diff --git a/.gitignore b/.gitignore
index 5b234fd..3e3cd61 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,6 @@ dist
 .DS_Store
 *.log
 .vite
+test-results
+playwright-report
+.playwright
diff --git a/e2e/test-prefill-flow.spec.ts b/e2e/test-prefill-flow.spec.ts
new file mode 100644
index 0000000..d87fa26
--- /dev/null
+++ b/e2e/test-prefill-flow.spec.ts
@@ -0,0 +1,87 @@
+/**
+ * /test → 프리필 → 분석 시작 → loading phase 폴링 → /report/:id 도달 풀 플로우.
+ *
+ * 외부 API(YouTube/Apify/Naver/Firecrawl/Perplexity)에 실호출이라
+ * 1 run · serial로 운영. 워커는 `--workers=1` 로 강제.
+ */
+import { test, expect, type Page } from '@playwright/test'
+import { CLINICS } from '../src/features/dev/fixtures/mockUrls'
+
+test.describe.configure({ mode: 'serial' })
+
+async function pickAndSubmit(page: Page) {
+  await page.goto('/test')
+
+  const heading = page.locator('text=선택된 병원:').first()
+  await expect(heading).toBeVisible({ timeout: 10_000 })
+  const text = await heading.innerText()
+  const match = text.match(/선택된 병원:\s*(.+?)\s*\(/)
+  const label = match?.[1]
+  expect(label, `라벨 파싱 실패: "${text}"`).toBeTruthy()
+
+  const clinic = CLINICS.find((c) => c.label === label)
+  expect(clinic, `${label} 가 CLINICS에 없음`).toBeTruthy()
+  console.log(`[e2e] 선택된 병원: ${label}`)
+
+  if (clinic!.urls.homepage) {
+    await expect(page.getByLabel('홈페이지')).toHaveValue(clinic!.urls.homepage)
+  }
+
+  const analyzeBtn = page.getByRole('button', { name: /Analyze/i })
+  await expect(analyzeBtn).toBeEnabled()
+  await analyzeBtn.click()
+
+  await page.waitForURL(/\/report\/loading/, { timeout: 10_000 })
+  console.log(`[e2e] /report/loading 진입 (${new Date().toISOString()})`)
+  return label!
+}
+
+test('/test → 프리필 → 분석 시작 → phase 폴링 → /report/:id 도달', async ({ page }) => {
+  // 외부 API 의존 풀 플로우 — discovery(~20s) + collect(~40s) + report(~60s) + plan(~30s)
+  test.setTimeout(8 * 60_000)
+
+  const consoleErrors: string[] = []
+  const pageErrors: string[] = []
+  page.on('pageerror', (e) => pageErrors.push(e.message))
+  page.on('console', (msg) => {
+    if (msg.type() === 'error') consoleErrors.push(msg.text())
+  })
+
+  await pickAndSubmit(page)
+
+  // ── Phase 1: discovering → discovered ────────────────────────────
+  // discoverChannels 완료 시점에 URL이 /report/loading/<reportId> 로 replace 됨
+  await expect(page.locator('text=Channels discovered')).toBeVisible({ timeout: 90_000 })
+  console.log(`[e2e] ✓ Phase 1: Channels discovered (${new Date().toISOString()})`)
+  await expect(page).toHaveURL(/\/report\/loading\/[A-Za-z0-9-]+/, { timeout: 5_000 })
+
+  // ── Phase 2: collecting → collected ──────────────────────────────
+  await expect(page.locator('text=Data collected')).toBeVisible({ timeout: 180_000 })
+  console.log(`[e2e] ✓ Phase 2: Data collected (${new Date().toISOString()})`)
+
+  // ── Phase 3: generating active 상태 확인 ─────────────────────────
+  // 'Report generated'(완료 라벨)는 planning → complete → navigate 흐름이 빨라
+  // viewport에서 잡히지 않는 경우가 있어, 활성 라벨까지만 확인하고 URL 폴링으로 넘어감
+  await expect(page.locator('text=Generating AI marketing report')).toBeVisible({ timeout: 30_000 })
+  console.log(`[e2e] ✓ Phase 3: Generating report... (${new Date().toISOString()})`)
+
+  // ── 최종 /report/:id 도달 (Perplexity 호출 + plan 생성 포함 — 최대 6분) ──
+  await page.waitForURL(/\/report\/[A-Za-z0-9-]+$/, { timeout: 6 * 60_000 })
+  const finalUrl = page.url()
+  console.log(`[e2e] ✓ 최종 navigate: ${finalUrl} (${new Date().toISOString()})`)
+  expect(finalUrl).not.toContain('/loading')
+
+  // ── Report 페이지 본문 렌더링 확인 ───────────────────────────────
+  // GuestReportPage 로딩 스피너 → ReportBody. 'Marketing Intelligence Report' 헤더가 viewport 상단.
