feat(ux): M1/M2 移动端可用 — 导航汉堡抽屉 + 写作工具条不溢出
M1 左导航响应式抽屉:抽出 lib/nav/items.ts(条目数据+激活判定,纯逻辑+vitest) 共用于桌面静态侧栏(hidden lg:block)与移动汉堡抽屉。新增通用 Drawer(遮罩/ Esc 关闭/打开聚焦,复用 CommandPalette a11y 模式)+ NavDrawer + NavItems; LeftNav 改 <lg 隐藏,AppShell 顶栏加汉堡(aria-label 打开导航)。 M2 写作工具条不溢出 + 移动端可达章节/助手:Toolbar 改 flex-wrap,390px 不再 横切「尚未保存」;ChapterList/ChapterAssistant 抽出 *Content,Workbench 经 左/右 Drawer 在 <lg 触达目录/助手。 实景 390px 复验(browse):汉堡显示/静态导航隐藏/抽屉开合聚焦+Esc、工具条 两行不溢出、助手抽屉真注入面板。门禁:lint/typecheck 干净 · vitest 177 · build OK。
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58
apps/web/components/Drawer.tsx
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58
apps/web/components/Drawer.tsx
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"use client";
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import { useEffect, useRef, type ReactNode } from "react";
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interface DrawerProps {
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open: boolean;
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onClose: () => void;
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// 滑出方向:导航在左、本章助手在右。
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side?: "left" | "right";
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// 无障碍标签(role=dialog)。
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label: string;
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children: ReactNode;
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}
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// 移动端侧滑抽屉(<lg;遮罩点击 / Esc 关闭 + 打开聚焦面板)。
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// 复用命令面板的 a11y 模式(CommandPalette);桌面用静态布局,不渲染本抽屉。
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export function Drawer({
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open,
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onClose,
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side = "left",
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label,
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children,
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}: DrawerProps) {
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const panelRef = useRef<HTMLDivElement>(null);
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useEffect(() => {
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if (!open) return;
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const onKey = (e: KeyboardEvent): void => {
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if (e.key === "Escape") {
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e.preventDefault();
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onClose();
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}
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};
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window.addEventListener("keydown", onKey);
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panelRef.current?.focus();
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return () => window.removeEventListener("keydown", onKey);
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}, [open, onClose]);
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if (!open) return null;
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const sideClass = side === "left" ? "left-0 border-r" : "right-0 border-l";
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return (
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<div className="fixed inset-0 z-50 bg-black/30 lg:hidden" onClick={onClose}>
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<div
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ref={panelRef}
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tabIndex={-1}
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role="dialog"
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aria-modal="true"
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aria-label={label}
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onClick={(e) => e.stopPropagation()}
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className={`absolute top-0 h-full w-64 max-w-[80vw] overflow-auto border-line bg-panel py-4 shadow-paper outline-none ${sideClass}`}
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>
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{children}
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</div>
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</div>
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);
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}
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