chore: start Export Options UI polish (TDD)

Reviewed-on: #5

.gitea/workflows/auto-label.yml

@@ -0,0 +1,37 @@
+name: Auto Label PR
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+jobs:
+  add-automerge-label:
+    runs-on: [macos, host]
+    steps:
+      - name: Add 'automerge' label to PR
+        env:
+          CI_TOKEN: ${{ secrets.CI_TOKEN }}
+          GITEA_BASE_URL: https://gitea.jaybe.dev
+          PR_NUMBER: ${{ github.event.pull_request.number }}
+          REPO: ${{ github.repository }}
+        run: |
+          set -euo pipefail
+          if [ -z "${CI_TOKEN:-}" ]; then
+            echo "CI_TOKEN not set; skipping labeling"; exit 0; fi
+          OWNER=$(echo "$REPO" | cut -d'/' -f1)
+          NAME=$(echo "$REPO" | cut -d'/' -f2)
+          echo "Resolving existing label id for 'automerge' in $OWNER/$NAME (no creation)"
+          curl -sS -o /tmp/labels.json -H "Authorization: token ${CI_TOKEN}" \
+            "${GITEA_BASE_URL}/api/v1/repos/${OWNER}/${NAME}/labels?limit=1000" || true
+          # Extract all ids whose name == automerge, prefer the smallest id (oldest)
+          LID=$(tr '\n' ' ' < /tmp/labels.json | \
+            grep -o '"id":[0-9][0-9]*[^\}]*"name":"automerge"' | \
+            sed -E 's/.*"id":([0-9]+).*/\1/' | sort -n | head -n1 || true)
+          if [ -z "${LID:-}" ]; then
+            echo "No existing 'automerge' label found; skipping labeling"; exit 0; fi
+          echo "Labeling PR #$PR_NUMBER with id $LID"
+          curl -sS -X POST \
+            -H "Content-Type: application/json" \
+            -H "Authorization: token ${CI_TOKEN}" \
+            "${GITEA_BASE_URL}/api/v1/repos/${OWNER}/${NAME}/issues/${PR_NUMBER}/labels" \
+            -d '{"labels":['"${LID}"']}' || true

.gitea/workflows/auto-pr.yml

@@ -0,0 +1,76 @@
+name: Auto PR
+
+on:
+  push:
+    branches:
+      - 'feat/**'
+
+jobs:
+  open-pr:
+    runs-on: [macos, host]
+    steps:
+      - name: Create Pull Request via Gitea API
+        env:
+          CI_TOKEN: ${{ secrets.CI_TOKEN }}
+          GITEA_BASE_URL: https://gitea.jaybe.dev
+          REPO: ${{ github.repository }}
+          HEAD_BRANCH: ${{ github.ref_name }}
+          BASE_BRANCH: main
+        run: |
+          set -euo pipefail
+          if [ -z "${CI_TOKEN:-}" ]; then
+            echo "GITEA_TOKEN not set; skipping auto-pr"; exit 0; fi
+          OWNER=$(echo "$REPO" | cut -d'/' -f1)
+          NAME=$(echo "$REPO" | cut -d'/' -f2)
+          TITLE="auto: PR for $HEAD_BRANCH"
+          BODY="Automated PR created on push to $HEAD_BRANCH"
+          echo "Creating PR $HEAD_BRANCH -> $BASE_BRANCH for $OWNER/$NAME"
+          HTTP_CODE=$(curl -sS -o /tmp/pr_resp.json -w "%{http_code}" -X POST \
+            -H "Content-Type: application/json" \
+            -H "Authorization: token ${CI_TOKEN}" \
+            "${GITEA_BASE_URL}/api/v1/repos/${OWNER}/${NAME}/pulls" \
+            -d "{\"head\":\"${HEAD_BRANCH}\",\"base\":\"${BASE_BRANCH}\",\"title\":\"${TITLE}\",\"body\":\"${BODY}\"}") || true
+          echo "API status: $HTTP_CODE"
+          if [ "$HTTP_CODE" = "201" ]; then
+            echo "PR created"; cat /tmp/pr_resp.json
+            PR_NUMBER=$(cat /tmp/pr_resp.json | sed -n 's/.*"number":\([0-9]*\).*/\1/p' | head -n1)
+          else
+            echo "PR not created (possibly exists). Response:"; cat /tmp/pr_resp.json || true
+          fi
+
+          # Retry to resolve PR number by listing open PRs and matching head/base
+          i=0
+          while [ -z "${PR_NUMBER:-}" ] && [ $i -lt 10 ]; do
+            i=$((i+1))
+            echo "[retry $i] Resolving PR number for $HEAD_BRANCH -> $BASE_BRANCH"
+            curl -sS -o /tmp/pr_list.json -H "Authorization: token ${CI_TOKEN}" \
+              "${GITEA_BASE_URL}/api/v1/repos/${OWNER}/${NAME}/pulls?state=open" || true
+            # Extract PR number matching head.ref==HEAD_BRANCH and base.ref==BASE_BRANCH
+            PR_NUMBER=$(awk -v hb="$HEAD_BRANCH" -v bb="$BASE_BRANCH" 'BEGIN{RS="},"; pr=""} {
+              if($0 ~ /\"head\":\{[^}]*\"ref\":\"" hb "\"/ && $0 ~ /\"base\":\{[^}]*\"ref\":\"" bb "\"/){
+                if (match($0, /\"number\":([0-9]+)/, m)) { print m[1]; exit }
+              }
+            }' /tmp/pr_list.json)
+            if [ -z "${PR_NUMBER:-}" ]; then sleep 2; fi
+          done
+
+          if [ -n "${PR_NUMBER:-}" ]; then
+            echo "Resolving existing label id for 'automerge' in $OWNER/$NAME (no creation)"
+            curl -sS -o /tmp/labels.json -H "Authorization: token ${CI_TOKEN}" \
+              "${GITEA_BASE_URL}/api/v1/repos/${OWNER}/${NAME}/labels?limit=1000" || true
+            LID=$(tr '\n' ' ' < /tmp/labels.json | \
+              grep -o '"id":[0-9][0-9]*[^\}]*"name":"automerge"' | \
+              sed -E 's/.*"id":([0-9]+).*/\1/' | sort -n | head -n1 || true)
+            if [ -n "${LID:-}" ]; then
+              echo "Adding 'automerge' (id=$LID) label to PR #$PR_NUMBER"
+              curl -sS -X POST \
+                -H "Content-Type: application/json" \
+                -H "Authorization: token ${CI_TOKEN}" \
+                "${GITEA_BASE_URL}/api/v1/repos/${OWNER}/${NAME}/issues/${PR_NUMBER}/labels" \
+                -d '{"labels":['"${LID}"']}' || true
+            else
+              echo "No existing 'automerge' label found; skipping label add"
+            fi
+          else
+            echo "PR number could not be determined; skipping label add"
+          fi

.gitea/workflows/ci.yml

@@ -0,0 +1,82 @@
+name: CI
+
+on:
+  push:
+    branches: [ main, master ]
+  pull_request:
+
+jobs:
+  test:
+    runs-on: [macos, host]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'npm'
+
+      - name: Install deps
+        run: npm ci
+
+      - name: Unit/Component tests (Vitest)
+        run: npm test
+        env:
+          CI: true
+
+      - name: Install Playwright browsers
+        run: npx playwright install --with-deps
+
+      - name: E2E tests (Playwright)
+        run: npm run test:e2e -- --reporter=line
+        env:
+          CI: true
+
+      - name: Upload Playwright report
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: playwright-report
+          path: playwright-report
+          if-no-files-found: ignore
+          retention-days: 3
+
+      - name: Auto-merge PR on green
+        if: ${{ github.event_name == 'pull_request' }}
+        env:
+          CI_TOKEN: ${{ secrets.CI_TOKEN }}
+          GITEA_BASE_URL: https://gitea.jaybe.dev
+          PR_NUMBER: ${{ github.event.pull_request.number }}
+          REPO: ${{ github.repository }}
+        run: |
+          set -euo pipefail
+          if [ -z "${CI_TOKEN:-}" ]; then
+            echo "CI_TOKEN not set; skipping auto-merge"; exit 0; fi
+          OWNER=$(echo "$REPO" | cut -d'/' -f1)
+          NAME=$(echo "$REPO" | cut -d'/' -f2)
+          echo "Checking labels for PR #$PR_NUMBER on $OWNER/$NAME"
+          LABELS_JSON=$(curl -sS -X GET \
+            -H "Authorization: token ${CI_TOKEN}" \
+            "${GITEA_BASE_URL}/api/v1/repos/${OWNER}/${NAME}/issues/${PR_NUMBER}")
+          echo "labels payload (first 200 chars):"; echo "$LABELS_JSON" | cut -c1-200 || true
+          if ! echo "$LABELS_JSON" | grep -qi '"name":"automerge"'; then
+            echo "Label 'automerge' not present; skipping merge"; exit 0; fi
+          echo "Label 'automerge' present; proceeding to merge"
+          # ensure PR is open
+          PR_JSON=$(curl -sS -X GET \
+            -H "Authorization: token ${CI_TOKEN}" \
+            "${GITEA_BASE_URL}/api/v1/repos/${OWNER}/${NAME}/pulls/${PR_NUMBER}")
+          STATE=$(echo "$PR_JSON" | sed -n 's/.*"state":"\([^"]*\)".*/\1/p')
+          echo "PR state: ${STATE:-unknown}"
+          if [ "${STATE:-}" != "open" ]; then
+            echo "PR state is not open; skipping merge"; exit 0; fi
+          echo "Merging PR #$PR_NUMBER for $OWNER/$NAME"
+          HTTP_CODE=$(curl -sS -o /tmp/merge_resp.json -w "%{http_code}" -X POST \
+            -H "Content-Type: application/json" \
+            -H "Authorization: token ${CI_TOKEN}" \
+            "${GITEA_BASE_URL}/api/v1/repos/${OWNER}/${NAME}/pulls/${PR_NUMBER}/merge" \
+            -d '{"Do":"merge","MergeMessage":"auto-merge: CI green"}' || true)
+          echo "merge http: $HTTP_CODE"
+          echo "merge resp:"; cat /tmp/merge_resp.json || true

.github/workflows/ci.yml

@@ -7,7 +7,7 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: [macos, host]
     steps:
       - name: Checkout
         uses: actions/checkout@v4

.gitignore

@@ -39,3 +39,4 @@ yarn-error.log*
 # typescript
 *.tsbuildinfo
 next-env.d.ts
+MAIN_PLAN.md

components/BuilderClientPage.tsx

@@ -6,6 +6,7 @@ import { pageSchema, type Page } from '@/lib/schema/page'
 import { exportPage } from '@/lib/exporter/html'
 import { AssetManager } from '@/lib/assets/assetManager'
 import { buildZip } from '@/lib/exporter/zip'
+import { buildExtrasForPage } from '@/lib/exporter/extras'
 import type { Section } from '@/lib/state/store'
 import { createFormStore, type FormState } from '@/lib/state/formStore'
 import FormBuilderPanel from '@/components/FormBuilderPanel'
@@ -47,6 +48,13 @@ export default function BuilderClientPage() {
   const [ogImage, setOgImage] = useState<string>('')
   const [ga4MeasurementId, setGa4MeasurementId] = useState<string>('')
   const [metaPixelId, setMetaPixelId] = useState<string>('')
+  // Export Options (manifest/robots overrides)
+  const [manifestName, setManifestName] = useState<string>('')
+  const [manifestShortName, setManifestShortName] = useState<string>('')
+  const [manifestStartUrl, setManifestStartUrl] = useState<string>('')
+  const [manifestDisplay, setManifestDisplay] = useState<string>('')
+  const [manifestThemeColor, setManifestThemeColor] = useState<string>('')
+  const [robotsDisallow, setRobotsDisallow] = useState<string>('')
   const [viewport, setViewport] = useState<'desktop' | 'mobile'>(() => {
     if (typeof window !== 'undefined') {
       try {
@@ -185,7 +193,20 @@ export default function BuilderClientPage() {
   }, [pageData, am])
 
   const doExport = useCallback(async () => {
-    const valid = pageSchema.parse(pageData)
+    let valid = pageData as Page
+    try {
+      valid = pageSchema.parse(pageData)
+    } catch {
+      const fixed: Page = {
+        ...pageData,
+        form: {
+          actionUrl: pageData.form?.actionUrl ?? '',
+          fields: pageData.form?.fields ?? [],
+          spamProtection: pageData.form?.spamProtection ?? { honeypotFieldName: '_hp', minSubmitSeconds: 2 },
+        },
+      } as Page
+      valid = pageSchema.parse(fixed)
+    }
     const exported = exportPage(valid, { assetManager: am ?? undefined })
     try {
       if (typeof window !== 'undefined') {
@@ -196,9 +217,30 @@ export default function BuilderClientPage() {
       }
     } catch {}
     const assets = am ? am.toZipStructure() : {}
-    const zipBytes = await buildZip({ html: exported.html, css: exported.css, js: exported.js, assets })
+    // Build overrides from UI options
+    const manifestOverrideBase: Record<string, string> = {}
+    if (manifestName && manifestName.trim().length > 0) manifestOverrideBase.name = manifestName.trim()
+    if (manifestShortName && manifestShortName.trim().length > 0) manifestOverrideBase.short_name = manifestShortName.trim()
+    if (manifestStartUrl && manifestStartUrl.trim().length > 0) manifestOverrideBase.start_url = manifestStartUrl.trim()
+    if (manifestDisplay && manifestDisplay.trim().length > 0) manifestOverrideBase.display = manifestDisplay.trim()
+    if (manifestThemeColor && manifestThemeColor.trim().length > 0) {
+      const v = manifestThemeColor.trim()
+      const hexOk = /^#([0-9a-fA-F]{3}){1,2}$/.test(v)
+      if (hexOk) {
+        manifestOverrideBase.theme_color = v
+      }
+    }
+    const manifestOverride = Object.keys(manifestOverrideBase).length > 0 ? (manifestOverrideBase as { name?: string; short_name?: string; start_url?: string; display?: string; theme_color?: string }) : undefined
+    const robotsTextOverride = (() => {
+      const lines = (robotsDisallow || '').split(/\n+/).map((s) => s.trim()).filter((s) => s.length > 0)
+      if (lines.length === 0) return undefined
+      const disallowLines = lines.map((l) => (l.startsWith('Disallow:') ? l : `Disallow: ${l}`))
+      return `User-agent: *\n${disallowLines.join('\n')}`
+    })()
+    const extras = buildExtrasForPage(valid, { robotsText: robotsTextOverride, manifest: manifestOverride })
+    const zipBytes = await buildZip({ html: exported.html, css: exported.css, js: exported.js, assets, extras })
     download('landing.zip', zipBytes)
-  }, [pageData, am])
+  }, [pageData, am, manifestName, manifestShortName, manifestStartUrl, manifestDisplay, manifestThemeColor, robotsDisallow])
 
