feat: Add command documentation dialog

Introduce a modal dialog that displays documentation for all available
markdown commands, accessible via a '?' button in the header.

src/App.tsx

@@ -3,11 +3,17 @@ import { useLocation } from "@solidjs/router";
 
 // 导入组件以注册自定义元素
 import "./components";
-import { Article, MobileSidebar, DesktopSidebar } from "./components";
+import {
+  Article,
+  MobileSidebar,
+  DesktopSidebar,
+  DocDialog,
+} from "./components";
 
 const App: Component = () => {
   const location = useLocation();
   const [isSidebarOpen, setIsSidebarOpen] = createSignal(false);
+  const [isDocOpen, setIsDocOpen] = createSignal(false);
 
   const currentPath = createMemo(() => {
     // 根据路由加载对应的 markdown 文件
@@ -40,6 +46,14 @@ const App: Component = () => {
             ☰
           </button>
           <h1 class="text-2xl font-bold text-gray-900">TTRPG Tools</h1>
+          <div class="flex-1" />
+          <button
+            onClick={() => setIsDocOpen(true)}
+            class="w-8 h-8 rounded-full border border-gray-300 text-gray-500 hover:text-gray-700 hover:border-gray-400 flex items-center justify-center text-sm font-medium"
+            title="指令文档"
+          >
+            ?
+          </button>
         </div>
       </header>
       {/* fill th rest of the space*/}
@@ -48,6 +62,7 @@ const App: Component = () => {
           <Article class="prose-sm max-w-full flex-1" src={currentPath()} />
         </main>
       </div>
+      <DocDialog isOpen={isDocOpen()} onClose={() => setIsDocOpen(false)} />
     </div>
   );
 };

