feat: 新增备课模块并修复全模块 P0/P1/P2 缺陷

主要变更:

- 新增 lesson-preparation 模块: 备课编辑器、节点编辑、AI 建议、知识点选择、版本历史、作业发布

- 新增 shared 通用组件: charts/question-bank-filters/schedule-list/ui (chip-nav/filter-bar/page-header/stat-card/stat-item)

- 新增 student/admin 端 loading.tsx 与 error.tsx, 优化加载与错误态体验

- 新增 teacher/lesson-plans 页面 (列表/新建/编辑)

- 新增 drizzle 迁移 0002_tiny_lionheart 及 snapshot

- 新增 textbooks/schema.ts 与 exams/utils/normalize-structure.ts

- 修复 Tiptap v3 SSR hydration 崩溃 (rich-text-block immediatelyRender: false)

- 重构多模块 data-access/actions/组件, 修复权限校验与类型规范

- 同步架构文档 004/005 反映新增模块、导出、依赖关系

- 归档 bugs/* 测试报告与 e2e 测试脚本 (admin/parent/student/teacher web_test)

bugs/test_edit_page2.py

@@ -0,0 +1,93 @@
+"""测试备课编辑页 - 用精确选择器"""
+from playwright.sync_api import sync_playwright
+
+with sync_playwright() as p:
+    browser = p.chromium.launch(headless=True)
+    context = browser.new_context()
+    page = context.new_page()
+
+    errors = []
+    console_msgs = []
+    page.on("console", lambda msg: console_msgs.append(f"[{msg.type}] {msg.text}"))
+    page.on("pageerror", lambda err: errors.append(str(err)))
+
+    # 0. 登录
+    print("=== 0. 登录 ===")
+    page.goto("http://localhost:3000/login", wait_until="networkidle", timeout=30000)
+    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="Sign In", exact=False).click()
+    try:
+        page.wait_for_url("**/dashboard**", timeout=15000)
+    except Exception:
+        page.wait_for_load_state("networkidle", timeout=10000)
+    print(f"登录后: {page.url}")
+
+    # 1. 新建页
+    print("\n=== 1. 新建页 ===")
+    page.goto("http://localhost:3000/teacher/lesson-plans/new", wait_until="networkidle", timeout=30000)
+    print(f"新建页: {page.url}")
+
+    # 用 name 属性精确定位标题输入框
+    title_input = page.locator("input[placeholder*='秋天']").first
+    if title_input.count() == 0:
+        title_input = page.locator("form input").first
+    title_input.fill("测试课案v2")
+    print("已填标题")
+
+    # 用 CSS 选择器精确匹配模板按钮
+    template_btn = page.locator("button[type='button']:has-text('常规课')")
+    print(f"模板按钮数量: {template_btn.count()}")
+    template_btn.click()
+    page.wait_for_timeout(500)
+    print("已点常规课模板")
+
+    # 检查创建按钮状态
+    create_btn = page.get_by_role("button", name="创建课案", exact=False)
+    is_disabled = create_btn.is_disabled()
+    print(f"创建按钮 disabled: {is_disabled}")
+
+    if is_disabled:
+        # 调试：检查页面所有按钮
+        all_btns = page.locator("button").all()
+        print(f"页面按钮总数: {len(all_btns)}")
+        for i, b in enumerate(all_btns):
+            txt = b.inner_text()[:50]
+            btn_type = b.get_attribute("type")
+            print(f"  btn[{i}]: type={btn_type} text='{txt}'")
+
+    # 强制点击创建
+    create_btn.click(force=True)
+    try:
+        page.wait_for_url("**/edit**", timeout=15000)
+    except Exception as e:
+        print(f"等待跳转: {e}")
+    print(f"创建后: {page.url}")
+    page.screenshot(path="e:/Desktop/CICD/bugs/v2_after_create.png", full_page=True)
+
+    # 2. 编辑页检查
+    print("\n=== 2. 编辑页 ===")
+    if "/edit" in page.url:
+        print("进入编辑页!")
+        page.wait_for_timeout(5000)
+        page.screenshot(path="e:/Desktop/CICD/bugs/v2_edit.png", full_page=True)
+        body = page.locator("body").inner_text()
+        print(f"页面文本长度: {len(body)}")
+        print(f"前300字:\n{body[:300]}")
+    else:
+        print(f"未进入编辑页: {page.url}")
+
+    # 3. 错误
+    print("\n=== 3. 页面错误 ===")
+    for e in errors:
+        print(f"  ERROR: {e}")
+    if not errors:
+        print("  无")
+
+    print("\n=== 4. 控制台 error/warning ===")
+    for m in console_msgs:
+        if m.startswith("[error]") or m.startswith("[warning]"):
+            print(f"  {m}")
+
+    browser.close()
+    print("\n完成")