   return (
     <div className="p-6 space-y-6">
@@ -261,6 +303,80 @@ export default function BuilderClientPage() {
                 onSelect={(i) => setSelectedIndex(i)}
               />
             </div>
+            <div className="border rounded p-3 space-y-2">
+              <h2 className="text-sm font-semibold mb-1">Export Options</h2>
+              <label className="block" htmlFor="ins-manifest-name">
+                <span className="sr-only">Manifest Name</span>
+                <input
+                  id="ins-manifest-name"
+                  aria-label="Manifest Name"
+                  className="border rounded px-3 py-2 w-full"
+                  value={manifestName}
+                  onChange={(e) => setManifestName(e.target.value)}
+                  placeholder="My App"
+                />
+              </label>
+              <label className="block" htmlFor="ins-manifest-short-name">
+                <span className="sr-only">Manifest Short Name</span>
+                <input
+                  id="ins-manifest-short-name"
+                  aria-label="Manifest Short Name"
+                  className="border rounded px-3 py-2 w-full"
+                  value={manifestShortName}
+                  onChange={(e) => setManifestShortName(e.target.value)}
+                  placeholder="MyApp"
+                />
+              </label>
+              <label className="block" htmlFor="ins-manifest-start-url">
+                <span className="sr-only">Manifest Start URL</span>
+                <input
+                  id="ins-manifest-start-url"
+                  aria-label="Manifest Start URL"
+                  className="border rounded px-3 py-2 w-full"
+                  value={manifestStartUrl}
+                  onChange={(e) => setManifestStartUrl(e.target.value)}
+                  placeholder="/"
+                />
+              </label>
+              <label className="block" htmlFor="ins-manifest-display">
+                <span className="sr-only">Manifest Display</span>
+                <select
+                  id="ins-manifest-display"
+                  aria-label="Manifest Display"
+                  className="border rounded px-3 py-2 w-full"
+                  value={manifestDisplay}
+                  onChange={(e) => setManifestDisplay(e.target.value)}
+                >
+                  <option value="">(default)</option>
+                  <option value="standalone">standalone</option>
+                  <option value="minimal-ui">minimal-ui</option>
+                  <option value="browser">browser</option>
+                </select>
+              </label>
+              <label className="block" htmlFor="ins-manifest-theme-color">
+                <span className="sr-only">Manifest Theme Color</span>
+                <input
+                  id="ins-manifest-theme-color"
+                  aria-label="Manifest Theme Color"
+                  className="border rounded px-3 py-2 w-full"
+                  value={manifestThemeColor}
+                  onChange={(e) => setManifestThemeColor(e.target.value)}
+                  placeholder="#0ea5e9"
+                />
+              </label>
+              <label className="block" htmlFor="ins-robots-disallow">
+                <span className="sr-only">Robots Disallow</span>
+                <textarea
+                  id="ins-robots-disallow"
+                  aria-label="Robots Disallow"
+                  className="border rounded px-3 py-2 w-full"
+                  rows={3}
+                  value={robotsDisallow}
+                  onChange={(e) => setRobotsDisallow(e.target.value)}
+                  placeholder="/private\n/tmp"
+                />
+              </label>
+            </div>
           </div>
         }
         right={

components/ExportOptions.manifest.ui.test.tsx

@@ -0,0 +1,67 @@
+import { describe, it, expect, vi } from 'vitest'
+import { render, screen, fireEvent } from '@testing-library/react'
+import BuilderClientPage from '@/components/BuilderClientPage'
+
+vi.mock('next-intl', () => {
+  return {
+    useTranslations: () => (key: string) => key,
+  }
+})
+
+const buildZipSpy = vi.fn(async (_arg: {
+  html: string
+  css: string
+  js: string
+  assets: Record<string, Uint8Array>
+  extras?: Record<string, Uint8Array>
+}) => new Uint8Array([80, 75]))
+
+vi.mock('@/lib/exporter/zip', () => {
+  return {
+    buildZip: (arg: {
+      html: string
+      css: string
+      js: string
+      assets: Record<string, Uint8Array>
+      extras?: Record<string, Uint8Array>
+    }) => buildZipSpy(arg),
+  }
+})
+
+describe('Export Options UI → manifest fields', () => {
+  it('passes short_name/start_url/display/theme_color to extras manifest JSON', async () => {
+    render(<BuilderClientPage />)
+
+    const shortName = 'MyApp'
+    const startUrl = '/home'
+    const display = 'minimal-ui'
+    const themeColor = '#112233'
+
+    const snInput = await screen.findByLabelText('Manifest Short Name')
+    fireEvent.change(snInput, { target: { value: shortName } })
+
+    const startInput = await screen.findByLabelText('Manifest Start URL')
+    fireEvent.change(startInput, { target: { value: startUrl } })
+
+    const displayInput = await screen.findByLabelText('Manifest Display')
+    fireEvent.change(displayInput, { target: { value: display } })
+
+    const colorInput = await screen.findByLabelText('Manifest Theme Color')
+    fireEvent.change(colorInput, { target: { value: themeColor } })
+
+    const exportBtn = await screen.findByRole('button', { name: 'builder.action.export' })
+    fireEvent.click(exportBtn)
+
+    expect(buildZipSpy).toHaveBeenCalled()
+    const first = buildZipSpy.mock.calls[0]
+    const extras: Record<string, Uint8Array> = (first![0] as { extras: Record<string, Uint8Array> }).extras
+    const td = new TextDecoder()
+    const manifestRaw = td.decode(extras['site.webmanifest'])
+    const manifest = JSON.parse(manifestRaw)
+
+    expect(manifest.short_name).toBe(shortName)
+    expect(manifest.start_url).toBe(startUrl)
+    expect(manifest.display).toBe(display)
+    expect(manifest.theme_color).toBe(themeColor)
+  })
+})

components/ExportOptions.polish.ui.test.tsx

@@ -0,0 +1,64 @@
+import { describe, it, expect, vi } from 'vitest'
+import { render, screen, fireEvent } from '@testing-library/react'
+import BuilderClientPage from '@/components/BuilderClientPage'
+
+vi.mock('next-intl', () => {
+  return {
+    useTranslations: () => (key: string) => key,
+  }
+})
+
+const buildZipSpy = vi.fn(async (_arg: {
+  html: string
+  css: string
+  js: string
+  assets: Record<string, Uint8Array>
+  extras?: Record<string, Uint8Array>
+}) => new Uint8Array([80, 75]))
+
+vi.mock('@/lib/exporter/zip', () => {
+  return {
+    buildZip: (arg: {
+      html: string
+      css: string
+      js: string
+      assets: Record<string, Uint8Array>
+      extras?: Record<string, Uint8Array>
+    }) => buildZipSpy(arg),
+  }
+})
+
+describe('Export Options UI polish', () => {
+  it('uses a dropdown for Manifest Display and passes selected value', async () => {
+    render(<BuilderClientPage />)
+
+    // choose display = minimal-ui
+    const displaySelect = await screen.findByLabelText('Manifest Display')
+    fireEvent.change(displaySelect, { target: { value: 'minimal-ui' } })
+
+    const exportBtn = await screen.findByRole('button', { name: 'builder.action.export' })
+    fireEvent.click(exportBtn)
+
+    const first = buildZipSpy.mock.calls[0]
+    const extras: Record<string, Uint8Array> = (first![0] as { extras: Record<string, Uint8Array> }).extras
+    const td = new TextDecoder()
+    const manifest = JSON.parse(td.decode(extras['site.webmanifest']))
+    expect(manifest.display).toBe('minimal-ui')
+  })
+
+  it('ignores invalid theme_color override and keeps default theme when not a hex', async () => {
+    render(<BuilderClientPage />)
+
+    const colorInput = await screen.findByLabelText('Manifest Theme Color')
+    fireEvent.change(colorInput, { target: { value: 'blue' } }) // invalid hex
+
+    const exportBtn = await screen.findByRole('button', { name: 'builder.action.export' })
+    fireEvent.click(exportBtn)
+
+    const first = buildZipSpy.mock.calls[0]
+    const extras: Record<string, Uint8Array> = (first![0] as { extras: Record<string, Uint8Array> }).extras
+    const td = new TextDecoder()
+    const manifest = JSON.parse(td.decode(extras['site.webmanifest']))
+    expect(manifest.theme_color).toBe('#0ea5e9') // default from page.theme.primaryColor
+  })
+})

components/ExportOptions.ui.test.tsx

@@ -0,0 +1,60 @@
+import { describe, it, expect, vi } from 'vitest'
+import { render, screen, fireEvent } from '@testing-library/react'
+import BuilderClientPage from '@/components/BuilderClientPage'
+
+vi.mock('next-intl', () => {
+  return {
+    useTranslations: () => (key: string) => key,
+  }
+})
+
+const buildZipSpy = vi.fn(async (_arg: {
+  html: string
+  css: string
+  js: string
+  assets: Record<string, Uint8Array>
+  extras?: Record<string, Uint8Array>
+}) => new Uint8Array([80, 75]))
+
+vi.mock('@/lib/exporter/zip', () => {
+  return {
+    buildZip: (arg: {
+      html: string
+      css: string
+      js: string
+      assets: Record<string, Uint8Array>
+      extras?: Record<string, Uint8Array>
+    }) => buildZipSpy(arg),
+  }
+})
+
+describe('Export Options UI → extras overrides', () => {
+  it('passes manifest.name and robots Disallow to buildExtrasForPage via buildZip extras', async () => {
+    render(<BuilderClientPage />)
+
+    const manifestName = 'My App Custom'
+    const robotsDisallow = '/private\n/tmp'
+
+    const nameInput = await screen.findByLabelText('Manifest Name')
+    fireEvent.change(nameInput, { target: { value: manifestName } })
+
+    const robotsInput = await screen.findByLabelText('Robots Disallow')
+    fireEvent.change(robotsInput, { target: { value: robotsDisallow } })
+
+    const exportBtn = await screen.findByRole('button', { name: 'builder.action.export' })
+    fireEvent.click(exportBtn)
+
+    expect(buildZipSpy).toHaveBeenCalled()
+    const first = buildZipSpy.mock.calls[0]
+    expect(first && first[0]).toBeTruthy()
+    const extras: Record<string, Uint8Array> = (first![0] as { extras: Record<string, Uint8Array> }).extras
+    const td = new TextDecoder()
+    const manifestRaw = td.decode(extras['site.webmanifest'])
+    const robotsRaw = td.decode(extras['robots.txt'])
+    const manifest = JSON.parse(manifestRaw)
+
+    expect(manifest.name).toBe(manifestName)
+    expect(robotsRaw).toMatch(/Disallow: \/private/)
+    expect(robotsRaw).toMatch(/Disallow: \/tmp/)
+  })
+})

components/I18nProvider.tsx

@@ -13,7 +13,8 @@ export default function I18nProvider({
   children: React.ReactNode
 }) {
   return (
-    <NextIntlClientProvider locale={locale} messages={messages}>
+    // next-intl: Provide a default timeZone to avoid ENVIRONMENT_FALLBACK mismatches
+    <NextIntlClientProvider locale={locale} messages={messages} timeZone="Asia/Seoul">
       {children}
     </NextIntlClientProvider>
   )

components/InspectorA11y.sections.test.tsx

@@ -0,0 +1,53 @@
+import { render, screen, fireEvent } from '@testing-library/react'
+import '@testing-library/jest-dom'
+import React from 'react'
+import BuilderClientPage from '@/components/BuilderClientPage'
+import I18nProvider from '@/components/I18nProvider'
+import en from '@/messages/en.json'
+import { assertDescribedBy } from '@/components/testUtils/inspectorA11y'
+
+describe('Inspector a11y sections template - Hero/CTA/FAQ describedby wiring', () => {
+  it('Hero, CTA, FAQ inspector inputs are wired to helptexts', () => {
+    render(
+      <I18nProvider locale="en" messages={en as unknown as Record<string, string>}>
+        <BuilderClientPage />
+      </I18nProvider>
+    )
+
+    // Add hero to enable inspector
+    const addHero = screen.getByRole('button', { name: 'Add Hero' })
+    fireEvent.click(addHero)
+
+    // Select first section (Hero)
+    const selectButtons = screen.getAllByRole('button', { name: /Select \d+/ })
+    fireEvent.click(selectButtons[0])
+
+    const heroHeading = screen.getByLabelText('Hero Heading')
+    assertDescribedBy(heroHeading, 'ins-hero-heading-help')
+
+    // Replace with CTA and test describedby
+    const addCta = screen.getByRole('button', { name: 'Add CTA' })
+    fireEvent.click(addCta)
+    const selectSecond = screen.getAllByRole('button', { name: /Select \d+/ })[1]
+    fireEvent.click(selectSecond)
+
+    const ctaText = screen.getByLabelText('CTA Text')
+    assertDescribedBy(ctaText, 'ins-cta-text-help')
+    const ctaHref = screen.getByLabelText('CTA Href')
+    assertDescribedBy(ctaHref, 'ins-cta-href-help')
+
+    // Add FAQ and test using shared help id
+    const addFaq = screen.getByRole('button', { name: 'Add FAQ' })
+    fireEvent.click(addFaq)
+    const selectThird = screen.getAllByRole('button', { name: /Select \d+/ })[2]
+    fireEvent.click(selectThird)
+    // Add one FAQ item to render inputs
+    const addFaqItem = screen.getByRole('button', { name: 'Add FAQ Item' })
+    fireEvent.click(addFaqItem)
+
+    const faqQ = screen.getByLabelText('FAQ Q 0')
+    const faqA = screen.getByLabelText('FAQ A 0')
+    assertDescribedBy(faqQ, 'ins-faq-help')
+    assertDescribedBy(faqA, 'ins-faq-help')
+  })
+})

components/InspectorA11y.template.test.tsx

@@ -0,0 +1,29 @@
+import { render, screen } from '@testing-library/react'
+import '@testing-library/jest-dom'
+import React from 'react'
+import BuilderClientPage from '@/components/BuilderClientPage'
+import I18nProvider from '@/components/I18nProvider'
+import en from '@/messages/en.json'
+import { assertDescribedBy } from '@/components/testUtils/inspectorA11y'
+
+describe('Inspector a11y template - describedby wiring', () => {
+  it('SEO/Analytics inputs are wired to their helptexts via aria-describedby', () => {
+    render(
+      <I18nProvider locale="en" messages={en as unknown as Record<string, string>}>
+        <BuilderClientPage />
+      </I18nProvider>
+    )
+
+    const seoTitle = screen.getByLabelText('SEO Title')
+    const seoDesc = screen.getByLabelText('SEO Description')
+    const ogImage = screen.getByLabelText('OG Image URL')
+    const ga4 = screen.getByLabelText('GA4 Measurement ID')
+    const meta = screen.getByLabelText('Meta Pixel ID')
+
+    assertDescribedBy(seoTitle, 'ins-seo-title-help')
+    assertDescribedBy(seoDesc, 'ins-seo-desc-help')
+    assertDescribedBy(ogImage, 'ins-og-image-help')
+    assertDescribedBy(ga4, 'ins-ga4-help')
+    assertDescribedBy(meta, 'ins-meta-pixel-help')
+  })
+})

components/buttons.naming.smoke.test.tsx

@@ -0,0 +1,28 @@
+import { render, screen } from '@testing-library/react'
+import '@testing-library/jest-dom'
+import React from 'react'
+import BuilderClientPage from '@/components/BuilderClientPage'
+import I18nProvider from '@/components/I18nProvider'
+import en from '@/messages/en.json'
+
+describe('Buttons naming/aria-label consistency (smoke)', () => {
+  it('renders primary action buttons with stable accessible names', () => {
+    render(
+      <I18nProvider locale="en" messages={en as unknown as Record<string, string>}>
+        <BuilderClientPage />
+      </I18nProvider>
+    )
+
+    // Sidebar/toolbar actions
+    expect(screen.getByRole('button', { name: 'Add Hero' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: 'Add FAQ' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: 'Add CTA' })).toBeInTheDocument()
+
+    // Export button
+    expect(screen.getByRole('button', { name: 'Export ZIP' })).toBeInTheDocument()
+
+    // Preview viewport toggle buttons have explicit aria-labels as names
+    expect(screen.getByRole('button', { name: 'Desktop' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: 'Mobile' })).toBeInTheDocument()
+  })
+})

components/i18n.form.actions.test.tsx

@@ -0,0 +1,42 @@
+import { render, screen } from '@testing-library/react'
+import '@testing-library/jest-dom'
+import React from 'react'
+import BuilderClientPage from '@/components/BuilderClientPage'
+import I18nProvider from '@/components/I18nProvider'
+import en from '@/messages/en.json'
+import ko from '@/messages/ko.json'
+
+describe('i18n regression - form add actions (en/ko)', () => {
+  function renderWith(locale: 'en' | 'ko') {
+    const messages = locale === 'en' ? en : ko
+    return render(
+      <I18nProvider locale={locale} messages={messages as unknown as Record<string, string>}>
+        <BuilderClientPage />
+      </I18nProvider>
+    )
+  }
+
+  it('en labels exist for form field add buttons', () => {
+    renderWith('en')
+    expect(screen.getByRole('button', { name: 'Add Text' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: 'Add Email' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: 'Add Tel' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: 'Add Date' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: 'Add Textarea' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: 'Add Checkbox' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: 'Add Select' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: 'Add Radio' })).toBeInTheDocument()
+  })
+
+  it('ko labels exist for form field add buttons', () => {
+    renderWith('ko')
+    expect(screen.getByRole('button', { name: '텍스트 필드 추가' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: '이메일 필드 추가' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: '전화번호 필드 추가' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: '날짜 필드 추가' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: '텍스트영역 추가' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: '체크박스 추가' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: '셀렉트 추가' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: '라디오 추가' })).toBeInTheDocument()
+  })
+})

