList(false)
-					if (isActive) {
+					affectedModes.forEach((mode) => {
-						const nextChat = this.historyList[0]
+						const workspace = this.workspaces[mode]
+						workspace.activeChatId = null
+						workspace.activeConversationId = ''
+						workspace.streamingMessageId = ''
+						workspace.messageList = []
+					})
+					// 聊天记录被删且正开在聊天模式：接上最近的一条聊天记录
+					if (itemType === 'chat' && this.activeChatMode === 'chat' && affectedModes.indexOf('chat') > -1) {
+						const nextChat = this.historyList.find(
+							(candidate) => this.getHistoryType(candidate) === 'chat'
+						)
 						if (nextChat) {
 							this.activeChatId = nextChat.id || null
 							this.activeConversationId = nextChat.conversationId || ''
@@ -2087,6 +2467,37 @@
 		font-size: 24rpx;
 	}
 
+	/* 类型筛选：与写作参数一致，单行横向滑动，不换行堆叠 */
+	.history-filter {
+		flex-shrink: 0;
+		width: 100%;
+		margin-top: 20rpx;
+		white-space: nowrap;
+	}
+
+	.history-filter-track {
+		display: inline-flex;
+		align-items: center;
+		gap: 10rpx;
+	}
+
+	.history-filter-chip {
+		flex-shrink: 0;
+		padding: 10rpx 18rpx;
+		border-radius: 999rpx;
+		border: 1rpx solid rgba(20, 150, 242, 0.18);
+		background: rgba(255, 255, 255, 0.9);
+		color: #1496f2;
+		font-size: 22rpx;
+		line-height: 1.3;
+	}
+
+	.history-filter-chip--active {
+		border-color: transparent;
+		background: linear-gradient(145deg, #0f7dd1 0%, #1496f2 100%);
+		color: #fff;
+	}
+
 	.history-scroll {
 		flex: 1;
 		min-height: 0;
@@ -2104,6 +2515,10 @@
 		color: #8b817b;
 	}
 
+	.history-item-wrap + .history-item-wrap {
+		margin-top: 14rpx;
+	}
+
 	.history-item {
 		display: flex;
 		align-items: center;
@@ -2115,10 +2530,6 @@
 		box-shadow: 0 10rpx 28rpx rgba(76, 49, 35, 0.06);
 	}
 
-	.history-item + .history-item {
-		margin-top: 14rpx;
-	}
-
 	.history-item--active {
 		border-color: rgba(20, 150, 242, 0.2);
 		background: #fff1ec;
@@ -2129,7 +2540,48 @@
 		min-width: 0;
 	}
 
+	.history-item-head {
+		display: flex;
+		align-items: flex-start;
+		gap: 10rpx;
+	}
+
+	/* 类型徽标：聊天 / 写作 / 图片 / 创意 / 活动策划 */
+	.history-type-badge {
+		flex-shrink: 0;
+		margin-top: 4rpx;
+		padding: 2rpx 12rpx;
+		border-radius: 10rpx;
+		background: rgba(20, 150, 242, 0.1);
+		color: #1496f2;
+		font-size: 20rpx;
+		font-weight: 600;
+		line-height: 1.6;
+	}
+
+	.history-type-badge--writing {
+		background: rgba(31, 143, 73, 0.1);
+		color: #1f8f49;
+	}
+
+	.history-type-badge--image {
+		background: rgba(240, 122, 61, 0.12);
+		color: #c1652d;
+	}
+
+	.history-type-badge--creative {
+		background: rgba(123, 97, 255, 0.1);
+		color: #6a53d6;
+	}
+
+	.history-type-badge--activity_outline {
+		background: rgba(20, 150, 242, 0.08);
+		color: #0f7dd1;
+	}
+
 	.history-item-title {
+		flex: 1;
+		min-width: 0;
 		font-size: 26rpx;
 		font-weight: 700;
 		color: #2f3136;
@@ -2151,6 +2603,84 @@
 		font-size: 22rpx;
 	}
 
