WebConf Taiwan
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    # B2B 服務的 AI Agent 產品設計原則 - 李昆謀 {%hackmd o8oUosN0QnqMSkF1_6kH7g %} #### 📚 議程介紹 {%preview https://webconf.tw/agenda/1 %} ###### ▼▼▼ 開始筆記 ▼▼▼ 講者有 podcast: https://podcasts.apple.com/tw/podcast/%E6%90%9E%E4%BB%80%E9%BA%BC%E9%AC%BC/id1806939706 > 四個公司內部成功或失敗的故事,給大家啟示或火花 從「取代」到「賦能」的 AI 開發思維 演講者強調,AI 開發不應只是想著用 AI 取代現有功能(Replacement),而應該思考如何透過 AI 增強現有能力(Enhancement)或解決過去無法解決的商業問題。 Embedding model: text to vector 把一堆字弄成向量會變成一個向量空間 兩個相似的向量空間(例如兩篇暗黑破壞神的文章) 就可以做搜尋(用相似度來找) 於是就重新設計了商品搜尋 LLM 的超強語意理解 像錯字、標點等等都可以涵蓋 其實就是 RAG 這個東西 embedding的缺陷:模糊擴展很強,但精準度不高 例如顏色標籤不能忽略 所以後來改成 hybrid 新的結果就可以是 精準+擴展 人機協作 背鍋的人很重要 (HPU, Human Process Unit) x CPU x 檢核幫手(GPU) ## Ch1 - 傳統搜尋變成AI搜尋,後來發現其實要hybrid: replacement -> enchancement 想介入,干預排序 (HPU)有需商業需求、規則 → 老闆想要看到最前面的就要在最前面 搜尋引擎的進化:從向量模型到混合搜尋 (Search) 起點與挑戰: 團隊最初使用 Embedding Model(向量模型) 來解決傳統關鍵字搜尋無法處理語意、錯字或空格的問題。雖然解決了語意理解(例如把文字轉為向量找相似度),但卻產生了精準度問題。 案例: 搜尋「某品牌的白色托特包」,AI 可能會因為「托特包」的向量特徵太強,而找出一堆藍色或紅色的托特包,忽略了「白色」或「品牌」的限定。 解決方案: 回歸 Hybrid(混合模式)。結合傳統的關鍵字斷詞(處理精準規格,如顏色、品牌)與 AI 向量搜尋(處理語意模糊),並加上 Re-ranking(重新排序)機制,才能達到最佳搜尋體驗。 ## Ch2 - 與其生成,不如檢核 使用手冊 v.s. AI 後台幫手 輸入摘要 -> AI 解析 -> AI 生成 -> HPU 送出 context: Domain knowledge 活動符合品牌規範? 活動重複? 活動會使商品低於毛利? 因為折扣順序太複雜 結果客戶覺得:與其生成,不如檢核 「如果你想解決的問題,不是客戶想解決的問題, 那你就是那個問題」 行銷活動設定:從填表單到 AI Agent (Copilot) 痛點: 電商後台的行銷活動設定(如滿額折、紅配綠)非常複雜,欄位繁多,使用者操作困難。 AI 應用: 開發 AI Agent 讓使用者用「自然語言」說出想要的活動(如「我要做雙11活動...」),由 AI 自動填寫複雜的後台表單。 發現的問題: 使用者的指令通常缺乏 Context(上下文/情境),導致 AI 容易產生幻覺或填錯。 架構優化: 設計 Multi-Agent 架構:包含負責生成的 Composer 和負責檢查邏輯的 Auditor。 Human-in-the-loop:AI 填完表單後,必須由人類最終確認(Submit),確保活動設定無誤,這就是 Copilot 的概念(AI 輔助,人來決策)。 ## Ch3 - AI 客服 最一開始希望由 AI 取代客服 消費者 -> 客服 ↓ 消費者 -> AI Agent User -> LLM -> 品牌 KM vector DB + MCP + ... 會發生一些災難,因為客戶可能會寫程式什麼的 evaluation 評估之前的對話很重要,幫助改善原本的流程 消費者 -> AI Agent -> 客服 成本考量 那如果是這樣呢(用 AI 輔助客服 客服 Copilot): 消費者 -> 客服 -> AI Agent Agent 沒辦法解決所有的客服,沒有減少成本 客服+人類的成本 會多於本來純用人類的費用 無法說服老闆使用 客服 Agent -> 客服 Copilot AI 檢核人類客服 > [name=DanSnow] 人類要被 AI 奴役了 理解退貨理由 推薦提供優惠卷等銷售方式 客服系統:從成本中心轉為獲利中心 (CS Copilot) 迷思與轉變: 許多人想用 AI 完全取代客服以節省成本,但風險極高(AI 回答錯誤會導致客訴)。 策略演進: Copilot 模式: AI 先作為客服人員的助手,提示回答建議,由真人客服過濾後發送。 稽核 (Audit): 用 AI 來檢查真人客服的回答品質。 