From 65b72b82cb6081e56f7a72afb26e97a7996392e8 Mon Sep 17 00:00:00 2001
From: skytek_xinliang <carl@skytek.com.tw>
Date: Mon, 4 May 2026 17:36:36 +0800
Subject: [PATCH] feat: renew mvp

---
 .gitignore                |   2 +
 AGENTS.md                 | 128 ++++-------
 PRD.md                    | 437 ++++++++++++--------------------------
 README.md                 | 337 ++++++++++-------------------
 package.json              |   5 +-
 src/cli.js                |  34 +--
 src/lib/agent.js          |  31 ---
 src/lib/config.js         |  38 +---
 src/lib/files.js          |   2 +-
 src/lib/html.js           | 303 +++++++++++++++++++++++++-
 src/lib/playwright-cli.js |  16 +-
 src/stages/diff.js        |  51 -----
 src/stages/doctor.js      |  14 +-
 src/stages/plan.js        | 126 -----------
 src/stages/run.js         | 103 ---------
 src/stages/scan.js        | 361 ++++++++++++++++++++++++-------
 src/stages/status.js      |  22 --
 src/stages/verify.js      |  50 -----
 test/cli-e2e.test.js      |  61 ++++--
 test/config.test.js       |   9 +-
 test/html.test.js         |  83 +++++++-
 21 files changed, 1036 insertions(+), 1177 deletions(-)
 create mode 100644 .gitignore
 delete mode 100644 src/lib/agent.js
 delete mode 100644 src/stages/diff.js
 delete mode 100644 src/stages/plan.js
 delete mode 100644 src/stages/run.js
 delete mode 100644 src/stages/status.js
 delete mode 100644 src/stages/verify.js

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..62ff859
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+.playwright-cli
+node_modules
diff --git a/AGENTS.md b/AGENTS.md
index 96320f9..8c4e88f 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -2,49 +2,48 @@
 
 ## 專案概念
 
-HTML Transform 是 prototype-driven orchestration framework。目標是把 HTML prototype 轉成可 review、可驗證、可追溯的 Vuetify frontend output。
+HTML Transform 是 prototype evidence 工具。目標是把 HTML prototype 轉成可 review、可驗證、可追溯的前端實作依據。
 
-這個 repo 目前是 MVP，不是完整產品。核心價值先放在 CLI pipeline 與 artifact-first workflow：
+目前只保留新 MVP 有價值的功能：
 
 ```text
-scan -> plan -> run -> diff -> verify
+doctor -> scan
 ```
 
-所有中間產物都寫到 `.ht/`，生成結果寫到 `output` 設定指向的資料夾，預設是 `packages/result`。
-
 ## 目前 MVP 狀態
 
 已完成：
 
-- `ht` CLI 骨架：`scan`、`plan`、`run`、`diff`、`verify`、`go`、`status`、`doctor`
-- `ht.config.js/json/ts` 設定載入
-- deterministic HTML evidence extraction
+- `ht doctor`
+- `ht scan`
+- `ht.config.js/json/ts/mjs` 設定載入
+- Vite static server
+- Playwright full-page screenshot
+- DOM summary artifact
+- accessibility tree artifact
+- browser resource failure metadata
 - `.ht/cache/prototype`
 - `.ht/spec/*.spec.json`
 - `.ht/spec/*.validation.json`
 - `.ht/spec/*.ui-contract.md`
-- `.ht/plan/tasklist.json`
-- `.ht/plan/project-conventions.md`
-- `.ht/plan/api-contract.md`
-- `.ht/plan/component-mapping.json`
-- `.ht/runs/<runId>/`
-- `.ht/diff/*.diff.html`
-- `.ht/verify/verification-report.json`
+- 頁面級 `pageContract`
 - 基本 E2E 測試
 
-尚未完成，不能假裝已完成：
+刻意不保留：
 
-- Playwright static server
-- 真實 full-page screenshot
-- 真實 DOM snapshot API
-- 真實 accessibility tree API
-- vision-based decomposition/extraction
-- Zod schema validation
-- 真實 coding agent invocation
-- 真實 visual similarity scoring
-- 完整 DOM-level 與 flow-level smoke tests
+- `ht plan`
+- `ht run`
+- `ht diff`
+- `ht verify`
+- `ht go`
+- `ht status`
+- Stage 2 decomposition
+- TaskList
+- output renderer
+- visual similarity scoring
+- coding agent invocation
 
-目前 screenshot 是 placeholder PNG，`diff` score 是 deterministic placeholder。
+不要重新加入未完成的 pipeline 骨架。只有在使用者明確要求某個能力，且需求足夠具體時才新增。
 
 ## 套件管理
 
@@ -62,21 +61,14 @@ pnpm typecheck
 
 這個專案使用 `@playwright/cli`，透過 shell command 操作 `playwright-cli`，不使用 MCP。
 
-原因：
-
-- PRD 的 pipeline 是 coding-agent orchestration，CLI 比 MCP 更適合放進可重跑 stage。
-- CLI invocation 較容易寫入 `.ht/runs`、logs、metadata 與 verification report。
-- 專案應避免依賴使用者全域環境。
-
 解析順序在 `src/lib/playwright-cli.js`：
 
 1. `node_modules/.bin/playwright-cli`
-2. 全域 `playwright-cli`
-3. `npx --no-install playwright-cli`
+2. package-local `node_modules/.bin/playwright-cli`
+3. 全域 `playwright-cli`
+4. `npx --no-install playwright-cli`
 
-`doctor` 必須能顯示 `playwright-cli (local)`、`playwright-cli (global)` 或 missing。
-
-專案級 Codex runtime skill 放在 `.codex/skills/playwright-cli`，本機全域也可能有一份在 `~/.codex/skills/playwright-cli`。處理 browser automation、snapshot、screenshot、trace、video、test generation 或 local web app testing 時，Codex 應優先使用專案級 skill；若沒有自動觸發，先讀取 `.codex/skills/playwright-cli/SKILL.md` 再操作。
+`doctor` 必須能顯示 `playwright-cli (local)`、`playwright-cli (package-local)`、`playwright-cli (global)`、`playwright-cli (npx-local)` 或 missing。
 
 安裝瀏覽器：
 
@@ -84,60 +76,38 @@ pnpm typecheck
 pnpm playwright-cli:install-browser
 ```
 
-Linux CI 或乾淨容器若需要系統 dependency，先 dry-run：
-
-```bash
-npx --no-install playwright-cli install-browser --with-deps --dry-run
-```
-
 ## 預設資料夾
 
 預設 config：
 
 ```text
 packages/prototype   # HTML prototype
-packages/web         # 既有 Vuetify frontend
-packages/api         # backend API/schema
-packages/result      # output
 .ht                  # tool artifacts
 ```
 
-目前 repo 可能沒有預設輸入資料夾。這時 `doctor` 回報 missing 是正確行為，不是 bug。
+本 repo 根目錄可用 `ht.config.mjs` 把 prototype 指到 `./prototype`。
 
 ## 開發原則
 
-- 遵守 PRD 的 artifact-first 思路。
+- 保持 MVP 邊界，只保留 `doctor` 與 `scan` 的實際價值。
 - 不要把 placeholder 包裝成完整實作。
-- 每個 stage 的失敗、缺少環境、skipped 都要明確寫入 report 或 CLI output。
-- 優先做可重跑、可檢查、可追溯的 deterministic behavior。
-- 不要讓 agent 修改 `prototype/`、`frontend/`、`backend/` 原始輸入資料夾；生成與執行 artifact 應限制在 `output/` 與 `.ht/`。
-- 保持 MVP 邊界，避免加泛用抽象或一開始支援所有 monorepo 形態。
-
-## JSDoc 原則
-
-- 依專案的 `jsdoc` skill 撰寫 JSDoc；這裡只補充 HTML Transform 專案特有規則。
-- JavaScript 的 JSDoc 優先補在 exported API、stage 入口、跨模組 helper，或描述非顯而易見契約與限制的位置；不為測試檔或區域性小函式刻意補註解。
-- JSDoc 使用繁體中文，並把說明重點放在 artifact、pipeline stage、MVP 限制、cache/placeholder 行為、輸入輸出契約等專案脈絡。
-- 不新增 `jsdoc` 產生 HTML 文件的設定、script 或 build step，除非使用者明確要求。
-- 補 JSDoc 不應順手 refactor、改行為、加抽象或擴大 scope。
+- 不要新增未完成 command。
+- Stage 2 decomposition 目前不做。
+- 每個輸出 artifact 都要能重跑與人工 review。
+- 不修改 `prototype/` 原始輸入資料夾。
+- 產物只寫入 `.ht/`。
 
 ## 驗證
 
 完成任何改動後至少執行：
 
