feat(aia): Complete AIA V2.0 with universal streaming capabilities

Major Changes:
- Add StreamingService with OpenAI Compatible format
- Upgrade Chat component V2 with Ant Design X integration
- Implement AIA module with 12 intelligent agents
- Update API routes to unified /api/v1 prefix
- Update system documentation

Backend (~1300 lines):
- common/streaming: OpenAI Compatible adapter
- modules/aia: 12 agents, conversation service, streaming integration
- Update route versions (RVW, PKB to v1)

Frontend (~3500 lines):
- modules/aia: AgentHub + ChatWorkspace (100% prototype restoration)
- shared/Chat: AIStreamChat, ThinkingBlock, useAIStream Hook
- Update API endpoints to v1

Documentation:
- AIA module status guide
- Universal capabilities catalog
- System overview updates
- All module documentation sync

Tested: Stream response verified, authentication working
Status: AIA V2.0 core completed (85%)
This commit is contained in:
2026-01-14 19:15:01 +08:00
parent 3d35e9c58b
commit 1b53ab9d52
386 changed files with 52096 additions and 65238 deletions

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@@ -4,14 +4,13 @@
| :---- | :---- |
| **撖孵<E69296> PRD** | **PRD\_撌亙<E6928C>B\_<><5F><EFBFBD>蝏𤘪<E89D8F><F0A498AA>𡝗㦤<F0A19D97>其犖\_V2.md** |
| **<EFBFBD><EFBFBD>𧋦** | **V2.0** (<28><EFBFBD><E59786><EFBFBD>漣嚗𡁜<E59A97><E79285>鈭文<E988AD>撉諹<E69289>) |
| **状态** | Draft |
| **核心目标** | 构建一个高可信度的医疗文本结构化引擎,通过**双模型DeepSeek & Qwen并发提取**与**自动交叉验证**,解决 AI 幻觉问题。 |
| **<EFBFBD><EFBFBD>?* | Draft |
| **<EFBFBD><EFBFBD><EFBFBD><EFBFBD>** | <EFBFBD><EFBFBD>遣銝<EFBFBD>銝芷<EFBFBD><EFBFBD>臭縑摨衣<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>𧋦蝏𤘪<EFBFBD><EFBFBD><EFBFBD><EFBFBD>𠬍<EFBFBD><EFBFBD><EFBFBD>**<2A>峕芋<E5B395><EFBFBD>DeepSeek & Qwen嚗匧僎<E58CA7><EFBFBD><E78390>?*銝?*<2A>芸𢆡鈭文<E988AD>撉諹<E69289>**嚗諹圾<E8ABB9>?AI 撟餉<E6929F><E9A489><EFBFBD><E6A185>?|
## **1\. <20><EFBFBD><E9A2B1><EFBFBD>霈曇恣 (Architecture Overview)**
系统架构从“单线性流水线”升级为 **“Y型并发流水线”**。数据进入后,分发给两个不同的 LLM 模型并行处理,结果汇聚到“冲突检测引擎”进行比对,最后输出到人工验证网格。
### **1.1 系统架构图**
蝟餌<EFBFBD><EFBFBD><EFBFBD>隞𢛶<EFBFBD>𨅯<EFBFBD>蝥踵<EFBFBD><EFBFBD>瘞渡瑪<EFBFBD><EFBFBD>蝥找蛹 **<EFBFBD><EFBFBD>见僎<EFBFBD><EFBFBD>瘞渡瑪<EFBFBD>?*<2A><><EFBFBD><EFBFBD><E6A0AA><EFBFBD><EFBFBD><E59A97><EFBFBD>𤑳<EFBFBD>銝支葵銝滚<E98A9D><E6BB9A>?LLM 璅<E79285>撟嗉<E6929F><EFBFBD><E686AD>嚗𣬚<E59A97><F0A3AC9A>𨀣<EFBFBD><F0A880A3>𡁜<EFBFBD><F0A1819C>𨅯<EFBFBD><EFBFBD><E89D92>瘚见<E7989A><E8A781>𢛶<EFBFBD><EFBFBD>銵峕<E98AB5>撖對<E69296><E5B08D><EFBFBD><EFBFBD><EFBFBD><E88898><EFBFBD>鈭箏極撉諹<E69289>蝵烐聢<E78390>?