components/i18n.misc.labels.test.tsx

@@ -0,0 +1,32 @@
+import { render, screen } from '@testing-library/react'
+import '@testing-library/jest-dom'
+import React from 'react'
+import BuilderClientPage from '@/components/BuilderClientPage'
+import I18nProvider from '@/components/I18nProvider'
+import en from '@/messages/en.json'
+import ko from '@/messages/ko.json'
+
+describe('i18n regression - misc labels (title/preview/sections)', () => {
+  function renderWith(locale: 'en' | 'ko') {
+    const messages = locale === 'en' ? en : ko
+    return render(
+      <I18nProvider locale={locale} messages={messages as unknown as Record<string, string>}>
+        <BuilderClientPage />
+      </I18nProvider>
+    )
+  }
+
+  it('en: builder title, preview text, sections heading present', () => {
+    renderWith('en')
+    expect(screen.getByRole('heading', { name: 'Landing Page Builder' })).toBeInTheDocument()
+    expect(screen.getByText('Preview (static)')).toBeInTheDocument()
+    expect(screen.getByText('Sections')).toBeInTheDocument()
+  })
+
+  it('ko: builder title, preview text, sections heading present', () => {
+    renderWith('ko')
+    expect(screen.getByRole('heading', { name: '랜딩 페이지 빌더' })).toBeInTheDocument()
+    expect(screen.getByText('미리보기(정적)')).toBeInTheDocument()
+    expect(screen.getByText('섹션')).toBeInTheDocument()
+  })
+})

components/i18n.regression.test.tsx

@@ -0,0 +1,62 @@
+import { render, screen } from '@testing-library/react'
+import '@testing-library/jest-dom'
+import React from 'react'
+import BuilderClientPage from '@/components/BuilderClientPage'
+import I18nProvider from '@/components/I18nProvider'
+import en from '@/messages/en.json'
+import ko from '@/messages/ko.json'
+
+function renderWith(locale: 'en' | 'ko') {
+  const messages = locale === 'en' ? en : ko
+  return render(
+    <I18nProvider locale={locale} messages={messages as unknown as Record<string, string>}>
+      <BuilderClientPage />
+    </I18nProvider>
+  )
+}
+
+describe('i18n regression - key presence on main UI', () => {
+  it('en: shows expected labels and buttons', () => {
+    renderWith('en')
+    expect(screen.getByRole('heading', { name: 'Landing Page Builder' })).toBeInTheDocument()
+    expect(screen.getByLabelText('Title')).toBeInTheDocument()
+    expect(screen.getByLabelText('Locale')).toBeInTheDocument()
+    expect(screen.getByLabelText('Primary Color')).toBeInTheDocument()
+    expect(screen.getByLabelText('Font Family')).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: 'Export ZIP' })).toBeInTheDocument()
+    // form actions
+    expect(screen.getByRole('button', { name: 'Add Text' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: 'Add Email' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: 'Add Tel' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: 'Add Date' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: 'Add Textarea' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: 'Add Checkbox' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: 'Add Select' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: 'Add Radio' })).toBeInTheDocument()
+    // preview
+    expect(screen.getByRole('button', { name: 'Desktop' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: 'Mobile' })).toBeInTheDocument()
+  })
+
+  it('ko: shows expected labels and buttons', () => {
+    renderWith('ko')
+    expect(screen.getByRole('heading', { name: '랜딩 페이지 빌더' })).toBeInTheDocument()
+    expect(screen.getByLabelText('제목')).toBeInTheDocument()
+    expect(screen.getByLabelText('로케일')).toBeInTheDocument()
+    expect(screen.getByLabelText('대표 색상')).toBeInTheDocument()
+    expect(screen.getByLabelText('폰트')).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: 'ZIP 내보내기' })).toBeInTheDocument()
+    // form actions
+    expect(screen.getByRole('button', { name: '텍스트 필드 추가' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: '이메일 필드 추가' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: '전화번호 필드 추가' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: '날짜 필드 추가' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: '텍스트영역 추가' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: '체크박스 추가' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: '셀렉트 추가' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: '라디오 추가' })).toBeInTheDocument()
+    // preview
+    expect(screen.getByRole('button', { name: 'Desktop' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: 'Mobile' })).toBeInTheDocument()
+  })
+})

components/i18n.sidebar.actions.test.tsx

@@ -0,0 +1,32 @@
+import { render, screen } from '@testing-library/react'
+import '@testing-library/jest-dom'
+import React from 'react'
+import BuilderClientPage from '@/components/BuilderClientPage'
+import I18nProvider from '@/components/I18nProvider'
+import en from '@/messages/en.json'
+import ko from '@/messages/ko.json'
+
+describe('i18n regression - sidebar add actions (en/ko)', () => {
+  function renderWith(locale: 'en' | 'ko') {
+    const messages = locale === 'en' ? en : ko
+    return render(
+      <I18nProvider locale={locale} messages={messages as unknown as Record<string, string>}>
+        <BuilderClientPage />
+      </I18nProvider>
+    )
+  }
+
+  it('en labels exist', () => {
+    renderWith('en')
+    expect(screen.getByRole('button', { name: 'Add Hero' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: 'Add FAQ' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: 'Add CTA' })).toBeInTheDocument()
+  })
+
+  it('ko labels exist', () => {
+    renderWith('ko')
+    expect(screen.getByRole('button', { name: '히어로 추가' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: 'FAQ 추가' })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: 'CTA 추가' })).toBeInTheDocument()
+  })
+})

components/previewToggle.aria.snapshot.test.tsx

@@ -0,0 +1,31 @@
+import { render, screen } from '@testing-library/react'
+import '@testing-library/jest-dom'
+import React from 'react'
+import BuilderClientPage from '@/components/BuilderClientPage'
+import I18nProvider from '@/components/I18nProvider'
+import en from '@/messages/en.json'
+
+describe('Preview viewport toggle ARIA regression', () => {
+  it('Desktop/Mobile buttons expose stable ARIA attributes', () => {
+    render(
+      <I18nProvider locale="en" messages={en as unknown as Record<string, string>}>
+        <BuilderClientPage />
+      </I18nProvider>
+    )
+
+    const desktop = screen.getByRole('button', { name: 'Desktop' })
+    const mobile = screen.getByRole('button', { name: 'Mobile' })
+
+    // describedby shared help
+    expect(desktop).toHaveAttribute('aria-describedby', 'preview-toggle-help')
+    expect(mobile).toHaveAttribute('aria-describedby', 'preview-toggle-help')
+
+    // controls preview container
+    expect(desktop).toHaveAttribute('aria-controls', 'preview-container')
+    expect(mobile).toHaveAttribute('aria-controls', 'preview-container')
+
+    // default pressed state: Desktop true, Mobile false
+    expect(desktop).toHaveAttribute('aria-pressed', 'true')
+    expect(mobile).toHaveAttribute('aria-pressed', 'false')
+  })
+})

components/testUtils/inspectorA11y.ts

@@ -0,0 +1,8 @@
+// Inspector a11y helper: verify input ↔ helptext wiring via aria-describedby
+import { expect } from 'vitest'
+
+export function assertDescribedBy(input: HTMLElement, helpId: string) {
+  expect(input).toHaveAttribute('aria-describedby', helpId)
+  const help = (input.ownerDocument || document).getElementById(helpId)
+  expect(help).not.toBeNull()
+}

lib/exporter/a11yResponsive.test.ts

@@ -41,7 +41,7 @@ describe('Exporter a11y/responsive enhancements', () => {
   test('hero image alt derives from heading', () => {
     const out = exportPage(makePage())
     expect(out.html).toContain('<h1 id="hero-heading">Welcome</h1>')
-    expect(out.html).toContain('<img src="https://example.com/img.png" alt="Welcome" />')
+    expect(out.html).toMatch(/<img[^>]*src="https:\/\/example\.com\/img\.png"[^>]*alt="Welcome"[^>]*\/>/)
   })
 
   test('responsive and a11y CSS tokens exist', () => {

lib/exporter/cssTokens.expand.test.ts

@@ -0,0 +1,37 @@
+import { describe, it, expect } from 'vitest'
+import { exportPage } from '@/lib/exporter/html'
+import { pageSchema, type Page } from '@/lib/schema/page'
+
+function makePage(): Page {
+  return pageSchema.parse({
+    title: 'CSS Tokens Expand',
+    locale: 'en',
+    theme: { primaryColor: '#0ea5e9', fontFamily: 'Inter' },
+    sections: [],
+    form: { actionUrl: '', fields: [], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
+    seo: { title: 'SEO', description: 'Desc' },
+  })
+}
+
+describe('Exporter CSS tokens - expanded regression', () => {
+  it('includes root var, skip-link base/focus, focus outline, reduced-motion, body font', () => {
+    const out = exportPage(makePage())
+    const css = out.css
+
+    // :root primary color var
+    expect(css).toMatch(/:root\{\s*--primary:\s*#0ea5e9\s*;\s*\}/)
+
+    // body font family includes configured font first
+    expect(css).toMatch(/body\{[^}]*font-family:\s*Inter,\s*system-ui[\s\S]*\}/)
+
+    // skip-link base and focus tokens
+    expect(css).toMatch(/a\.skip-link\{[\s\S]*left:-9999px[\s\S]*\}/)
+    expect(css).toMatch(/a\.skip-link:focus\{[\s\S]*left:1rem[\s\S]*background:[^;]+;[\s\S]*\}/)
+
+    // focus-visible/outline tokens (any focusable)
+    expect(css).toMatch(/button:focus, a:focus, input:focus, select:focus, textarea:focus\{[\s\S]*outline:\s*3px solid\s*#2563eb[\s\S]*outline-offset:\s*2px[\s\S]*\}/)
+
+    // reduced-motion detailed rule
+    expect(css).toMatch(/@media \(prefers-reduced-motion: reduce\)\{\s*\*\{\s*transition:\s*none !important;\s*animation:\s*none !important\s*\}\s*\}/)
+  })
+})

lib/exporter/cta.edge-cases.test.ts

@@ -0,0 +1,32 @@
+import { describe, it, expect } from 'vitest'
+import { exportPage } from '@/lib/exporter/html'
+import { pageSchema, type Page } from '@/lib/schema/page'
+
+function makePage(overrides: Partial<Page> = {}): Page {
+  const base: Page = {
+    title: 'CTA Edge',
+    locale: 'en',
+    theme: { primaryColor: '#2563eb', fontFamily: 'Inter' },
+    sections: [
+      { type: 'cta', props: { text: '   ', href: '#' } },
+      { type: 'features', props: { items: ['One'] } },
+    ] as Page['sections'],
+    form: { actionUrl: '', fields: [], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
+    analytics: { ga4MeasurementId: '', metaPixelId: '', customHeadHtml: '' },
+    seo: { title: 't', description: 'd' },
+  }
+  return pageSchema.parse({ ...base, ...overrides })
+}
+
+describe('Exporter - CTA edge cases', () => {
+  it('drops CTA section when text is whitespace-only', () => {
+    const out = exportPage(makePage())
+    expect(out.html).not.toContain('<section class="cta"')
+    expect(out.html).not.toContain('<a class="btn-cta"')
+  })
+
+  it('renders CTA when text is valid after trimming', () => {
+    const out = exportPage(makePage({ sections: [ { type: 'cta', props: { text: '  Buy Now  ', href: '#' } } ] as Page['sections'] }))
+    expect(out.html).toContain('<a class="btn-cta" href="#">Buy Now</a>')
+  })
+})

lib/exporter/darkContrast.hover.tokens.test.ts

@@ -0,0 +1,30 @@
+import { describe, it, expect } from 'vitest'
+import { exportPage } from '@/lib/exporter/html'
+import { pageSchema, type Page } from '@/lib/schema/page'
+
+function makePage(): Page {
+  return pageSchema.parse({
+    title: 'Dark Contrast Hover',
+    locale: 'en',
+    theme: { primaryColor: '#2563eb', fontFamily: 'Inter' },
+    sections: [
+      { type: 'hero', props: { heading: 'Welcome', subheading: 'Sub', imageUrl: 'https://img.example/h.png' } },
+      { type: 'cta', props: { text: 'Call', href: '#' } },
+    ],
+    form: { actionUrl: '', fields: [], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
+    seo: { title: 't', description: 'd' },
+  })
+}
+
+describe('Exporter - dark mode hover/cta tokens', () => {
+  it('adds link hover underline and ensures btn-cta readable in dark', () => {
+    const out = exportPage(makePage())
+    const css = out.css
+
+    // underline on hover for links in dark for clearer affordance
+    expect(css).toMatch(/@media \(prefers-color-scheme: dark\)[\s\S]*a:hover\{[^}]*text-decoration:underline/i)
+
+    // btn-cta has readable foreground/background in dark
+    expect(css).toMatch(/@media \(prefers-color-scheme: dark\)[\s\S]*\.btn-cta\{[^}]*background:[^;]+;[^}]*color:#fff/i)
+  })
+})

lib/exporter/darkContrast.tokens.test.ts

@@ -0,0 +1,37 @@
+import { describe, it, expect } from 'vitest'
+import { exportPage } from '@/lib/exporter/html'
+import { pageSchema, type Page } from '@/lib/schema/page'
+
+function makePage(): Page {
+  return pageSchema.parse({
+    title: 'Dark Contrast',
+    locale: 'en',
+    theme: { primaryColor: '#2563eb', fontFamily: 'Inter' },
+    sections: [
+      { type: 'hero', props: { heading: 'Welcome', subheading: 'Sub', imageUrl: 'https://img.example/h.png' } },
+      { type: 'faq', props: { items: [{ q: 'Q', a: 'A' }] } },
+      { type: 'cta', props: { text: 'Go', href: '#' } },
+    ],
+    form: { actionUrl: '', fields: [], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
+    seo: { title: 't', description: 'd' },
+  })
+}
+
+describe('Exporter - dark mode contrast tokens', () => {
+  it('includes dark mode tokens that improve contrast for links/buttons/faq text', () => {
+    const out = exportPage(makePage())
+    const css = out.css
+
+    // dark mode block exists
+    expect(css).toMatch(/@media \(prefers-color-scheme: dark\)/)
+
+    // link color token in dark
+    expect(css).toMatch(/@media \(prefers-color-scheme: dark\)[\s\S]*a\{[^}]*color:#93c5fd/i)
+
+    // button keeps readable foreground/background in dark
+    expect(css).toMatch(/@media \(prefers-color-scheme: dark\)[\s\S]*button\{[^}]*background:[^;]+;[^}]*color:#fff/i)
+
+    // faq answer text brighter in dark
+    expect(css).toMatch(/@media \(prefers-color-scheme: dark\)[\s\S]*\.faq-a\{[^}]*color:#cbd5e1/i)
+  })
+})

