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/check_schema.py

@@ -0,0 +1,71 @@
+"""检查备课模块相关的数据库表"""
+import mysql.connector
+
+conn = mysql.connector.connect(
+    host="mysql.eazygame.cn",
+    port=14013,
+    user="root",
+    password="wx1998WX",
+    database="next_edu"
+)
+cursor = conn.cursor()
+
+# 检查 class_subject_teachers 表
+try:
+    cursor.execute("DESCRIBE class_subject_teachers")
+    cols = cursor.fetchall()
+    print("=== class_subject_teachers 表结构 ===")
+    for c in cols:
+        print(f"  {c[0]}: {c[1]}")
+except Exception as e:
+    print(f"❌ class_subject_teachers 表不存在: {e}")
+
+# 检查教师的 class_subject_teachers 数据
+try:
+    cursor.execute("""
+        SELECT * FROM class_subject_teachers
+        WHERE teacher_id = 'user_T_C1'
+    """)
+    rows = cursor.fetchall()
+    print(f"\n=== 教师 T_C1 的 class_subject_teachers 数据 ({len(rows)} 行) ===")
+    for r in rows:
+        print(f"  {r}")
+except Exception as e:
+    print(f"❌ 查询失败: {e}")
+
+# 检查 lesson_plans 表结构
+try:
+    cursor.execute("DESCRIBE lesson_plans")
+    cols = cursor.fetchall()
+    print("\n=== lesson_plans 表结构 ===")
+    for c in cols:
+        print(f"  {c[0]}: {c[1]}")
+except Exception as e:
+    print(f"❌ lesson_plans 表不存在: {e}")
+
+# 检查 lesson_plans 数据
+try:
+    cursor.execute("""
+        SELECT id, title, status, creator_id, subject_id, grade_id
+        FROM lesson_plans
+        LIMIT 10
+    """)
+    rows = cursor.fetchall()
+    print(f"\n=== lesson_plans 数据 ({len(rows)} 行) ===")
+    for r in rows:
+        print(f"  {r}")
+except Exception as e:
+    print(f"❌ 查询失败: {e}")
+
+# 检查 subjects 表
+try:
+    cursor.execute("SELECT * FROM subjects")
+    rows = cursor.fetchall()
+    print(f"\n=== subjects 数据 ({len(rows)} 行) ===")
+    for r in rows:
+        print(f"  {r}")
+except Exception as e:
+    print(f"❌ 查询失败: {e}")
+
+cursor.close()
+conn.close()