src/components/DocDialog.tsx

@@ -0,0 +1,170 @@
+import {
+  Component,
+  createSignal,
+  For,
+  Show,
+  onCleanup,
+  onMount,
+} from "solid-js";
+import { docEntries, type DocEntry } from "./doc-data";
+
+export interface DocDialogProps {
+  isOpen: boolean;
+  onClose: () => void;
+}
+
+const DocDialog: Component<DocDialogProps> = (props) => {
+  const [selectedTag, setSelectedTag] = createSignal(docEntries[0]?.tag ?? "");
+
+  const selectedEntry = () =>
+    docEntries.find((e) => e.tag === selectedTag()) ?? docEntries[0];
+
+  const handleKeyDown = (e: KeyboardEvent) => {
+    if (e.key === "Escape") props.onClose();
+  };
+
+  onMount(() => {
+    document.addEventListener("keydown", handleKeyDown);
+  });
+
+  onCleanup(() => {
+    document.removeEventListener("keydown", handleKeyDown);
+  });
+
+  return (
+    <Show when={props.isOpen}>
+      <div
+        class="fixed inset-0 bg-black/50 z-50 flex items-center justify-center p-4"
+        onClick={(e) => {
+          if (e.target === e.currentTarget) props.onClose();
+        }}
+      >
+        <div class="bg-white rounded-lg shadow-2xl w-full max-w-4xl max-h-[85vh] flex flex-col overflow-hidden">
+          <div class="flex items-center justify-between px-6 py-4 border-b border-gray-200 shrink-0">
+            <h2 class="text-lg font-bold text-gray-900">指令组件文档</h2>
+            <button
+              onClick={props.onClose}
+              class="text-gray-400 hover:text-gray-600 text-xl leading-none p-1"
+              title="关闭"
+            >
+              ✕
+            </button>
+          </div>
+
+          <div class="flex flex-1 min-h-0">
+            <nav class="w-48 shrink-0 border-r border-gray-200 overflow-y-auto p-3 bg-gray-50">
+              <For each={docEntries}>
+                {(entry) => (
+                  <button
+                    onClick={() => setSelectedTag(entry.tag)}
+                    class={`w-full text-left px-3 py-2 rounded mb-1 text-sm transition-colors ${
+                      selectedTag() === entry.tag
+                        ? "bg-blue-100 text-blue-800 font-medium"
+                        : "text-gray-700 hover:bg-gray-100"
+                    }`}
+                  >
+                    <span class="mr-2">{entry.icon}</span>
+                    <span class="font-mono text-xs">{`:${entry.tag}`}</span>
+                  </button>
+                )}
+              </For>
+            </nav>
+
+            <div class="flex-1 overflow-y-auto p-6">
+              <Show when={selectedEntry()} keyed>
+                {(entry) => <DocContent entry={entry} />}
+              </Show>
+            </div>
+          </div>
+        </div>
+      </div>
+    </Show>
+  );
+};
+
+/** Single entry documentation content */
+const DocContent: Component<{ entry: DocEntry }> = (props) => {
+  const e = props.entry;
+
+  return (
+    <div class="max-w-none">
+      <h2 class="text-2xl font-bold text-gray-900 mb-2">
+        {e.icon} {e.title}
+        <code class="ml-3 text-base font-mono bg-gray-100 px-2 py-0.5 rounded text-blue-700">
+          :{e.tag}
+        </code>
+      </h2>
+
+      <p class="text-gray-600 mb-6">{e.description}</p>
+
+      <div class="mb-6">
+        <h3 class="text-sm font-semibold text-gray-500 uppercase mb-2">
+          基本语法
+        </h3>
+        <pre class="bg-gray-900 text-gray-100 px-4 py-3 rounded-lg text-sm overflow-x-auto">
+          <code>{e.syntax}</code>
+        </pre>
+      </div>
+
+      <Show when={e.props.length > 0}>
+        <div class="mb-6">
+          <h3 class="text-sm font-semibold text-gray-500 uppercase mb-2">
+            属性
+          </h3>
+          <table class="w-full text-sm border-collapse">
+            <thead>
+              <tr class="border-b border-gray-200">
+                <th class="text-left py-2 pr-4 font-medium text-gray-600">
+                  属性
+                </th>
+                <th class="text-left py-2 pr-4 font-medium text-gray-600">
+                  类型
+                </th>
+                <th class="text-left py-2 pr-4 font-medium text-gray-600">
+                  默认值
+                </th>
+                <th class="text-left py-2 font-medium text-gray-600">说明</th>
+              </tr>
+            </thead>
+            <tbody>
+              <For each={e.props}>
+                {(prop) => (
+                  <tr class="border-b border-gray-100">
+                    <td class="py-2 pr-4">
+                      <code class="bg-gray-100 px-1.5 py-0.5 rounded text-xs text-pink-700">
+                        {prop.name}
+                      </code>
+                    </td>
+                    <td class="py-2 pr-4">
+                      <code class="text-xs text-gray-600">{prop.type}</code>
+                    </td>
+                    <td class="py-2 pr-4 text-xs text-gray-400">
+                      {prop.default ?? "—"}
+                    </td>
+                    <td class="py-2 text-sm text-gray-600">{prop.desc}</td>
+                  </tr>
+                )}
+              </For>
+            </tbody>
+          </table>
+        </div>
+      </Show>
+
+      <div class="mb-6">
+        <h3 class="text-sm font-semibold text-gray-500 uppercase mb-2">示例</h3>
+        <div class="bg-gray-50 border border-gray-200 rounded-lg p-4 text-sm leading-relaxed whitespace-pre-wrap font-mono text-gray-800">
+          {e.examples}
+        </div>
+      </div>
+
+      <div>
+        <h3 class="text-sm font-semibold text-gray-500 uppercase mb-2">
+          使用场景
+        </h3>
+        <p class="text-sm text-gray-600">{e.usage}</p>
+      </div>
+    </div>
+  );
+};
+
+export default DocDialog;