lib/exporter/extras.overrides.test.ts

@@ -0,0 +1,45 @@
+import { describe, it, expect } from 'vitest'
+import { pageSchema, type Page } from '@/lib/schema/page'
+import { buildExtrasForPage } from '@/lib/exporter/extras'
+
+function makePage(): Page {
+  return pageSchema.parse({
+    title: 'Overrides',
+    locale: 'en',
+    theme: { primaryColor: '#2563eb', fontFamily: 'Inter' },
+    sections: [ { type: 'hero', props: { heading: 'Hello', subheading: 'World', imageUrl: 'https://img/h.png' } } ],
+    form: { actionUrl: '', fields: [], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
+    seo: { title: 't', description: 'd' },
+  })
+}
+
+describe('extras 오버라이드', () => {
+  it('robots.txt Disallow 오버라이드가 반영된다', () => {
+    const page = makePage()
+    const extras = buildExtrasForPage(page, { robotsText: 'User-agent: *\nDisallow: /admin\nDisallow: /private' })
+    const robots = Buffer.from(extras['robots.txt']).toString('utf8')
+    expect(robots).toContain('User-agent: *')
+    expect(robots).toContain('Disallow: /admin')
+    expect(robots).toContain('Disallow: /private')
+  })
+
+  it('manifest 필드 오버라이드(name/short_name/start_url/display/theme_color)가 반영된다', () => {
+    const page = makePage()
+    const extras = buildExtrasForPage(page, {
+      manifest: {
+        name: 'My App',
+        short_name: 'MyApp',
+        start_url: '/start',
+        display: 'minimal-ui',
+        theme_color: '#123abc',
+      },
+    })
+    const manifestStr = Buffer.from(extras['site.webmanifest']).toString('utf8')
+    const manifest = JSON.parse(manifestStr)
+    expect(manifest.name).toBe('My App')
+    expect(manifest.short_name).toBe('MyApp')
+    expect(manifest.start_url).toBe('/start')
+    expect(manifest.display).toBe('minimal-ui')
+    expect(manifest.theme_color).toBe('#123abc')
+  })
+})

lib/exporter/extras.ts

@@ -0,0 +1,64 @@
+import type { Page } from '@/lib/schema/page'
+
+export type ExtrasOverrides = {
+  robotsText?: string
+  manifest?: Partial<{
+    name: string
+    short_name: string
+    start_url: string
+    display: string
+    theme_color: string
+  }>
+}
+
+function toBytes(s: string): Uint8Array {
+  return new TextEncoder().encode(s)
+}
+
+function buildRobots(base?: string): string {
+  if (base && base.trim().length > 0) return base
+  return 'User-agent: *\n'
+}
+
+function deriveManifest(page: Page) {
+  const name = page.title || 'Landing'
+  const short_name = name.length > 12 ? name.slice(0, 12) : name
+  const start_url = '/'
+  const display = 'standalone'
+  const theme_color = page.theme?.primaryColor || '#0ea5e9'
+  return { name, short_name, start_url, display, theme_color }
+}
+
+export function buildExtrasForPage(page: Page, overrides?: ExtrasOverrides): Record<string, Uint8Array> {
+  const out: Record<string, Uint8Array> = {}
+
+  // robots.txt
+  const robotsText = buildRobots(overrides?.robotsText)
+  out['robots.txt'] = toBytes(robotsText)
+
+  // site.webmanifest
+  const manifestBase = deriveManifest(page)
+  const manifestMerged = { ...manifestBase, ...(overrides?.manifest || {}) }
+  const manifestJson = JSON.stringify(manifestMerged, null, 2)
+  out['site.webmanifest'] = toBytes(manifestJson)
+
+  // Google Sheets 템플릿: actionUrl 미지정 시 포함
+  const action = page.form?.actionUrl?.trim()
+  const hasAction = !!(action && action.length > 0)
+  if (!hasAction) {
+    const code = `/**
+ * Google Apps Script Web App for form submissions
+ * - Deploy as Web App and set URL as form action if needed.
+ */
+function doPost(e){
+  // TODO: handle submission to Google Sheets
+  return ContentService.createTextOutput('OK')
+}
+`
+    const readme = `Google Sheets Apps Script Template\n\n1) Apps Script에서 새 프로젝트를 만들고 아래 Code.gs를 붙여넣으세요.\n2) 배포 > 웹 앱으로 배포 후 URL을 복사해 사용하세요.`
+    out['sheets/Code.gs'] = toBytes(code)
+    out['sheets/README.txt'] = toBytes(readme)
+  }
+
+  return out
+}

lib/exporter/font.optimization.test.ts

@@ -0,0 +1,29 @@
+import { describe, it, expect } from 'vitest'
+import { exportPage } from '@/lib/exporter/html'
+import { pageSchema, type Page } from '@/lib/schema/page'
+
+function makePage(): Page {
+  return pageSchema.parse({
+    title: 'Font Opt',
+    locale: 'en',
+    theme: { primaryColor: '#2563eb', fontFamily: 'Inter' },
+    sections: [ { type: 'hero', props: { heading: 'Hello', subheading: 'World', imageUrl: 'https://img/h.png' } } ],
+    form: { actionUrl: '', fields: [], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
+    seo: { title: 't', description: 'd' },
+  })
+}
+
+describe('폰트 최적화', () => {
+  it('head에 Google Fonts preconnect 링크가 포함된다', () => {
+    const page = makePage()
+    const out = exportPage(page)
+    expect(out.html).toContain('<link rel="preconnect" href="https://fonts.googleapis.com"')
+    expect(out.html).toContain('<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin')
+  })
+
+  it('CSS에 system-ui 폴백이 포함된다', () => {
+    const page = makePage()
+    const out = exportPage(page)
+    expect(out.css).toMatch(/font-family:[^;]*system-ui/i)
+  })
+})

lib/exporter/formHelptext.a11y.test.ts

@@ -0,0 +1,75 @@
+import { describe, it, expect } from 'vitest'
+import { pageSchema, type Page } from '@/lib/schema/page'
+import { exportPage } from '@/lib/exporter/html'
+
+const makePage = (): Page =>
+  pageSchema.parse({
+    title: 'Form Help A11y',
+    locale: 'en',
+    theme: { primaryColor: '#0ea5e9', fontFamily: 'Inter' },
+    sections: [],
+    form: {
+      actionUrl: '',
+      fields: [
+        { type: 'text', name: 'name', label: 'Name', required: true, help: 'Your full name' },
+        { type: 'email', name: 'email', label: 'Email', required: true },
+        { type: 'select', name: 'plan', label: 'Plan', required: false, options: ['A','B'], help: 'Choose your plan' },
+        { type: 'radio', name: 'size', label: 'Size', required: false, options: ['S','M','L'], help: 'Pick one size' },
+        { type: 'checkbox', name: 'agree', label: 'Agree', required: true, help: 'You must agree to proceed' },
+        { type: 'textarea', name: 'msg', label: 'Message', required: false },
+      ],
+      spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 },
+    },
+    seo: { title: 'Form Help A11y', description: 'desc' },
+  })
+
+/**
+ * Requirements (a11y):
+ * - Each control has an id `field-<name>` and its label has htmlFor pointing to it.
+ * - If field.help exists:
+ *   - Render help element with id `field-<name>-help` containing help text.
+ *   - Control has `aria-describedby` referencing the help id.
+ * - For radio group, set aria-describedby on the fieldset instead of individual radios.
+ */
+
+describe('Exporter - form helptext and aria-describedby', () => {
+  it('renders id/htmlFor and help + aria-describedby wiring', () => {
+    const page = makePage()
+    const out = exportPage(page)
+    const html = out.html
+
+    // text with help
+    expect(html).toContain('id="field-name"')
+    expect(html).toContain('<label for="field-name">Name')
+    expect(html).toContain('id="field-name-help"')
+    expect(html).toContain('Your full name')
+    expect(html).toContain('aria-describedby="field-name-help"')
+
+    // email without help → no aria-describedby
+    expect(html).toContain('id="field-email"')
+    expect(html).toContain('<label for="field-email">Email')
+    expect(html).not.toContain('field-email-help')
+
+    // select with help
+    expect(html).toContain('id="field-plan"')
+    expect(html).toContain('<label for="field-plan">Plan')
+    expect(html).toContain('id="field-plan-help"')
+    expect(html).toContain('Choose your plan')
+
+    // radio group help → fieldset has aria-describedby
+    expect(html).toContain('<fieldset')
+    expect(html).toContain('aria-describedby="field-size-help"')
+    expect(html).toContain('id="field-size-help"')
+    expect(html).toContain('Pick one size')
+
+    // checkbox with help
+    expect(html).toContain('id="field-agree"')
+    expect(html).toContain('<label for="field-agree">')
+    expect(html).toContain('id="field-agree-help"')
+    expect(html).toContain('You must agree to proceed')
+
+    // textarea without help
+    expect(html).toContain('id="field-msg"')
+    expect(html).toContain('<label for="field-msg">Message')
+  })
+})

lib/exporter/formHelptext.matrix.test.ts

@@ -0,0 +1,66 @@
+import { describe, it, expect } from 'vitest'
+import { pageSchema, type Page } from '@/lib/schema/page'
+import { exportPage } from '@/lib/exporter/html'
+
+function makePage(fields: Page['form']['fields']): Page {
+  return pageSchema.parse({
+    title: 'Matrix',
+    locale: 'en',
+    theme: { primaryColor: '#0ea5e9', fontFamily: 'Inter' },
+    sections: [],
+    form: {
+      actionUrl: '',
+      fields,
+      spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 },
+    },
+    seo: { title: 'SEO', description: 'Desc' },
+  })
+}
+
+describe('Exporter - form helptext matrix (required/maxLength/pattern/help)', () => {
+  it('text: required + maxLength + help → has required, maxlength, help id and aria-describedby', () => {
+    const page = makePage([
+      { type: 'text', name: 'nick', label: 'Nickname', required: true, maxLength: 10, help: 'Public name' },
+    ])
+    const html = exportPage(page).html
+    expect(html).toContain('id="field-nick"')
+    expect(html).toMatch(/name="nick"[^"]*[^>]*required/)
+    expect(html).toMatch(/name="nick"[^"]*[^>]*maxlength="10"/)
+    expect(html).toContain('id="field-nick-help"')
+    expect(html).toContain('aria-describedby="field-nick-help"')
+  })
+
+  it('tel: pattern only, no help → has pattern, no aria-describedby', () => {
+    const page = makePage([
+      { type: 'tel', name: 'phone', label: 'Phone', required: false, pattern: '^\\+?[0-9\\- ]{7,}$' },
+    ])
+    const html = exportPage(page).html
+    expect(html).toMatch(/name="phone"[^"]*[^>]*pattern="\^\\\+\?\[0-9\\\- \]\{7,\}\$"/)
+    expect(html).not.toContain('field-phone-help')
+    // ensure no false aria-describedby
+    expect(html).not.toMatch(/name="phone"[^"]*[^>]*aria-describedby=/)
+  })
+
+  it('select: help present → select has aria-describedby and help element exists', () => {
+    const page = makePage([
+      { type: 'select', name: 'plan', label: 'Plan', required: false, options: ['Free','Pro'], help: 'Choose one' },
+    ])
+    const html = exportPage(page).html
+    expect(html).toContain('id="field-plan"')
+    expect(html).toContain('aria-describedby="field-plan-help"')
+    expect(html).toContain('id="field-plan-help"')
+  })
+
+  it('radio: help present → fieldset has aria-describedby; radios do not individually', () => {
+    const page = makePage([
+      { type: 'radio', name: 'size', label: 'Size', required: false, options: ['S','M'], help: 'Pick one' },
+    ])
+    const html = exportPage(page).html
+    // fieldset wiring
+    expect(html).toContain('<fieldset')
+    expect(html).toContain('aria-describedby="field-size-help"')
+    expect(html).toContain('id="field-size-help"')
+    // radios present
+    expect(html).toContain('type="radio"')
+  })
+})

lib/exporter/formHelptext.snapshot.test.ts

@@ -0,0 +1,67 @@
+import { describe, it, expect } from 'vitest'
+import { pageSchema, type Page } from '@/lib/schema/page'
+import { exportPage } from '@/lib/exporter/html'
+
+const makePage = (): Page =>
+  pageSchema.parse({
+    title: 'Form Help Snapshot',
+    locale: 'en',
+    theme: { primaryColor: '#0ea5e9', fontFamily: 'Inter' },
+    sections: [],
+    form: {
+      actionUrl: '',
+      fields: [
+        { type: 'text', name: 'name', label: 'Name', required: true, help: 'Your full name' },
+        { type: 'email', name: 'email', label: 'Email', required: true },
+        { type: 'radio', name: 'size', label: 'Size', options: ['S','M'], help: 'Pick one size' },
+        { type: 'select', name: 'plan', label: 'Plan', options: ['Free','Pro'], help: 'Choose plan' },
+        { type: 'checkbox', name: 'agree', label: 'Agree', required: true, help: 'Must agree' },
+      ],
+      spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 },
+    },
+    seo: { title: 'SEO', description: 'Desc' },
+  })
+
+function extractForm(html: string): string {
+  const m = html.match(/<form[\s\S]*?<\/form>/)
+  return m ? m[0]
+    // normalize whitespace for snapshot stability
+    .replace(/\s+\n/g, '\n')
+    .replace(/\n\s+/g, '\n')
+    .trim()
+    : ''
+}
+
+describe('Exporter - form helptext snapshot', () => {
+  it('contains stable wiring for ids/labels/help/aria', () => {
+    const out = exportPage(makePage())
+    const form = extractForm(out.html)
+
+    // name with help
+    expect(form).toContain('id="field-name"')
+    expect(form).toContain('<label for="field-name">Name')
+    expect(form).toContain('id="field-name-help"')
+    expect(form).toContain('aria-describedby="field-name-help"')
+
+    // email present (no help)
+    expect(form).toContain('id="field-email"')
+    expect(form).toContain('<label for="field-email">Email')
+    expect(form).not.toContain('field-email-help')
+
+    // radio group help on fieldset
+    expect(form).toContain('<fieldset')
+    expect(form).toContain('aria-describedby="field-size-help"')
+    expect(form).toContain('id="field-size-help"')
+    expect(form).toContain('type="radio"')
+
+    // select with help
+    expect(form).toContain('id="field-plan"')
+    expect(form).toContain('aria-describedby="field-plan-help"')
+    expect(form).toContain('id="field-plan-help"')
+
+    // checkbox with help
+    expect(form).toContain('id="field-agree"')
+    expect(form).toContain('aria-describedby="field-agree-help"')
+    expect(form).toContain('id="field-agree-help"')
+  })
+})

lib/exporter/formRender.test.ts

@@ -37,7 +37,8 @@ describe('Exporter - form rendering', () => {
     // select/radio 옵션 존재
     expect(out.html).toContain('<select')
     expect(out.html).toContain('<option value="A">A</option>')
-    expect(out.html).toContain('<input type="radio"')
+    // 라디오 인풋은 id 속성이 먼저 오므로 type만으로 확인
+    expect(out.html).toContain('type="radio"')
 