### **1.1 蝟餌<E89D9F><E9A48C><EFBFBD><E59786>?*
graph TD
Client\[React <20>滨垢 (Grid & Drawer UI)\]
@@ -46,50 +45,45 @@ graph TD
Orchestrator \--4.<2E><EFBFBD>--\> PII\_Engine
PII\_Engine \--5.撟嗉<E6929F><EFBFBD>鍂--\> ClientA & ClientB
ClientA & ClientB \--6.餈𥪜<E9A488>JSON--\> CrossValidator
CrossValidator \--7.计算一致性--\> PG
CrossValidator \--7.霈∠<EFBFBD><EFBFBD><EFBFBD><EFBFBD>?-\> PG
Client \--8.<2E><EFBFBD>蝵烐聢<E78390>唳旿--\> VerifyAPI
VerifyAPI \--9.鈭箏極鋆<E6A5B5><E98B86>--\> PG
## **2\. <20><><EFBFBD><EFBFBD><EFBFBD> (Tech Stack)**
| 层级 | 技术组件 | 选型理由 |
| <EFBFBD>漣 | <20><><EFBFBD><EFBFBD>隞?| <20><EFBFBD><E58CA7><EFBFBD> |
| :---- | :---- | :---- |
| **后端框架** | **Fastify 5.x** | 高性能异步 I/O适合处理高并发模型调用。 |
| **模型接入** | **LangChain.js** | 统一封装 DeepSeek Qwen 的调用接口,便于切换模型。 |
| **任务队列** | **BullMQ** | 核心组件。V2 需要利用 Flow 功能或手动编排来实现“等待两个模型都返回”的逻辑。 |
| **冲突检测** | **Lodash (基础) \+ Dice Coefficient (进阶)** | 用于比对两个 JSON 对象的字段差异。文本相似度可使用简单的 Dice 系数或 Levenshtein 距离,暂不需要重型向量库。 |
| **数据库** | **PostgreSQL 15** | 存储 JSONB 格式的双模型结果。 |
| **前端交互** | **React \+ TanStack Table** | V2 改为全景网格,数据量大时需要 TanStack Table (Headless) 配合虚拟滚动。 |
| **<EFBFBD>𡒊垢獢<EFBFBD>** | **Fastify 5.x** | 擃䀹<EFBFBD><EFBFBD><EFBFBD>郊 I/O嚗屸<E59A97><E5B1B8><EFBFBD><EFBFBD><E686AD>擃睃僎<E79D83>烐芋<E78390><EFBFBD><E8B49D><EFBFBD>?|
| **<EFBFBD><EFBFBD><EFBFBD>** | **LangChain.js** | 蝏煺<EFBFBD><EFBFBD><EFBFBD> DeepSeek <EFBFBD>?Qwen <EFBFBD><EFBFBD><EFBFBD><EFBFBD>冽𦻖<EFBFBD><EFBFBD><EFBFBD>靘蹂<EFBFBD><EFBFBD><EFBFBD>揢璅<EFBFBD><EFBFBD>?|
| **隞餃𦛚<EFBFBD><EFBFBD>** | **BullMQ** | <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>2 <20><><EFBFBD><EFBFBD>?Flow <20><EFBFBD><E8A098>𡝗<EFBFBD><F0A19D97><EFBFBD><E587BD>埝䔉摰䂿緵<E482BF>𦦵<EFBFBD><EFBFBD>舅銝芣芋<E88AA3><EFBFBD>餈𥪜<E9A488><F0A5AA9C><EFBFBD><E89098><EFBFBD><E9A489>?|
| **<EFBFBD><EFBFBD><EFBFBD>瘚?* | **Lodash (<EFBFBD><EFBFBD>) \+ Dice Coefficient (餈偦𧫴)** | <EFBFBD><EFBFBD>瘥𥪜笆銝支葵 JSON 撖寡情<E5AFA1><E68385><EFBFBD>畾萄榆撘<E6A686><E69298><EFBFBD><EFBFBD><EFBFBD>祉㮾隡澆漲<E6BE86>臭蝙<E887AD><EFBFBD><E587BD><EFBFBD> Dice 蝟餅㺭<EFBFBD>?Levenshtein 頝萘氖嚗峕<EFBFBD>銝漤<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>?|