src/components/doc-data.ts

@@ -0,0 +1,234 @@
+export interface DocEntry {
+  tag: string;
+  icon: string;
+  title: string;
+  description: string;
+  syntax: string;
+  props: { name: string; type: string; default?: string; desc: string }[];
+  examples: string;
+  usage: string;
+}
+
+export const docEntries: DocEntry[] = [
+  {
+    tag: "md-dice",
+    icon: "🎲",
+    title: "骰子组件",
+    description: "点击文字执行掷骰，可用于属性检定、伤害投掷等场景。",
+    syntax: ':md-dice[2d6+d8]{key="attack"}',
+    props: [
+      { name: "key", type: "string", desc: "URL 参数标识，结果记录到 ?dice-key=15" },
+    ],
+    examples: `**攻击检定：** :md-dice[1d20+5]{key="attack"}
+
+**伤害掷骰：** :md-dice[2d6+3]{key="damage"}
+
+**优势检定：** :md-dice[2d20k1+5]{key="advantage"}
+
+点击掷骰文字执行投掷，再次点击重置为公式。`,
+    usage: "用于技能检定、攻击命中、伤害计算等需要随机数的场景。",
+  },
+  {
+    tag: "md-table",
+    icon: "📊",
+    title: "表格组件",
+    description: "将 CSV 数据转换为可切换标签页的表格，支持随机抽取和变量引用。",
+    syntax: ':md-table[./data.csv]{roll=true remix=true}',
+    props: [
+      { name: "roll", type: "boolean", desc: "显示随机切换按钮" },
+      { name: "remix", type: "boolean", desc: "支持 {{prop}} 引用同行其他列" },
+    ],
+    examples: `**基础表格：**
+\`\`\`markdown
+:md-table[./npcs.csv]
+\`\`\`
+
+**带随机抽取：**
+\`\`\`markdown
+:md-table[./encounters.csv]{roll=true}
+\`\`\`
+
+**随机 + 变量引用：**
+\`\`\`markdown
+:md-table[./quests.csv]{roll=true remix=true}
+\`\`\`
+
+CSV 要求包含 label, body 列，可选 group 列分组。支持 YAML front matter 继承行属性。`,
+    usage: "用于 NPC 列表、遭遇表、宝物生成、随机事件等结构化数据。",
+  },
+  {
+    tag: "md-link",
+    icon: "🔗",
+    title: "链接组件",
+    description: "点击链接在当前页面内展开显示目标文章内容，支持章节定位。",
+    syntax: ':md-link[./rules.md#combat]',
+    props: [],
+    examples: `**展开完整文档：**
+:md-link[./rules.md]
+
+**展开特定章节：**
+:md-link[./rules.md#combat]
+
+点击链接即可内联展开目标内容，再次点击折叠。`,
+    usage: "用于引用规则书章节、怪物数据、快速预览等场景。",
+  },
+  {
+    tag: "md-pins",
+    icon: "📍",
+    title: "标记组件",
+    description: "在地图或图片上添加可编辑或固定的位置标记，支持字母或数字标签。",
+    syntax: ':md-pins[./images/map.png]{pins="A:30,40 B:10,30" fixed}',
+    props: [
+      { name: "pins", type: "string", default: '""', desc: '标记列表，格式 "A:x,y B:x,y"' },
+      { name: "fixed", type: "boolean", default: "false", desc: "固定模式（只读不可编辑）" },
+      { name: "labelStart", type: "string", default: '"A"', desc: "标签起始值，支持字母或数字" },
+    ],
+    examples: `**固定标记（只读）：**
+:md-pins[./images/battle-map.png]{pins="A:25,50 B:75,30" fixed}
+
+**可编辑标记：**
+:md-pins[./images/blank-map.png]
+
+**数字标签：**
+:md-pins[./images/dungeon.png]{labelStart="1"}
+
+非 fixed 模式下点击图片添加标记，点击标记删除。`,
+    usage: "用于战斗地图标注、地牢房间标记、任务地点指示等。",
+  },
+  {
+    tag: "md-bg",
+    icon: "🖼️",
+    title: "背景组件",
+    description: "将图片设置为当前文章卡片的背景，支持多种适配方式。",
+    syntax: ':md-bg[./images/dungeon-bg.jpg]{fit="cover"}',
+    props: [
+      { name: "fit", type: "cover | contain | fill | none | scale-down", default: "cover", desc: "背景适配方式" },
+    ],
+    examples: `**设置背景图：**
+:md-bg[./images/dungeon-bg.jpg]{fit="cover"}
+
+背景图自动覆盖整个卡片区域，配合文章内容营造沉浸氛围。`,
+    usage: "用于营造场景氛围，如地牢、森林、城镇等不同环境的背景。",
+  },
+  {
+    tag: "md-font",
+    icon: "🔤",
+    title: "字体组件",
+    description: "设置整个文档的字体，支持 Google Fonts、emfont 和系统本地字体三种来源。",
+    syntax: ':md-font[Noto Sans SC]{source="google" weight="400"}',
