From eaeba6120a0fc47172e35e412370ef5f1dcde73b Mon Sep 17 00:00:00 2001
From: weicw1996 <weicw1996@qq.com>
Date: Wed, 21 Oct 2026 13:31:45 +0800
Subject: [PATCH] =?UTF-8?q?feat(ai):=20=E5=86=99=E4=BD=9C=E6=A8=A1?=
 =?UTF-8?q?=E5=BC=8F=E5=8A=A0=E3=80=8C=E5=86=99=E4=BD=9C=E5=8F=82=E6=95=B0?=
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Content-Transfer-Encoding: 8bit

选了文体（走「内容创作与宣传助手」）后，输入框上方出现可折叠的写作参数面板：
活动类型 chip（含「不限」）、活动主题/时间/地点/参与人员四格，字数并入同一块。
自由创作（走「AI 创意助手」）时整块不出现。

- 面板 body 限高 340rpx 并在内部滚动：不限高会把底部输入框顶到 tabbar 后面。
- 只填参数、不写正文也能发送，气泡上用生成摘要占位。
- 活动类型默认空串（= 不限），不替用户猜类型。
---
 src/pages/assistant/index.vue         | 263 +++++++++++++++++++++++++-
 src/pages/assistant/writing-params.js |  16 ++
 2 files changed, 272 insertions(+), 7 deletions(-)

diff --git a/src/pages/assistant/index.vue b/src/pages/assistant/index.vue
index 59345ca..95e0d4c 100644
--- a/src/pages/assistant/index.vue
+++ b/src/pages/assistant/index.vue
@@ -153,6 +153,88 @@
 					</view>
 				</scroll-view>
 