     // checkbox/textarea
     expect(out.html).toContain('type="checkbox"')

lib/exporter/formTokens.regression.test.ts

@@ -0,0 +1,60 @@
+import { describe, test, expect } from 'vitest'
+import { pageSchema, type Page } from '@/lib/schema/page'
+import { exportPage } from '@/lib/exporter/html'
+
+const makePage = (): Page =>
+  pageSchema.parse({
+    title: 'Form Tokens Regression',
+    locale: 'en',
+    theme: { primaryColor: '#0ea5e9', fontFamily: 'Inter' },
+    sections: [],
+    form: {
+      actionUrl: '',
+      fields: [
+        { type: 'text', name: 'fullName', label: 'Full Name', required: true, maxLength: 50 },
+        { type: 'email', name: 'email', label: 'Email', required: true },
+        { type: 'tel', name: 'phone', label: 'Phone', pattern: '^\\+?[0-9\\- ]{7,}$' },
+        { type: 'radio', name: 'size', label: 'Size', options: ['S','M','L'] },
+        { type: 'select', name: 'plan', label: 'Plan', options: ['Free','Pro'] },
+        { type: 'checkbox', name: 'agree', label: 'Agree to terms', required: true },
+        { type: 'textarea', name: 'message', label: 'Message' },
+      ],
+      spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 },
+    },
+    seo: { title: 'SEO', description: 'Desc' },
+    analytics: { ga4MeasurementId: '', metaPixelId: '', customHeadHtml: '' },
+  })
+
+describe('Exporter - form tokens regression', () => {
+  test('renders inputs with required/pattern/maxLength and spam-protection markers', () => {
+    const { html, js } = exportPage(makePage())
+
+    // required + maxlength on text
+    expect(html).toMatch(/name="fullName"[^"]*[^>]*required/)
+    expect(html).toMatch(/name="fullName"[^"]*[^>]*maxlength="50"/)
+
+    // email required
+    expect(html).toMatch(/name="email"[^"]*[^>]*required/)
+
+    // tel pattern
+    expect(html).toMatch(/name="phone"[^"]*[^>]*pattern="\^\\\+\?\[0-9\\\- \]\{7,\}\$"/)
+
+    // radio/select options present
+  // 라디오 인풋은 id 속성이 먼저 오므로 type만으로 확인
+    expect(html).toContain('type="radio"')
+    expect(html).toContain('<select')
+    expect(html).toContain('<option value="Free">Free</option>')
+
+    // checkbox/textarea
+    expect(html).toContain('type="checkbox"')
+    expect(html).toContain('<textarea')
+
+    // spam-protection hidden inputs
+    expect(html).toContain('type="hidden"')
+    expect(html).toContain('name="_hp"')
+    expect(html).toContain('name="_ts"')
+
+    // js fills timestamp
+    expect(js).toMatch(/querySelector\('input\[name="_ts"\]'\)/)
+  })
+})

lib/exporter/hero.edge-cases.test.ts

@@ -0,0 +1,31 @@
+import { describe, it, expect } from 'vitest'
+import { exportPage } from '@/lib/exporter/html'
+import { pageSchema, type Page } from '@/lib/schema/page'
+
+function makePage(overrides: Partial<Page> = {}): Page {
+  const base: Page = {
+    title: 'Hero Edge',
+    locale: 'en',
+    theme: { primaryColor: '#2563eb', fontFamily: 'Inter' },
+    sections: [
+      { type: 'hero', props: { heading: 'Welcome', subheading: '   ', imageUrl: 'https://img.example/h.png' } },
+    ] as Page['sections'],
+    form: { actionUrl: '', fields: [], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
+    analytics: { ga4MeasurementId: '', metaPixelId: '', customHeadHtml: '' },
+    seo: { title: 't', description: 'd' },
+  }
+  return pageSchema.parse({ ...base, ...overrides })
+}
+
+describe('Exporter - hero edge cases', () => {
+  it('omits subheading when whitespace-only', () => {
+    const out = exportPage(makePage())
+    expect(out.html).toContain('<h1 id="hero-heading">Welcome</h1>')
+    expect(out.html).not.toMatch(/<div class="text">[\s\S]*<p>\s*<\/p>/)
+  })
+
+  it('trims subheading content', () => {
+    const out = exportPage(makePage({ sections: [ { type: 'hero', props: { heading: 'Welcome', subheading: '  Hello world  ', imageUrl: 'https://img.example/h.png' } } ] as Page['sections'] }))
+    expect(out.html).toContain('<p>Hello world</p>')
+  })
+})

lib/exporter/html.ts

@@ -5,7 +5,12 @@ export type Exported = { html: string; css: string; js: string }
 export type ExportOptions = { assetManager?: AssetManager }
 
 function renderFaq(section: { props: { items: Array<{ q: string; a: string }> } }) {
-  const items: Array<{ q: string; a: string }> = Array.isArray(section.props.items) ? section.props.items : []
+  const itemsRaw: Array<{ q: string; a: string }> = Array.isArray(section.props.items) ? section.props.items : []
+  const isBlank = (s: string | undefined | null) => !s || s.trim().length === 0
+  const items = itemsRaw
+    .map((it) => ({ q: (it.q || '').trim(), a: (it.a || '').trim() }))
+    // drop when both question and answer are blank
+    .filter((it) => !(isBlank(it.q) && isBlank(it.a)))
   return `
     <section class="faq" aria-labelledby="faq-heading">
       <div class="container">
@@ -27,7 +32,9 @@ function renderFaq(section: { props: { items: Array<{ q: string; a: string }> }
 }
 
 function renderFeatures(section: { props: { items: string[] } }) {
-  const items: string[] = Array.isArray(section.props?.items) ? section.props.items : []
+  const items: string[] = (Array.isArray(section.props?.items) ? section.props.items : [])
+    .map((s) => String(s ?? '').trim())
+    .filter((s) => s.length > 0)
   return `
     <section class="features" aria-labelledby="features-heading">
       <div class="container">
@@ -40,10 +47,29 @@ function renderFeatures(section: { props: { items: string[] } }) {
   `
 }
 
+function renderBenefits(section: { props: { items: string[] } }) {
+  const items: string[] = (Array.isArray(section.props?.items) ? section.props.items : [])
+    .map((s) => String(s ?? '').trim())
+    .filter((s) => s.length > 0)
+  return `
+    <section class="benefits" aria-labelledby="benefits-heading">
+      <div class="container">
+        <h2 id="benefits-heading">Benefits</h2>
+        <ul class="benefits-list">
+          ${items.map((it) => `<li class="benefit-item">${escapeHtml(String(it))}</li>`).join('')}
+        </ul>
+      </div>
+    </section>
+  `
+}
+
 function renderTestimonials(section: { props: { items: Array<{ author: string; quote: string }> } }) {
-  const items: Array<{ author: string; quote: string }> = Array.isArray(section.props?.items)
+  const items: Array<{ author: string; quote: string }> = (Array.isArray(section.props?.items)
     ? section.props.items
-    : []
+    : [])
+    .map((it) => ({ author: (it.author || '').trim(), quote: (it.quote || '').trim() }))
+    // drop when both are blank
+    .filter((it) => !(it.author.length === 0 && it.quote.length === 0))
   return `
     <section class="testimonials" aria-labelledby="testimonials-heading">
       <div class="container">
@@ -52,8 +78,8 @@ function renderTestimonials(section: { props: { items: Array<{ author: string; q
           .map(
             (it) => `
           <figure class="testimonial">
-            <blockquote>“${escapeHtml(it.quote || '')}”</blockquote>
-            <figcaption>— ${escapeHtml(it.author || '')}</figcaption>
+            <blockquote>“${escapeHtml(it.quote)}”</blockquote>
+            ${it.author.length > 0 ? `<figcaption>— ${escapeHtml(it.author)}</figcaption>` : ''}
           </figure>`
           )
           .join('')}
@@ -63,7 +89,9 @@ function renderTestimonials(section: { props: { items: Array<{ author: string; q
 }
 
 function renderCta(section: { props: { text: string; href?: string } }) {
-  const { text, href } = section.props
+  const href = section.props.href
+  const text = (section.props.text || '').trim()
+  if (text.length === 0) return ''
   return `
     <section class="cta" aria-labelledby="cta-heading">
       <div class="container">
@@ -82,7 +110,9 @@ const escapeHtml = (s: string) =>
     .replaceAll('"', '&quot;')
 
 function renderHero(section: { props: { heading: string; subheading?: string; imageUrl: string } }, opts?: ExportOptions) {
-  const { heading, subheading } = section.props
+  const { heading } = section.props
+  const subheadingRaw = section.props.subheading
+  const subheading = subheadingRaw ? subheadingRaw.trim() : ''
   const am = opts?.assetManager
   const imageUrlRaw: string = section.props.imageUrl
   const imageUrl = am ? am.rewriteUrl(imageUrlRaw) : imageUrlRaw
@@ -91,10 +121,10 @@ function renderHero(section: { props: { heading: string; subheading?: string; im
       <div class="container">
         <div class="text">
           <h1 id="hero-heading">${escapeHtml(heading)}</h1>
-          ${subheading ? `<p>${escapeHtml(subheading)}</p>` : ''}
+          ${subheading.length > 0 ? `<p>${escapeHtml(subheading)}</p>` : ''}
         </div>
         <div class="media">
-          <img src="${escapeHtml(imageUrl)}" alt="${escapeHtml(heading)}" />
+          <img src="${escapeHtml(imageUrl)}" alt="${escapeHtml(heading)}" loading="lazy" decoding="async" width="1200" height="675" />
         </div>
       </div>
     </section>
@@ -102,45 +132,74 @@ function renderHero(section: { props: { heading: string; subheading?: string; im
 }
 
 function renderField(field: FormField) {
+  const id = `field-${escapeHtml(field.name)}`
+  const helpId = `field-${escapeHtml(field.name)}-help`
+  const hasHelp = !!field.help
+  const helpHtml = hasHelp ? `<div id="${helpId}" class="form-help">${escapeHtml(field.help!)}</div>` : ''
+
   const pat = 'pattern' in field && field.pattern ? ` pattern="${escapeHtml(field.pattern)}"` : ''
   const max = 'maxLength' in field && field.maxLength ? ` maxlength="${field.maxLength}"` : ''
-  const common = `name="${escapeHtml(field.name)}" aria-label="${escapeHtml(field.label)}" ${field.required ? 'required' : ''}${pat}${max}`
+  const describedBy = hasHelp ? ` aria-describedby="${helpId}"` : ''
+  const common = `id="${id}" name="${escapeHtml(field.name)}" aria-label="${escapeHtml(field.label)}" ${field.required ? 'required' : ''}${pat}${max}${describedBy}`
+
   switch (field.type) {
     case 'text':
     case 'email':
     case 'tel':
     case 'date':
-      return `<label>${escapeHtml(field.label)}<input type="${field.type}" ${common} /></label>`
+      return `
+        <div class="form-control">
+          <label for="${id}">${escapeHtml(field.label)}</label>
+          <input type="${field.type}" ${common} />
+          ${helpHtml}
+        </div>
+      `
     case 'textarea':
-      return `<label>${escapeHtml(field.label)}<textarea ${common}></textarea></label>`
+      return `
+        <div class="form-control">
+          <label for="${id}">${escapeHtml(field.label)}</label>
+          <textarea ${common}></textarea>
+          ${helpHtml}
+        </div>
+      `
     case 'checkbox':
-      return `<label><input type="checkbox" ${common} />${escapeHtml(field.label)}</label>`
+      return `
+        <div class="form-control">
+          <label for="${id}">${escapeHtml(field.label)}</label>
+          <input type="checkbox" ${common} />
+          ${helpHtml}
+        </div>
+      `
     case 'radio': {
       const { options } = field as Extract<FormField, { type: 'radio' }>
+      const fsDescribed = hasHelp ? ` aria-describedby="${helpId}"` : ''
       return `
-        <fieldset>
+        <fieldset${fsDescribed}>
           <legend>${escapeHtml(field.label)}</legend>
           ${options
             .map(
-              (opt: string) =>
-                `<label><input type="radio" ${common} value="${escapeHtml(
-                  opt
-                )}" />${escapeHtml(opt)}</label>`
+              (opt: string, i: number) => {
+                const optId = `${id}-opt-${i}`
+                return `<div><input id="${optId}" type="radio" name="${escapeHtml(field.name)}" aria-label="${escapeHtml(field.label)}" value="${escapeHtml(opt)}" ${field.required ? 'required' : ''}${pat}${max} /><label for="${optId}">${escapeHtml(opt)}</label></div>`
+              }
             )
             .join('')}
+          ${helpHtml}
         </fieldset>
       `
     }
     case 'select': {
       const { options } = field as Extract<FormField, { type: 'select' }>
       return `
-        <label>${escapeHtml(field.label)}
+        <div class="form-control">
+          <label for="${id}">${escapeHtml(field.label)}</label>
           <select ${common}>
             ${options
               .map((opt: string) => `<option value="${escapeHtml(opt)}">${escapeHtml(opt)}</option>`)
               .join('')}
           </select>
-        </label>
+          ${helpHtml}
+        </div>
       `
     }
     default:
@@ -194,6 +253,10 @@ function buildHead(page: Page) {
   return `
     <meta charset="utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <link rel="canonical" href="/" />
+    <link rel="preconnect" href="https://fonts.googleapis.com" />
+    <link rel="manifest" href="/site.webmanifest" />
+    <meta name="theme-color" content="${escapeHtml(page.theme.primaryColor)}" />
     <title>${escapeHtml(page.seo.title)}</title>
     <meta name="description" content="${escapeHtml(page.seo.description)}" />
     <meta property="og:title" content="${escapeHtml(page.seo.title)}" />
@@ -218,17 +281,20 @@ function buildCss(page: Page) {
   button:focus, a:focus, input:focus, select:focus, textarea:focus{ outline: 3px solid #2563eb; outline-offset:2px }
   .faq-list{ list-style:none; padding:0; margin:0 }
   .faq-item{ margin: .75rem 0 }
-  .faq-q{ font-size: 1rem; font-weight:600; }
-  .faq-a{ color:#334155 }
+  .faq-q{ font-size: 1rem; font-weight:600; overflow-wrap:anywhere }
+  .faq-a{ color:#334155; overflow-wrap:anywhere }
   .btn-cta{ background: var(--primary); color:#fff; padding:.75rem 1rem; border-radius:.5rem; display:inline-block; text-decoration:none }
   .features{ background:#f8fafc }
   .features-list{ list-style:none; padding:0; margin:0; display:grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: .75rem }
-  .feature-item{ background:#fff; border:1px solid #e2e8f0; border-radius:.5rem; padding:.75rem }
+  .feature-item{ background:#fff; border:1px solid #e2e8f0; border-radius:.5rem; padding:.75rem; overflow-wrap:anywhere }
+  .benefits-list{ list-style:none; padding:0; margin:0 }
+  .benefit-item{ overflow-wrap:anywhere }
   .testimonials{ background:#ffffff }
   .testimonial{ border-left:4px solid var(--primary); padding:.5rem 1rem; margin: .75rem 0; background:#fefefe }
-  .testimonial blockquote{ margin:0; font-style:italic; color:#1f2937 }
+  .testimonial blockquote{ margin:0; font-style:italic; color:#1f2937; overflow-wrap:anywhere }
   .testimonial figcaption{ color:#475569; margin-top:.25rem }
   @media (max-width: 640px){ .container{ padding: 1rem } h1{ font-size: 1.5rem } }
+  @media (prefers-color-scheme: dark){ body{ color:#e5e7eb; background:#0b1020 } .feature-item{ background:#0f172a; border-color:#1f2937 } a{ color:#93c5fd } a:hover{ text-decoration:underline } button{ background: var(--primary); color:#fff } .btn-cta{ background: var(--primary); color:#fff } .faq-a{ color:#cbd5e1 } }
   @media (prefers-reduced-motion: reduce){ *{ transition: none !important; animation: none !important } }
   `
 }
@@ -239,6 +305,17 @@ function buildJs() {
   (function(){
     var ts = document.querySelector('input[name="_ts"]');
     if(ts){ ts.value = String(Date.now()); }
+    // Ensure skip-link moves focus into main for a11y
+    var skip = document.querySelector('a.skip-link');
+    var main = document.getElementById('main');
+    if (skip && main) {
+      skip.addEventListener('click', function(){
+        if (!main.hasAttribute('tabindex')) {
+          main.setAttribute('tabindex', '-1');
+        }
+        main.focus();
+      });
+    }
   })();
   `
 }
@@ -250,6 +327,7 @@ export function exportPage(page: Page, opts?: ExportOptions): Exported {
       if (s.type === 'faq') return renderFaq(s)
       if (s.type === 'cta') return renderCta(s)
       if (s.type === 'features') return renderFeatures(s)
+      if (s.type === 'benefits') return renderBenefits(s)
       if (s.type === 'testimonials') return renderTestimonials(s)
       return ''
     })
@@ -261,6 +339,7 @@ export function exportPage(page: Page, opts?: ExportOptions): Exported {
 <html lang="${escapeHtml(page.locale)}">
 <head>
 ${buildHead(page)}
+<link rel="preconnect" href="https://fonts.googleapis.com">
 <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
 </head>
 <body>

lib/exporter/manifest.link.tokens.test.ts

@@ -0,0 +1,21 @@
+import { describe, it, expect } from 'vitest'
+import { exportPage } from '@/lib/exporter/html'
+import { pageSchema, type Page } from '@/lib/schema/page'
+
+function makePage(): Page {
+  return pageSchema.parse({
+    title: 'Head Links',
+    locale: 'en',
+    theme: { primaryColor: '#2563eb', fontFamily: 'Inter' },
+    sections: [],
+    form: { actionUrl: '', fields: [], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
+    seo: { title: 't', description: 'd' },
+  })
+}
+
+describe('Exporter - head 링크 토큰', () => {
+  it('site.webmanifest 링크를 포함한다', () => {
+    const out = exportPage(makePage())
+    expect(out.html).toMatch(/<link rel="manifest" href="\/site\.webmanifest"\s*\/>/)
+  })
+})

