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/diag_lesson.py

@@ -0,0 +1,85 @@
+"""快速诊断备课模块 500 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()
+
+    # 收集控制台错误和页面错误
+    console_msgs = []
+    page_errors = []
+
+    def on_console(msg):
+        console_msgs.append(f"[{msg.type}] {msg.text}")
+
+    def on_pageerror(err):
+        page_errors.append(str(err))
+
+    page.on("console", on_console)
+    page.on("pageerror", on_pageerror)
+
+    # 登录教师账号
+    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()
+
+    page.wait_for_load_state("networkidle", timeout=20000)
+    page.wait_for_timeout(2000)
+    print(f"登录后 URL: {page.url}")
+
+    # 访问备课列表页
+    print("\n>>> 访问 /teacher/lesson-plans...")
+    try:
+        response = page.goto(f"{BASE_URL}/teacher/lesson-plans", timeout=30000)
+        print(f"HTTP 状态: {response.status if response else 'None'}")
+        print(f"最终 URL: {page.url}")
+        page.wait_for_load_state("networkidle", timeout=15000)
+        page.wait_for_timeout(2000)
+
+        # 截图
+        page.screenshot(path="webtest/screenshots/lesson-preparation/diag_teacher_list.png", full_page=True)
+
+        # 检查页面内容
+        body_text = page.locator("body").text_content() or ""
+        print(f"\n页面内容长度: {len(body_text)}")
+        print(f"页面内容前 500 字符: {body_text[:500]}")
+
+        # 检查是否有错误提示
+        error_elements = page.locator('[role="alert"], .text-destructive, .text-red-500, .text-red-600').all()
+        for et in error_elements[:5]:
+            text = et.text_content()
+            if text:
+                print(f"错误提示: {text.strip()[:200]}")
+
+    except Exception as e:
+        print(f"❌ 访问失败: {e}")
+
+    print("\n>>> 控制台消息:")
+    for msg in console_msgs[-20:]:
+        print(f"  {msg}")
+
+    print("\n>>> 页面错误:")
+    for err in page_errors:
+        print(f"  {err}")
+
+    # 也尝试访问新建页
+    print("\n>>> 访问 /teacher/lesson-plans/new...")
+    try:
+        response = page.goto(f"{BASE_URL}/teacher/lesson-plans/new", timeout=30000)
+        print(f"HTTP 状态: {response.status if response else 'None'}")
+        print(f"最终 URL: {page.url}")
+        page.wait_for_load_state("networkidle", timeout=15000)
+        page.wait_for_timeout(1000)
+        page.screenshot(path="webtest/screenshots/lesson-preparation/diag_teacher_new.png", full_page=True)
+    except Exception as e:
+        print(f"❌ 访问新建页失败: {e}")
+
+    browser.close()