+				<!--
+					写作参数：只有选了文体（走「内容创作与宣传助手」）才有意义，
+					自由创作时创意助手只吃一段内容，这块整块不出现。
+					默认收起 —— 手机屏窄，展开会占掉消息区小半屏。
+				-->
+				<view
+					v-if="activeChatMode === 'writing' && writingTemplateMode"
+					class="writing-params"
+					:class="{ 'writing-params--open': writingParamsOpen }"
+				>
+					<view class="writing-params-head" @tap="toggleWritingParams">
+						<text class="writing-params-title">写作参数</text>
+						<text class="writing-params-hint">可选填，填了会一并提交</text>
+						<text v-if="writingParamCount" class="writing-params-count">已填 {{ writingParamCount }} 项</text>
+						<text class="writing-params-action">{{ writingParamsOpen ? '收起' : '展开' }}</text>
+					</view>
+					<scroll-view
+						v-if="writingParamsOpen"
+						scroll-y
+						:show-scrollbar="false"
+						class="writing-params-body"
+					>
+						<scroll-view scroll-x :show-scrollbar="false" class="option-scroll">
+							<view class="option-track">
+								<text class="option-label">类型</text>
+								<view
+									class="option-chip"
+									:class="{ 'option-chip--active': !writingParams.eventType, 'option-chip--disabled': loading }"
+									@tap="pickWritingEventType('')"
+								>不限</view>
+								<view
+									v-for="item in writingEventTypeOptions"
+									:key="item"
+									class="option-chip"
+									:class="{ 'option-chip--active': writingParams.eventType === item, 'option-chip--disabled': loading }"
+									@tap="pickWritingEventType(item)"
+								>{{ item }}</view>
+							</view>
+						</scroll-view>
+						<view class="param-field">
+							<text class="param-field-label">主题</text>
+							<input
+								v-model="writingParams.theme"
+								class="param-field-input"
+								:disabled="loading"
+								placeholder="春季植树志愿服务"
+								placeholder-class="param-placeholder"
+							/>
+						</view>
+						<view class="param-field">
+							<text class="param-field-label">时间</text>
+							<input
+								v-model="writingParams.time"
+								class="param-field-input"
+								:disabled="loading"
+								placeholder="2026年4月8日下午"
+								placeholder-class="param-placeholder"
+							/>
+						</view>
+						<view class="param-field">
+							<text class="param-field-label">地点</text>
+							<input
+								v-model="writingParams.location"
+								class="param-field-input"
+								:disabled="loading"
+								placeholder="校史馆广场"
+								placeholder-class="param-placeholder"
+							/>
+						</view>
+						<view class="param-field">
+							<text class="param-field-label">人员</text>
+							<input
+								v-model="writingParams.participants"
+								class="param-field-input"
+								:disabled="loading"
+								placeholder="青年志愿者代表120人"
+								placeholder-class="param-placeholder"
+							/>
+						</view>
+					</scroll-view>
+				</view>
+
 				<!-- 「添加附件」放在最左：它是要点的主操作，不能被滑到屏幕外 -->
 				<scroll-view
 					v-if="activeChatMode === 'image'"
@@ -257,6 +339,7 @@
 	import {
 		WRITING_DOC_TYPE_FREE,
 		WRITING_DOC_TYPE_OPTIONS,
+		WRITING_EVENT_TYPE_OPTIONS,
 		WRITING_WORD_COUNT_OPTIONS
 	} from './writing-params'
 	import {
@@ -292,11 +375,22 @@
 				chatModeOptions: CHAT_MODE_OPTIONS,
 				writingDocTypeOptions: WRITING_DOC_TYPE_OPTIONS,
 				writingWordCountOptions: WRITING_WORD_COUNT_OPTIONS,
+				writingEventTypeOptions: WRITING_EVENT_TYPE_OPTIONS,
 				IMAGE_FILE_LIMIT,
 				// 写作模式：默认「自由创作」——不套模板，原话直接交给 AI 创意助手
 				writingDocType: WRITING_DOC_TYPE_FREE,
 				// 字数只在选了文体后才有意义，默认不下发
 				writingWordCount: 'auto',
+				// 「写作参数」面板：选了文体才出现，默认收起；留空的字段不下发
+				writingParamsOpen: false,
+				writingParams: {
+					// 空串 = 不限，不替用户猜活动类型；选了才下发 event_type
+					eventType: '',
+					theme: '',
+					time: '',
+					location: '',
+					participants: ''
+				},
 				// 图片模式的参考素材（Dify 开始节点 file-list 变量 user_files）
 				imageFiles: [],
 				uploadingFiles: false,
@@ -336,11 +430,17 @@
 				return this.statusBarHeight + 44
 			},
 			canSend() {
+				if (!this.currentUser.userId || this.loading || this.uploadingFiles) {
+					return false
+				}
+				if (this.draft.trim()) {
+					return true
+				}
+				// 选了文体并填了写作参数时，正文可以先空着：亮点由参数与上游提示词补
 				return (
-					!!this.currentUser.userId &&
-					!!this.draft.trim() &&
-					!this.loading &&
-					!this.uploadingFiles
+					this.activeChatMode === 'writing' &&
+					this.writingTemplateMode &&
+					this.writingParamCount > 0
 				)
 			},
 			canPickImageFiles() {
@@ -350,6 +450,16 @@
 			writingTemplateMode() {
 				return this.writingDocType !== WRITING_DOC_TYPE_FREE
 			},
+			/**
+			 * 写作参数里用户真正填了几项。
+			 * 不算活动类型：它带着默认值「校园活动」，算进去会一打开就显示「已填 1 项」。
+			 */
+			writingParamCount() {
+				const params = this.writingParams || {}
+				return ['theme', 'time', 'location', 'participants'].filter((key) =>
+					String(params[key] || '').trim()
+				).length
+			},
 			assistantTitle() {
 				if (this.activeChatMode === 'writing') {
 					return 'AI 写作助手'
@@ -373,6 +483,9 @@
 					return '请先登录后使用 AI 助手'
 				}
 				if (this.activeChatMode === 'writing') {
+					if (this.writingTemplateMode) {
+						return '写清活动亮点、流程、成果等关键信息，会作为「亮点内容」提交；标题地点等可在上方「写作参数」里补'
+					}
 					return '描述你想创作的内容，例如：帮我写一段迎新晚会的主持人开场词，口语化一点（选了文体后才需要再定字数）'
 				}
 				if (this.activeChatMode === 'image') {
@@ -968,8 +1081,9 @@
 			 * 两条路，都不解析自然语言：
 			 * - 自由创作（未选文体）：原话整段作为 `userContent`，后端见 `docType` 为空
 			 *   就转「AI 创意助手」（只吃 `user_content`）；
-			 * - 选了文体：原话整段作为 `highlights`（核心亮点与具体要求），只下发界面
-			 *   上显式选过的 docType / number，其余可选字段留空交给上游。
+			 * - 选了文体：原话整段作为 `highlights`（核心亮点与具体要求），
+			 *   「写作参数」里填了的活动类型 / 主题 / 时间 / 地点 / 人员原样下发，
+			 *   没填的不带（后端 buildManuscriptInputs 会跳过空串）。
 			 *
 			 * 过去这里用 `parseWritingRequest` 从原话猜 doc_type / 字数 / 主题，
 			 * 猜错会把垃圾值当主控指令（issue 13）；现已废弃该解析，见 `./writing-params`。
@@ -984,11 +1098,34 @@
 					highlights: content,
 					files: []
 				}
+				const params = this.writingParams || {}
+				const optionalFields = {
+					eventType: params.eventType,
+					theme: params.theme,
+					time: params.time,
+					location: params.location,
+					participants: params.participants
+				}
+				Object.keys(optionalFields).forEach((key) => {
+					const value = String(optionalFields[key] || '').trim()
+					if (value) {
+						payload[key] = value
+					}
+				})
 				if (this.writingWordCount !== 'auto') {
 					payload.number = Number(this.writingWordCount)
 				}
 				return payload
 			},
+			/** 没写正文、只填了写作参数时，气泡上给一句说明，不留空消息 */
+			writingRequestSummary() {
+				const params = this.writingParams || {}
+				const parts = [
+					this.writingDocType,
+					params.theme || params.location || params.time
+				].filter((item) => String(item || '').trim())
+				return `（按写作参数生成：${parts.join(' · ')}）`
+			},
 			formatWritingResult(payload) {
 				if (typeof payload === 'string') {
 					return payload
@@ -1095,6 +1232,18 @@
 				}
 				this.writingWordCount = value
 			},
+			toggleWritingParams() {
+				if (this.loading) {
+					return
+				}
+				this.writingParamsOpen = !this.writingParamsOpen
+			},
+			pickWritingEventType(value) {
+				if (this.loading) {
+					return
+				}
+				this.writingParams.eventType = value
+			},
 			/**
 			 * 选参考素材。
 			 *
@@ -1398,6 +1547,12 @@
 					return
 				}
 				const query = this.draft.trim()
+				// 只填了写作参数、没写正文时，气泡上仍要有一句话，否则是一条空消息
+				const displayQuery =
+					query ||
+					(this.activeChatMode === 'writing' && this.writingTemplateMode
+						? this.writingRequestSummary()
+						: query)
 				this.loading = true
 				try {
 					const assistantId = this.createMessageId('assistant')
@@ -1406,7 +1561,7 @@
 						id: this.createMessageId('user'),
 						anchorId: this.createMessageId('anchor'),
 						role: 'user',
-						content: query,
+						content: displayQuery,
 						time: userTime
 					})
 					this.messageList.push({
@@ -1864,6 +2019,100 @@
 		opacity: 0.5;
 	}
 