| **<EFBFBD>唳旿摨?* | **PostgreSQL 15** | 摮睃<EFBFBD> JSONB <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>蝏𤘪<EFBFBD><EFBFBD>?|
| **<EFBFBD>滨垢鈭支<EFBFBD>** | **React \+ TanStack Table** | V2 <EFBFBD>嫣蛹<EFBFBD>冽艶蝵烐聢嚗峕㺭<EFBFBD><EFBFBD>憭扳𧒄<EFBFBD><EFBFBD>閬?TanStack Table (Headless) <EFBFBD><EFBFBD><EFBFBD>𡁏<EFBFBD>皛𡁜𢆡<EFBFBD>?|
## **3\. <20><EFBFBD><EFBFBD><E7989A>霈曇恣 (Core Logic)**
### **3.1 <20><EFBFBD>雿𤘪<E99BBF> (Health Check Logic)**
* **触发时机:** 用户在前端选择“文本列”的瞬间。
* **执行逻辑:**
1. 后端读取该列的前 100 行(不读全量)。
2. 计算统计指标:
* emptyRate: 空值 / 总行数。
* avgLength: 非空行的平均字符数。
3. **拦截策略:**emptyRate \> 0.8 avgLength \< 10,返回 status: 'BAD'
4. **Token 预估:** totalRows \* avgLength \* 1.5 (粗略估算)。
* **閫血<EFBFBD><EFBFBD>嗆㦤嚗?* <20><EFBFBD><E586BD><EFBFBD>蝡舫<E89DA1>㗇𥋘<E39787>𨀣<EFBFBD><F0A880A3><EFBFBD><E7A08D><EFBFBD><E89098>祇𡢿<E7A587>?
* **<EFBFBD><EFBFBD><EFBFBD><EFBFBD>嚗?*
1. <EFBFBD>𡒊垢霂餃<EFBFBD>霂亙<EFBFBD><EFBFBD><EFBFBD><EFBFBD> 100 銵䕘<E98AB5>銝滩粉<E6BBA9><EFBFBD>嚗剹<E59A97>?
2. 霈∠<EFBFBD>蝏蠘恣<EFBFBD><EFBFBD><EFBFBD>嚗?
* emptyRate: 蝛箏<EFBFBD>?/ <20><EFBFBD><E9A489><EFBFBD>?
* avgLength: <EFBFBD>䂿征銵𣬚<EFBFBD>撟喳<EFBFBD>摮㛖泵<EFBFBD><EFBFBD>?
3. **<EFBFBD>行⏛蝑𣇉裦嚗?* <20>?emptyRate \> 0.8 <EFBFBD>?avgLength \< 10嚗諹<EFBFBD><EFBFBD>?status: 'BAD'<EFBFBD>?
4. **Token <EFBFBD>摯嚗?* totalRows \* avgLength \* 1.5 (蝎㛖裦隡啁<EFBFBD>)<29>?
### **3.2 <20>𣬚𤩅<F0A3AC9A>𣂼<EFBFBD>銝𦒘漱<F0A69298><EFBFBD>霂?(Double-Blind & Validation)**
### **3.2 双盲提取与交叉验证 (Double-Blind & Validation)**
这是 V2 的心脏。
#### **A. 提示词工程 (Prompt Engineering)**
为了方便比对,必须强制两个模型输出**完全一致的 JSON 结构**。
餈蹱糓 V2 <20><><EFBFBD><EFBFBD><EFBFBD>?
#### **A. <20>鞟內霂滚極蝔?(Prompt Engineering)**
銝箔<EFBFBD><EFBFBD>嫣噶瘥𥪜笆嚗<EFBFBD><EFBFBD>憿餃撩<EFBFBD>嗡舅銝芣芋<EFBFBD><EFBFBD><EFBFBD>?*摰<><E691B0><EFBFBD><E98A9D><EFBFBD> JSON 蝏𤘪<E89D8F>**<2A>?
* **System Prompt:** "You are a medical structural extraction assistant..."