lib/exporter/manifest.robots.auto.test.ts

@@ -0,0 +1,32 @@
+import { describe, it, expect } from 'vitest'
+import { pageSchema, type Page } from '@/lib/schema/page'
+import { buildExtrasForPage } from '@/lib/exporter/extras'
+
+function makePage(): Page {
+  return pageSchema.parse({
+    title: 'Auto Extras',
+    locale: 'en',
+    theme: { primaryColor: '#2563eb', fontFamily: 'Inter' },
+    sections: [ { type: 'hero', props: { heading: 'Hello', subheading: 'World', imageUrl: 'https://img/h.png' } } ],
+    form: { actionUrl: '', fields: [], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
+    seo: { title: 't', description: 'd' },
+  })
+}
+
+describe('extras 자동 생성', () => {
+  it('robots.txt와 site.webmanifest가 extras에 포함된다', () => {
+    const page = makePage()
+    const extras = buildExtrasForPage(page)
+    const keys = Object.keys(extras)
+    expect(keys).toContain('robots.txt')
+    expect(keys).toContain('site.webmanifest')
+
+    const robots = Buffer.from(extras['robots.txt']).toString('utf8')
+    expect(robots).toContain('User-agent: *')
+
+    const manifestStr = Buffer.from(extras['site.webmanifest']).toString('utf8')
+    const manifest = JSON.parse(manifestStr)
+    expect(manifest.start_url).toBeDefined()
+    expect(manifest.display).toBeDefined()
+  })
+})

lib/exporter/sectionA11y.template.test.ts

@@ -0,0 +1,28 @@
+import { describe, it } from 'vitest'
+import { pageSchema, type Page } from '@/lib/schema/page'
+import { exportPage } from '@/lib/exporter/html'
+import { assertSectionA11y } from '@/lib/exporter/testUtils/sectionA11y'
+
+function makeFullPage(): Page {
+  return pageSchema.parse({
+    title: 'A11y Template',
+    locale: 'en',
+    theme: { primaryColor: '#0ea5e9', fontFamily: 'Inter' },
+    sections: [
+      { type: 'hero', props: { heading: 'Welcome', subheading: '', imageUrl: 'https://via.placeholder.com/800x400' } },
+      { type: 'features', props: { items: ['A','B','C'] } },
+      { type: 'testimonials', props: { items: [{ author: 'Jane', quote: 'Great!' }] } },
+      { type: 'faq', props: { items: [{ q: 'Q1', a: 'A1' }] } },
+      { type: 'cta', props: { text: 'Get Started', href: '#' } },
+    ],
+    form: { actionUrl: '', fields: [], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
+    seo: { title: 'SEO', description: 'Desc' },
+  })
+}
+
+describe('Exporter - section a11y template', () => {
+  it('validates basic a11y landmarks, headings and tokens', () => {
+    const out = exportPage(makeFullPage())
+    assertSectionA11y(out.html)
+  })
+})

lib/exporter/sections.benefits.test.ts

@@ -0,0 +1,28 @@
+import { describe, it, expect } from 'vitest'
+import { pageSchema, type Page } from '@/lib/schema/page'
+import { exportPage } from '@/lib/exporter/html'
+
+const makePage = (): Page =>
+  pageSchema.parse({
+    title: 'Benefits Test',
+    locale: 'en',
+    theme: { primaryColor: '#0ea5e9', fontFamily: 'Inter' },
+    sections: [
+      { type: 'benefits', props: { items: ['Fast setup', 'No code', 'Accessible by default'] } },
+    ],
+    form: { actionUrl: '', fields: [], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
+    seo: { title: 'SEO', description: 'Desc' },
+  })
+
+describe('Exporter - benefits section', () => {
+  it('renders benefits as a section with h2 and aria-labelledby + list items', () => {
+    const out = exportPage(makePage())
+    const html = out.html
+    expect(html).toContain('<section class="benefits" aria-labelledby="benefits-heading">')
+    expect(html).toContain('<h2 id="benefits-heading">Benefits</h2>')
+    expect(html).toContain('<ul class="benefits-list">')
+    expect(html).toContain('<li class="benefit-item">Fast setup</li>')
+    expect(html).toContain('<li class="benefit-item">No code</li>')
+    expect(html).toContain('<li class="benefit-item">Accessible by default</li>')
+  })
+})

lib/exporter/sections.edge-cases.test.ts

@@ -0,0 +1,57 @@
+import { describe, it, expect } from 'vitest'
+import { exportPage } from '@/lib/exporter/html'
+import { pageSchema, type Page } from '@/lib/schema/page'
+
+function makePage(overrides: Partial<Page> = {}): Page {
+  const base: Page = {
+    title: 'Edge',
+    locale: 'en',
+    theme: { primaryColor: '#2563eb', fontFamily: 'Inter' },
+    sections: [
+      { type: 'features', props: { items: ['One', '   ', '   ', 'Two'] } },
+      { type: 'benefits', props: { items: ['A', '   ', '   ', 'B'] } },
+      { type: 'faq', props: { items: [
+        { q: '  ', a: '   ' },
+        { q: 'Valid Q', a: '   ' },
+        { q: 'Another', a: 'Answer' },
+      ] } },
+      { type: 'testimonials', props: { items: [
+        { author: '  ', quote: '   ' },
+        { author: 'Jane', quote: '  Great product   ' },
+      ] } },
+    ] as Page['sections'],
+    form: { actionUrl: '', fields: [], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
+    analytics: { ga4MeasurementId: '', metaPixelId: '', customHeadHtml: '' },
+    seo: { title: 't', description: 'd' },
+  }
+  return pageSchema.parse({ ...base, ...overrides })
+}
+
+describe('Exporter - sections edge cases', () => {
+  it('filters out whitespace-only items and keeps valid ones', () => {
+    const out = exportPage(makePage())
+    const html = out.html
+
+    // features: only One, Two
+    expect(html).toContain('<li class="feature-item">One</li>')
+    expect(html).toContain('<li class="feature-item">Two</li>')
+    expect(html).not.toMatch(/<li class="feature-item"><\/li>/)
+
+    // benefits: only A, B
+    expect(html).toContain('<li class="benefit-item">A</li>')
+    expect(html).toContain('<li class="benefit-item">B</li>')
+
+    // faq: drop fully empty, keep items even if answer empty when question is valid
+    expect(html).toContain('<h3 class="faq-q">Valid Q</h3>')
+    // testimonials: drop fully empty, keep trimmed quote
+    expect(html).toContain('<blockquote>“Great product”</blockquote>')
+  })
+
+  it('adds word-break tokens to avoid overflow for long words', () => {
+    const out = exportPage(makePage())
+    const css = out.css
+    expect(css).toMatch(/\.feature-item\{[\s\S]*(?:word-break:break-word|overflow-wrap:anywhere)/i)
+    expect(css).toMatch(/\.benefit-item\{[\s\S]*(?:word-break:break-word|overflow-wrap:anywhere)/i)
+    expect(css).toMatch(/\.testimonial blockquote\{[\s\S]*(?:word-break:break-word|overflow-wrap:anywhere)/i)
+  })
+})

lib/exporter/sections.edge-phase3.test.ts

@@ -0,0 +1,40 @@
+import { describe, it, expect } from 'vitest'
+import { exportPage } from '@/lib/exporter/html'
+import { pageSchema, type Page } from '@/lib/schema/page'
+
+function makePage(overrides: Partial<Page> = {}): Page {
+  const base: Page = {
+    title: 'Edge P3',
+    locale: 'en',
+    theme: { primaryColor: '#2563eb', fontFamily: 'Inter' },
+    sections: [
+      { type: 'faq', props: { items: [ { q: 'VeryVeryVeryVeryVeryLongWordWithoutSpaces', a: 'AnotherSuperLongUnbreakableWord' } ] } },
+      { type: 'testimonials', props: { items: [
+        { author: '   ', quote: 'Great!' },
+        { author: 'Alice', quote: 'Nice' },
+      ] } },
+    ] as Page['sections'],
+    form: { actionUrl: '', fields: [], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
+    analytics: { ga4MeasurementId: '', metaPixelId: '', customHeadHtml: '' },
+    seo: { title: 't', description: 'd' },
+  }
+  return pageSchema.parse({ ...base, ...overrides })
+}
+
+describe('Exporter - phase3 edge cases', () => {
+  it('omits testimonial author line when author is blank', () => {
+    const out = exportPage(makePage())
+    const html = out.html
+    // First item author blank -> no figcaption for that blockquote
+    expect(html).toMatch(/<blockquote>“Great!\”<\/blockquote>[\s\S]*?<\/figure>/)
+    // Ensure the next item with author renders figcaption
+    expect(html).toMatch(/<figcaption>— Alice<\/figcaption>/)
+  })
+
+  it('adds word-break/overflow-wrap for FAQ q/a to avoid overflow', () => {
+    const out = exportPage(makePage())
+    const css = out.css
+    expect(css).toMatch(/\.faq-q\{[\s\S]*(?:overflow-wrap:anywhere|word-break:break-word)/i)
+    expect(css).toMatch(/\.faq-a\{[\s\S]*(?:overflow-wrap:anywhere|word-break:break-word)/i)
+  })
+})

lib/exporter/sections.escape.regression.test.ts

@@ -0,0 +1,33 @@
+import { describe, it, expect } from 'vitest'
+import { exportPage } from '@/lib/exporter/html'
+import { pageSchema, type Page } from '@/lib/schema/page'
+
+function makePage(): Page {
+  return pageSchema.parse({
+    title: 'Escape Regression',
+    locale: 'en',
+    theme: { primaryColor: '#0ea5e9', fontFamily: 'Inter' },
+    sections: [
+      { type: 'features', props: { items: ['F<&>"', 'Safe'] } },
+      { type: 'faq', props: { items: [{ q: 'Q<&>"', a: 'A<&>"' }] } },
+    ],
+    form: { actionUrl: '', fields: [], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
+    seo: { title: 'SEO', description: 'Desc' },
+  })
+}
+
+describe('Exporter - HTML escape regression (Features/FAQ)', () => {
+  it('escapes HTML special characters in features items', () => {
+    const out = exportPage(makePage())
+    const html = out.html
+    // feature item should contain escaped characters &lt; &amp; &gt; &quot;
+    expect(html).toContain('<li class="feature-item">F&lt;&amp;&gt;&quot;</li>')
+  })
+
+  it('escapes HTML special characters in faq q/a', () => {
+    const out = exportPage(makePage())
+    const html = out.html
+    expect(html).toContain('<h3 class="faq-q">Q&lt;&amp;&gt;&quot;</h3>')
+    expect(html).toContain('<p class="faq-a">A&lt;&amp;&gt;&quot;</p>')
+  })
+})

lib/exporter/sections.regression.benefits.test.ts

@@ -0,0 +1,55 @@
+import { describe, it, expect } from 'vitest'
+import { pageSchema, type Page } from '@/lib/schema/page'
+import { exportPage } from '@/lib/exporter/html'
+
+function makePage(): Page {
+  return pageSchema.parse({
+    title: 'Sections Regression',
+    locale: 'en',
+    theme: { primaryColor: '#0ea5e9', fontFamily: 'Inter' },
+    sections: [
+      { type: 'hero', props: { heading: 'Welcome', subheading: '', imageUrl: 'https://via.placeholder.com/800x400' } },
+      { type: 'features', props: { items: ['F1','F2'] } },
+      { type: 'benefits', props: { items: ['B1','B2','B3'] } },
+      { type: 'testimonials', props: { items: [{ author: 'Ada', quote: 'Great' }] } },
+      { type: 'faq', props: { items: [{ q: 'Q1', a: 'A1' }] } },
+      { type: 'cta', props: { text: 'Start', href: '#' } },
+    ],
+    form: { actionUrl: '', fields: [], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
+    seo: { title: 'SEO', description: 'Desc' },
+  })
+}
+
+describe('Exporter - sections regression (includes benefits)', () => {
+  it('renders sections with correct ARIA/heading/list structures', () => {
+    const out = exportPage(makePage())
+    const html = out.html
+
+    // hero h1
+    expect(html).toMatch(/<section class="hero" aria-labelledby="hero-heading">/)
+    expect(html).toMatch(/<h1 id="hero-heading">Welcome<\/h1>/)
+
+    // features
+    expect(html).toMatch(/<section class="features" aria-labelledby="features-heading">/)
+    expect(html).toMatch(/<h2 id="features-heading">Features<\/h2>/)
+    expect(html).toMatch(/<ul class="features-list">[\s\S]*<li class="feature-item">F1<\/li>[\s\S]*<li class="feature-item">F2<\/li>[\s\S]*<\/ul>/)
+
+    // benefits
+    expect(html).toMatch(/<section class="benefits" aria-labelledby="benefits-heading">/)
+    expect(html).toMatch(/<h2 id="benefits-heading">Benefits<\/h2>/)
+    expect(html).toMatch(/<ul class="benefits-list">[\s\S]*<li class="benefit-item">B1<\/li>[\s\S]*<li class="benefit-item">B2<\/li>[\s\S]*<li class="benefit-item">B3<\/li>[\s\S]*<\/ul>/)
+
+    // testimonials
+    expect(html).toMatch(/<section class="testimonials" aria-labelledby="testimonials-heading">/)
+    expect(html).toMatch(/<h2 id="testimonials-heading">Testimonials<\/h2>/)
+
+    // faq with h3
+    expect(html).toMatch(/<section class="faq" aria-labelledby="faq-heading">/)
+    expect(html).toMatch(/<h2 id="faq-heading">FAQ<\/h2>/)
+    expect(html).toMatch(/<h3 class="faq-q">Q1<\/h3>/)
+
+    // cta
+    expect(html).toMatch(/<section class="cta" aria-labelledby="cta-heading">/)
+    expect(html).toMatch(/<h2 id="cta-heading">CTA<\/h2>/)
+  })
+})

lib/exporter/sections.regression.cta-testimonials.test.ts

@@ -0,0 +1,35 @@
+import { describe, it, expect } from 'vitest'
+import { exportPage } from '@/lib/exporter/html'
+import { pageSchema, type Page } from '@/lib/schema/page'
+
+function makePage(): Page {
+  return pageSchema.parse({
+    title: 'Sections Regression CTA/Testimonials',
+    locale: 'en',
+    theme: { primaryColor: '#0ea5e9', fontFamily: 'Inter' },
+    sections: [
+      { type: 'testimonials', props: { items: [{ author: 'Linus', quote: 'Simple and fast' }] } },
+      { type: 'cta', props: { text: 'Get Started', href: '/start' } },
+    ],
+    form: { actionUrl: '', fields: [], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
+    seo: { title: 'SEO', description: 'Desc' },
+  })
+}
+
+describe('Exporter - CTA and Testimonials regression', () => {
+  it('renders testimonials figure/blockquote/figcaption structure', () => {
+    const out = exportPage(makePage())
+    const html = out.html
+    expect(html).toMatch(/<section class="testimonials" aria-labelledby="testimonials-heading">/)
+    expect(html).toMatch(/<h2 id="testimonials-heading">Testimonials<\/h2>/)
+    expect(html).toMatch(/<figure class="testimonial">[\s\S]*<blockquote>“Simple and fast”<\/blockquote>[\s\S]*<figcaption>— Linus<\/figcaption>[\s\S]*<\/figure>/)
+  })
+
+  it('renders CTA link with correct class and href', () => {
+    const out = exportPage(makePage())
+    const html = out.html
+    expect(html).toMatch(/<section class="cta" aria-labelledby="cta-heading">/)
+    expect(html).toMatch(/<h2 id="cta-heading">CTA<\/h2>/)
+    expect(html).toMatch(/<a class="btn-cta" href="\/start">Get Started<\/a>/)
+  })
+})