+	/* 「写作参数」：只在选了文体时出现，默认收起，展开后按行堆叠（手机屏窄，不做两列） */
+	.writing-params {
+		margin-bottom: 12rpx;
+		padding: 12rpx 14rpx;
+		border-radius: 16rpx;
+		border: 1rpx dashed rgba(20, 150, 242, 0.28);
+		background: rgba(255, 255, 255, 0.86);
+	}
+
+	.writing-params--open {
+		border-style: solid;
+		background: rgba(255, 255, 255, 0.96);
+	}
+
+	.writing-params-head {
+		display: flex;
+		align-items: center;
+		gap: 10rpx;
+	}
+
+	.writing-params-title {
+		flex-shrink: 0;
+		font-size: 22rpx;
+		font-weight: 700;
+		color: #1496f2;
+	}
+
+	.writing-params-hint {
+		flex: 1;
+		min-width: 0;
+		overflow: hidden;
+		font-size: 20rpx;
+		color: #a59a94;
+		text-overflow: ellipsis;
+		white-space: nowrap;
+	}
+
+	.writing-params-count {
+		flex-shrink: 0;
+		padding: 2rpx 12rpx;
+		border-radius: 999rpx;
+		background: rgba(20, 150, 242, 0.12);
+		color: #1496f2;
+		font-size: 20rpx;
+		font-weight: 600;
+	}
+
+	.writing-params-action {
+		flex-shrink: 0;
+		font-size: 20rpx;
+		color: #1496f2;
+	}
+
+	/*
+		展开后限高 + 内部滚动：四个输入框 + 类型行全展开约 360rpx，
+		不限高会把输入框顶到 tabbar 后面（H5 与小程序都会）。
+	*/
+	.writing-params-body {
+		max-height: 340rpx;
+		margin-top: 12rpx;
+		padding-top: 12rpx;
+		border-top: 1rpx solid rgba(20, 150, 242, 0.12);
+	}
+
+	.param-field {
+		display: flex;
+		align-items: center;
+		gap: 12rpx;
+		margin-bottom: 8rpx;
+	}
+
+	.param-field-label {
+		flex-shrink: 0;
+		width: 56rpx;
+		font-size: 22rpx;
+		color: #8a7f79;
+	}
+
+	.param-field-input {
+		flex: 1;
+		min-width: 0;
+		height: 56rpx;
+		padding: 0 16rpx;
+		border-radius: 12rpx;
+		border: 1rpx solid rgba(20, 150, 242, 0.2);
+		background: #fff;
+		font-size: 22rpx;
+		color: #4a5560;
+	}
+
+	.param-placeholder {
+		color: #b8ada7;
+	}
+
 	.attach-list {
 		margin-bottom: 12rpx;
 	}
diff --git a/src/pages/assistant/writing-params.js b/src/pages/assistant/writing-params.js
index 2c584f3..5d7278a 100644
--- a/src/pages/assistant/writing-params.js
+++ b/src/pages/assistant/writing-params.js
@@ -38,3 +38,19 @@ export const WRITING_WORD_COUNT_OPTIONS = [
 	{ label: '1000字', value: '1000' },
 	{ label: '1500字', value: '1500' }
 ]
+
+/**
+ * 活动类型（上游 `event_type`）的候选值。
+ *
+ * 上游开始节点把 event_type 声明成普通 text-input，没有枚举约束，这里给一组常用值
+ * 只是为了让用户不用手打；与写作页 `pages/manuscript/index.vue` 的
+ * `EVENT_TYPE_OPTIONS`、web 侧 `writing-params.ts` 保持一致。
+ */
+export const WRITING_EVENT_TYPE_OPTIONS = [
+	'校园活动',
+	'志愿服务',
+	'会议论坛',
+	'社会实践',
+	'文体活动',
+	'品牌项目'
+]