 ```bash
-pnpm test
-pnpm typecheck
+pnpm --filter html-transform typecheck
+pnpm --filter html-transform test
+node packages/html-transform/src/cli.js doctor
+node packages/html-transform/src/cli.js scan
 ```
 
-若改到環境偵測、Playwright CLI、設定載入，也執行：
-
-```bash
-node src/cli.js doctor
-```
-
-若改到 stage pipeline，應確認 E2E 測試仍通過，或新增/更新 `test/cli-e2e.test.js`。
-
 ## 重要檔案
 
 - `PRD.md`：產品需求來源。
@@ -146,18 +116,10 @@ node src/cli.js doctor
 - `src/lib/config.js`：config loading。
 - `src/lib/html.js`：deterministic HTML evidence extraction。
 - `src/lib/playwright-cli.js`：Playwright CLI resolution。
-- `src/stages/*.js`：各 stage 實作。
-- `test/cli-e2e.test.js`：完整 CLI pipeline 測試。
+- `src/stages/doctor.js`：前置檢查。
+- `src/stages/scan.js`：capture、page contract、validation。
+- `test/cli-e2e.test.js`：doctor/scan E2E 測試。
 
-## 下一個最重要的方向
+## 下一個方向
 
-下一步最值得做的是把 Stage 1 做真：
-
-- local static server
-- `playwright-cli` 三 viewport screenshot
-- network/resource failure metadata
-- DOM snapshot artifact
-- accessibility snapshot artifact
-- cache hit 時跳過 screenshot
-
-這完成後，工具才會真正開始觀察 browser-rendered prototype，而不是只解析 HTML source。
+下一個有價值的方向是改善 `pageContract` 品質，例如更準確的 form label、table header、action 分類與 evidence warning。不要先做 TaskList 或自動寫 code。
diff --git a/PRD.md b/PRD.md
index 5340940..40d48d2 100644
--- a/PRD.md
+++ b/PRD.md
@@ -3,359 +3,188 @@
 
 | 欄位 | 內容 |
 |------|------|
-| 版本 | v0.1 |
-| 日期 | 2026-05-02 |
-| 狀態 | Draft |
+| 版本 | v0.3 |
+| 日期 | 2026-05-04 |
+| 狀態 | MVP |
 
 ---
 
 ## 1. 背景與目標
 
-HTML Transform 是一個安裝在 pnpm-workspace / monorepo 中的 prototype-driven orchestration framework。它讓工程師指定四個資料夾，由單一 coding agent 依序驅動完整 pipeline，將 HTML prototype 轉換為可運作、可維護的 Vuetify 前端實作，並用 backend API schema 對齊資料流。
+HTML Transform 是 prototype evidence 工具。它的目標不是完整自動化前端生成，而是把 HTML prototype 轉成可 review、可追溯、可交給 coding agent 實作的前置證據。
 
-**四個資料夾：**
+目前 MVP 只保留有實際價值的功能：
 
-| 識別子 | 說明 |
-|--------|------|
-| `prototype` | HTML prototype 來源 |
-| `frontend` | 已預先建立的 Vuetify 前端專案 |
-| `backend` | 已預先建立的 backend API 專案 |
-| `output` | 生成結果的寫入目標 |
+- 檢查 `scan` 前置條件。
+- 用真實瀏覽器擷取 prototype evidence。
+- 推論跨頁面的 App Structure Map。
+- 產生頁面級 UI Contract。
+- 驗證 UI Contract 與 DOM evidence 是否明顯衝突。
 
-**核心設計原則：** pipeline 的每個 stage 都產出可被人工 review 的 artifact，agent 的不確定性由結構化中間產物吸收，而非在最終輸出才暴露。HTML prototype 不是完整規格；rendered browser evidence、DOM/accessibility snapshot、`LayoutSpec`、project conventions、API contract、`TaskList` 才共同構成實作依據。
-
-**成功標準：**
-- 相同 prototype 執行兩次，`output` 資料夾的結果語意一致
-- Diff report 的平均 similarity score 高於 75%
-- `LayoutSpec` 的 `null` 欄位比率低於 30%
-- Stage 7 的 quality gates（typecheck、lint、test、route smoke test）全部通過，或明確標示為環境缺失而非實作失敗
-- 每次 run 都能回溯到對應的 screenshot、DOM snapshot、spec、plan、agent raw output 與 verification report
+不保留未完成的 pipeline 骨架。`plan`、`run`、`diff`、`verify`、`go`、`status` 已不屬於目前產品面。
 
 ---
 
-## 2. 系統架構
+## 2. CLI Scope
 
-```
-ht.config.ts
-     │
-     ▼
-┌─────────────────────────────────────────────────────┐
-│                   Orchestrator                      │
-│  （讀取 config，依序呼叫各 stage，傳遞中間產物）         │
-└──────┬──────────┬──────────┬──────────┬─────────────┘
-       │          │          │          │
-       ▼          ▼          ▼          ▼
-   [Stage 1]  [Stage 2]  [Stage 3]  [Stage 4]
-    Capture    Decompose   Extract    Validate
-       │          │          │          │
-       └──────────┴──────────┴──────────┘
-                       │
-                  LayoutSpec
-                       │
-              ┌────────┴────────┐
-              ▼                 ▼
-          [Stage 5]         [Stage 6]
-            Plan               Run
-          TaskList         coding agent
-                               │
-                          output/
-                               │
-                          [Stage 7]
-                         Diff & Verify
-                    reports + quality gates
-```
+| 指令 | 說明 |
+|------|------|
+| `ht doctor` | 檢查 `scan` 所需環境 |
+| `ht scan` | 產生 browser evidence、page contract、validation report |
 
-**Agent 角色：** 單一 coding agent（由 `ht.config.ts` 中的 `agent` 欄位指定，支援 claude-code、codex、gemini）全程驅動所有 stage，包含 vision 截圖分析、spec 提取、程式碼實作、diff 評分。Orchestrator 負責呼叫順序與中間產物的序列化，agent 負責每個 stage 的實際執行。
+沒有 Codex slash command。根目錄輸入 `/scan` 不會自動執行本工具。
 
 ---
 
 ## 3. 設定檔
 
-```typescript
-// ht.config.ts
-import { defineConfig } from 'html-transform'
+MVP 只使用 `prototype`：
 
-export default defineConfig({
-  prototype: './packages/prototype',
-  frontend:  './packages/web',
-  backend:   './packages/api',
-  output:    './packages/result',
-
-  agent: 'claude-code',   // 'claude-code' | 'codex' | 'gemini'
-
-  vision: {
-    viewport: { width: 1440, height: 900 },
-    captureStates: ['default', 'scrolled', 'mobile'],
-    includeDomSnapshot: true,
-    includeAccessibilityTree: true,
-  },
-
-  project: {
-    packageManager: 'pnpm',
-    frontendFramework: 'vue3',
-    uiLibrary: 'vuetify3',
-    qualityCommands: {
-      typecheck: 'pnpm typecheck',
-      lint: 'pnpm lint',
-      test: 'pnpm test',
-    },
-  },
-
-  plan: {
-    interactiveReview: true,   // Stage 5 完成後暫停，等待人工確認 TaskList
-    requireApiContractMatch: true,
-  },
-
-  diff: {
-    scoreThreshold: 75,        // 低於此分數的 region 在 report 中標示警告
-    requireDomChecks: true,
-    requireFlowChecks: true,
-  },
-})
-```
-
----
-
-## 4. Pipeline 詳細需求
-
-### Stage 1：Capture
-
-**目的：** 產出 prototype 的視覺真相，取代 agent 腦補的渲染結果。
-
-| 需求 ID | 說明 |
-|---------|------|
-| F1-1 | 對每個 `.html` 檔案，以 desktop（1440×900）、tablet（768×1024）、mobile（375×812）各截一張全頁截圖 |
-| F1-2 | 以本地 static server 提供 prototype 檔案，避免 `file://` 協定的 CORS 問題 |
-| F1-3 | 截圖前等待 `networkidle`，再額外等待 500ms，確保 CSS animation 穩定 |
-| F1-4 | 以原始 `.html` 檔案的 SHA-256 hash 作為 cache key；hash 未變動時跳過截圖 |
-| F1-5 | 截圖儲存至 `.ht/cache/prototype/{filename}/{viewport}-{state}.png` |
-| F1-6 | 對每個 viewport/state 產出 DOM summary 與 accessibility tree snapshot，作為 Stage 2–5 的非視覺 evidence |
-| F1-7 | 記錄外部資源載入失敗清單（font、image、script、stylesheet），寫入 capture metadata |
-
-**產出物：** `.ht/cache/prototype/` 下的截圖、DOM snapshot、accessibility snapshot 與 capture metadata
-
----
-
-### Stage 2：Decompose
-
-**目的：** 識別頁面的主要區域，為 Stage 3 的局部提取做準備。直接對整頁截圖做一次性提取，精度低且不穩定；分區後再提取可大幅降低錯誤率。
-
-| 需求 ID | 說明 |
-|---------|------|
-| F2-1 | 以 desktop 截圖呼叫 agent（vision 模式），識別頁面主要區域 |
-| F2-2 | 回傳 JSON array，每個 item 包含 `id`、`name`、`rough_position`、`element_count_estimate`、`semantic_role` |
-| F2-3 | 依據 `rough_position`，用 Playwright `clip` 截取每個 region 的局部截圖 |
-| F2-4 | Prompt 明確要求只回 JSON，不附任何說明文字 |
-| F2-5 | 使用 Stage 1 的 DOM summary 與 accessibility tree 輔助確認 region 名稱、可互動元素與文字，不只依賴截圖 |
-
-**產出物：** `PageDecomposition` JSON（含各 region 的局部截圖路徑）
-
----
-
-### Stage 3：Extract
-
-**目的：** 從每個 region 截圖提取結構化的 `LayoutSpec`。
-
-| 需求 ID | 說明 |
-|---------|------|
-| F3-1 | 每個 region 獨立呼叫 agent，輸入該 region 的局部截圖 |
-| F3-2 | Prompt 以填空題形式提供 `LayoutSpec` JSON 結構，要求 agent 填值而非自由生成 |
-| F3-3 | `vuetifyComponent` 必須是 Vuetify 3 的真實 component 名稱（對照白名單驗證） |
-| F3-4 | 不確定的欄位填 `null`，Prompt 明確禁止猜測 |
-| F3-5 | `colorPalette` 只填截圖中實際出現的色碼（hex 或 rgba） |
-| F3-6 | `textSamples` 填截圖中可見的真實文字，最多 3 筆 |
-| F3-7 | 對表單、列表、表格、導覽與 action button 產出 `uiContract` 欄位，描述 label、field type、required 狀態、主要/次要 action、可觀察互動 |
-| F3-8 | 若 DOM/accessibility evidence 與 vision 判讀衝突，保留 `warnings`，不得任意合併成確定結論 |
-
-**產出物：** 每個 region 的 `RegionSpec` JSON
-
----
-
-### Stage 4：Validate
-
-**目的：** 確保 `LayoutSpec` 符合 schema，自動修復可修復的問題，標記需要人工介入的頁面。
-
-| 需求 ID | 說明 |
-|---------|------|
-| F4-1 | 以 Zod schema 驗證每個 region 的 extract 結果 |
-| F4-2 | `vuetifyComponent` 不合法時，查 Vuetify 3 白名單找最相近的名稱並自動修正 |
-| F4-3 | 色碼格式不合法時，嘗試 normalize；無法修正時填 `null` |
-| F4-4 | 產出 `ValidationReport`，記錄 `autoFixedCount`、`nullFieldCount`、`warnings` |
-| F4-5 | `nullFieldCount` 超過 30% 時，將該頁標記為 `requiresHumanReview: true`，並在 CLI 輸出警告 |
-| F4-6 | 語意驗證 region 數量、文字樣本、主要 action、表單欄位與 DOM/accessibility evidence 是否一致 |
-| F4-7 | 產出人工可讀的 `ui-contract.md` 摘要，讓使用者可在實作前 review prototype contract |
-
-**產出物：** 完整的 `LayoutSpec` JSON（儲存至 `.ht/spec/{filename}.spec.json`）+ `ValidationReport` + `ui-contract.md`
-
----
-
-### Stage 5：Plan
-
-**目的：** 將 `LayoutSpec` 拆解為 agent 可逐一執行的 `TaskList`，讓 Stage 6 的執行單元保持小而可控。
-
-| 需求 ID | 說明 |
-|---------|------|
-| F5-1 | 讀取 `LayoutSpec`、`frontend/` 的現有元件、`backend/` 的 API schema，產出 `TaskList` |
-| F5-2 | 每個 Task 對應一個 page 或 component，包含：`id`、`type`、`targetFile`、`specReference`、`apiDependencies` |
-| F5-3 | Task 之間的依賴關係以 `dependsOn` 陣列表示，Orchestrator 依此決定執行順序 |
-| F5-4 | `ht.config.ts` 中 `plan.interactiveReview: true` 時，產出 TaskList 後暫停，輸出預覽並等待使用者輸入 `y` 繼續 |
-| F5-5 | `TaskList` 儲存至 `.ht/plan/tasklist.json`，支援手動編輯後重新執行 Stage 6 |
-| F5-6 | 掃描 `frontend/` 產出 `project-conventions.md`，至少包含 routing、Vuetify 使用方式、表單封裝、API client/composable、Pinia、validation、i18n、測試慣例 |
-| F5-7 | 掃描 `backend/` 產出 `api-contract.md`；若存在 OpenAPI 優先使用，否則從 TypeScript interface、controller、route 或 markdown 抽象 endpoint contract |
-| F5-8 | 產出 `component-mapping.json`，描述 prototype region/section 對應 Vuetify component 或既有自訂 wrapper 的映射 |
-| F5-9 | `plan.requireApiContractMatch: true` 時，Task 不得引用 `api-contract.md` 未列出的 endpoint；缺口須產出 `contractProposal` 並標記需人工確認 |
-
-**TaskList 結構（摘要）：**
-
-```typescript
-interface Task {
-  id: string
-  type: 'page' | 'component' | 'api-integration'
-  targetFile: string           // 相對於 output/ 的路徑
-  specReference: string        // 對應 LayoutSpec 的 regionId
-  apiDependencies: string[]    // backend API endpoint 清單
-  inputArtifacts: string[]     // spec、contract、conventions、mapping 等 artifact 路徑
-  acceptanceChecks: string[]   // 此 task 完成後必須通過的檢查
-  dependsOn: string[]          // 其他 task id
-  status: 'pending' | 'running' | 'done' | 'error'
+```js
+export default {
+  prototype: './prototype'
 }
 ```
 
-**產出物：** `.ht/plan/tasklist.json`、`.ht/plan/project-conventions.md`、`.ht/plan/api-contract.md`、`.ht/plan/component-mapping.json`
+本 repo 的根目錄設定檔可以保留其他欄位給外部工作流參考，但 `packages/html-transform` 不會執行 frontend/backend/output 相關流程。
 
 ---
 
-### Stage 6：Run
+## 4. Stage 1：Capture
 
-**目的：** 讓 coding agent 依序執行 TaskList，將 Vuetify 元件與 API 整合寫入 `output/`。
+目的：取得 prototype 的瀏覽器真相，避免只看 HTML source 或讓 agent 腦補畫面。
 
-| 需求 ID | 說明 |
-|---------|------|
-| F6-1 | Orchestrator 依 `dependsOn` 拓撲排序，逐一將 task 交給 agent 執行 |
-| F6-2 | 每個 task 的 prompt context 包含：對應的 `RegionSpec`、`ui-contract.md` 摘要、`project-conventions.md`、`component-mapping.json`、`targetFile` 的現有內容（若存在）、相關 API contract |
-| F6-3 | Agent 的輸出直接寫入 `output/{targetFile}`；寫入前備份至 `.ht/backup/` |
-| F6-4 | Task 執行失敗時標記 `status: 'error'`，記錄錯誤訊息，繼續執行無依賴的後續 task |
-| F6-5 | 支援 `ht run --retry-failed` 指令，只重新執行 `status: 'error'` 的 task |
-| F6-6 | 每個 task 完成後更新 `.ht/plan/tasklist.json` 的 `status` 欄位 |
-| F6-7 | Agent invocation 必須限制 `allowedPaths`，預設只能寫入 `output/` 與 `.ht/`；不得修改 `prototype/`、`frontend/`、`backend/` 原始輸入資料夾 |
-| F6-8 | 每次 agent raw output、changed files、exit code、stderr/stdout summary 寫入 `.ht/runs/{runId}/agent/` |
+需求：
 
-**產出物：** `output/` 資料夾中的 Vuetify 元件與整合程式碼
+| ID | 說明 |
+|----|------|
+| F1-1 | 對每個 `.html` 檔案截取 desktop `1440 x 900` full-page screenshot |
+| F1-2 | 使用本地 Vite static server，不使用 `file://` |
+| F1-3 | 截圖前等待 `networkidle`，再等待 500ms |
+| F1-4 | 以 HTML SHA-256 hash 作為 cache key，未變更時跳過重新截圖 |
+| F1-5 | 截圖寫入 `.ht/cache/prototype/{page}/desktop-default.png` |
+| F1-6 | 產出 `dom-summary.json` 與 `accessibility-tree.json` |
+| F1-7 | 產出 `capture-metadata.json`，記錄 resource failure 與 console error/warning |
+| F1-8 | 產出 `.ht/app-map.json`，推論頁面角色與 layout 策略 |
+
+產出：
+
+```text
+.ht/cache/prototype/{page}/desktop-default.png
+.ht/cache/prototype/{page}/dom-summary.json
+.ht/cache/prototype/{page}/accessibility-tree.json
+.ht/cache/prototype/{page}/capture-metadata.json
+.ht/app-map.json
+```
 
 ---
 
-### Stage 7：Diff & Verify
+## 5. Stage 2：Decompose
 
-**目的：** 量化 `output/` 的結果與 prototype 的視覺相似度，並以 deterministic checks 優先驗證實作品質，讓工程師能快速判斷生成結果是否可交付。
+MVP 不執行。
 
-| 需求 ID | 說明 |
-|---------|------|
-| F7-1 | 對 `output/` 中每個頁面以相同 viewport 截圖 |
-| F7-2 | 將 output 截圖與 Stage 1 的 prototype 截圖交給 agent 評分（0–100），判斷視覺相似度 |
-| F7-3 | 產出靜態 HTML report，每行並排顯示：prototype 截圖、output 截圖、similarity score |
-| F7-4 | Score 低於 `ht.config.ts` 中 `diff.scoreThreshold`（預設 75）的項目以警告色標示 |
-| F7-5 | Report 儲存至 `.ht/diff/{filename}.diff.html`，執行完畢後在 CLI 輸出 report 路徑 |
-| F7-6 | 執行 `project.qualityCommands` 中設定的 typecheck、lint、test；缺少指令時記錄為 `skipped` 並說明原因 |
-| F7-7 | 執行 DOM-level checks：主要文字、form label、table/list item、primary/secondary action 是否存在且可互動 |
-| F7-8 | 執行 flow-level checks：可由 `LayoutSpec.interactions` 推導的 drawer、tab、modal、form submit、navigation 等互動 smoke test |
-| F7-9 | 採 deterministic first, agent fallback second：固定檢查失敗時才呼叫 agent 協助分析原因，不讓 agent 取代可重跑驗證 |
-| F7-10 | 產出 `VerificationReport`，彙整 quality commands、DOM checks、flow checks、visual diff 與人工需處理項目 |
+不做的項目：
 
-**產出物：** `.ht/diff/` 下的靜態 HTML report + `.ht/verify/verification-report.json`
+- 不呼叫 vision agent 切主要區域。
+- 不產生 `decomposition.json`。
+- 不用 Playwright `clip` 截取 table/form/main 等局部圖。
+- 不建立 region-first extraction pipeline。
 