lib/exporter/sections.regression.features-faq.test.ts

@@ -0,0 +1,41 @@
+import { describe, it, expect } from 'vitest'
+import { exportPage } from '@/lib/exporter/html'
+import { pageSchema, type Page } from '@/lib/schema/page'
+
+function makePage(): Page {
+  return pageSchema.parse({
+    title: 'Sections Regression Features/FAQ',
+    locale: 'en',
+    theme: { primaryColor: '#0ea5e9', fontFamily: 'Inter' },
+    sections: [
+      { type: 'features', props: { items: ['F1', 'F2', 'F3'] } },
+      { type: 'faq', props: { items: [{ q: 'Q1', a: 'A1' }, { q: 'Q2', a: 'A2' }] } },
+    ],
+    form: { actionUrl: '', fields: [], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
+    seo: { title: 'SEO', description: 'Desc' },
+  })
+}
+
+describe('Exporter - Features/FAQ regression (structure/classes/count)', () => {
+  it('renders features with list, class names, and correct item count', () => {
+    const out = exportPage(makePage())
+    const html = out.html
+    expect(html).toMatch(/<section class="features" aria-labelledby="features-heading">/)
+    expect(html).toMatch(/<h2 id="features-heading">Features<\/h2>/)
+    expect(html).toMatch(/<ul class="features-list">/)
+    const featureItems = html.match(/<li class="feature-item">/g) || []
+    expect(featureItems.length).toBe(3)
+  })
+
+  it('renders faq with list, h3 question class, and correct item count', () => {
+    const out = exportPage(makePage())
+    const html = out.html
+    expect(html).toMatch(/<section class="faq" aria-labelledby="faq-heading">/)
+    expect(html).toMatch(/<h2 id="faq-heading">FAQ<\/h2>/)
+    expect(html).toMatch(/<ul class="faq-list">/)
+    const qCount = html.match(/<h3 class="faq-q">/g) || []
+    const aCount = html.match(/<p class="faq-a">/g) || []
+    expect(qCount.length).toBe(2)
+    expect(aCount.length).toBe(2)
+  })
+})

lib/exporter/seoPerf.themeColor.heroDims.test.ts

@@ -0,0 +1,31 @@
+import { describe, it, expect } from 'vitest'
+import { exportPage } from '@/lib/exporter/html'
+import { pageSchema, type Page } from '@/lib/schema/page'
+
+function makePage(): Page {
+  return pageSchema.parse({
+    title: 'SEO/Perf 2',
+    locale: 'en',
+    theme: { primaryColor: '#0ea5e9', fontFamily: 'Inter' },
+    sections: [
+      { type: 'hero', props: { heading: 'Hello', subheading: 'World', imageUrl: 'https://img.example/hero.png' } },
+    ],
+    form: { actionUrl: '', fields: [], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
+    seo: { title: 'SEO2', description: 'Desc2' },
+  })
+}
+
+describe('Exporter - theme-color meta and hero image intrinsic size', () => {
+  it('includes theme-color meta using page.theme.primaryColor', () => {
+    const out = exportPage(makePage())
+    const html = out.html
+    expect(html).toMatch(/<meta name="theme-color" content="#0ea5e9"\s*\/>/)
+  })
+
+  it('renders hero image with width/height attributes for CLS reduction', () => {
+    const out = exportPage(makePage())
+    const html = out.html
+    expect(html).toMatch(/<img[^>]*\swidth="[0-9]+"/)
+    expect(html).toMatch(/<img[^>]*\sheight="[0-9]+"/)
+  })
+})

lib/exporter/seoPerf.tokens.test.ts

@@ -0,0 +1,34 @@
+import { describe, it, expect } from 'vitest'
+import { exportPage } from '@/lib/exporter/html'
+import { pageSchema, type Page } from '@/lib/schema/page'
+
+function makePage(): Page {
+  return pageSchema.parse({
+    title: 'SEO/Perf',
+    locale: 'en',
+    theme: { primaryColor: '#0ea5e9', fontFamily: 'Inter' },
+    sections: [
+      { type: 'hero', props: { heading: 'Welcome', subheading: 'Sub', imageUrl: 'https://img.example/hero.png' } },
+    ],
+    form: { actionUrl: '', fields: [], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
+    seo: { title: 'SEO', description: 'Desc' },
+  })
+}
+
+describe('Exporter - small SEO/Perf improvements', () => {
+  it('includes canonical link and dark mode tokens; hero image lazy/async', () => {
+    const out = exportPage(makePage())
+    const html = out.html
+    const css = out.css
+
+    // canonical link present in head
+    expect(html).toMatch(/<link[^>]+rel="canonical"/)
+
+    // hero image has loading/decoding attributes
+    expect(html).toMatch(/<img[^>]*loading="lazy"/)
+    expect(html).toMatch(/<img[^>]*decoding="async"/)
+
+    // dark mode media query token exists
+    expect(css).toMatch(/@media \(prefers-color-scheme: dark\)/)
+  })
+})

lib/exporter/sheets.template.test.ts

@@ -0,0 +1,47 @@
+import { describe, it, expect } from 'vitest'
+import { buildZip } from '@/lib/exporter/zip'
+import { exportPage } from '@/lib/exporter/html'
+import { pageSchema, type Page } from '@/lib/schema/page'
+import { buildExtrasForPage } from '@/lib/exporter/extras'
+
+function makePageNoAction(): Page {
+  return pageSchema.parse({
+    title: 'Sheets Tpl',
+    locale: 'en',
+    theme: { primaryColor: '#2563eb', fontFamily: 'Inter' },
+    sections: [ { type: 'hero', props: { heading: 'Hello', subheading: 'World', imageUrl: 'https://img/h.png' } } ],
+    form: { actionUrl: '', fields: [ { type: 'text', name: 'email', label: 'Email', required: true } ], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
+    seo: { title: 't', description: 'd' },
+  })
+}
+
+function makePageWithAction(): Page {
+  return pageSchema.parse({
+    title: 'Sheets Off',
+    locale: 'en',
+    theme: { primaryColor: '#2563eb', fontFamily: 'Inter' },
+    sections: [ { type: 'hero', props: { heading: 'Hello', subheading: 'World', imageUrl: 'https://img/h.png' } } ],
+    form: { actionUrl: 'https://example.com/submit', fields: [], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
+    seo: { title: 't', description: 'd' },
+  })
+}
+
+describe('Sheets 템플릿 Export', () => {
+  it('actionUrl 미지정 시 extras에 Sheets 템플릿 파일을 포함한다', async () => {
+    const page = makePageNoAction()
+    const extras = buildExtrasForPage(page)
+    expect(Object.keys(extras)).toContain('sheets/Code.gs')
+    expect(Object.keys(extras)).toContain('sheets/README.txt')
+
+    const out = exportPage(page)
+    const zipBytes = await buildZip({ html: out.html, css: out.css, js: out.js, assets: {}, extras })
+    expect(zipBytes.byteLength).toBeGreaterThan(0)
+  })
+
+  it('actionUrl 지정 시 extras에는 Sheets 템플릿이 포함되지 않는다', () => {
+    const page = makePageWithAction()
+    const extras = buildExtrasForPage(page)
+    expect(Object.keys(extras)).not.toContain('sheets/Code.gs')
+    expect(Object.keys(extras)).not.toContain('sheets/README.txt')
+  })
+})

lib/exporter/testUtils/sectionA11y.ts

@@ -0,0 +1,30 @@
+import { expect } from 'vitest'
+
+export function assertSectionA11y(html: string) {
+  // basic landmarks
+  expect(html).toContain('<main id="main" role="main">')
+  expect(html).toContain('class="skip-link"')
+
+  // hero h1
+  expect(html).toMatch(/<h1 id="hero-heading">[\s\S]*<\/h1>/)
+
+  // features h2 and aria-labelledby
+  expect(html).toMatch(/<h2 id="features-heading">Features<\/h2>/)
+  expect(html).toMatch(/<section class="features" aria-labelledby="features-heading">/)
+
+  // testimonials h2 and aria-labelledby
+  expect(html).toMatch(/<h2 id="testimonials-heading">Testimonials<\/h2>/)
+  expect(html).toMatch(/<section class="testimonials" aria-labelledby="testimonials-heading">/)
+
+  // FAQ heading levels and structure
+  expect(html).toMatch(/<h2 id="faq-heading">FAQ<\/h2>/)
+  // at least one h3 under FAQ
+  expect(html).toMatch(/<h3 class="faq-q">[\s\S]*<\/h3>/)
+
+  // CTA h2 & aria-labelledby
+  expect(html).toMatch(/<h2 id="cta-heading">CTA<\/h2>/)
+  expect(html).toMatch(/<section class="cta" aria-labelledby="cta-heading">/)
+
+  // focus-visible tokens (CSS)
+  expect(html).toContain('outline: 3px solid')
+}

lib/exporter/zip.ts

@@ -5,6 +5,8 @@ export type BuildZipInput = {
   css: string
   js: string
   assets?: Record<string, Uint8Array>
+  // root-level extra files like favicon.ico, site.webmanifest, robots.txt
+  extras?: Record<string, Uint8Array>
 }
 
 export async function buildZip(input: BuildZipInput): Promise<Uint8Array> {
@@ -19,6 +21,22 @@ export async function buildZip(input: BuildZipInput): Promise<Uint8Array> {
       zip.file(path, buf as unknown as Buffer)
     }
   }
+  if (input.extras) {
+    // validate manifest if present
+    if (Object.prototype.hasOwnProperty.call(input.extras, 'site.webmanifest')) {
+      try {
+        const manifestBytes = input.extras['site.webmanifest']
+        const manifestStr = Buffer.from(manifestBytes).toString('utf8')
+        JSON.parse(manifestStr)
+      } catch {
+        throw new Error('Invalid site.webmanifest JSON')
+      }
+    }
+    for (const [path, bytes] of Object.entries(input.extras)) {
+      const buf = Buffer.from(bytes)
+      zip.file(path, buf as unknown as Buffer)
+    }
+  }
   const content = await zip.generateAsync({ type: 'uint8array' })
   return content
 }

lib/exporter/zip.validation.integrated.test.ts

@@ -0,0 +1,53 @@
+import { describe, it, expect } from 'vitest'
+import JSZip from 'jszip'
+import { exportPage } from '@/lib/exporter/html'
+import { buildZip } from '@/lib/exporter/zip'
+import { AssetManager } from '@/lib/assets/assetManager'
+import { pageSchema, type Page } from '@/lib/schema/page'
+
+function makePageWithLocalAsset(): { page: Page; am: AssetManager } {
+  const am = new AssetManager({ maxBytes: 1024 * 1024, allowedExts: ['png','svg','jpg','jpeg','webp'] })
+  // simulate adding a local image and referencing it by original name via local: prefix
+  const bytes = new Uint8Array([7,8,9])
+  // add as "hero.png"
+  am.add({ name: 'hero.png', type: 'image/png', bytes })
+
+  const base: Page = pageSchema.parse({
+    title: 'Integrated ZIP',
+    locale: 'en',
+    theme: { primaryColor: '#2563eb', fontFamily: 'Inter' },
+    sections: [
+      { type: 'hero', props: { heading: 'Hello', subheading: 'World', imageUrl: 'local:hero.png' } },
+      { type: 'cta', props: { text: 'Go', href: '#' } },
+    ],
+    form: { actionUrl: '', fields: [], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
+    analytics: { ga4MeasurementId: 'G-TEST', metaPixelId: '', customHeadHtml: '' },
+    seo: { title: 't', description: 'd' },
+  })
+  return { page: base, am }
+}
+
+describe('Export ZIP 통합 검증', () => {
+  it('exportPage 출력 + buildZip 결과에서 assets 경로/메타가 보존된다', async () => {
+    const { page, am } = makePageWithLocalAsset()
+    const out = exportPage(page, { assetManager: am })
+    const assets = am.toZipStructure()
+    const zipBytes = await buildZip({ html: out.html, css: out.css, js: out.js, assets })
+
+    const zip = await JSZip.loadAsync(zipBytes)
+    const names = Object.keys(zip.files)
+    // assets 파일이 존재해야 함
+    const assetKey = Object.keys(assets)[0]
+    expect(names).toContain(assetKey)
+
+    // index.html에 canonical/meta/ga4 스니펫 보존
+    const html = await zip.files['index.html'].async('string')
+    expect(html).toMatch(/<link rel="canonical" href="\//)
+    expect(html).toMatch(/<meta name="description" content="d"/)
+    expect(html).toMatch(/gtag\('config', 'G-TEST'\)/)
+
+    // hero 이미지가 재작성된 경로를 사용한다
+    const match = html.match(/<img[^>]*src="([^"]+)"/)
+    expect(match && match[1]).toBe(assetKey)
+  })
+})

lib/exporter/zip.validation.meta.test.ts

@@ -0,0 +1,28 @@
+import { describe, it, expect } from 'vitest'
+import JSZip from 'jszip'
+import { buildZip } from '@/lib/exporter/zip'
+
+describe('Export ZIP 메타 보존 검증', () => {
+  it('index.html의 SEO/OG/Analytics 메타가 그대로 보존된다', async () => {
+    const html = `<!DOCTYPE html><html><head>
+      <meta charset="utf-8" />
+      <link rel="canonical" href="/" />
+      <meta name="description" content="desc" />
+      <meta property="og:title" content="OT" />
+      <meta property="og:description" content="OD" />
+      <script>window.dataLayer=[];function gtag(){dataLayer.push(arguments);}gtag('js',new Date());</script>
+    </head><body>ok</body></html>`
+    const css = 'body{color:#222}'
+    const js = 'console.log("ok")'
+
+    const zipBytes = await buildZip({ html, css, js, assets: {} })
+    const zip = await JSZip.loadAsync(zipBytes)
+    const htmlContent = await zip.files['index.html'].async('string')
+
+    expect(htmlContent).toMatch(/<link rel="canonical" href="\//)
+    expect(htmlContent).toMatch(/<meta name="description" content="desc"/)
+    expect(htmlContent).toMatch(/<meta property="og:title" content="OT"/)
+    expect(htmlContent).toMatch(/<meta property="og:description" content="OD"/)
+    expect(htmlContent).toMatch(/window\.dataLayer=\[\];/)
+  })
+})

lib/exporter/zip.validation.phase4.test.ts

@@ -0,0 +1,53 @@
+import { describe, it, expect } from 'vitest'
+import JSZip from 'jszip'
+import { buildZip } from '@/lib/exporter/zip'
+import type { BuildZipInput } from '@/lib/exporter/zip'
+
+const TE = new TextEncoder()
+
+describe('Export ZIP 검증 강화 4차: 루트 파일(favicon/manifest/robots)', () => {
+  it('루트 파일들을 포함한다: favicon.ico / site.webmanifest / robots.txt', async () => {
+    const manifest = {
+      name: 'Landing Builder',
+      short_name: 'LB',
+      start_url: '/',
+      display: 'standalone',
+      icons: [{ src: '/favicon.png', sizes: '512x512', type: 'image/png' }],
+    }
+    const input: BuildZipInput = {
+      html: '<!DOCTYPE html><html><head><title>a</title></head><body>ok</body></html>',
+      css: 'body{color:#111}',
+      js: 'console.log("ok")',
+      assets: {},
+      extras: {
+        'favicon.ico': new Uint8Array([0, 1, 2, 3]),
+        'site.webmanifest': TE.encode(JSON.stringify(manifest)),
+        'robots.txt': TE.encode('User-agent: *\nDisallow:'),
+      },
+    }
+    const zipBytes = await buildZip(input)
+
+    const zip = await JSZip.loadAsync(zipBytes)
+    const names = Object.keys(zip.files)
+    expect(names).toContain('favicon.ico')
+    expect(names).toContain('site.webmanifest')
+    expect(names).toContain('robots.txt')
+
+    const robots = await zip.files['robots.txt'].async('string')
+    expect(robots).toMatch(/User-agent: \*/)
+
+    const parsed = JSON.parse(await zip.files['site.webmanifest'].async('string'))
+    expect(parsed.name).toBe('Landing Builder')
+    expect(parsed.icons[0].type).toBe('image/png')
+  })
+
+  it('잘못된 manifest JSON이면 실패한다', async () => {
+    const badInput: BuildZipInput = {
+        html: '<!DOCTYPE html><html><head><title>a</title></head><body>ok</body></html>',
+        css: 'body{color:#111}',
+        js: 'console.log("ok")',
+        extras: { 'site.webmanifest': TE.encode('{ invalid json') },
+      }
+    await expect(buildZip(badInput)).rejects.toThrow()
+  })
+})