* **Constraint:** "Output strictly in JSON format. Keys must be: \['tumor\_size', 'lymph\_node', ...\]."
* **Temperature:** 设为 0追求最大确定性。
* **Temperature:** 霈曆蛹 0嚗諹蕭瘙<E895AD><E79899>憭抒摰𡁏<E691B0><EFBFBD>?
#### **B. 鈭文<E988AD>撉諹<E69289>蝞埈<E89D9E> (The Judge)**
Model A (DeepSeek) Model B (Qwen) 返回结果后,执行比对:
敶?Model A (DeepSeek) <EFBFBD>?Model B (Qwen) 餈𥪜<EFBFBD>蝏𤘪<EFBFBD><EFBFBD>𠬍<EFBFBD><EFBFBD><EFBFBD>瘥𥪜笆嚗?
function validate(jsonA, jsonB) {
const conflicts \= \[\];
const keys \= Object.keys(jsonA);
@@ -101,10 +95,10 @@ function validate(jsonA, jsonB) {
// 1\. 蝎曄<E69B84><EFBFBD>
if (valA \=== valB) continue;
// 2\. 数值归一化匹配 (如 "3cm" vs "3.0cm")
// 2\. <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>硋龪<EFBFBD>?(憒?"3cm" vs "3.0cm")
if (isNumber(valA) && isNumber(valB) && parse(valA) \=== parse(valB)) continue;
// 3\. (可选) 语义相似度匹配
// 3\. (<EFBFBD><EFBFBD>? 霂凋<E99C82><E5878B>訾撮摨血龪<E8A180>?
// if (similarity(valA, valB) \> 0.95) continue;
conflicts.push(key);
@@ -113,13 +107,12 @@ function validate(jsonA, jsonB) {
return conflicts.length \=== 0 ? 'CLEAN' : 'CONFLICT';
}
## **4\. 数据库设计 (Database Schema)**
V2 需要存储两份 AI 结果以及用户的裁决结果。
## **4\. <EFBFBD>唳旿摨栞挽霈?(Database Schema)**
V2 <20><><EFBFBD><E996AC><EFBFBD>其舅隞?AI 蝏𤘪<E89D8F>隞亙<E99A9E><E4BA99><EFBFBD><E586BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><E5969F><EFBFBD>?
### **Prisma Schema <20>湔鰵**
// 任务表
// 隞餃𦛚銵?
model ExtractionJob {
id String @id @default(uuid())
// ...<2E><EFBFBD>摮埈挾
@@ -128,7 +121,7 @@ model ExtractionJob {
targetFields Json // <20><EFBFBD>摮埈挾摰帋<E691B0> \[{name: "<22>輻𠈔憭批<E686AD>", desc: "..."}\]
}
// 单行记录表
// <EFBFBD><EFBFBD>霈啣<EFBFBD>銵?
model ExtractionItem {
id String @id @default(uuid())
jobId String
@@ -138,51 +131,47 @@ model ExtractionItem {
resultA Json? // DeepSeek 蝏𤘪<E89D8F> { "size": "3cm" }
resultB Json? // Qwen 蝏𤘪<E89D8F> { "size": "3.0 cm" }
// 冲突检测结果
// <EFBFBD><EFBFBD><EFBFBD>瘚讠<EFBFBD><EFBFBD>?
status ItemStatus // PENDING, CLEAN, CONFLICT, RESOLVED
conflictFields String\[\] // \["size"\] 记录哪些字段冲突了
conflictFields String\[\] // \["size"\] 霈啣<EFBFBD><EFBFBD><EFBFBD>摮埈挾<EFBFBD><EFBFBD>鈭?
// 最终采纳结果 (用户裁决后写入,或者一致时自动写入)
// <EFBFBD><EFBFBD><EFBFBD><EFBFBD>蝥喟<EFBFBD><EFBFBD>?(<28><EFBFBD><EFBFBD><E98B86><EFBFBD>𤾸<EFBFBD><F0A4BEB8><EFBFBD><E4BC90>𤥁<EFBFBD><F0A4A581><EFBFBD><EFBFBD>湔𧒄<E6B994>芸𢆡<E88AB8><EFBFBD>)
finalResult Json?