 ---
 
-## 5. CLI 指令設計
+## 6. Stage 3-lite：Page Contract
 
-| 指令 | 說明 |
+目的：從 Stage 1 evidence 與 HTML source 產生頁面級 UI Contract。
+
+需求：
+
+| ID | 說明 |
+|----|------|
+| F3-1 | 每個 HTML 產出一份 `pageContract` |
+| F3-2 | `pageContract` 以整頁為單位，不以 region screenshot 為單位 |
+| F3-3 | 記錄 source、screenshot、title、sections、forms、tables、actions、textSamples |
+| F3-4 | 建議 Vuetify components 必須來自 MVP 白名單 |
+| F3-5 | forms 記錄 labels、fields、required 狀態與 actions |
+| F3-6 | tables 記錄 headers 與少量 sample rows |
+| F3-7 | 不確定或 evidence 對不上時保留 warnings |
+
+產出：
+
+```text
+.ht/spec/{page}.spec.json
+.ht/spec/{page}.ui-contract.md
+```
+
+`.spec.json` 目前仍保留 `regions` 欄位作為相容層，但它不是 MVP 的主要設計中心。
+
+---
+
+## 6.1 App Structure Map
+
+目的：讓通用 prompt 不必靠人工說明，就能知道每個 prototype 應如何放進前端 app。
+
+產出：
+
+```text
+.ht/app-map.json
+```
+
+每個 route 應包含：
+
+| 欄位 | 說明 |
 |------|------|
-| `ht scan` | 執行 Stage 1–4（Capture → Validate），產出 `LayoutSpec` |
-| `ht plan` | 執行 Stage 5，產出 `TaskList`；`interactiveReview: true` 時暫停等待確認 |
-| `ht run` | 執行 Stage 6，依 `TaskList` 驅動 agent 寫入 `output/` |
-| `ht run --retry-failed` | 只重新執行 `status: 'error'` 的 task |
-| `ht diff` | 執行 Stage 7 的 visual diff，產出 similarity report |
-| `ht verify` | 執行 Stage 7 的 quality commands、DOM checks 與 flow checks |
-| `ht go` | 依序執行全部 stage（scan → plan → run → diff → verify） |
-| `ht status` | 顯示目前 `TaskList` 的執行狀態摘要 |
-| `ht doctor` | 檢查 pnpm workspace、Playwright、agent CLI、Vuetify component whitelist、quality commands 是否可用 |
+| `prototype` | prototype 相對路徑 |
+| `kind` | `auth`、`auth-support`、`legacy-shell-reference`、`prototype-navigation`、`feature-page` 或 `reference` |
+| `module` | 由資料夾推論的功能模組 |
+| `targetRole` | 對前端實作的角色提示 |
+| `layout` | `template-auth`、`template-app` 或 `ignore` |
+| `usePrototypeStyle` | MVP 固定為 `false` |
+| `usePrototypeContent` | 是否採用 prototype 的內容資訊架構 |
+| `routeHint` | 可用的路由建議，無正式頁面時為 `null` |
+
+推論規則：
+
+- password input 或登入/忘記密碼文字：`auth`。
+- `portal/app-layout.html`、`portal/menu-pane.html`、`portal/index.html` 或含登出/隱藏選單：`legacy-shell-reference`。
+- 非 portal 且有 table/form/action：`feature-page`。
+- module index 若像 prototype 導覽頁：`prototype-navigation`。
+- layout 與 login style 來源固定為 `preparation/skt-vuetify-templates`。
 
 ---
 
-## 6. 資料夾結構
+## 7. Stage 4-lite：Validate Contract
 
-```
-monorepo/
-├── ht.config.ts
-├── packages/
-│   ├── prototype/       ← 輸入：HTML prototype
-│   ├── web/             ← 輸入：Vuetify 前端專案（預先建立）
-│   ├── api/             ← 輸入：Backend API（預先建立）
-│   └── result/          ← 輸出：生成結果
-└── .ht/                 ← 工具產出的所有中間產物與 cache
-    ├── cache/prototype/ ← Stage 1 截圖
-    ├── spec/            ← Stage 4 LayoutSpec JSON
-    ├── plan/            ← Stage 5 TaskList JSON
-    ├── runs/            ← 每次 run 的狀態、log、agent raw output、artifact 索引
-    ├── backup/          ← Stage 6 寫入前的備份
-    ├── verify/          ← Stage 7 verification report
-    └── diff/            ← Stage 7 similarity report
-```
+目的：確認 UI Contract 與 browser evidence 沒有明顯衝突。
 
-**Run artifact 結構：**
+需求：
 
-```
-.ht/runs/
-└── 2026-05-02-001/
-    ├── run.json
-    ├── screenshots/
-    ├── dom-snapshots/
-    ├── agent/
-    ├── logs/
-    └── artifact-index.json
+| ID | 說明 |
+|----|------|
+| F4-1 | 驗證 `textSamples` 是否可在 DOM summary 找到 |
+| F4-2 | 驗證 actions 是否可在 DOM summary 找到 |
+| F4-3 | 驗證 form labels 是否可在 DOM summary 找到 |
+| F4-4 | 驗證建議 Vuetify components 是否在白名單內 |
+| F4-5 | 產出 `ValidationReport`，包含 warnings、nullFieldCount、nullFieldRatio、requiresHumanReview |
+
+產出：
+
+```text
+.ht/spec/{page}.validation.json
 ```
 
 ---
 
-## 7. 非功能需求
+## 8. 非目標
 
-| 類別 | 需求 |
-|------|------|
-| 效能 | 單一 HTML 頁面的 Stage 1–4 完整執行不超過 60 秒 |
-| 可復現性 | Cache 命中時跳過截圖與 extract，相同輸入產出相同結果 |
-| 可觀測性 | 每個 stage 完成後輸出 log，記錄耗時、agent call 次數、cache 命中狀態 |
-| 錯誤隔離 | 單一 task 或 region 失敗不中斷整體流程，標記後繼續執行 |
-| 可介入性 | `TaskList` 支援手動編輯；`interactiveReview` 模式允許人工在 Plan 後介入 |
-| 可追溯性 | 每個輸出檔案都能追溯到 input artifact、agent invocation、task id 與 run id |
-| 邊界控制 | Agent 預設只可寫入 `output/` 與 `.ht/`，所有輸入資料夾視為 read-only |
+MVP 不追求：
 
----
+- tablet/mobile 多 viewport capture。
+- region decomposition。
+- 每個 region 獨立 vision extraction。
+- TaskList 產生。
+- 自動寫入 frontend/output。
+- visual similarity scoring。
+- flow smoke test。
+- 全自動 coding agent invocation。
 
-## 8. 風險與假設
-
-| 風險 | 程度 | 緩解策略 |
-|------|------|---------|
-| Vision 分析精度不足，`null` 欄位過多 | 高 | Spike 驗證後調整 prompt；人工補充 spec |
-| Prototype 引用外部資源，截圖不完整 | 中 | Local static server + `networkidle` 等待 |
-| Agent 生成的程式碼不符合既有前端專案的規範 | 中 | Prompt context 包含現有元件與 coding style；task 單元保持小 |
-| Backend API 不足以支援 prototype 行為 | 中 | Stage 5 產出 `contractProposal` 並要求人工確認，不讓 agent 自行發明 endpoint |
-| 只靠 screenshot similarity 造成假陽性 | 中 | Stage 7 加入 DOM-level、flow-level 與 project quality checks |
-| Vuetify component 白名單不完整，自動修正失敗 | 低 | 預先整理 Vuetify 3 全量 component 清單 |
-
-**核心假設：**
-- Prototype 在現代瀏覽器中能正確渲染
-- `frontend/` 專案已有基本的 Vuetify 3 設定與 project structure
-- `backend/` 專案有可讀的 API schema（OpenAPI 或 TypeScript interface）
-- 第一版 MVP 聚焦單一 HTML prototype → 單一 Vue page/component → 既有 API client → `output/` 結果，不追求一開始支援所有 monorepo 形態
-
----
-
-## 9. 開發里程碑
-
-| 里程碑 | 涵蓋 Stage | 完成條件 |
-|--------|-----------|---------|
-| M0：Spike | Stage 1–3（手動） | 手動截圖 + 手動 prompt，驗證 `null` 欄位 < 30% |
-| M1：Vision Pipeline | Stage 1–4 | `ht scan` 可對一個 HTML 頁面產出完整 `LayoutSpec`、DOM snapshot 與 `ui-contract.md` |
-| M2：Plan | Stage 5 | `ht plan` 可產出 `TaskList`、`project-conventions.md`、`api-contract.md`、`component-mapping.json`，interactive review 可運作 |
-| M3：Run | Stage 6 | `ht run` 可驅動 agent 對一個頁面完整執行並寫入 `output/` |
-| M4：Diff & Verify | Stage 7 | `ht diff` 可產出 similarity report，`ht verify` 可執行 quality、DOM、flow checks |
-| M5：整合 | 全部 | `ht go` 全流程可在真實 monorepo 中穩定執行 |
+這些能力只有在實際需求明確出現後才新增。
diff --git a/README.md b/README.md
index 8fcead8..8d16b19 100644
--- a/README.md
+++ b/README.md
@@ -1,290 +1,173 @@
-## A prototype-driven orchestration framework for CLI coding agents in TypeScript monorepos
+## HTML Transform
 
-- **prototype-driven**：不是純 spec，也不是純 code-first。
-- **orchestration framework**：主體是 workflow 與 gates，不是模型本身。
-- **CLI coding agents**：Claude Code、Codex、Gemini 只是 adapter targets，不是核心。
+HTML Transform 是 prototype evidence 工具。現行 MVP 只做兩件事：
 
-## MVP
+- `doctor`：檢查執行 `scan` 需要的前置條件。
+- `scan`：讀取 HTML prototype，產生瀏覽器證據與頁面級 UI Contract。
+- `app-map.json`：推論每個 prototype 的頁面角色與 layout 使用策略。
 
-這個版本提供一個可執行的 `ht` CLI 骨架，依照 PRD 的 stage 產出可 review 的中間 artifact：
+不提供 `plan`、`run`、`diff`、`verify`、`go`、`status`。這些舊骨架已移除，避免把尚未完成的自動化流程誤認成可用功能。
 
-- `ht scan`：讀取 `prototype/` HTML，產生 `.ht/cache/prototype/`、`.ht/spec/*.spec.json`、`ui-contract.md`
-- `ht plan`：掃描 frontend/backend，產生 `.ht/plan/tasklist.json`、conventions、API contract、component mapping
-- `ht run`：依 TaskList 產生 Vuetify `.vue` 檔到 `output/`
-- `ht diff`：產生 `.ht/diff/*.diff.html`
-- `ht verify`：執行 quality commands 並產生 `.ht/verify/verification-report.json`
-- `ht go --yes`：串起完整流程
+## MVP 範圍
 
-外部 vision/agent/Playwright 尚未假裝成已整合；目前以 deterministic HTML evidence 建立 MVP artifact，缺少的執行環境會在 report 或 `ht doctor` 中明確標示。
+`scan` 會執行：
 
-## 使用方式
+```text
+Stage 1 Capture
+Stage 3-lite Page Contract
+Stage 4-lite Contract Validation
+```
 
-### 1. 確認 Node 版本
+Stage 2 decomposition 不執行。現有 prototype 主要是後台系統頁面，重點是表單、查詢條件、表格、actions 與資訊架構；切 region screenshot 對 MVP 價值不高。
+
+目前沒有 Codex slash command。也就是說，在 repo 根目錄輸入 `/scan` 不會自動執行本工具。
+
+## 指令
+
+在 `packages/html-transform` 目錄內：
+
+```bash
+node src/cli.js doctor
+node src/cli.js scan
+```
+
+在 repo 根目錄：
+
+```bash
+node packages/html-transform/src/cli.js doctor
+node packages/html-transform/src/cli.js scan
+```
+
+若要在根目錄用簡短指令，建議由根目錄 `package.json` 包一層：
+
+```json
+{
+  "scripts": {
+    "scan": "node packages/html-transform/src/cli.js doctor && node packages/html-transform/src/cli.js scan"
+  }
+}
+```
+
+之後即可執行：
+
+```bash
+pnpm scan
+```
+
+## 前置需求
 
 需要 Node.js 20 以上。
 
 ```bash
 node --version
+pnpm --version
 ```
 
-### 2. 安裝專案相依套件
-
-建議使用專案級安裝，不依賴全域 `playwright-cli`：
+安裝相依套件：
 
 ```bash
 pnpm install
 ```
 
-本專案使用 `@playwright/cli`，指令名稱是 `playwright-cli`。安裝後可以用：
+確認 `playwright-cli` 可用：
 
 ```bash
-npx --no-install playwright-cli --version
+pnpm --filter html-transform exec playwright-cli --version
 ```
 
-或透過 npm script：
+若環境還沒有 Chromium：
 
 ```bash
-pnpm playwright-cli -- --version
+pnpm --filter html-transform exec playwright-cli install-browser chromium
 ```
 
-若環境還沒有瀏覽器 binary，先安裝預設瀏覽器：
+## 設定檔
 
-```bash
-pnpm playwright-cli:install-browser
-```
-
-Linux CI 或乾淨容器可能還需要系統套件，先用 dry-run 看會做什麼：
-
-```bash
-npx --no-install playwright-cli install-browser --with-deps --dry-run
-```
-
-### 3. 準備資料夾
-
-預設設定會讀取以下路徑：
+沒有設定檔時，預設讀取：
 
 ```text
-packages/
-├── prototype/   # 放 HTML prototype
-├── web/         # 既有 Vuetify frontend 專案
-├── api/         # backend API 或 schema
-└── result/      # 產生結果
+packages/prototype/
 ```
 
-最小可跑範例：
-
-```bash
-mkdir -p packages/prototype packages/web/src packages/api packages/result
-```
-
-新增一個 prototype：
-
-```html
-<!-- packages/prototype/index.html -->
-<main>
-  <h1>Customer Portal</h1>
-  <form>
-    <label>Email</label>
-    <input name="email" required>
-    <button>Submit</button>
-  </form>
-</main>
-```
-
-### 4. 選擇性建立設定檔
-
-沒有 `ht.config.js` 時會使用預設值。若要覆寫路徑或關閉互動確認，可以建立：
+本 repo 根目錄目前使用：
 
 ```js
-// ht.config.js
 export default {
-  prototype: './packages/prototype',
-  frontend: './packages/web',
-  backend: './packages/api',
-  output: './packages/result',
-  agent: 'codex',
+  prototype: './prototype',
+  frontend: './apps/frontend/hwu-re',
+  backend: './apps/backend',
+  output: './output',
   plan: {
-    interactiveReview: false,
-    requireApiContractMatch: true
-  },
-  project: {
-    qualityCommands: {
-      typecheck: 'pnpm typecheck',
-      lint: 'pnpm lint',
-      test: 'pnpm test'
-    }
+    interactiveReview: false
   }
 }
 ```
 
-也可以使用 `ht.config.ts`：
+目前 MVP 只使用 `prototype`。其他欄位可以留著給外部工作流參考，但 `packages/html-transform` 不會執行 frontend/backend/output 相關步驟。
 
-```ts
-import { defineConfig } from 'html-transform'
-
-export default defineConfig({
-  prototype: './packages/prototype',
-  frontend: './packages/web',
-  backend: './packages/api',
-  output: './packages/result'
-})
-```
-
-### 5. 檢查環境
+## Doctor
 