+    props: [
+      { name: "source", type: "google | emfont | local", default: "local", desc: "字体来源" },
+      { name: "weight", type: "string", default: '"400"', desc: "字体粗细" },
+    ],
+    examples: `**Google 字体：**
+:md-font[Noto Sans SC]{source="google"}
+
+**Emfont 字体：**
+:md-font[Source Han Serif]{source="emfont" weight="700"}
+
+**本地字体（默认）：**
+:md-font[STSong]
+
+字体将应用到整个文档卡片。`,
+    usage: "用于切换文档的显示字体，适配不同风格需求。",
+  },
+  {
+    tag: "md-embed",
+    icon: "📄",
+    title: "嵌入组件",
+    description: "将另一个 Markdown 文件的内容内联嵌入到当前文档中。",
+    syntax: ':md-embed[./rules.md#combat]',
+    props: [],
+    examples: `**嵌入完整文档：**
+:md-embed[./rules.md]
+
+**嵌入指定章节：**
+:md-embed[./rules.md#combat]
+
+嵌入后内容直接在当前位置显示，包括其中的表格、骰子等组件也会正常渲染。`,
+    usage: "用于在文档中引用通用规则、重复使用的数据表格等。",
+  },
+  {
+    tag: "md-deck",
+    icon: "🃏",
+    title: "卡牌组件",
+    description: "将 CSV 数据渲染为卡牌布局，支持自定义网格和图层的排版。",
+    syntax: ':md-deck[./cards.csv]{grid="5x8" layers="title:1,1-5,1f8 body:1,5-8,8f3"}',
+    props: [
+      { name: "grid", type: "string", desc: "卡牌布局，格式 行x列" },
+      { name: "layers", type: "string", desc: "图层定义，格式 字段:行,列-列,字号" },
+    ],
+    examples: `**基础卡牌：**
+:md-deck[./spells.csv]{grid="3x3"}
+
+**多层卡牌：**
+:md-deck[./cards.csv]{grid="5x8" layers="title:1,1-5,1f8 body:1,5-8,8f3"}
+
+CSV 包含 label 和显示字段列，通过图层定义控制各字段的位置和大小。`,
+    usage: "用于法术卡、物品卡、NPC 卡等可打印的卡牌排版。",
+  },
+  {
+    tag: "md-yarn-spinner",
+    icon: "🧶",
+    title: "叙事线组件",
+    description: "展示 Yarn Spinner 格式的分支叙事结构，支持对话选择和分支。",
+    syntax: ':md-yarn-spinner[./story.yarn]',
+    props: [],
+    examples: `**加载叙事文件：**
+:md-yarn-spinner[./story.yarn]
+
+Yarn Spinner 是用于游戏对话系统的格式，支持选项、条件分支和变量。`,
+    usage: "用于互动故事、分支对话、冒险剧本等。",
+  },
+  {
+    tag: "md-token",
+    icon: "🪙",
+    title: "代币组件",
+    description: "展示游戏代币或棋子的图片。",
+    syntax: ':md-token[./token.png]',
+    props: [],
+    examples: `**展示代币：**
+:md-token[./goblin.png]
+
+代币图片自动渲染为圆形，适合战棋或卡牌中的棋子展示。`,
+    usage: "用于展示怪物代币、角色棋子、道具图标等。",
+  },
+  {
+    tag: "md-token-viewer",
+    icon: "🎨",
+    title: "代币预览组件",
+    description: "使用 Three.js 在浏览器中 3D 渲染 3MF 格式的代币模型，支持旋转查看。",
+    syntax: ':md-token-viewer[./token.3mf]',
+    props: [],
+    examples: `**3D 预览模型：**
+:md-token-viewer[./dragon.3mf]
+
+支持鼠标拖拽旋转和自动旋转，从多角度查看模型细节。`,
+    usage: "用于 3D 打印前的代币模型预览。",
+  },
+  {
+    tag: "md-commander",
+    icon: "📋",
+    title: "命令追踪器",
+    description: "支持命令历史和游戏状态追踪，使用类 Emmet 语法创建追踪项。",
+    syntax: ':md-commander',
+    props: [],
+    examples: `**追踪 NPC 血量和防御：**
+\`\`\`
+track npc#john.dwarf.warrior[hp=4/4 ac=15 name="John"]
+\`\`\`
+
+**语法规则：**
+- \`#id\` 设置 ID
+- \`.class\` 添加类别
+- \`[attr=value]\` 设置属性
+
+**属性类型：**
+| 格式 | 显示 |
+|---|---|
+| x/y | 进度条 |
+| 整数 | 计数器 |
+| 文本 | 文本字段 |`,
+    usage: "用于追踪战斗中的 NPC 血量、AC、状态等游戏信息。",
+  },
+];

src/components/index.ts

@@ -18,6 +18,8 @@ export type { ArticleProps } from "./Article";
 export { MobileSidebar, DesktopSidebar } from "./Sidebar";
 export type { SidebarProps } from "./Sidebar";
 export { FileTreeNode, HeadingNode } from "./FileTree";
+export { default as DocDialog } from "./DocDialog";
+export type { DocDialogProps } from "./DocDialog";
 
 // 导出数据类型
 export type { DiceProps } from "./md-dice";