+  await expect(page.locator('text=리포트를 불러오는 중...')).toBeHidden({ timeout: 60_000 })
+  await expect(page.locator('text=Marketing Intelligence Report')).toBeVisible({ timeout: 30_000 })
+  console.log(`[e2e] ✓ Report 페이지 렌더 완료`)
+
+  // ── 콘솔 / 페이지 에러 0건 ────────────────────────────────────────
+  expect(pageErrors, `pageerror: ${pageErrors.join('\n')}`).toHaveLength(0)
+  // 콘솔 에러는 외부 채널 partial failure 등으로 발생할 수 있어 경고만 출력
+  if (consoleErrors.length > 0) {
+    console.warn(`[e2e] 콘솔 에러 ${consoleErrors.length}건 (non-blocking):`)
+    consoleErrors.slice(0, 5).forEach((e) => console.warn(`  • ${e}`))
+  }
+})
diff --git a/package-lock.json b/package-lock.json
index ccb0d19..57958a3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23,6 +23,7 @@
         "zustand": "^5.0.6"
       },
       "devDependencies": {
+        "@playwright/test": "^1.60.0",
         "@tailwindcss/vite": "^4.1.14",
         "@tanstack/react-query-devtools": "^5.59.0",
         "@types/node": "^22.14.0",
@@ -1185,6 +1186,22 @@
         "openapi3-ts": "4.5.0"
       }
     },
+    "node_modules/@playwright/test": {
+      "version": "1.60.0",
+      "resolved": "https://registry.npmjs.org/@playwright/test/-/test-1.60.0.tgz",
+      "integrity": "sha512-O71yZIbAh/PxDMNGns37GHBIfrVkEVyn+AXyIa5dOTfb4/xNvRWV+Vv/NMbNCtODB/pO7vLlF2OTmMVLhmr7Ag==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "playwright": "1.60.0"
+      },
+      "bin": {
+        "playwright": "cli.js"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    },
     "node_modules/@radix-ui/number": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/@radix-ui/number/-/number-1.1.1.tgz",
@@ -7229,6 +7246,53 @@
         "url": "https://github.com/sponsors/jonschlinkert"
       }
     },
+    "node_modules/playwright": {
+      "version": "1.60.0",
+      "resolved": "https://registry.npmjs.org/playwright/-/playwright-1.60.0.tgz",
+      "integrity": "sha512-hheHdokM8cdqCb0lcE3s+zT4t4W+vvjpGxsZlDnikarzx8tSzMebh3UiFtgqwFwnTnjYQcsyMF8ei2mCO/tpeA==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "playwright-core": "1.60.0"
+      },
+      "bin": {
+        "playwright": "cli.js"
+      },
+      "engines": {
+        "node": ">=18"
+      },
+      "optionalDependencies": {
+        "fsevents": "2.3.2"
+      }
+    },
+    "node_modules/playwright-core": {
+      "version": "1.60.0",
+      "resolved": "https://registry.npmjs.org/playwright-core/-/playwright-core-1.60.0.tgz",
+      "integrity": "sha512-9bW6zvX/m0lEbgTKJ6YppOKx8H3VOPBMOCFh2irXFOT4BbHgrx5hPjwJYLT40Lu+4qtD36qKc/Hn56StUW57IA==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "bin": {
+        "playwright-core": "cli.js"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/playwright/node_modules/fsevents": {
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.2.tgz",
+      "integrity": "sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==",
+      "dev": true,
+      "hasInstallScript": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "engines": {
+        "node": "^8.16.0 || ^10.6.0 || >=11.0.0"
+      }
+    },
     "node_modules/pony-cause": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/pony-cause/-/pony-cause-1.1.1.tgz",
diff --git a/package.json b/package.json
index d27f068..a6a88d0 100644
--- a/package.json
+++ b/package.json
@@ -31,6 +31,7 @@
     "zustand": "^5.0.6"
   },
   "devDependencies": {
+    "@playwright/test": "^1.60.0",
     "@tailwindcss/vite": "^4.1.14",
     "@tanstack/react-query-devtools": "^5.59.0",
     "@types/node": "^22.14.0",
diff --git a/playwright.config.ts b/playwright.config.ts
new file mode 100644
index 0000000..905cbfc
--- /dev/null
+++ b/playwright.config.ts
@@ -0,0 +1,25 @@
+import { defineConfig, devices } from '@playwright/test'
+
+/**
+ * Playwright config — /test 페이지를 통한 분석 플로우 E2E 검증용.
+ *
+ * dev 서버는 직접 띄워놓은 상태에서 BASE_URL 환경변수로 포트 지정 (기본 3000).
+ * `BASE_URL=http://localhost:3002 npx playwright test` 처럼 사용.
+ */
+export default defineConfig({
+  testDir: './e2e',
+  fullyParallel: true,
+  workers: 3,
+  reporter: [['list']],
+  use: {
+    baseURL: process.env.BASE_URL ?? 'http://localhost:3000',
+    trace: 'retain-on-failure',
+    screenshot: 'only-on-failure',
+  },
+  projects: [
+    {
+      name: 'chromium',
+      use: { ...devices['Desktop Chrome'] },
+    },
+  ],
+})