+	/* 面板内的记录详情：仅非聊天类型出现 */
+	.history-preview {
+		margin-top: 10rpx;
+		padding: 18rpx 20rpx;
+		border-radius: 20rpx;
+		border: 1rpx dashed rgba(20, 150, 242, 0.24);
+		background: rgba(255, 255, 255, 0.86);
+	}
+
+	.history-preview-head {
+		display: flex;
+		align-items: center;
+		justify-content: space-between;
+		gap: 12rpx;
+	}
+
+	.history-preview-caption {
+		font-size: 22rpx;
+		font-weight: 600;
+		color: #1496f2;
+	}
+
+	.history-preview-close {
+		font-size: 20rpx;
+		color: #8a7f79;
+	}
+
+	.history-preview-hint {
+		padding: 14rpx 0;
+		font-size: 22rpx;
+		color: #978b84;
+	}
+
+	.history-preview-row {
+		margin-top: 14rpx;
+	}
+
+	.history-preview-role {
+		margin-bottom: 6rpx;
+		font-size: 20rpx;
+		color: #8e837d;
+	}
+
+	.history-preview-text {
+		font-size: 24rpx;
+		line-height: 1.7;
+		color: #2f3136;
+		word-break: break-all;
+		white-space: pre-wrap;
+	}
+
+	.history-preview-markdown {
+		display: block;
+		white-space: normal;
+	}
+
+	.history-preview-actions {
+		display: flex;
+		align-items: center;
+		flex-wrap: wrap;
+		gap: 12rpx;
+		margin-top: 18rpx;
+	}
+
+	.history-preview-replay {
+		padding: 12rpx 22rpx;
+		border-radius: 999rpx;
+		background: linear-gradient(145deg, #0f7dd1 0%, #1496f2 100%);
+		color: #fff;
+		font-size: 22rpx;
+		font-weight: 600;
+	}
+
+	.history-preview-tip {
+		font-size: 20rpx;
+		color: #978b84;
+	}
+
 	.history-empty {
 		padding: 40rpx 20rpx;
 		text-align: center;

src/pages/creative-assistant/index.vue

@@ -10,6 +10,7 @@
 					<view class="hero-action" @tap="fillExample('video')">短视频创意</view>
 					<view class="hero-action" @tap="fillExample('script')">脚本创作</view>
 					<view class="hero-action" @tap="fillExample('image')">海报排版</view>
+					<view class="hero-action" @tap="goHistoryPage">历史记录</view>
 				</view>
 			</view>
 
@@ -405,6 +406,18 @@
 					return
 				}
 				this.content = '请根据上传的活动照片、LOGO 和文案素材，生成一套公众号头图与活动海报排版，风格青春、明亮，输出图片文件。'
+			},
+			/**
+			 * 历史记录统一在助手页查看。
+			 *
+			 * 助手页是 tabBar 页，`switchTab` 不能带参数，所以先把类型筛选
+			 * 写进 storage，助手页 onShow 读取后立即清除。
+			 */
+			goHistoryPage() {
+				uni.setStorageSync('ai_history_type', 'creative')
+				uni.switchTab({
+					url: '/pages/assistant/index'
+				})
 			}
 		}
 	}

src/pages/manuscript/index.vue

@@ -10,6 +10,7 @@
 					<view class="hero-action" @tap="fillDemo('wechat')">公众号推文</view>
 					<view class="hero-action" @tap="fillDemo('notice')">通知公告</view>
 					<view class="hero-action" @tap="fillDemo('free')">自由创作示例</view>
+					<view class="hero-action" @tap="goHistoryPage">历史记录</view>
 					<view class="hero-action hero-action--primary" @tap="goChatPage">进入问答助手</view>
 				</view>
 			</view>
@@ -743,6 +744,18 @@
 				uni.switchTab({
 					url: '/pages/assistant/index'
 				})
+			},
+			/**
+			 * 历史记录统一在助手页查看。
+			 *
+			 * 助手页是 tabBar 页，`switchTab` 不能带参数，所以先把类型筛选
+			 * 写进 storage，助手页 onShow 读取后立即清除。
+			 */
+			goHistoryPage() {
+				uni.setStorageSync('ai_history_type', 'writing')
+				uni.switchTab({
+					url: '/pages/assistant/index'
+				})
 			}
 		}
 	}