lib/exporter/zip.validation.phase5.test.ts

@@ -0,0 +1,39 @@
+import { describe, it, expect } from 'vitest'
+import { buildZip } from '@/lib/exporter/zip'
+import { exportPage } from '@/lib/exporter/html'
+import { pageSchema, type Page } from '@/lib/schema/page'
+import { buildExtrasForPage } from '@/lib/exporter/extras'
+
+function makePage(): Page {
+  return pageSchema.parse({
+    title: 'ZIP Phase5',
+    locale: 'en',
+    theme: { primaryColor: '#2563eb', fontFamily: 'Inter' },
+    sections: [ { type: 'hero', props: { heading: 'Hello', subheading: 'World', imageUrl: 'https://img/h.png' } } ],
+    form: { actionUrl: '', fields: [], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
+    seo: { title: 't', description: 'd' },
+  })
+}
+
+describe('ZIP 검증 Phase5', () => {
+  it('robots.txt 베이스라인과 site.webmanifest JSON 파싱 검증', async () => {
+    const page = makePage()
+    const extras = buildExtrasForPage(page)
+
+    // baseline robots
+    const robots = Buffer.from(extras['robots.txt']).toString('utf8')
+    expect(robots).toContain('User-agent: *')
+
+    // manifest JSON parseable
+    const manifestStr = Buffer.from(extras['site.webmanifest']).toString('utf8')
+    const manifest = JSON.parse(manifestStr)
+    expect(manifest && typeof manifest === 'object').toBe(true)
+    expect(manifest.start_url).toBeDefined()
+    expect(manifest.display).toBeDefined()
+
+    // ZIP build should succeed
+    const out = exportPage(page)
+    const zipBytes = await buildZip({ html: out.html, css: out.css, js: out.js, assets: {}, extras })
+    expect(zipBytes.byteLength).toBeGreaterThan(0)
+  })
+})

lib/exporter/zip.validation.test.ts

@@ -0,0 +1,44 @@
+import { describe, it, expect } from 'vitest'
+import JSZip from 'jszip'
+import { buildZip } from '@/lib/exporter/zip'
+
+const TE = new TextEncoder()
+
+describe('Export ZIP 검증 강화', () => {
+  it('assets가 비어있을 때 index.html/styles.css/app.js만 포함한다', async () => {
+    const zipBytes = await buildZip({
+      html: '<!DOCTYPE html><html><head><title>a</title></head><body>ok</body></html>',
+      css: 'body{color:#111}',
+      js: 'console.log("ok")',
+      assets: {},
+    })
+    const zip = await JSZip.loadAsync(zipBytes)
+    const names = Object.keys(zip.files).sort()
+    expect(names).toEqual(['app.js','index.html','styles.css'])
+  })
+
+  it('assets가 있으면 모든 파일을 그대로 포함한다(서브폴더 포함)', async () => {
+    const assets = {
+      'assets/img/logo.png': new Uint8Array([0,1,2,3]),
+      'assets/svg/icon.svg': TE.encode('<svg></svg>'),
+      'assets/fonts/inter.woff2': new Uint8Array([4,5,6]),
+    }
+    const zipBytes = await buildZip({
+      html: '<!DOCTYPE html><html><head><title>a</title></head><body>ok</body></html>',
+      css: 'body{color:#111}',
+      js: 'console.log("ok")',
+      assets,
+    })
+    const zip = await JSZip.loadAsync(zipBytes)
+    const names = Object.keys(zip.files)
+    expect(names).toContain('index.html')
+    expect(names).toContain('styles.css')
+    expect(names).toContain('app.js')
+    expect(names).toContain('assets/img/logo.png')
+    expect(names).toContain('assets/svg/icon.svg')
+    expect(names).toContain('assets/fonts/inter.woff2')
+
+    const logo = await zip.files['assets/img/logo.png'].async('uint8array')
+    expect(Array.from(logo)).toEqual([0,1,2,3])
+  })
+})

lib/schema/page.ts

@@ -37,6 +37,11 @@ const sectionTestimonialsSchema = z.object({
   props: z.object({ items: z.array(z.object({ author: z.string().min(1), quote: z.string().min(1) })).min(1) }),
 })
 
+const sectionBenefitsSchema = z.object({
+  type: z.literal('benefits'),
+  props: z.object({ items: z.array(z.string().min(1)).min(1) }),
+})
+
 // 확장: hero, faq, cta, features, testimonials 허용
 const sectionSchema = z.union([
   sectionHeroSchema,
@@ -44,6 +49,7 @@ const sectionSchema = z.union([
   sectionCtaSchema,
   sectionFeaturesSchema,
   sectionTestimonialsSchema,
+  sectionBenefitsSchema,
 ])
 
 const baseField = {
@@ -52,6 +58,7 @@ const baseField = {
   required: z.boolean().optional().default(false),
   pattern: z.string().optional(),
   maxLength: z.number().int().positive().optional(),
+  help: z.string().optional(),
 }
 
 const textField = z.object({ type: z.literal('text'), ...baseField })

messages/en.json

@@ -1,27 +1,39 @@
 {
-  "app.title": "Landing Page Builder",
-  "builder.title": "Landing Page Builder",
-  "builder.preview": "Preview (static)",
-  "builder.field.title": "Title",
-  "builder.field.locale": "Locale",
-  "builder.field.primaryColor": "Primary Color",
-  "builder.field.fontFamily": "Font Family",
-  "builder.upload.hero": "Hero Image Upload",
-  "builder.action.addHero": "Add Hero",
-  "builder.action.addFAQ": "Add FAQ",
-  "builder.action.addCTA": "Add CTA",
-  "builder.action.export": "Export ZIP",
-  "builder.action.addText": "Add Text",
-  "builder.action.addEmail": "Add Email",
-  "builder.action.addTel": "Add Tel",
-  "builder.action.addDate": "Add Date",
-  "builder.action.addTextarea": "Add Textarea",
-  "builder.action.addCheckbox": "Add Checkbox",
-  "builder.action.addSelect": "Add Select",
-  "builder.action.addRadio": "Add Radio",
-  "builder.sections": "Sections",
-  "builder.form.fields": "Form Fields",
-  "builder.form.actionUrl": "Action URL",
-  "builder.form.honeypot": "Honeypot Field",
-  "builder.form.minSeconds": "Min Submit Seconds"
+  "app": {
+    "title": "Landing Page Builder"
+  },
+  "builder": {
+    "title": "Landing Page Builder",
+    "preview": "Preview (static)",
+    "field": {
+      "title": "Title",
+      "locale": "Locale",
+      "primaryColor": "Primary Color",
+      "fontFamily": "Font Family"
+    },
+    "upload": {
+      "hero": "Hero Image Upload"
+    },
+    "action": {
+      "addHero": "Add Hero",
+      "addFAQ": "Add FAQ",
+      "addCTA": "Add CTA",
+      "export": "Export ZIP",
+      "addText": "Add Text",
+      "addEmail": "Add Email",
+      "addTel": "Add Tel",
+      "addDate": "Add Date",
+      "addTextarea": "Add Textarea",
+      "addCheckbox": "Add Checkbox",
+      "addSelect": "Add Select",
+      "addRadio": "Add Radio"
+    },
+    "sections": "Sections",
+    "form": {
+      "fields": "Form Fields",
+      "actionUrl": "Action URL",
+      "honeypot": "Honeypot Field",
+      "minSeconds": "Min Submit Seconds"
+    }
+  }
 }

messages/ko.json

@@ -1,16 +1,39 @@
 {
-  "app.title": "랜딩 페이지 빌더",
-  "builder.title": "랜딩 페이지 빌더",
-  "builder.preview": "미리보기(정적)",
-  "builder.field.title": "제목",
-  "builder.field.locale": "로케일",
-  "builder.field.primaryColor": "대표 색상",
-  "builder.field.fontFamily": "폰트",
-  "builder.upload.hero": "히어로 이미지 업로드",
-  "builder.action.addHero": "히어로 추가",
-  "builder.action.addFAQ": "FAQ 추가",
-  "builder.action.addCTA": "CTA 추가",
-  "builder.action.export": "ZIP 내보내기",
-  "builder.sections": "섹션",
-  "builder.form.fields": "폼 필드"
+  "app": {
+    "title": "랜딩 페이지 빌더"
+  },
+  "builder": {
+    "title": "랜딩 페이지 빌더",
+    "preview": "미리보기(정적)",
+    "field": {
+      "title": "제목",
+      "locale": "로케일",
+      "primaryColor": "대표 색상",
+      "fontFamily": "폰트"
+    },
+    "upload": {
+      "hero": "히어로 이미지 업로드"
+    },
+    "action": {
+      "addHero": "히어로 추가",
+      "addFAQ": "FAQ 추가",
+      "addCTA": "CTA 추가",
+      "export": "ZIP 내보내기",
+      "addText": "텍스트 필드 추가",
+      "addEmail": "이메일 필드 추가",
+      "addTel": "전화번호 필드 추가",
+      "addDate": "날짜 필드 추가",
+      "addTextarea": "텍스트영역 추가",
+      "addCheckbox": "체크박스 추가",
+      "addSelect": "셀렉트 추가",
+      "addRadio": "라디오 추가"
+    },
+    "sections": "섹션",
+    "form": {
+      "fields": "폼 필드",
+      "actionUrl": "액션 URL",
+      "honeypot": "허니팟 필드",
+      "minSeconds": "최소 제출 대기(초)"
+    }
+  }
 }

tests/e2e/export-focus-outline.e2e.ts

@@ -0,0 +1,42 @@
+import { test, expect } from '@playwright/test'
+
+type WindowWithExport = Window & {
+  __exportPreview?: () => { html: string; css: string; js: string }
+}
+
+const builderUrl = '/en/builder'
+
+// Verify that focus outline tokens from CSS are applied in a real browser context
+// by focusing the submit button in the exported page and inspecting computed styles.
+test('Exported page shows 3px solid outline color on focused button', async ({ page, context }) => {
+  await page.goto(builderUrl)
+  // Minimal content to export
+  await page.getByTestId('card-hero').click()
+
+  await page.waitForFunction(() => Boolean((window as unknown as WindowWithExport).__exportPreview), { timeout: 5000 })
+  const exported = await page.evaluate(() => (window as unknown as WindowWithExport).__exportPreview?.() ?? null)
+  expect(exported).not.toBeNull()
+
+  const preview = await context.newPage()
+  await preview.setContent(exported!.html)
+  await preview.addStyleTag({ content: exported!.css })
+
+  const submit = preview.locator('button[type="submit"]')
+  await expect(submit).toHaveCount(1)
+  await submit.focus()
+
+  // Read computed style in the page context
+  const style = await preview.evaluate(() => {
+    const el = document.querySelector('button[type="submit"]') as HTMLElement | null
+    if (!el) return null
+    const cs = window.getComputedStyle(el)
+    return { outlineWidth: cs.outlineWidth, outlineStyle: cs.outlineStyle, outlineColor: cs.outlineColor }
+  })
+  expect(style).not.toBeNull()
+  // Expect 3px solid and brand color (#2563eb => rgb(37, 99, 235))
+  expect(style!.outlineWidth).toBe('3px')
+  expect(style!.outlineStyle).toBe('solid')
+  expect(style!.outlineColor.replace(/\s+/g, '')).toMatch(/rgb\(37,99,235\)|#2563eb/i)
+
+  await preview.close()
+})

tests/e2e/export-skiplink-focus.e2e.ts

@@ -0,0 +1,41 @@
+import { test, expect } from '@playwright/test'
+
+type WindowWithExport = Window & {
+  __exportPreview?: () => { html: string; css: string; js: string }
+}
+
+const builderUrl = '/en/builder'
+
+// This test exports the preview, then loads the exported HTML/CSS in a fresh page
+// and verifies that the skip-link becomes visible on focus.
+test('Exported page skip-link becomes visible on focus', async ({ page, context }) => {
+  await page.goto(builderUrl)
+
+  // Minimal content to allow export to produce sections and styles
+  await page.getByTestId('card-hero').click()
+
+  await page.waitForFunction(() => Boolean((window as unknown as WindowWithExport).__exportPreview), { timeout: 5000 })
+  const exported = await page.evaluate(() => (window as unknown as WindowWithExport).__exportPreview?.() ?? null)
+  expect(exported).not.toBeNull()
+
+  // Open a clean page to render exported HTML/CSS and interact with it
+  const preview = await context.newPage()
+  await preview.setContent(exported!.html)
+
+  // Inject CSS into the same document head if not already present
+  await preview.addStyleTag({ content: exported!.css })
+
+  // Ensure skip-link exists and is initially off-screen
+  const skip = preview.locator('a.skip-link')
+  await expect(skip).toHaveCount(1)
+
+  // Focus the skip-link and assert it moved on-screen (left not -9999px)
+  await skip.focus()
+  const box = await skip.boundingBox()
+  expect(box).not.toBeNull()
+  // left should be >= 0 when focused as per our CSS rule (left:1rem)
+  if (!box) throw new Error('skip-link bounding box was null')
+  expect(box.x).toBeGreaterThanOrEqual(0)
+
+  await preview.close()
+})

tests/e2e/export-tab-order.e2e.ts

@@ -0,0 +1,49 @@
+import { test, expect } from '@playwright/test'
+
+type WindowWithExport = Window & {
+  __exportPreview?: () => { html: string; css: string; js: string }
+}
+
+const builderUrl = '/en/builder'
+
+// Verify tab order after activating the skip-link: focus should move into <main>
+// Then the first Tab should reach a focusable descendant (e.g., form submit button)
+test('Skip-link Enter moves focus into main; next Tab reaches first focusable', async ({ page, context }) => {
+  await page.goto(builderUrl)
+  await page.getByTestId('card-hero').click()
+
+  await page.waitForFunction(() => Boolean((window as unknown as WindowWithExport).__exportPreview), { timeout: 5000 })
+  const exported = await page.evaluate(() => (window as unknown as WindowWithExport).__exportPreview?.() ?? null)
+  expect(exported).not.toBeNull()
+
+  const preview = await context.newPage()
+  await preview.setContent(exported!.html)
+  await preview.addStyleTag({ content: exported!.css })
+
+  const skip = preview.locator('a.skip-link')
+  await expect(skip).toHaveCount(1)
+  await skip.focus()
+  await expect(skip).toBeFocused()
+
+  // Activate skip-link
+  await preview.keyboard.press('Enter')
+
+  // Focus should be inside #main or on #main
+  const focusedInMain = await preview.evaluate(() => {
+    const main = document.getElementById('main')!
+    const active = document.activeElement as HTMLElement | null
+    if (!active) return false
+    return active === main || main.contains(active)
+  })
+  expect(focusedInMain).toBeTruthy()
+
+  // Press Tab and expect a focusable inside main (submit button) to receive focus
+  await preview.keyboard.press('Tab')
+  const isSubmitFocused = await preview.evaluate(() => {
+    const active = document.activeElement as HTMLElement | null
+    return !!active && active.tagName.toLowerCase() === 'button' && (active as HTMLButtonElement).type === 'submit'
+  })
+  expect(isSubmitFocused).toBeTruthy()
+
+  await preview.close()
+})

tests/e2e/viewport-toggle.kbd.e2e.ts

@@ -4,10 +4,14 @@ const builderUrl = '/en/builder'
 
 test('Preview viewport toggle via keyboard (Tab + Enter/Space)', async ({ page }) => {
   await page.goto(builderUrl)
+  await page.waitForLoadState('domcontentloaded')
+  // Ensure the page has focus before sending keyboard events
+  await page.locator('body').click({ position: { x: 1, y: 1 } })
 
-  // Tab to first button (Desktop)
-  await page.keyboard.press('Tab')
-  await expect(page.getByRole('button', { name: 'Desktop' })).toBeFocused()
+  // Focus the Desktop button explicitly to avoid flakiness from skip-link/initial focus
+  const desktopBtn = page.getByRole('button', { name: 'Desktop' })
+  await desktopBtn.focus()
+  await expect(desktopBtn).toBeFocused()
 
   // Press Space to toggle Mobile (first ensure Desktop is selected, then move to Mobile with Tab)
   await page.keyboard.press('Tab')