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_page.py

@@ -0,0 +1,116 @@
+"""测试备课编辑页是否可用，捕获控制台错误。"""
+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)
+    print(f"登录页URL: {page.url}")
+    page.screenshot(path="e:/Desktop/CICD/bugs/v2_login.png", full_page=True)
+
+    # 填写登录表单
+    email_input = page.locator("input[type='email'], input[name='email']").first
+    email_input.fill("t_chinese_1@xiaoxue.edu.cn")
+    print("已填写邮箱")
+
+    pw_input = page.locator("input[type='password'], input[name='password']").first
+    pw_input.fill("123456")
+    print("已填写密码")
+
+    # 提交 - 按钮文本是 "Sign In with Email"
+    submit = page.get_by_role("button", name="Sign In", exact=False).first
+    submit.click()
+    try:
+        page.wait_for_url("**/dashboard**", timeout=15000)
+    except Exception:
+        try:
+            page.wait_for_load_state("networkidle", timeout=10000)
+        except Exception:
+            pass
+    print(f"登录后URL: {page.url}")
+    page.screenshot(path="e:/Desktop/CICD/bugs/v2_after_login.png", full_page=True)
+
+    # 1. 访问列表页
+    print("\n=== 1. 访问列表页 ===")
+    page.goto("http://localhost:3000/teacher/lesson-plans", wait_until="networkidle", timeout=30000)
+    print(f"列表页URL: {page.url}")
+    page.screenshot(path="e:/Desktop/CICD/bugs/v2_list.png", full_page=True)
+
+    # 2. 访问新建页
+    print("\n=== 2. 访问新建页 ===")
+    page.goto("http://localhost:3000/teacher/lesson-plans/new", wait_until="networkidle", timeout=30000)
+    print(f"新建页URL: {page.url}")
+    page.screenshot(path="e:/Desktop/CICD/bugs/v2_new.png", full_page=True)
+
+    # 填写标题
+    title_input = page.locator("input").first
+    title_input.fill("测试课案_v2")
+    print("已填写标题")
+
+    # 选择"常规课"模板
+    template_btn = page.get_by_role("button", name="常规课", exact=False).first
+    if template_btn.count() > 0:
+        template_btn.click()
+        print("已选择常规课模板")
+    else:
+        print("未找到常规课模板按钮，尝试其他选择器")
+        # 用文本找包含"课"的按钮
+        all_btns = page.locator("button[type='button']").all()
+        for b in all_btns:
+            txt = b.inner_text()
+            if "课" in txt:
+                b.click()
+                print(f"已点击模板: {txt}")
+                break
+
+    # 创建
+    submit_btn = page.get_by_role("button", name="创建课案", exact=False).first
+    if submit_btn.count() == 0:
+        submit_btn = page.locator("button").last
+    print("点击创建")
+    submit_btn.click()
+    try:
+        page.wait_for_load_state("networkidle", timeout=15000)
+    except Exception as e:
+        print(f"等待超时: {e}")
+    print(f"创建后URL: {page.url}")
+    page.screenshot(path="e:/Desktop/CICD/bugs/v2_after_create.png", full_page=True)
+
+    # 3. 编辑页检查
+    print("\n=== 3. 编辑页检查 ===")
+    if "/edit" in page.url:
+        print("成功进入编辑页")
+        page.wait_for_timeout(5000)
+        page.screenshot(path="e:/Desktop/CICD/bugs/v2_edit.png", full_page=True)
+        # 检查页面内容
+        body_text = page.locator("body").inner_text()
+        print(f"页面文本长度: {len(body_text)}")
+        print(f"页面文本前200字: {body_text[:200]}")
+    else:
+        print(f"未进入编辑页，当前URL: {page.url}")
+
+    # 4. 错误输出
+    print("\n=== 4. 页面错误 ===")
+    if errors:
+        for e in errors:
+            print(f"  ERROR: {e}")
+    else:
+        print("  无页面错误")
+
+    print("\n=== 5. 控制台错误/警告 ===")
+    for m in console_msgs:
+        if m.startswith("[error]") or m.startswith("[warning]"):
+            print(f"  {m}")
+
+    browser.close()
+    print("\n完成")