轉守為攻 (Sales): 這是最大的商業價值突破。當消費者詢問「訂單到哪了?」這類例行問題時,AI 可以順便偵測庫存並建議客服:「這雙鞋還有庫存,要不要推薦他買襪子有折扣?」。 商業價值: 透過 AI 將客服從單純的「解決問題(成本中心)」轉變為「創造銷售機會(獲利中心)」。即使 AI 開發有成本,但帶來的額外營收遠大於節省的人力成本。 ## Ch4 - 如何與 AI 協作撰寫 PRD ### <年中> 與 AI 協作出 PRD -> 讓 AI 看得懂 ![IMG_8962](https://hackmd.io/_uploads/SJuGNlYzZe.jpg) 結果:模糊的 PRD 產出模糊的產出 ![IMG_8963](https://hackmd.io/_uploads/HJOMNxKz-x.jpg) ### <年底> 從 PRD 到 Product Requirement Prototyping (PRP) => 由 PM 以 AI 工具產生一個 prototype ![IMG_8964](https://hackmd.io/_uploads/SkHk4gKGWg.jpg) 結論:PM 要會 Vibe Coding 嗎? Yes 開發流程變革:AI 驅動的開發 (AI Driven Development) 傳統 vs. 新流程: 過去是 PM 寫規格書 (PRD) -> 工程師寫 Code。現在提倡 PM 使用 AI 工具(如 Claude, NotebookLM)直接生成 PRP (Product Requirement Prototype)。 V-Model 的應用: 利用 AI 快速建立原型(Prototype),在開發初期就驗證需求是否正確(左側驗證),而非等到開發完才測試。 這讓 PM 不再只是寫文件,而是變成「Prototyping Master」,能更精準地與工程師溝通需求,減少開發後的修改成本。 ### 新工作方法:Agile Team / Scrum 的初衷 > 任何人都可以在 Scrum Team 中解任務。 透過 AI 讓這個初衷可以實踐,角色之間的界線變得模糊。 [V Model](https://www.wikiwand.com/en/articles/V-model_(software_development)) ![IMG_8965](https://hackmd.io/_uploads/H1bWXxtzWl.jpg) 這邊有談到同樣的議題: https://www.facebook.com/share/p/1BNHV2EVSV/ 問對問題 > 解決問題 ## 結語 > Enhancement > Replacement > Revoliution 最後提到,開發 AI 產品時,不應只關注技術模型(Model),更要關注 Context(情境) 與 商業價值。與其單純追求 AI 自動化,不如設計出能與人類協作(Copilot)、能為商業帶來增值(如客服轉銷售)的系統,這才是 AI 產品落地的關鍵。 ## Q&A 1. PM 做完 PRP 之後還要寫文件跟工程師對齊嗎? Ans: 透過 daily sync 對齊想像,減少文件的撰寫。 2. 如和在公司內導入 AI ?提供 AI 服務時該如何計價與收費? Ans: - 以鼓勵為主,撥預算給員工鼓勵大家使用。觀察大家的使用狀況,公司還是會有少部分工程師不使用 AI :) - 不是以 token 計價,而是以客戶能理解的價格去計算,如果超過會額外收費。以 AI 客服為例,平均一個問題 10 元(成本保密,有些毛利率空間)。 3. AI 的服務該如何更精準?該如何做 evaluation? Ans:不能完全的靠 LLM,還有很多工人智慧貼標的部分,才可以讓回覆跟商業邏輯更加的精準。 --- ###### 聊天區 議程首頁的方塊好煩 > [name=DanSnow] 真的,剛才正好在截圖,結果看到時,我還以為是我還在截圖模式 => +1 => 方塊不見了 {%preview https://www.youtube.com/watch?v=m8NAlDOCG6g %} chatbot沒弄好就變成免費chatgpt XD > [name=DanSnow] 這就是 gpt4free 的來源 我打客服,看到是機器人的時候,常常第一句話都是「請幫我接真人客服...」 =>我也是XDD 能不找真人就不找真人的我(茶 > 跟人溝通是最後選項 >>電話語音例外 不然轉來轉去還找不到選項 >>主流電話語音機器人的回應流程根本是製造痛苦,所以直接找真人,不聽機器人跳針最有效率 XD antigravity 出來真的pm都可以自己先做產品看看了 AI可以大福降低問問題的成本啊 有人有拍到剛剛水淹上來的那張ppt嗎XD 有(感謝!!看到了!!) 問對問題 > 解決問題 忍不住想補 ~~解決提出問題的人~~ XDD 萬解~ 再怎麼樣還是需要工人智慧的存在 請問講者有提供簡報連結嗎?

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