}
## **5\. <20>亙藁霈曇恣 (API Endpoints)**
### **5.1 模版与配置**
* GET /api/templates: 获取预设的疾病和报告模版列表。
* POST /api/jobs: 创建任务Payload 中需包含 diseaseType 和 reportType便于后端组装 Prompt。
### **5.1 璅∠<EFBFBD>銝𡡞<EFBFBD>蝵?*
* GET /api/templates: <20><EFBFBD><EFBFBD><EFBFBD><E68CBD>𪆴<EFBFBD><F0AA86B4><EFBFBD><EFBFBD><EFBFBD>璅∠<E79285><E288A0>𡑒”<F0A19192>?
* POST /api/jobs: <20>𥕦遣隞餃𦛚嚗釶ayload 銝剝<E98A9D><E5899D><EFBFBD>鉄 diseaseType <20>?reportType嚗䔶噶鈭𤾸<E988AD>蝡舐<E89DA1>鋆?Prompt<70>?
### **5.2 蝵烐聢撉諹<E69289> (Grid Verification)**
* GET /api/jobs/:id/rows: 分页获取验证数据。
* **Response:** 返回 originalText, resultA, resultB, conflictFields
* POST /api/items/:id/resolve: 单行裁决。
* **Payload:** { field: "tumor\_size", chosenValue: "3cm" }
* **Logic:** 更新 finalResult,如果该行所有冲突字段都已解决,将 status 更新为 RESOLVED
* GET /api/jobs/:id/rows: <EFBFBD><EFBFBD><EFBFBD><EFBFBD>撉諹<EFBFBD><EFBFBD>唳旿<EFBFBD>?
* **Response:** 餈𥪜<EFBFBD> originalText, resultA, resultB, conflictFields<EFBFBD>?
* POST /api/items/:id/resolve: <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>?
* **Payload:** { field: "tumor\_size", chosenValue: "3cm" }<EFBFBD>?
* **Logic:** <EFBFBD>湔鰵 finalResult<EFBFBD><EFBFBD><EFBFBD>𡏭砲銵峕<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>畾菟<EFBFBD>撌脰圾<EFBFBD><EFBFBD>撠?status <EFBFBD>湔鰵銝?RESOLVED<EFBFBD>?
## **6\. <20>滨垢霂衣<E99C82>霈曇恣 (Frontend)**
### **6.1 <20>冽艶撉諹<E69289>蝵烐聢 (Verification Grid)**
* **组件选型:** 依然推荐 **TanStack Table** (逻辑层) \+ **UI 组件库** (渲染层)。
* **<EFBFBD><EFBFBD><EFBFBD>嚗?* 靘萘<E99D98><E89098><EFBFBD> **TanStack Table** (<EFBFBD><EFBFBD>撅? \+ **UI <EFBFBD>辣摨?* (皜脫<E79A9C>撅?<3F>?
* **<2A><EFBFBD><E884A9><EFBFBD><E8A8AB>潭葡<E6BDAD><EFBFBD>**
* conflictFields.includes(column.id) 时,单元格渲染为**对比模式**。
* 显示两个小按钮:\[DS: 3cm\] \[QW: 3.0cm\]
* 用户点击任一按钮,触发 resolve API前端乐观更新Optimistic Update)为选中状态。
### **6.2 侧边栏原文 (Context Drawer)**
* **触发:** 点击表格行的空白处或“查看原文”图标。
* **功能:** 展示 originalText。
* **高亮优化:** 简单实现 String.indexOf 查找当前字段的值并标黄。
* 敶?conflictFields.includes(column.id) <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>潭葡<EFBFBD>㮖蛹**撖寞<E69296><E79285>**<2A>?
* <EFBFBD>曄內銝支葵撠𤩺<EFBFBD><EFBFBD><EFBFBD>\[DS: 3cm\] <EFBFBD>?\[QW: 3.0cm\]<EFBFBD>?
* <EFBFBD><EFBFBD><EFBFBD>孵稬隞颱<EFBFBD><EFBFBD>厰僼嚗諹圻<EFBFBD>?resolve API嚗<49><E59A97>蝡臭<E89DA1><EFBFBD><EFBFBD><EFBFBD>Optimistic Update嚗劐蛹<EFBFBD>劐葉<EFBFBD><EFBFBD><EFBFBD><EFBFBD>?
