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/diag8_lesson.py

@@ -0,0 +1,64 @@
+"""获取 500 错误的完整响应内容"""
+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()
+
+    # 监听响应，捕获 500 错误的响应体
+    error_responses = []
+
+    def on_response(response):
+        if response.status >= 400:
+            url = response.url
+            if 'lesson-plans' in url and '_rsc' not in url:
+                try:
+                    body = response.text()
+                    error_responses.append((response.status, url, body))
+                    print(f"\n[捕获 {response.status}] {url[:100]}")
+                    print(f"响应长度: {len(body)}")
+                except Exception as e:
+                    print(f"[error] 无法读取响应: {e}")
+
+    page.on("response", on_response)
+
+    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_timeout(5000)
+    print(f"登录后 URL: {page.url}")
+
+    print("\n>>> 访问 /teacher/lesson-plans...")
+    response = page.goto(f"{BASE_URL}/teacher/lesson-plans", timeout=30000, wait_until="domcontentloaded")
+    page.wait_for_timeout(3000)
+
+    # 输出所有捕获的错误响应
+    print(f"\n\n=== 捕获到 {len(error_responses)} 个错误响应 ===")
+    for status, url, body in error_responses:
+        print(f"\n--- {status} {url[:100]} ---")
+        # 找到错误消息
+        error_messages = re.findall(r'data-next-error-message="([^"]+)"', body)
+        if error_messages:
+            for msg in error_messages:
+                msg = msg.replace("&lt;", "<").replace("&gt;", ">").replace("&quot;", '"').replace("&#x27;", "'").replace("&amp;", "&")
+                print(f"\n错误消息:\n{msg}")
+
+        # 找到错误堆栈
+        error_stacks = re.findall(r'data-next-error-stack="([^"]+)"', body)
+        if error_stacks:
+            for stack in error_stacks[:1]:
+                stack = stack.replace("&lt;", "<").replace("&gt;", ">").replace("&quot;", '"').replace("&#x27;", "'").replace("&amp;", "&")
+                print(f"\n错误堆栈:\n{stack[:5000]}")
+
+        # 如果没有找到错误消息，输出前 2000 字符
+        if not error_messages and not error_stacks:
+            print(f"\n响应前 2000 字符:\n{body[:2000]}")
+
+    browser.close()