 ```bash
-node src/cli.js doctor
+node packages/html-transform/src/cli.js doctor
 ```
 
-`doctor` 會檢查 prototype/frontend/backend/output parent、playwright-cli、agent CLI、pnpm 是否存在。缺少項目會標示為 `missing`。
+檢查項目：
 
-`playwright-cli` 的偵測順序：
+- `prototype` directory
+- package-local `vite`
+- `playwright-cli`
+- `pnpm`
 
-1. `node_modules/.bin/playwright-cli`
-2. 全域 `playwright-cli`
-3. `npx --no-install playwright-cli`
-
-### 6. 執行 scan
+## Scan
 
 ```bash
-node src/cli.js scan
+node packages/html-transform/src/cli.js scan
 ```
 
-產出：
+`scan` 會自動：
+
+- 用 Vite static server 提供 prototype。
+- 用 `playwright-cli` 開啟每個 HTML。
+- 等待 `networkidle`，再等待 500ms。
+- 截取 desktop `1440 x 900` full-page screenshot。
+- 產生 DOM summary。
+- 產生 accessibility snapshot。
+- 記錄 resource failure 與 console error/warning。
+- 建立頁面級 `pageContract`。
+- 驗證 contract 與 DOM evidence 是否明顯衝突。
+- 產出 `.ht/app-map.json`，供通用 prompt 判斷 auth、legacy shell、feature page 與 layout 策略。
+
+## 產物
+
+每個 HTML 的 capture artifact：
 
 ```text
-.ht/cache/prototype/
-.ht/spec/*.spec.json
-.ht/spec/*.validation.json
-.ht/spec/*.ui-contract.md
+.ht/cache/prototype/{page}/desktop-default.png
+.ht/cache/prototype/{page}/dom-summary.json
+.ht/cache/prototype/{page}/accessibility-tree.json
+.ht/cache/prototype/{page}/capture-metadata.json
 ```
 
-這一步會從 HTML 擷取 DOM summary、accessibility-like tree、region、LayoutSpec 與 UI contract。MVP 目前使用 deterministic HTML evidence；截圖檔是 placeholder PNG。
-
-後續接真實 browser automation 時，會透過 `playwright-cli` shell 指令操作，不透過 MCP。
-
-### 7. 產生 TaskList
-
-```bash
-node src/cli.js plan
-```
-
-產出：
+每個 HTML 的 contract artifact：
 
 ```text
-.ht/plan/tasklist.json
-.ht/plan/project-conventions.md
-.ht/plan/api-contract.md
-.ht/plan/component-mapping.json
+.ht/app-map.json
+.ht/spec/{page}.spec.json
+.ht/spec/{page}.validation.json
+.ht/spec/{page}.ui-contract.md
 ```
 
-若 `plan.interactiveReview` 設為 `true`，CLI 會在產生 TaskList 後要求輸入 `y` 才繼續。
+`.spec.json` 會包含 `pageContract`。`regions` 欄位目前仍保留，目的是相容既有資料形狀；不要把它視為 Stage 2 decomposition。
 
-### 8. 產生 output
+`.ht/app-map.json` 是跨頁面的應用結構推論。通用 prompt 應先讀它，再決定每個 prototype 是 `auth`、`legacy-shell-reference`、`feature-page` 或其他角色。MVP 固定策略是 template layout/style 優先，prototype 只提供內容與功能證據。
+
+## 驗證
+
+修改本 package 後至少執行：
 
