用 bun fmt 格式化全部代码和文档

- bunfig.toml 的 [fmt]：不写分号、单引号、一行最长 160，和原来的写法一致
- .prettierignore：docs/教材摘要/ 是书上的摘录，不格式化
- 模板里一行写两条语句的事件处理（@keydown.delete、@dblclick）改成调用方法：去掉分号后拆成两行，Vue 编译不过

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

web/tsconfig.json

@@ -3,27 +3,14 @@
     "target": "ES2023",
     "module": "ESNext",
     "moduleResolution": "bundler",
-    "lib": [
-      "ES2023",
-      "DOM",
-      "DOM.Iterable"
-    ],
+    "lib": ["ES2023", "DOM", "DOM.Iterable"],
     "jsx": "preserve",
     "strict": true,
     "noEmit": true,
     "skipLibCheck": true,
     "verbatimModuleSyntax": true,
-    "types": [
-      "vite/client"
-    ]
+    "types": ["vite/client"]
   },
-  "include": [
-    "src/**/*.ts",
-    "src/**/*.vue",
-    "vite.config.ts",
-    "../shared"
-  ],
-  "exclude": [
-    "src/**/*.test.ts"
-  ]
+  "include": ["src/**/*.ts", "src/**/*.vue", "vite.config.ts", "../shared"],
+  "exclude": ["src/**/*.test.ts"]
 }