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)

src/modules/textbooks/components/textbook-filters.tsx

@@ -1,10 +1,7 @@
 "use client"
 
 import { useQueryState, parseAsString } from "nuqs"
-import { Search, X } from "lucide-react"
 
-import { Input } from "@/shared/components/ui/input"
-import { Button } from "@/shared/components/ui/button"
 import {
   Select,
   SelectContent,
@@ -12,6 +9,7 @@ import {
   SelectTrigger,
   SelectValue,
 } from "@/shared/components/ui/select"
+import { FilterBar, FilterSearchInput } from "@/shared/components/ui/filter-bar"
 
 export function TextbookFilters() {
   const [search, setSearch] = useQueryState("q", parseAsString.withDefault(""))
@@ -21,16 +19,20 @@ export function TextbookFilters() {
   const hasFilters = Boolean(search || subject !== "all" || grade !== "all")
 
   return (
-    <div className="flex flex-col gap-3 md:flex-row md:items-center md:justify-between">
-      <div className="relative w-full md:w-80">
-        <Search className="absolute left-2.5 top-2.5 h-4 w-4 text-muted-foreground/50" />
-        <Input
-          placeholder="Search by title, publisher..."
-          className="pl-9 bg-background border-muted-foreground/20"
-          value={search}
-          onChange={(e) => setSearch(e.target.value || null)}
-        />
-      </div>
+    <FilterBar
+      layout="between"
+      hasFilters={hasFilters}
+      onReset={() => {
+        setSearch(null)
+        setSubject(null)
+        setGrade(null)
+      }}
+    >
+      <FilterSearchInput
+        value={search}
+        onChange={(v) => setSearch(v || null)}
+        placeholder="Search by title, publisher..."
+      />
 
       <div className="flex flex-wrap gap-2 w-full md:w-auto">
         <Select value={subject} onValueChange={(val) => setSubject(val === "all" ? null : val)}>
@@ -63,23 +65,7 @@ export function TextbookFilters() {
             <SelectItem value="Grade 12">Grade 12</SelectItem>
           </SelectContent>
         </Select>
-
-        {hasFilters && (
-          <Button
-            variant="ghost"
-            onClick={() => {
-              setSearch(null)
-              setSubject(null)
-              setGrade(null)
-            }}
-            className="h-10 px-3 text-muted-foreground hover:text-foreground"
-          >
-            Reset
-            <X className="ml-2 h-4 w-4" />
-          </Button>
-        )}
       </div>
-    </div>
+    </FilterBar>
   )
 }
-