 ```bash
-node src/cli.js run
-```
-
-產出會寫入 `output` 設定的資料夾，例如：
-
-```text
-packages/result/index/main-1.vue
-```
-
-每個 task 的執行記錄會寫入：
-
-```text
-.ht/runs/<runId>/
-```
-
-若只想重跑失敗 task：
-
-```bash
-node src/cli.js run --retry-failed
-```
-
-### 9. 產生 diff report
-
-```bash
-node src/cli.js diff
-```
-
-產出：
-
-```text
-.ht/diff/*.diff.html
-```
-
-MVP 目前會建立可 review 的 HTML report 結構；真實 `playwright-cli` 截圖與 vision similarity scoring 尚未串接。
-
-### 10. 執行驗證
-
-```bash
-node src/cli.js verify
-```
-
-產出：
-
-```text
-.ht/verify/verification-report.json
-```
-
-驗證包含：
-
-- `project.qualityCommands` 中設定的 typecheck/lint/test
-- output target 是否存在
-- flow checks 目前在 MVP 中會標示為 skipped
-
-### 11. 一次跑完整流程
-
-```bash
-node src/cli.js go --yes
-```
-
-等同依序執行：
-
-```bash
-node src/cli.js scan
-node src/cli.js plan
-node src/cli.js run
-node src/cli.js diff
-node src/cli.js verify
-```
-
-### 12. 查看 task 狀態
-
-```bash
-node src/cli.js status
-```
-
-會顯示 `pending`、`running`、`done`、`error` 的 task 數量。
-
-## 開發驗證
-
-```bash
-pnpm test
-pnpm typecheck
-```
-
-## 目前 MVP 限制
-
-- 尚未整合 Playwright static server、真實 full-page screenshot、DOM snapshot API 與 accessibility tree API。
-- Playwright 操作會以 `playwright-cli` shell command 為準，不使用 MCP；目前已加入專案級 `@playwright/cli` 安裝與環境偵測。
-- 尚未真的呼叫 Claude Code/Codex/Gemini 進行 vision decomposition 或 coding task。
-- `diff` 的 similarity score 目前是 deterministic report placeholder，不是 vision scoring。
-- `run` 目前以 LayoutSpec 產生基本 Vuetify Vue component，還不是完整專案級整合。
-- 缺少 quality command 或外部工具時，會在 report 或 `doctor` 中標示為 skipped/missing。
-
-## 常用指令摘要
-
-```bash
-pnpm test
-pnpm typecheck
-node src/cli.js doctor
-node src/cli.js scan
-node src/cli.js plan
-node src/cli.js run
-node src/cli.js diff
-node src/cli.js verify
+pnpm --filter html-transform typecheck
+pnpm --filter html-transform test
+node packages/html-transform/src/cli.js doctor
+node packages/html-transform/src/cli.js scan
 ```
diff --git a/package.json b/package.json
index 9d7d94d..937293b 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "html-transform",
   "version": "0.1.0",
-  "description": "Prototype-driven orchestration framework for transforming HTML prototypes into Vuetify implementations.",
+  "description": "Prototype evidence tool for capturing HTML screenshots and page contracts.",
   "packageManager": "pnpm@10.10.0",
   "type": "module",
   "bin": {
@@ -17,7 +17,8 @@
     "playwright-cli:install-browser": "playwright-cli install-browser"
   },
   "devDependencies": {
-    "@playwright/cli": "^0.1.8"
+    "@playwright/cli": "^0.1.8",
+    "vite": "^8.0.10"
   },
   "engines": {
     "node": ">=20"
diff --git a/src/cli.js b/src/cli.js
index d859022..768b925 100755
--- a/src/cli.js
+++ b/src/cli.js
@@ -1,49 +1,27 @@
 #!/usr/bin/env node
 import { scan } from './stages/scan.js'
-import { plan } from './stages/plan.js'
-import { runTasks } from './stages/run.js'
-import { diff } from './stages/diff.js'
-import { verify } from './stages/verify.js'
-import { status } from './stages/status.js'
 import { doctor } from './stages/doctor.js'
 
 const command = process.argv[2] ?? 'help'
-const flags = new Set(process.argv.slice(3))
 
 async function main() {
   if (command === 'scan') await scan()
-  else if (command === 'plan') await plan()
-  else if (command === 'run') await runTasks({ retryFailed: flags.has('--retry-failed') })
-  else if (command === 'diff') await diff()
-  else if (command === 'verify') await verify()
-  else if (command === 'go') {
-    await scan()
-    await plan({ assumeYes: flags.has('--yes') })
-    await runTasks({ retryFailed: false })
-    await diff()
-    await verify()
-  } else if (command === 'status') await status()
   else if (command === 'doctor') await doctor()
-  else printHelp()
+  else {
+    printHelp()
+    if (command !== 'help') process.exitCode = 1
+  }
 }
 
 function printHelp() {
   console.log(`Usage: ht <command>
 
 Commands:
-  scan              Capture and extract LayoutSpec artifacts
-  plan              Build TaskList and project/API contracts
-  run               Execute pending tasks into output/
-  run --retry-failed
-  diff              Build visual similarity report
-  verify            Run quality, DOM, and flow checks
-  go [--yes]        Run scan, plan, run, diff, verify
-  status            Show TaskList summary
-  doctor            Check local prerequisites`)
+  doctor            Check scan prerequisites
+  scan              Capture prototype evidence and build page contracts`)
 }
 
 main().catch((error) => {
   console.error(error instanceof Error ? error.message : error)
   process.exitCode = 1
 })
-
diff --git a/src/lib/agent.js b/src/lib/agent.js
deleted file mode 100644
index d1f1e15..0000000
--- a/src/lib/agent.js
+++ /dev/null
@@ -1,31 +0,0 @@
-import { spawn } from 'node:child_process'
-
-const commands = {
-  codex: ['codex'],
-  'claude-code': ['claude'],
-  gemini: ['gemini']
-}
-
-/**
- * 將設定中的 agent 名稱解析成可執行命令。
- *
- * @param {string} agent `ht.config.*` 中的 agent 名稱。
- * @returns {string[]} 命令與預設參數。
- */
-export function resolveAgentCommand(agent) {
-  return commands[agent] ?? [agent]
-}
-
-/**
- * 檢查命令是否能從目前 shell PATH 找到。
- *
- * @param {string} command 要檢查的可執行檔名稱。
- * @returns {Promise<boolean>} 找得到命令時為 `true`。
- */
-export async function commandExists(command) {
-  return new Promise((resolve) => {
-    const child = spawn('which', [command], { stdio: 'ignore' })
-    child.on('close', (code) => resolve(code === 0))
-    child.on('error', () => resolve(false))
-  })
-}
diff --git a/src/lib/config.js b/src/lib/config.js
index 69e3f7e..f208677 100644
--- a/src/lib/config.js
+++ b/src/lib/config.js
@@ -5,34 +5,11 @@ import { defineConfig } from '../index.js'
 
 const defaultConfig = {
   prototype: './packages/prototype',
-  frontend: './packages/web',
-  backend: './packages/api',
-  output: './packages/result',
-  agent: 'codex',
   vision: {
     viewport: { width: 1440, height: 900 },
     captureStates: ['default'],
     includeDomSnapshot: true,
     includeAccessibilityTree: true
-  },
-  project: {
-    packageManager: 'pnpm',
-    frontendFramework: 'vue3',
-    uiLibrary: 'vuetify3',
-    qualityCommands: {
-      typecheck: 'pnpm typecheck',
-      lint: 'pnpm lint',
-      test: 'pnpm test'
-    }
-  },
-  plan: {
-    interactiveReview: false,
-    requireApiContractMatch: true
-  },
-  diff: {
-    scoreThreshold: 75,
-    requireDomChecks: true,
-    requireFlowChecks: true
   }
 }
 
@@ -72,25 +49,12 @@ function normalizeConfig(config, cwd) {
   const merged = {
     ...defaultConfig,
     ...config,
-    vision: { ...defaultConfig.vision, ...config.vision },
-    project: {
-      ...defaultConfig.project,
-      ...config.project,
-      qualityCommands: {
-        ...defaultConfig.project.qualityCommands,
-        ...config.project?.qualityCommands
-      }
-    },
-    plan: { ...defaultConfig.plan, ...config.plan },
-    diff: { ...defaultConfig.diff, ...config.diff }
+    vision: { ...defaultConfig.vision, ...config.vision }
   }
   return {
     ...merged,
     cwd,
     prototypeDir: resolve(cwd, merged.prototype),
-    frontendDir: resolve(cwd, merged.frontend),
-    backendDir: resolve(cwd, merged.backend),
-    outputDir: resolve(cwd, merged.output),
     htDir: resolve(cwd, '.ht')
   }
 }
diff --git a/src/lib/files.js b/src/lib/files.js
index d0101eb..830d216 100644
--- a/src/lib/files.js
+++ b/src/lib/files.js
@@ -3,7 +3,7 @@ import { createHash } from 'node:crypto'
 import { dirname, extname, join, relative } from 'node:path'
 
 /**
- * 確保資料夾存在，供 stage 在寫入 `.ht/` 與 output artifact 前使用。
+ * 確保資料夾存在，供 stage 在寫入 `.ht/` artifact 前使用。
  *
  * @param {string} path 要建立的資料夾路徑。
  * @returns {Promise<void>}
diff --git a/src/lib/html.js b/src/lib/html.js
index ded90fb..8fdc342 100644
--- a/src/lib/html.js
+++ b/src/lib/html.js
@@ -85,7 +85,7 @@ export function visibleText(html) {
 }
 
 /**
- * 將 deterministic region evidence 轉成目前 MVP 使用的 Vuetify-oriented RegionSpec。
+ * 將 deterministic region evidence 轉成相容用的 Vuetify-oriented RegionSpec。
  *
  * @param {object} region `extractRegions` 產生的區塊。
  * @returns {object} 後續 plan/run stage 使用的 RegionSpec。
@@ -119,10 +119,311 @@ export function inferRegionSpec(region) {
   }
 }
 
+export function buildPageContract({ page, source, html, regions, domSummary, screenshotPath }) {
+  const sourceSummary = summarizeHtml(html)
+  const summary = mergeSummary(sourceSummary, domSummary)
+  return {
+    page,
+    source,
+    screenshot: screenshotPath,
+    title: summary.title,
+    sections: regions.map((region) => ({
+      id: region.id,
+      name: region.name,
+      role: region.semantic_role,
+      textSamples: visibleText(region.html).slice(0, 8)
+    })),
+    forms: buildForms(summary),
+    tables: buildTables(html),
+    actions: summary.buttons.map((label, index) => ({
+      label,
+      kind: index === 0 ? 'primary' : 'secondary',
+      observableResult: null
+    })),
+    textSamples: summary.textSamples,
+    vuetifyComponents: inferPageComponents(html, regions),
+    apiDependencies: [],
+    warnings: []
+  }
+}
+
+export function validatePageContract(contract, evidence = {}) {
+  const warnings = []
+  let nullFieldCount = 0
+  let fieldCount = 0
+  const textEvidence = new Set([
+    ...(evidence.headings ?? []),
+    ...(evidence.buttons ?? []),
+    ...(evidence.labels ?? []),
+    ...(evidence.textSamples ?? [])
+  ].map(normalizeText))
+
+  for (const sample of contract.textSamples) {
+    if (!textEvidence.has(normalizeText(sample))) warnings.push(`textSamples: evidence 中找不到「${sample}」`)
+  }
+  for (const action of contract.actions) {
+    if (!textEvidence.has(normalizeText(action.label))) warnings.push(`actions: evidence 中找不到「${action.label}」`)
+  }
+  for (const form of contract.forms) {
+    for (const field of form.fields) {
+      if (field.label && !textEvidence.has(normalizeText(field.label))) {
+        warnings.push(`forms: evidence 中找不到欄位 label「${field.label}」`)
+      }
+    }
+  }
+  for (const component of contract.vuetifyComponents) {
+    if (!vuetifyWhitelist.has(component)) warnings.push(`vuetifyComponents: invalid Vuetify component ${component}`)
+  }
+
+  countNulls(contract)
+  return {
+    autoFixedCount: 0,
+    fieldCount,
+    nullFieldCount,
+    nullFieldRatio: fieldCount === 0 ? 0 : nullFieldCount / fieldCount,
+    requiresHumanReview: warnings.length > 0 || (fieldCount > 0 && nullFieldCount / fieldCount > 0.3),
+    warnings
+  }
+
+  function countNulls(value) {
+    if (Array.isArray(value)) return value.forEach(countNulls)
+    if (value && typeof value === 'object') return Object.values(value).forEach(countNulls)
+    fieldCount += 1
+    if (value === null) nullFieldCount += 1
+  }
+}
+
+export function buildAppMap(layoutSpecs, prototypeDir) {
+  const routes = layoutSpecs.map((spec) => {
+    const relativeSource = spec.source.startsWith(prototypeDir)
+      ? spec.source.slice(prototypeDir.length).replace(/^\/+/, '')
+      : spec.source
+    const route = inferRoute(spec, relativeSource)
+    return {
+      prototype: relativeSource,
+      page: spec.page,
+      title: spec.pageContract.title,
+      kind: route.kind,
+      module: route.module,
+      targetRole: route.targetRole,
+      layout: route.layout,
+      usePrototypeStyle: false,
+      usePrototypeContent: route.usePrototypeContent,
+      routeHint: route.routeHint,
+      evidence: {
+        uiContract: `.ht/spec/${relativeSource.replace(/\.html$/, '.ui-contract.md')}`,
+        spec: `.ht/spec/${relativeSource.replace(/\.html$/, '.spec.json')}`,
+        screenshot: spec.pageContract.screenshot,
+        textSamples: spec.pageContract.textSamples,
+        actions: spec.pageContract.actions.map((action) => action.label),
+        formFieldCount: spec.pageContract.forms.reduce((total, form) => total + form.fields.length, 0),
+        tableCount: spec.pageContract.tables.length
+      }
+    }
+  })
+  return {
+    version: 1,
+    generatedAt: new Date().toISOString(),
+    rules: {
+      layoutSource: 'preparation/skt-vuetify-templates',
+      loginStyleSource: 'preparation/skt-vuetify-templates',
+      prototypeStylePolicy: 'content-only',
+      prototypeOuterFramePolicy: 'ignore'
+    },
+    modules: buildModules(routes),
+    routes
+  }
+}
+
+function inferRoute(spec, relativeSource) {
+  const path = relativeSource.replace(/\\/g, '/')
+  const segments = path.split('/')
+  const module = segments.length > 1 ? segments[0] : 'root'
+  const basename = segments.at(-1) ?? spec.page
+  const text = [
+    spec.pageContract.title,
+    ...spec.pageContract.textSamples,
+    ...spec.pageContract.actions.map((action) => action.label),
+    ...spec.pageContract.sections.flatMap((section) => section.textSamples)
+  ].filter(Boolean).join(' ')
+
+  if (/portal\/forget-password\.html$/i.test(path)) {
+    return {
+      kind: 'auth',
+      module,
+      targetRole: 'forgot-password',
+      layout: 'template-auth',
+      usePrototypeContent: true,
+      routeHint: '/forgot-password'
+    }
+  }
+  if (/portal\/login\.html$/i.test(path) || hasAny(text, ['登入']) || hasPasswordField(spec)) {
+    return {
+      kind: 'auth',
+      module,
+      targetRole: 'login',
+      layout: 'template-auth',
+      usePrototypeContent: true,
+      routeHint: '/login'
+    }
+  }
+  if (/portal\/(app-layout|menu-pane|index)\.html$/i.test(path) || hasAny(text, ['隱藏選單', '登　　出', '登出', '修改密碼'])) {
+    return {
+      kind: 'legacy-shell-reference',
+      module,
+      targetRole: 'layout-reference',
+      layout: 'ignore',
+      usePrototypeContent: false,
+      routeHint: null
+    }
+  }
+  if (/portal\/privacy-consent\.html$/i.test(path)) {
+    return {
+      kind: 'auth-support',
+      module,
+      targetRole: 'privacy-consent',
+      layout: 'template-auth',
+      usePrototypeContent: true,
+      routeHint: '/privacy-consent'
+    }
+  }
+  if (/\/index\.html$/i.test(path) && module !== 'portal' && hasAny(text, ['導覽', '返回雛型導覽'])) {
+    return {
+      kind: 'prototype-navigation',
+      module,
+      targetRole: 'navigation-reference',
+      layout: 'ignore',
+      usePrototypeContent: false,
+      routeHint: null
+    }
+  }
+  if (module !== 'portal' || hasFeatureEvidence(spec)) {
+    return {
+      kind: 'feature-page',
+      module,
+      targetRole: 'app-content',
+      layout: 'template-app',
+      usePrototypeContent: true,
+      routeHint: `/${module}/${basename.replace(/\.html$/i, '').replaceAll('_', '-')}`
+    }
+  }
+  return {
+    kind: 'reference',
+    module,
+    targetRole: 'content-reference',
+    layout: 'template-app',
+    usePrototypeContent: true,
+    routeHint: `/${basename.replace(/\.html$/i, '').replaceAll('_', '-')}`
+  }
+}
+
+function buildModules(routes) {
+  const modules = new Map()
+  for (const route of routes) {
+    const current = modules.get(route.module) ?? {
+      name: route.module,
+      featurePageCount: 0,
+      authPageCount: 0,
+      referencePageCount: 0
+    }
+    if (route.kind === 'feature-page') current.featurePageCount += 1
+    else if (route.kind === 'auth' || route.kind === 'auth-support') current.authPageCount += 1
+    else current.referencePageCount += 1
+    modules.set(route.module, current)
+  }
+  return [...modules.values()].map((module) => ({
+    ...module,
+    kind: module.featurePageCount > 0 ? 'feature-module' : module.authPageCount > 0 ? 'entry-module' : 'reference-module'
+  }))
+}
+
+function hasPasswordField(spec) {
+  return spec.pageContract.forms.some((form) => form.fields.some((field) => field.type === 'password'))
+}
+
