iter(g65): verify 校验文档 props 落到实现，并补齐漏记字段

packages/skin/ui/ua.manifest.json

@@ -154,6 +154,12 @@
             "n": "width",
             "t": "number",
             "d": "缩略图宽度像素，高度自适应；缺省走样式默认"
+          },
+          {
+            "n": "fallback",
+            "t": "string",
+            "df": "'图片加载失败'",
+            "d": "加载失败时缩略图内显示的占位文案；缺省「图片加载失败」"
           }
         ],
         "example": "image({ src: '/a.png', alt: '架构图', width: 160 })",
@@ -241,6 +247,12 @@
             "n": "suffix",
             "t": "string | HTMLElement",
             "d": "后置附加块（textField/inputNumber 在输入框内侧后、textarea 在下方）；缺省不渲染"
+          },
+          {
+            "n": "clearable",
+            "t": "boolean",
+            "df": "false",
+            "d": "开启后有值即显示一键清空按钮；缺省 false"
           }
         ],
         "example": "const name = signal(''); const el = textField({ value: name, placeholder: '输入名字…', onInput: (v) => console.log(v) })",
@@ -349,6 +361,11 @@
             "n": "suffix",
             "t": "string | HTMLElement",
             "d": "后置附加块（textField/inputNumber 在输入框内侧后、textarea 在下方）；缺省不渲染"
+          },
+          {
+            "n": "maxCount",
+            "t": "number",
+            "d": "字数上限：同时设原生 maxlength，并在下方附加块显示实时计数；缺省不限"
           }
         ],
         "example": "const bio = signal(''); textarea({ value: bio, rows: 4, placeholder: '一句话介绍…' })",
@@ -1271,6 +1288,12 @@
             "k": 1,
             "d": "翻页回调"
           },
+          {
+            "n": "jumpable",
+            "t": "boolean",
+            "df": "false",
+            "d": "末尾显示跳页输入框（总页数 > 1 才出现）；缺省 false"
+          },
           {
             "n": "pageSizes",
             "t": "number[]",