test: update and add E2E, integration, visual, and webapp tests

- Update E2E tests: announcements, auth, auth-business-flow, full-route-regression, grades, navigation, smoke-auth, teacher-web-test

- Update integration tests: api-ai-chat, api-onboarding-complete, api-onboarding-status, proxy-guard, integration setup

- Update visual regression tests: admin-dashboard, homepage, student-dashboard, teacher-dashboard, visual config, helpers

- Update webapp tests: admin, parent, student full tests and debug scripts

- Add new webapp tests: announcements_messages, settings_profile, debug scripts

- Add webtest directory with test plans, screenshots, and diagnostic scripts

webtest/diag7_lesson.py

@@ -0,0 +1,67 @@
+"""诊断 lesson-plans 页面 - 获取完整错误"""
+import re
+from playwright.sync_api import sync_playwright
+
+BASE_URL = "http://localhost:3000"
+
+with sync_playwright() as p:
+    browser = p.chromium.launch(headless=True)
+    context = browser.new_context()
+    page = context.new_page()
+
+    # 监听控制台
+    page.on("console", lambda msg: print(f"[console.{msg.type}] {msg.text[:500]}") if msg.type in ('error', 'warning') else None)
+    page.on("pageerror", lambda err: print(f"[pageerror] {err}"))
+
+    print(">>> 登录教师账号...")
+    page.goto(f"{BASE_URL}/login", timeout=30000)
+    page.wait_for_load_state("networkidle", timeout=15000)
+    page.locator('input[name="email"]').fill("t_chinese_1@xiaoxue.edu.cn")
+    page.locator('input[name="password"]').fill("123456")
+    page.get_by_role("button", name=re.compile(r"Sign In with Email", re.I)).click()
+
+    # 等待跳转完成
+    page.wait_for_timeout(5000)
+    print(f"登录后 URL: {page.url}")
+
+    # 直接访问 lesson-plans
+    print("\n>>> 访问 /teacher/lesson-plans...")
+    response = page.goto(f"{BASE_URL}/teacher/lesson-plans", timeout=30000, wait_until="domcontentloaded")
+    print(f"HTTP 状态: {response.status if response else 'None'}")
+
+    page.wait_for_timeout(3000)
+    print(f"最终 URL: {page.url}")
+
+    # 获取页面完整内容
+    body = page.content()
+    print(f"\n页面内容长度: {len(body)}")
+
+    # 找到所有 data-next-error-message 属性
+    error_messages = re.findall(r'data-next-error-message="([^"]+)"', body)
+    print(f"\n=== 错误消息 ({len(error_messages)} 条) ===")
+    for msg in error_messages:
+        # 解码 HTML 实体
+        msg = msg.replace("&lt;", "<").replace("&gt;", ">").replace("&quot;", '"').replace("&#x27;", "'").replace("&amp;", "&")
+        print(f"\n--- 错误 ---")
+        print(msg)
+
+    # 也查找 error 属性
+    error_codes = re.findall(r'data-next-error-code="([^"]+)"', body)
+    if error_codes:
+        print(f"\n=== 错误代码 ===")
+        for code in error_codes:
+            print(f"  {code}")
+
+    # 查找 error 堆栈
+    error_stacks = re.findall(r'data-next-error-stack="([^"]+)"', body)
+    if error_stacks:
+        print(f"\n=== 错误堆栈 ({len(error_stacks)} 条) ===")
+        for stack in error_stacks[:1]:  # 只显示第一条
+            stack = stack.replace("&lt;", "<").replace("&gt;", ">").replace("&quot;", '"').replace("&#x27;", "'").replace("&amp;", "&")
+            print(stack[:3000])
+
+    # 截图
+    page.screenshot(path="webtest/diag7_lesson_plans.png", full_page=True)
+    print("\n截图已保存: webtest/diag7_lesson_plans.png")
+
+    browser.close()