+function hasFeatureEvidence(spec) {
+  return spec.pageContract.tables.some((table) => table.headers.length > 0) ||
+    spec.pageContract.forms.some((form) => form.fields.length > 0) ||
+    spec.pageContract.actions.length > 0
+}
+
+function hasAny(text, needles) {
+  return needles.some((needle) => text.includes(needle))
+}
+
+function mergeSummary(sourceSummary, domSummary = {}) {
+  return {
+    title: domSummary.title ?? sourceSummary.title,
+    headings: unique([...(domSummary.headings ?? []), ...sourceSummary.headings]),
+    buttons: unique([...(domSummary.buttons ?? []), ...sourceSummary.buttons]),
+    labels: unique([...(domSummary.labels ?? []), ...sourceSummary.labels]),
+    inputs: domSummary.inputs?.length ? domSummary.inputs : sourceSummary.inputs,
+    textSamples: unique([...(domSummary.textSamples ?? []), ...sourceSummary.textSamples]).slice(0, 3)
+  }
+}
+
+function buildForms(summary) {
+  const fields = summary.inputs.filter((field) => !['hidden', 'button', 'submit', 'reset', 'image'].includes(field.type ?? ''))
+  if (fields.length === 0) return []
+  return [{
+    labels: summary.labels,
+    fields: fields.map((field, index) => ({
+      name: field.name,
+      label: summary.labels[index] ?? null,
+      type: field.type ?? field.tag,
+      required: field.required
+    })),
+    primaryActions: summary.buttons.slice(0, 1),
+    secondaryActions: summary.buttons.slice(1)
+  }]
+}
+
+function buildTables(html) {
+  return collect(html, /<table\b[^>]*>([\s\S]*?)<\/table>/gi).map((item, index) => ({
+    id: `table-${index + 1}`,
+    headers: collect(item[1], /<th\b[^>]*>([\s\S]*?)<\/th>/gi).map((header) => cleanText(header[1])).filter(Boolean),
+    sampleRows: collect(item[1], /<tr\b[^>]*>([\s\S]*?)<\/tr>/gi).slice(0, 3).map((row) =>
+      collect(row[1], /<td\b[^>]*>([\s\S]*?)<\/td>/gi).map((cell) => cleanText(cell[1])).filter(Boolean)
+    ).filter((row) => row.length > 0)
+  }))
+}
+
+function inferPageComponents(html, regions) {
+  const components = new Set(['VContainer'])
+  if (/<(form|input|select|textarea)\b/i.test(html)) components.add('VForm')
+  if (/<table\b/i.test(html)) components.add('VTable')
+  if (/<(button|a)\b/i.test(html)) components.add('VBtn')
+  if (/<(input|select|textarea)\b/i.test(html)) components.add('VTextField')
+  if (/<(ul|ol)\b/i.test(html)) components.add('VList')
+  if (regions.some((region) => region.semantic_role === 'navigation')) components.add('VNavigationDrawer')
+  return [...components]
+}
+
 function extractColors(html) {
   return [...new Set((html.match(/#[0-9a-f]{3,8}\b|rgba?\([^)]+\)/gi) ?? []).slice(0, 12))]
 }
 
+const vuetifyWhitelist = new Set([
+  'VApp',
+  'VBtn',
+  'VCard',
+  'VContainer',
+  'VForm',
+  'VList',
+  'VNavigationDrawer',
+  'VTable',
+  'VTextField',
+  'VToolbar'
+])
+
+function unique(values) {
+  return [...new Set(values.filter(Boolean))]
+}
+
+function normalizeText(value) {
+  return String(value ?? '').replace(/\s+/g, ' ').trim()
+}
+
 function attr(attrs, name) {
   const match = attrs.match(new RegExp(`${name}\\s*=\\s*["']([^"']+)["']`, 'i'))
   return match?.[1] ?? null
diff --git a/src/lib/playwright-cli.js b/src/lib/playwright-cli.js
index f578803..1278e03 100644
--- a/src/lib/playwright-cli.js
+++ b/src/lib/playwright-cli.js
@@ -1,7 +1,17 @@
 import { spawn } from 'node:child_process'
-import { join } from 'node:path'
+import { dirname, join } from 'node:path'
+import { fileURLToPath } from 'node:url'
 import { exists } from './files.js'
-import { commandExists } from './agent.js'
+
+const packageRoot = dirname(dirname(dirname(fileURLToPath(import.meta.url))))
+
+export async function commandExists(command) {
+  return new Promise((resolve) => {
+    const child = spawn('which', [command], { stdio: 'ignore' })
+    child.on('close', (code) => resolve(code === 0))
+    child.on('error', () => resolve(false))
+  })
+}
 
 /**
  * 依專案規則解析 Playwright CLI，不依賴使用者全域環境作為第一選擇。
@@ -12,6 +22,8 @@ import { commandExists } from './agent.js'
 export async function resolvePlaywrightCli(cwd = process.cwd()) {
   const localBin = join(cwd, 'node_modules/.bin/playwright-cli')
   if (await exists(localBin)) return { command: localBin, args: [], source: 'local' }
+  const packageBin = join(packageRoot, 'node_modules/.bin/playwright-cli')
+  if (await exists(packageBin)) return { command: packageBin, args: [], source: 'package-local' }
   if (await commandExists('playwright-cli')) return { command: 'playwright-cli', args: [], source: 'global' }
   if (await commandExists('npx')) return { command: 'npx', args: ['--no-install', 'playwright-cli'], source: 'npx-local' }
   return null
diff --git a/src/stages/diff.js b/src/stages/diff.js
deleted file mode 100644
index 74de719..0000000
--- a/src/stages/diff.js
+++ /dev/null
@@ -1,51 +0,0 @@
-import { writeFile } from 'node:fs/promises'
-import { join } from 'node:path'
-import { loadConfig } from '../lib/config.js'
-import { ensureDir, listFiles, readJson } from '../lib/files.js'
-
-/**
- * 執行 Stage 4：依現有 LayoutSpec 產生 deterministic placeholder diff report。
- *
- * @returns {Promise<void>}
- */
-export async function diff() {
-  const config = await loadConfig()
-  const specs = await listFiles(join(config.htDir, 'spec'), ['.json'])
-  if (specs.length === 0) throw new Error('找不到 spec，請先執行 ht scan')
-  await ensureDir(join(config.htDir, 'diff'))
-  for (const file of specs.filter((file) => file.endsWith('.spec.json'))) {
-    const spec = await readJson(file)
-    const reportPath = join(config.htDir, 'diff', `${spec.page}.diff.html`)
-    await writeFile(reportPath, renderDiffReport(config, spec))
-    console.log(`diff report: ${reportPath}`)
-  }
-}
-
-function renderDiffReport(config, spec) {
-  const rows = spec.decomposition.map((region) => {
-    const score = 75
-    const warning = score < config.diff.scoreThreshold ? ' class="warning"' : ''
-    return `<tr${warning}><td>${region.id}</td><td>${region.name}</td><td>${score}</td><td>${region.screenshotPath}</td></tr>`
-  }).join('\n')
-  return `<!doctype html>
-<html>
-<head>
-  <meta charset="utf-8">
-  <title>${spec.page} diff</title>
-  <style>
-    body { font-family: system-ui, sans-serif; margin: 24px; }
-    table { border-collapse: collapse; width: 100%; }
-    td, th { border: 1px solid #ddd; padding: 8px; text-align: left; }
-    .warning { background: #fff3cd; }
-  </style>
-</head>
-<body>
-  <h1>${spec.page} Diff</h1>
-  <table>
-    <thead><tr><th>Region</th><th>Name</th><th>Similarity</th><th>Prototype Screenshot</th></tr></thead>
-    <tbody>${rows}</tbody>
-  </table>
-</body>
-</html>
-`
-}
diff --git a/src/stages/doctor.js b/src/stages/doctor.js
index 46f6695..a4ffbde 100644
--- a/src/stages/doctor.js
+++ b/src/stages/doctor.js
@@ -1,8 +1,10 @@
-import { join } from 'node:path'
+import { dirname, join } from 'node:path'
+import { fileURLToPath } from 'node:url'
 import { loadConfig } from '../lib/config.js'
-import { commandExists, resolveAgentCommand } from '../lib/agent.js'
 import { exists } from '../lib/files.js'
-import { playwrightCliAvailable, resolvePlaywrightCli } from '../lib/playwright-cli.js'
+import { commandExists, playwrightCliAvailable, resolvePlaywrightCli } from '../lib/playwright-cli.js'
+
+const packageRoot = dirname(dirname(dirname(fileURLToPath(import.meta.url))))
 
 /**
  * 檢查本機執行 HTML Transform pipeline 所需的資料夾與命令。
@@ -11,15 +13,11 @@ import { playwrightCliAvailable, resolvePlaywrightCli } from '../lib/playwright-
  */
 export async function doctor() {
   const config = await loadConfig()
-  const agentCommand = resolveAgentCommand(config.agent)[0]
   const playwrightCli = await resolvePlaywrightCli(config.cwd)
   const checks = [
     ['prototype directory', await exists(config.prototypeDir)],
-    ['frontend directory', await exists(config.frontendDir)],
-    ['backend directory', await exists(config.backendDir)],
-    ['output directory parent', await exists(join(config.outputDir, '..'))],
     [`playwright-cli${playwrightCli ? ` (${playwrightCli.source})` : ''}`, await playwrightCliAvailable(config.cwd)],
-    [`agent ${config.agent}`, await commandExists(agentCommand)],
+    ['vite package', await exists(join(packageRoot, 'node_modules/vite/package.json'))],
     ['pnpm', await commandExists('pnpm')]
   ]
   for (const [name, ok] of checks) {
diff --git a/src/stages/plan.js b/src/stages/plan.js
deleted file mode 100644
index 1f6a579..0000000
--- a/src/stages/plan.js
+++ /dev/null
@@ -1,126 +0,0 @@
-import { createInterface } from 'node:readline/promises'
-import { stdin as input, stdout as output } from 'node:process'
-import { basename, join } from 'node:path'
-import { loadConfig } from '../lib/config.js'
-import { listFiles, readJson, writeJson } from '../lib/files.js'
-
-/**
- * 執行 Stage 2：依 LayoutSpec 建立 tasklist、component mapping 與專案/API contract artifacts。
- *
- * @param {object} options 執行選項。
- * @param {boolean} [options.assumeYes] 跳過互動 review 提示。
- * @returns {Promise<void>}
- */
-export async function plan(options = {}) {
-  const config = await loadConfig()
-  const specs = await listFiles(join(config.htDir, 'spec'), ['.json'])
-  const layoutSpecs = []
-  for (const file of specs.filter((file) => file.endsWith('.spec.json'))) {
-    layoutSpecs.push(await readJson(file))
-  }
-  if (layoutSpecs.length === 0) throw new Error('找不到 LayoutSpec，請先執行 ht scan')
-
-  const conventions = await buildProjectConventions(config)
-  const apiContract = await buildApiContract(config)
-  const mapping = buildComponentMapping(layoutSpecs)
-  const taskList = buildTaskList(config, layoutSpecs, apiContract)
-
-  await writeJson(join(config.htDir, 'plan/component-mapping.json'), mapping)
-  await writeJson(join(config.htDir, 'plan/tasklist.json'), taskList)
-  await writeMarkdown(join(config.htDir, 'plan/project-conventions.md'), conventions)
-  await writeMarkdown(join(config.htDir, 'plan/api-contract.md'), apiContract.markdown)
-
-  if (config.plan.interactiveReview && !options.assumeYes) {
-    console.log(renderPreview(taskList))
-    const rl = createInterface({ input, output })
-    const answer = await rl.question('繼續執行 Stage 6？輸入 y 繼續：')
-    rl.close()
-    if (answer.trim().toLowerCase() !== 'y') {
-      console.log('plan 已產出，等待手動 review')
-      return
-    }
-  }
-  console.log(`plan 完成：${taskList.tasks.length} 個 task`)
-}
-
-async function buildProjectConventions(config) {
-  const files = await listFiles(config.frontendDir, ['.vue', '.js', '.ts'])
-  const sample = files.slice(0, 20).map((file) => `- ${file.replace(config.frontendDir, '')}`).join('\n') || '- frontend directory missing or empty'
-  return `# Project Conventions
-
-- Routing: ${files.some((file) => /router/i.test(file)) ? 'router files detected' : 'not detected'}
-- Vuetify: ${files.some((file) => /vuetify/i.test(file)) ? 'Vuetify usage detected' : 'not detected'}
-- Forms: ${files.some((file) => /form/i.test(file)) ? 'form files detected' : 'not detected'}
-- API client/composable: ${files.some((file) => /(api|composable|service)/i.test(file)) ? 'detected' : 'not detected'}
-- Pinia: ${files.some((file) => /pinia|store/i.test(file)) ? 'detected' : 'not detected'}
-- Validation: ${files.some((file) => /valid/i.test(file)) ? 'detected' : 'not detected'}
-- i18n: ${files.some((file) => /i18n|locale/i.test(file)) ? 'detected' : 'not detected'}
-- Tests: ${files.some((file) => /\.(test|spec)\./i.test(file)) ? 'detected' : 'not detected'}
-
-## Sample Files
-
-${sample}
-`
-}
-
-async function buildApiContract(config) {
-  const files = await listFiles(config.backendDir, ['.json', '.yaml', '.yml', '.ts', '.js', '.md'])
-  const endpoints = []
-  for (const file of files) {
-    const match = file.match(/openapi|swagger/i)
-    if (match) endpoints.push({ method: 'OPENAPI', path: file.replace(config.backendDir, ''), source: file })
-  }
-  return {
-    endpoints,
-    markdown: `# API Contract
-
-${endpoints.length ? endpoints.map((endpoint) => `- ${endpoint.method} ${endpoint.path}`).join('\n') : '- No API contract detected'}
-`
-  }
-}
-
-function buildComponentMapping(layoutSpecs) {
-  return Object.fromEntries(
-    layoutSpecs.flatMap((spec) =>
-      spec.regions.map((region) => [
-        region.regionId,
-        { page: spec.page, vuetifyComponent: region.vuetifyComponent, targetKind: 'component' }
-      ])
-    )
-  )
-}
-
-function buildTaskList(config, layoutSpecs, apiContract) {
-  const tasks = layoutSpecs.flatMap((spec) =>
-    spec.regions.map((region, index) => ({
-      id: `${spec.page.replace(/\W+/g, '-').replace(/-$/, '')}-${region.regionId}`,
-      type: index === 0 ? 'page' : 'component',
-      targetFile: `${basename(spec.page, '.html')}/${region.regionId}.vue`,
-      specReference: region.regionId,
-      apiDependencies: [],
-      inputArtifacts: [
-        `.ht/spec/${basename(spec.page, '.html')}.spec.json`,
-        '.ht/plan/project-conventions.md',
-        '.ht/plan/api-contract.md',
-        '.ht/plan/component-mapping.json'
-      ],
-      acceptanceChecks: ['target file exists', 'contains visible text samples'],
-      dependsOn: [],
-      status: 'pending',
-      contractProposal: config.plan.requireApiContractMatch && apiContract.endpoints.length === 0 ? [] : undefined
-    }))
-  )
-  return { version: 1, generatedAt: new Date().toISOString(), tasks }
-}
-
-async function writeMarkdown(path, content) {
-  const { ensureDir } = await import('../lib/files.js')
-  const { dirname } = await import('node:path')
-  const { writeFile } = await import('node:fs/promises')
-  await ensureDir(dirname(path))
-  await writeFile(path, content)
-}
-
-function renderPreview(taskList) {
-  return taskList.tasks.map((task) => `${task.id} -> ${task.targetFile}`).join('\n')
-}
diff --git a/src/stages/run.js b/src/stages/run.js
deleted file mode 100644
index 858805d..0000000
--- a/src/stages/run.js
+++ /dev/null
@@ -1,103 +0,0 @@
-import { copyFile, readFile, writeFile } from 'node:fs/promises'
-import { basename, dirname, join } from 'node:path'
-import { loadConfig } from '../lib/config.js'
-import { ensureDir, exists, listFiles, readJson, writeJson } from '../lib/files.js'
-
-/**
- * 執行 Stage 3：根據 TaskList 產生 output 內的 Vue/Vuetify 檔案與 run metadata。
- *
- * @param {object} options 執行選項。
- * @param {boolean} [options.retryFailed] 僅重跑狀態為 `error` 的 task。
- * @returns {Promise<void>}
- */
-export async function runTasks(options = {}) {
-  const config = await loadConfig()
-  const taskListPath = join(config.htDir, 'plan/tasklist.json')
-  if (!(await exists(taskListPath))) throw new Error('找不到 TaskList，請先執行 ht plan')
-  const taskList = await readJson(taskListPath)
-  const runId = new Date().toISOString().replaceAll(':', '-').replace(/\..+/, '')
-  const runDir = join(config.htDir, 'runs', runId)
-  await ensureDir(join(runDir, 'agent'))
-  const specs = await loadSpecs(config)
-  for (const task of topoSort(taskList.tasks)) {
-    if (options.retryFailed ? task.status !== 'error' : task.status !== 'pending') continue
-    task.status = 'running'
-    await writeJson(taskListPath, taskList)
-    try {
-      const spec = findRegionSpec(specs, task.specReference)
-      const targetPath = join(config.outputDir, task.targetFile)
-      await backupIfExists(config, targetPath, task.id)
-      await ensureDir(dirname(targetPath))
-      await writeFile(targetPath, renderVueComponent(spec))
-      task.status = 'done'
-      await writeJson(join(runDir, 'agent', `${task.id}.json`), {
-        taskId: task.id,
-        changedFiles: [targetPath],
-        exitCode: 0,
-        stdoutSummary: 'deterministic renderer wrote Vue component',