### **6.2 靘扯器<E689AF><EFBFBD><E8AAA9>?(Context Drawer)**
* **閫血<E996AB>嚗?* <20>孵稬銵冽聢銵𣬚<E98AB5>蝛箇蒾憭<E892BE><E686AD><EFBFBD>𨀣䰻<F0A880A3><EFBFBD><E8A781><EFBFBD><EFBFBD>嘥㦛<E598A5><E3A69B><EFBFBD>?
* **<2A><EFBFBD>嚗?* 撅閧內 originalText<78>?
* **擃䀝漁隡睃<E99AA1>嚗?* 蝞<><E89D9E><EFBFBD><E8A8AB>?String.indexOf <20>交𪄳敶枏<E695B6>摮埈挾<E59F88><E68CBE><EFBFBD>澆僎<E6BE86><E5838E><EFBFBD><EFBFBD>?
## **7\. 憌𡡞埯<F0A1A19E><EFBFBD>銝擧<E98A9D><EFBFBD>隡睃<E99AA1>**
| 瞏𨅯銁憌𡡞埯 | 閫<><E996AB><EFBFBD><EFBFBD> |
| :---- | :---- |
| **双倍 Token 成本** | 1\. 默认使用 DeepSeek (极低成本) \+ Qwen (低成本) 组合。 2\. 在“体检”阶段严格拦截无效数据。 |
| **处理速度慢** | 两个模型必须 **并发调用 (Promise.all)**,而不是串行。整体耗时取决于最慢的那个模型。 |
| **模型格式不听话** | Prompt 中增加 Few-Shot (少样本) 示例,明确展示 JSON 格式。如果 JSON 解析失败,自动重试 1 次。 |
| **前端网格卡顿** | 如果数据超过 1000 条,开启 Virtual Scrolling (虚拟滚动)。 |
| **<EFBFBD><EFBFBD><EFBFBD>?Token <EFBFBD>鞉𧋦** | 1\. 暺䁅恕雿輻鍂 DeepSeek (<EFBFBD><EFBFBD><EFBFBD><EFBFBD>鞉𧋦) \+ Qwen (雿擧<EFBFBD><EFBFBD>? 蝏<><E89D8F><EFBFBD>?2\. <20><EFBFBD><EFBFBD><EFBFBD><E79289>嗪𧫴畾萎艇<E8908E>潭㜃<E6BDAD><EFBFBD><E88AA3><EFBFBD><EFBFBD><EFBFBD>?|
| **<EFBFBD><EFBFBD><EFBFBD>笔漲<EFBFBD>?* | 銝支葵璅<E79285><EFBFBD>◆ **撟嗅<E6929F><EFBFBD>鍂 (Promise.all)**嚗諹<E59A97><EFBFBD><E494B6>臭葡銵䎚<E98AB5><E48E9A>㟲雿栞<E99BBF>埈𧒄<E59F88><EFBFBD>鈭擧<E988AD><E693A7><EFBFBD><EFBCB9><EFBFBD>葵璅<E79285><E288AA>?|
| **<EFBFBD><EFBFBD><EFBFBD>銝滚𨯬霂?* | Prompt 銝剖<EFBFBD><EFBFBD>?Few-Shot (撠烐甅<EFBFBD>? 蝷箔<E89DB7>嚗峕<E59A97>蝖桀<E89D96>蝷?JSON <20><EFBFBD><E6BE86><EFBFBD><EFBFBD><EFBFBD>?JSON 閫<><E996AB>憭梯揖嚗諹䌊<E8ABB9><EFBFBD>霂?1 甈<E79488>?|
| **<EFBFBD>滨垢蝵烐聢<EFBFBD>⊿▼** | <EFBFBD><EFBFBD><EFBFBD>唳旿頞<EFBFBD><EFBFBD> 1000 <20><EFBFBD><EFBFBD><E69298>?Virtual Scrolling (<EFBFBD>𡁏<EFBFBD>皛𡁜𢆡)<29>?|