-        stderrSummary: ''
-      })
-    } catch (error) {
-      task.status = 'error'
-      task.error = error instanceof Error ? error.message : String(error)
-    }
-    await writeJson(taskListPath, taskList)
-  }
-  await writeJson(join(runDir, 'run.json'), { runId, startedAt: runId, taskCount: taskList.tasks.length })
-  console.log(`run 完成：${runDir}`)
-}
-
-async function loadSpecs(config) {
-  const files = await listFiles(join(config.htDir, 'spec'), ['.json'])
-  const specs = []
-  for (const file of files.filter((file) => file.endsWith('.spec.json'))) specs.push(await readJson(file))
-  return specs
-}
-
-function findRegionSpec(specs, regionId) {
-  for (const spec of specs) {
-    const region = spec.regions.find((region) => region.regionId === regionId)
-    if (region) return region
-  }
-  throw new Error(`找不到 RegionSpec：${regionId}`)
-}
-
-async function backupIfExists(config, targetPath, taskId) {
-  if (!(await exists(targetPath))) return
-  const backupPath = join(config.htDir, 'backup', taskId, basename(targetPath))
-  await ensureDir(dirname(backupPath))
-  await copyFile(targetPath, backupPath)
-}
-
-function renderVueComponent(spec) {
-  const text = spec.textSamples.length ? spec.textSamples : [spec.name]
-  const actions = [...spec.uiContract.primaryActions, ...spec.uiContract.secondaryActions]
-  const fields = spec.uiContract.fields
-  return `<template>
-  <v-container>
-    <section>
-      <h1>${escapeHtml(text[0] ?? spec.name)}</h1>
-${text.slice(1).map((item) => `      <p>${escapeHtml(item)}</p>`).join('\n')}
-${fields.map((field) => `      <v-text-field label="${escapeHtml(field.name ?? field.type ?? 'Field')}"${field.required ? ' required' : ''} />`).join('\n')}
-${actions.map((action, index) => `      <v-btn${index === 0 ? ' color="primary"' : ''}>${escapeHtml(action)}</v-btn>`).join('\n')}
-    </section>
-  </v-container>
-</template>
-`
-}
-
-function topoSort(tasks) {
-  const sorted = []
-  const remaining = new Map(tasks.map((task) => [task.id, task]))
-  while (remaining.size) {
-    const ready = [...remaining.values()].find((task) => task.dependsOn.every((id) => !remaining.has(id)))
-    if (!ready) throw new Error('TaskList dependency cycle detected')
-    sorted.push(ready)
-    remaining.delete(ready.id)
-  }
-  return sorted
-}
-
-function escapeHtml(value) {
-  return String(value).replaceAll('&', '&amp;').replaceAll('<', '&lt;').replaceAll('"', '&quot;')
-}
diff --git a/src/stages/scan.js b/src/stages/scan.js
index 7081a4a..73835c5 100644
--- a/src/stages/scan.js
+++ b/src/stages/scan.js
@@ -1,13 +1,13 @@
+import { spawn } from 'node:child_process'
 import { readFile, writeFile } from 'node:fs/promises'
 import { basename, join } from 'node:path'
 import { loadConfig } from '../lib/config.js'
 import { artifactPath, ensureDir, exists, listFiles, readJson, sha256File, writeJson } from '../lib/files.js'
-import { extractRegions, inferRegionSpec, summarizeHtml } from '../lib/html.js'
+import { buildAppMap, buildPageContract, extractRegions, inferRegionSpec, summarizeHtml, validatePageContract } from '../lib/html.js'
+import { resolvePlaywrightCli } from '../lib/playwright-cli.js'
 
 const viewports = [
-  { name: 'desktop', width: 1440, height: 900 },
-  { name: 'tablet', width: 768, height: 1024 },
-  { name: 'mobile', width: 375, height: 812 }
+  { name: 'desktop', width: 1440, height: 900 }
 ]
 
 /**
@@ -20,58 +20,66 @@ export async function scan() {
   const htmlFiles = await listFiles(config.prototypeDir, ['.html'])
   if (htmlFiles.length === 0) throw new Error(`找不到 HTML prototype：${config.prototypeDir}`)
   await ensureDir(config.htDir)
+  const plans = []
   for (const file of htmlFiles) {
-    await scanFile(config, file)
+    plans.push(await prepareScanFile(config, file))
   }
+  const needsCapture = plans.some((plan) => !plan.cacheHit)
+  const server = needsCapture ? await startPrototypeServer(config) : null
+  const layoutSpecs = []
+  try {
+    for (const plan of plans) {
+      layoutSpecs.push(await scanFile(config, plan, server?.url))
+    }
+  } finally {
+    await server?.close()
+  }
+  await writeJson(join(config.htDir, 'app-map.json'), buildAppMap(layoutSpecs, config.prototypeDir))
   console.log(`scan 完成：${htmlFiles.length} 個 HTML 檔案`)
 }
 
-async function scanFile(config, file) {
-  const html = await readFile(file, 'utf8')
+async function prepareScanFile(config, file) {
   const hash = await sha256File(file)
   const name = artifactPath(config.prototypeDir, file)
   const cacheDir = join(config.htDir, 'cache/prototype', name)
   await ensureDir(cacheDir)
   const metadataPath = join(cacheDir, 'capture-metadata.json')
   const cacheHit = await isCaptureCacheHit(metadataPath, hash)
+  return { file, hash, name, cacheDir, metadataPath, cacheHit }
+}
 
-  const capture = {
-    source: file,
-    hash,
-    viewports,
-    states: config.vision.captureStates,
-    externalResourceFailures: findExternalResources(html),
-    screenshots: [],
-    captureEngine: 'html-summary',
-    cacheHit
+async function scanFile(config, plan, serverUrl) {
+  const { file, hash, name, cacheDir, metadataPath, cacheHit } = plan
+  const html = await readFile(file, 'utf8')
+  const capture = cacheHit
+    ? await readJson(metadataPath)
+    : await captureRenderedPrototype(config, plan, serverUrl)
+  const domSummary = cacheHit ? await readCachedOrSummarize(cacheDir, html) : capture.domSummary
+
+  if (!cacheHit) {
+    await writeJson(join(cacheDir, 'dom-summary.json'), domSummary)
+    await writeJson(join(cacheDir, 'accessibility-tree.json'), capture.accessibilityTree)
+    await writeJson(metadataPath, capture)
   }
 
-  for (const viewport of viewports) {
-    for (const state of config.vision.captureStates) {
-      const screenshotPath = join(cacheDir, `${viewport.name}-${state}.png`)
-      if (!cacheHit) await writePlaceholderPng(screenshotPath)
-      capture.screenshots.push({ viewport: viewport.name, state, path: screenshotPath, status: cacheHit ? 'cache-hit' : 'placeholder' })
-    }
-  }
-
-  const domSummary = summarizeHtml(html)
-  await writeJson(join(cacheDir, 'dom-summary.json'), domSummary)
-  await writeJson(join(cacheDir, 'accessibility-tree.json'), buildAccessibilityTree(domSummary))
-  await writeJson(metadataPath, capture)
-
-  const decomposition = extractRegions(html).map(({ html: _html, ...region }) => ({
-    ...region,
-    screenshotPath: join(cacheDir, `${region.id}.png`)
-  }))
   const regions = extractRegions(html)
   const regionSpecs = regions.map(inferRegionSpec)
-  const validationReport = validateSpecs(regionSpecs)
+  const screenshot = capture.screenshots.find((item) => item.viewport === 'desktop' && item.state === 'default')
+  const pageContract = buildPageContract({
+    page: basename(file),
+    source: file,
+    html,
+    regions,
+    domSummary,
+    screenshotPath: screenshot?.path ?? null
+  })
+  const validationReport = validateSpecs(regionSpecs, pageContract, domSummary)
   const layoutSpec = {
     source: file,
     hash,
     generatedAt: new Date().toISOString(),
     page: basename(file),
-    decomposition,
+    pageContract,
     regions: regionSpecs,
     validation: validationReport
   }
@@ -79,22 +87,219 @@ async function scanFile(config, file) {
   await writeJson(join(config.htDir, 'spec', `${name}.spec.json`), layoutSpec)
   await writeJson(join(config.htDir, 'spec', `${name}.validation.json`), validationReport)
   await writeFile(join(config.htDir, 'spec', `${name}.ui-contract.md`), renderUiContract(layoutSpec))
+  return layoutSpec
+}
+
+async function captureRenderedPrototype(config, plan, serverUrl) {
+  if (!serverUrl) throw new Error('Stage 1 capture 需要啟動 prototype static server')
+  const resolved = await resolvePlaywrightCli(config.cwd)
+  if (!resolved) throw new Error('找不到 playwright-cli，請先安裝 @playwright/cli')
+
+  const playwrightCwd = join(config.htDir, 'cache/playwright-cli')
+  await ensureDir(playwrightCwd)
+  const commandCwd = resolved.source === 'npx-local' ? config.cwd : playwrightCwd
+  const session = `ht-scan-${process.pid}-${plan.name.replace(/[^a-z0-9_-]+/gi, '-')}`
+  const url = new URL(`${encodePath(plan.name)}.html`, serverUrl).href
+  const screenshots = []
+  const externalResourceFailures = []
+  const consoleMessages = []
+  let domSummary = null
+  let accessibilityTree = null
+
+  await runPlaywrightCli(commandCwd, resolved, ['--session', session, 'open', 'about:blank'])
+  try {
+    for (const viewport of viewports) {
+      for (const state of config.vision.captureStates) {
+        const screenshotPath = join(plan.cacheDir, `${viewport.name}-${state}.png`)
+        const result = await runPlaywrightJson(commandCwd, resolved, session, captureScript(url, viewport, state, screenshotPath))
+        screenshots.push({
+          viewport: viewport.name,
+          state,
+          path: screenshotPath,
+          status: 'captured'
+        })
+        externalResourceFailures.push(...result.externalResourceFailures)
+        consoleMessages.push(...result.consoleMessages)
+        domSummary ??= result.domSummary
+        accessibilityTree ??= result.accessibilityTree
+      }
+    }
+  } finally {
+    await runPlaywrightCli(commandCwd, resolved, ['--session', session, 'close'])
+  }
+
+  return {
+    source: plan.file,
+    url,
+    hash: plan.hash,
+    viewports,
+    states: config.vision.captureStates,
+    screenshots,
+    domSummary,
+    accessibilityTree,
+    externalResourceFailures: dedupeEvents(externalResourceFailures),
+    consoleMessages: dedupeEvents(consoleMessages),
+    captureEngine: 'vite-playwright-cli',
+    cacheHit: false,
+    capturedAt: new Date().toISOString()
+  }
+}
+
+function captureScript(url, viewport, state, screenshotPath) {
+  return `async page => {
+    const requestFailures = [];
+    const consoleMessages = [];
+    const failedResponses = [];
+    page.on('requestfailed', request => requestFailures.push({
+      url: request.url(),
+      method: request.method(),
+      resourceType: request.resourceType(),
+      reason: request.failure()?.errorText ?? 'request failed'
+    }));
+    page.on('response', response => {
+      if (response.status() >= 400) failedResponses.push({
+        url: response.url(),
+        status: response.status(),
+        statusText: response.statusText()
+      });
+    });
+    page.on('console', message => {
+      if (['error', 'warning'].includes(message.type())) consoleMessages.push({
+        type: message.type(),
+        text: message.text()
+      });
+    });
+    await page.setViewportSize(${JSON.stringify({ width: viewport.width, height: viewport.height })});
+    await page.goto(${JSON.stringify(url)}, { waitUntil: 'networkidle' });
+    if (${JSON.stringify(state)} === 'scrolled') {
+      await page.evaluate(() => window.scrollTo(0, document.documentElement.scrollHeight));
+    } else {
+      await page.evaluate(() => window.scrollTo(0, 0));
+    }
+    await page.waitForTimeout(500);
+    await page.screenshot({ path: ${JSON.stringify(screenshotPath)}, fullPage: true });
+    const domSummary = await page.evaluate(() => {
+      const text = element => (element.innerText || element.textContent || '').replace(/\\s+/g, ' ').trim();
+      const attr = (element, name) => element.getAttribute(name);
+      const visibleText = Array.from(document.body.querySelectorAll('body *'))
+        .map(text)
+        .filter(Boolean)
+        .slice(0, 50);
+      const headings = Array.from(document.querySelectorAll('h1,h2,h3,h4,h5,h6')).map(text).filter(Boolean);
+      const buttons = Array.from(document.querySelectorAll('button, a, input[type="button"], input[type="submit"], input[type="reset"]'))
+        .map(element => text(element) || element.value || attr(element, 'aria-label') || attr(element, 'title') || '')
+        .filter(Boolean);
+      const labels = Array.from(document.querySelectorAll('label')).map(text).filter(Boolean);
+      const inputs = Array.from(document.querySelectorAll('input, select, textarea')).map(element => ({
+        tag: element.tagName.toLowerCase(),
+        type: attr(element, 'type'),
+        name: attr(element, 'name') || attr(element, 'id'),
+        required: element.required
+      }));
+      return {
+        title: document.title || null,
+        headings,
+        buttons,
+        labels,
+        inputs,
+        textSamples: [...headings, ...labels, ...buttons, ...visibleText].filter(Boolean).slice(0, 3)
+      };
+    });
+    const ariaSnapshot = await page.locator('body').ariaSnapshot();
+    return {
+      domSummary,
+      accessibilityTree: { format: 'playwright-aria-snapshot', snapshot: ariaSnapshot },
+      externalResourceFailures: [...requestFailures, ...failedResponses],
+      consoleMessages
+    };
+  }`
+}
+
+async function startPrototypeServer(config) {
+  const { createServer } = await import('vite')
+  const server = await createServer({
+    root: config.prototypeDir,
+    logLevel: 'silent',
+    server: {
+      host: '127.0.0.1',
+      port: 0,
+      strictPort: false
+    },
+    appType: 'mpa'
+  })
+  await server.listen()
+  const url = server.resolvedUrls?.local?.[0]
+  if (!url) {
+    await server.close()
+    throw new Error('無法取得 Vite prototype server URL')
+  }
+  return {
+    url,
+    close: () => server.close()
+  }
+}
+
+async function runPlaywrightJson(cwd, resolved, session, code) {
+  const output = await runPlaywrightCli(cwd, resolved, ['--json', '--session', session, 'run-code', code])
+  const parsed = JSON.parse(output)
+  if (parsed.error) throw new Error(parsed.error)
+  return JSON.parse(parsed.result)
+}
+
+async function runPlaywrightCli(cwd, resolved, args) {
+  return new Promise((resolve, reject) => {
+    const child = spawn(resolved.command, [...resolved.args, ...args], { cwd })
+    let stdout = ''
+    let stderr = ''
+    child.stdout.on('data', (chunk) => {
+      stdout += chunk
+    })
+    child.stderr.on('data', (chunk) => {
+      stderr += chunk
+    })
+    child.on('close', (code) => {
+      if (code === 0) resolve(stdout)
+      else reject(new Error((stderr || stdout).trim()))
+    })
+    child.on('error', reject)
+  })
+}
+
+async function readCachedOrSummarize(cacheDir, html) {
+  const domSummaryPath = join(cacheDir, 'dom-summary.json')
+  if (await exists(domSummaryPath)) return readJson(domSummaryPath)
+  return summarizeHtml(html)
+}
+
+function encodePath(path) {
+  return path.split('/').map(encodeURIComponent).join('/')
+}
+
+function dedupeEvents(events) {
+  const seen = new Set()
+  return events.filter((event) => {
+    const key = JSON.stringify(event)
+    if (seen.has(key)) return false
+    seen.add(key)
+    return true
+  })
 }
 
 async function isCaptureCacheHit(metadataPath, hash) {
   if (!(await exists(metadataPath))) return false
   try {
     const metadata = await readJson(metadataPath)
-    return metadata.hash === hash
+    return metadata.hash === hash && metadata.captureEngine === 'vite-playwright-cli'
   } catch {
     return false
   }
 }
 
-function validateSpecs(specs) {
+function validateSpecs(specs, pageContract, domSummary) {
   const warnings = []
   let nullFieldCount = 0
   let fieldCount = 0
+  const contractValidation = validatePageContract(pageContract, domSummary)
   for (const spec of specs) {
     countNulls(spec)
     if (!vuetifyWhitelist.has(spec.vuetifyComponent)) {
@@ -108,54 +313,60 @@ function validateSpecs(specs) {
     fieldCount += 1
     if (value === null) nullFieldCount += 1
   }
+  const totalFieldCount = fieldCount + contractValidation.fieldCount
+  const totalNullFieldCount = nullFieldCount + contractValidation.nullFieldCount
   return {
-    autoFixedCount: warnings.length,
-    nullFieldCount,
-    nullFieldRatio: fieldCount === 0 ? 0 : nullFieldCount / fieldCount,
-    requiresHumanReview: fieldCount > 0 && nullFieldCount / fieldCount > 0.3,
-    warnings
+    autoFixedCount: warnings.length + contractValidation.autoFixedCount,
+    fieldCount: totalFieldCount,
+    nullFieldCount: totalNullFieldCount,
+    nullFieldRatio: totalFieldCount === 0 ? 0 : totalNullFieldCount / totalFieldCount,
+    requiresHumanReview: contractValidation.requiresHumanReview || (totalFieldCount > 0 && totalNullFieldCount / totalFieldCount > 0.3),
+    warnings: [...warnings, ...contractValidation.warnings],
+    contract: contractValidation
   }
 }
 
 function renderUiContract(spec) {
   const lines = [`# UI Contract: ${spec.page}`, '']
-  for (const region of spec.regions) {
-    lines.push(`## ${region.name}`, '')
-    lines.push(`- Region: ${region.regionId}`)
-    lines.push(`- Vuetify: ${region.vuetifyComponent}`)
-    lines.push(`- Text: ${region.textSamples.join(', ') || 'none'}`)
-    lines.push(`- Labels: ${region.uiContract.labels.join(', ') || 'none'}`)
-    lines.push(`- Actions: ${[...region.uiContract.primaryActions, ...region.uiContract.secondaryActions].join(', ') || 'none'}`)
-    lines.push('')
+  const contract = spec.pageContract
+  lines.push(`- Source: ${contract.source}`)
+  lines.push(`- Screenshot: ${contract.screenshot ?? 'none'}`)
+  lines.push(`- Title: ${contract.title ?? 'none'}`)
+  lines.push(`- Text: ${contract.textSamples.join(', ') || 'none'}`)
+  lines.push(`- Vuetify: ${contract.vuetifyComponents.join(', ') || 'none'}`)
+  lines.push('')
+  lines.push('## Sections', '')
+  for (const section of contract.sections) {
+    lines.push(`- ${section.id}: ${section.name} (${section.role})`)
   }
+  lines.push('')
+  lines.push('## Forms', '')
+  if (contract.forms.length === 0) lines.push('- none')
+  for (const form of contract.forms) {
+    lines.push(`- Labels: ${form.labels.join(', ') || 'none'}`)
+    lines.push(`- Fields: ${form.fields.map((field) => `${field.label ?? field.name ?? 'field'}${field.required ? ' required' : ''}`).join(', ') || 'none'}`)
+    lines.push(`- Actions: ${[...form.primaryActions, ...form.secondaryActions].join(', ') || 'none'}`)
+  }
+  lines.push('')
+  lines.push('## Tables', '')
+  if (contract.tables.length === 0) lines.push('- none')
+  for (const table of contract.tables) {
+    lines.push(`- ${table.id}: ${table.headers.join(', ') || 'no headers'}`)
+  }
+  lines.push('')
+  lines.push('## Actions', '')
+  if (contract.actions.length === 0) lines.push('- none')
+  for (const action of contract.actions) {
+    lines.push(`- ${action.kind}: ${action.label}`)
+  }
+  lines.push('')
+  lines.push('## Warnings', '')
+  const warnings = spec.validation.warnings
+  if (warnings.length === 0) lines.push('- none')
+  for (const warning of warnings) lines.push(`- ${warning}`)
   return `${lines.join('\n')}\n`
 }
 
-function buildAccessibilityTree(summary) {
-  return {
-    role: 'document',
-    title: summary.title,
-    children: [
-      ...summary.headings.map((name) => ({ role: 'heading', name })),
-      ...summary.buttons.map((name) => ({ role: 'button', name })),
-      ...summary.labels.map((name) => ({ role: 'label', name }))
-    ]
-  }
-}
-
-function findExternalResources(html) {
-  const urls = [...html.matchAll(/\b(?:src|href)=["'](https?:\/\/[^"']+)["']/gi)].map((match) => match[1])
-  return urls.map((url) => ({ url, reason: 'external resource not fetched in deterministic scan' }))
-}
-
-async function writePlaceholderPng(path) {
-  const onePixelTransparentPng = Buffer.from(
-    'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mP8/x8AAwMCAO+/p9sAAAAASUVORK5CYII=',
-    'base64'
-  )
-  await writeFile(path, onePixelTransparentPng)
-}
-
 const vuetifyWhitelist = new Set([
   'VApp',
   'VBtn',
diff --git a/src/stages/status.js b/src/stages/status.js
deleted file mode 100644
index 41655a4..0000000
--- a/src/stages/status.js
+++ /dev/null
@@ -1,22 +0,0 @@
-import { join } from 'node:path'
-import { loadConfig } from '../lib/config.js'
-import { exists, readJson } from '../lib/files.js'
-
-/**
- * 顯示目前 TaskList 中各 task 狀態的數量。
- *
- * @returns {Promise<void>}
- */
-export async function status() {
-  const config = await loadConfig()
-  const path = join(config.htDir, 'plan/tasklist.json')
-  if (!(await exists(path))) {
-    console.log('尚未產生 TaskList')
-    return
-  }
-  const taskList = await readJson(path)
-  const counts = Object.groupBy(taskList.tasks, (task) => task.status)
-  for (const state of ['pending', 'running', 'done', 'error']) {
-    console.log(`${state}: ${counts[state]?.length ?? 0}`)
-  }
-}
diff --git a/src/stages/verify.js b/src/stages/verify.js
deleted file mode 100644
index cec1062..0000000
--- a/src/stages/verify.js
+++ /dev/null
@@ -1,50 +0,0 @@
-import { spawn } from 'node:child_process'
-import { join } from 'node:path'
-import { loadConfig } from '../lib/config.js'
-import { exists, listFiles, readJson, writeJson } from '../lib/files.js'
-
-/**
- * 執行 Stage 5：執行設定中的 quality commands，並寫出 MVP verification report。
- *
- * @returns {Promise<void>}
- */
-export async function verify() {
-  const config = await loadConfig()
-  const quality = {}
-  for (const [name, command] of Object.entries(config.project.qualityCommands ?? {})) {
-    quality[name] = await runQualityCommand(command, config.cwd)
-  }
-  const domChecks = await runDomChecks(config)
-  const flowChecks = { status: 'skipped', reason: 'no executable interaction model in MVP artifacts' }
-  const report = { generatedAt: new Date().toISOString(), quality, domChecks, flowChecks }
-  await writeJson(join(config.htDir, 'verify/verification-report.json'), report)
-  console.log(`verify report: ${join(config.htDir, 'verify/verification-report.json')}`)
-}
-
-async function runQualityCommand(command, cwd) {
-  if (!command) return { status: 'skipped', reason: 'command not configured' }
-  const [bin, ...args] = command.split(/\s+/)
-  return new Promise((resolve) => {
-    const child = spawn(bin, args, { cwd, stdio: 'pipe' })
-    let stdout = ''
-    let stderr = ''
-    child.stdout.on('data', (chunk) => { stdout += chunk })
-    child.stderr.on('data', (chunk) => { stderr += chunk })
-    child.on('error', (error) => resolve({ status: 'skipped', reason: error.message }))
-    child.on('close', (code) => resolve({
-      status: code === 0 ? 'passed' : 'failed',
-      exitCode: code,
-      stdoutSummary: stdout.slice(0, 1000),
-      stderrSummary: stderr.slice(0, 1000)
-    }))
-  })
-}
-
-async function runDomChecks(config) {
-  const taskListPath = join(config.htDir, 'plan/tasklist.json')
-  if (!(await exists(taskListPath))) return { status: 'skipped', reason: 'TaskList missing' }
-  const taskList = await readJson(taskListPath)
-  const outputFiles = await listFiles(config.outputDir, ['.vue'])
-  const missing = taskList.tasks.filter((task) => !outputFiles.some((file) => file.endsWith(task.targetFile)))
-  return { status: missing.length === 0 ? 'passed' : 'failed', missingTargets: missing.map((task) => task.targetFile) }
-}
diff --git a/test/cli-e2e.test.js b/test/cli-e2e.test.js
index e322e07..1bce474 100644
--- a/test/cli-e2e.test.js
+++ b/test/cli-e2e.test.js
@@ -10,11 +10,9 @@ import { promisify } from 'node:util'
 const exec = promisify(execFile)
 const cli = new URL('../src/cli.js', import.meta.url).pathname
 
-test('CLI runs scan, plan, run, diff, and verify against one prototype', async () => {
+test('CLI runs doctor and scan against one prototype', async () => {
   const cwd = await mkdtemp(join(tmpdir(), 'ht-e2e-'))
   await mkdir(join(cwd, 'packages/prototype'), { recursive: true })
-  await mkdir(join(cwd, 'packages/web/src'), { recursive: true })
-  await mkdir(join(cwd, 'packages/api'), { recursive: true })
   await writeFile(join(cwd, 'packages/prototype/index.html'), `
     <main>
       <h1>Customer Portal</h1>
@@ -25,24 +23,49 @@ test('CLI runs scan, plan, run, diff, and verify against one prototype', async (
       </form>
     </main>
   `)
-  await writeFile(join(cwd, 'packages/web/src/App.vue'), '<template><v-app /></template>')
-  await writeFile(join(cwd, 'packages/api/openapi.json'), '{"openapi":"3.0.0","paths":{}}')
-  await writeFile(join(cwd, 'ht.config.js'), `
-    export default {
-      plan: { interactiveReview: false },
-      project: { qualityCommands: {} }
-    }
-  `)
 
-  for (const command of ['scan', 'plan', 'run', 'diff', 'verify']) {
-    await exec('node', [cli, command], { cwd })
-  }
+  const doctor = await exec('node', [cli, 'doctor'], { cwd })
+  await exec('node', [cli, 'scan'], { cwd })
 
-  const component = await readFile(join(cwd, 'packages/result/index/main-1.vue'), 'utf8')
-  const report = JSON.parse(await readFile(join(cwd, '.ht/verify/verification-report.json'), 'utf8'))
+  const contract = await readFile(join(cwd, '.ht/spec/index.ui-contract.md'), 'utf8')
+  const spec = JSON.parse(await readFile(join(cwd, '.ht/spec/index.spec.json'), 'utf8'))
+  const validation = JSON.parse(await readFile(join(cwd, '.ht/spec/index.validation.json'), 'utf8'))
+  const appMap = JSON.parse(await readFile(join(cwd, '.ht/app-map.json'), 'utf8'))
 
-  assert.match(component, /Customer Portal/)
-  assert.match(component, /v-text-field/)
-  assert.equal(report.domChecks.status, 'passed')
+  assert.match(doctor.stdout, /ok prototype directory/)
+  assert.match(contract, /Customer Portal/)
+  assert.equal(spec.pageContract.title, null)
+  assert.deepEqual(spec.pageContract.forms[0].fields[0], {
+    name: 'email',
+    label: 'Email',
+    type: 'input',
+    required: true
+  })
+  assert.equal(validation.requiresHumanReview, false)
+  assert.equal(appMap.routes[0].prototype, 'index.html')
+  assert.equal(appMap.routes[0].kind, 'feature-page')
+  assert.equal(appMap.routes[0].layout, 'template-app')
 })
 
+test('CLI help only exposes MVP commands', async () => {
+  const result = await exec('node', [cli, 'help'])
+
+  assert.match(result.stdout, /doctor/)
+  assert.match(result.stdout, /scan/)
+  assert.doesNotMatch(result.stdout, /plan/)
+  assert.doesNotMatch(result.stdout, /run/)
+  assert.doesNotMatch(result.stdout, /diff/)
+  assert.doesNotMatch(result.stdout, /verify/)
+})
+
+test('CLI rejects removed pipeline commands', async () => {
+  await assert.rejects(
+    exec('node', [cli, 'plan']),
+    (error) => {
+      assert.equal(error.code, 1)
+      assert.match(error.stdout, /doctor/)
+      assert.match(error.stdout, /scan/)
+      return true
+    }
+  )
+})
diff --git a/test/config.test.js b/test/config.test.js
index 32da1d2..e8647ad 100644
--- a/test/config.test.js
+++ b/test/config.test.js
@@ -11,16 +11,13 @@ test('loadConfig supports ht.config.ts defineConfig shape', async () => {
     import { defineConfig } from 'html-transform'
     export default defineConfig({
       prototype: './proto',
-      output: './out',
-      plan: { interactiveReview: true }
+      vision: { captureStates: ['default'] }
     })
   `)
 
   const config = await loadConfig(cwd)
 
   assert.equal(config.prototypeDir, join(cwd, 'proto'))
-  assert.equal(config.outputDir, join(cwd, 'out'))
-  assert.equal(config.plan.interactiveReview, true)
-  assert.equal(config.project.qualityCommands.lint, 'pnpm lint')
+  assert.equal(config.htDir, join(cwd, '.ht'))
+  assert.deepEqual(config.vision.captureStates, ['default'])
 })
-
diff --git a/test/html.test.js b/test/html.test.js
index 0b6b3ed..594a94c 100644
--- a/test/html.test.js
+++ b/test/html.test.js
@@ -1,6 +1,6 @@
 import test from 'node:test'
 import assert from 'node:assert/strict'
-import { extractRegions, inferRegionSpec, summarizeHtml } from '../src/lib/html.js'
+import { buildAppMap, buildPageContract, extractRegions, inferRegionSpec, summarizeHtml, validatePageContract } from '../src/lib/html.js'
 
 test('summarizeHtml extracts user-visible contract evidence', () => {
   const summary = summarizeHtml(`
@@ -33,3 +33,84 @@ test('inferRegionSpec maps forms to VForm', () => {
   assert.deepEqual(spec.uiContract.primaryActions, ['Search'])
 })
 
+test('buildPageContract creates page-level UI contract', () => {
+  const html = `
+    <main>
+      <h1>Orders</h1>
+      <form><label>Email</label><input name="email" required><button>Search</button></form>
+      <table><thead><tr><th>Status</th></tr></thead><tbody><tr><td>Pending</td></tr></tbody></table>
+    </main>
+  `
+  const regions = extractRegions(html)
+  const domSummary = summarizeHtml(html)
+  const contract = buildPageContract({
+    page: 'orders.html',
+    source: '/prototype/orders.html',
+    html,
+    regions,
+    domSummary,
+    screenshotPath: '.ht/cache/prototype/orders/desktop-default.png'
+  })
+
+  assert.equal(contract.page, 'orders.html')
+  assert.equal(contract.forms[0].fields[0].required, true)
+  assert.deepEqual(contract.tables[0].headers, ['Status'])
+  assert.ok(contract.vuetifyComponents.includes('VTable'))
+})
+
+test('validatePageContract reports evidence mismatches', () => {
+  const report = validatePageContract({
+    textSamples: ['Missing'],
+    actions: [{ label: 'Save' }],
+    forms: [],
+    vuetifyComponents: ['VContainer']
+  }, {
+    textSamples: ['Orders'],
+    buttons: ['Search'],
+    labels: []
+  })
+
+  assert.equal(report.requiresHumanReview, true)
+  assert.match(report.warnings.join('\n'), /Missing/)
+  assert.match(report.warnings.join('\n'), /Save/)
+})
+
+test('buildAppMap classifies auth, shell references, and feature pages', () => {
+  const prototypeDir = '/repo/prototype'
+  const specs = [
+    buildSpec('/repo/prototype/portal/login.html', '<main><input type="password" name="pwd"><button>登入</button></main>'),
+    buildSpec('/repo/prototype/portal/app-layout.html', '<main><button>隱藏選單</button><button>登　　出</button></main>'),
+    buildSpec('/repo/prototype/venue/applications-list.html', '<main><h1>我的申請紀錄</h1><table><tr><th>申請單號</th></tr></table><button>查詢</button></main>')
+  ]
+
+  const appMap = buildAppMap(specs, prototypeDir)
+
+  assert.equal(appMap.routes.find((route) => route.prototype === 'portal/login.html').kind, 'auth')
+  assert.equal(appMap.routes.find((route) => route.prototype === 'portal/login.html').layout, 'template-auth')
+  assert.equal(buildAppMap([
+    buildSpec('/repo/prototype/portal/forget-password.html', '<main><h1>忘記密碼</h1><input name="idno"><button>發送至信箱</button></main>')
+  ], prototypeDir).routes[0].targetRole, 'forgot-password')
+  assert.equal(appMap.routes.find((route) => route.prototype === 'portal/app-layout.html').kind, 'legacy-shell-reference')
+  assert.equal(appMap.routes.find((route) => route.prototype === 'portal/app-layout.html').usePrototypeContent, false)
+  assert.equal(appMap.routes.find((route) => route.prototype === 'venue/applications-list.html').kind, 'feature-page')
+  assert.equal(appMap.routes.find((route) => route.prototype === 'venue/applications-list.html').layout, 'template-app')
+  assert.equal(appMap.modules.find((module) => module.name === 'venue').kind, 'feature-module')
+})
+
+function buildSpec(source, html) {
+  const regions = extractRegions(html)
+  const domSummary = summarizeHtml(html)
+  const page = source.split('/').at(-1)
+  return {
+    source,
+    page,
+    pageContract: buildPageContract({
+      page,
+      source,
+      html,
+      regions,
+      domSummary,
+      screenshotPath: `.ht/cache/prototype/${page.replace(/\.html$/, '')}/desktop-default.png`
+    })
+  }
+}