iter: e01 新增 inputNumber 数字输入组件（−/+ 步进 + 键盘上下调节，信号双向绑定，min/max/step 夹取）

.ua/backlog.json

@@ -276,6 +276,14 @@
       "id": "d29",
       "title": "menu 补 Home/End 跳转，与 select 键盘导航对称",
       "status": "done"
+    },
+    {
+      "id": "e01",
+      "title": "新增 inputNumber 数字输入组件",
+      "motivation": "数量、份数等离散数值输入是表单常见场景，纯 textField 缺少步进语义；加减按钮 + 键盘调节可复用既有 button 与信号双向绑定模式",
+      "acceptance": "packages/skin/ui 新增 inputNumber.ts：−/+ 按钮 + 输入框三段式，value 信号双向绑定，min/max/step 超界自动夹取，键盘 ↑↓ 调节，非法输入回滚，disabled 支持布尔或信号；只消费 --ua-* 令牌；导出、manifest、文档、llms-full.txt 同步；demo 加一节演示；npm run check 全绿",
+      "status": "done",
+      "notes": "inputNumber(props)：−/+ 复用 ghost button（自带微动画与 disabled 透传），输入框 inputmode=decimal，change 时 parseFloat 解析、非法回滚当前值；↑↓ 步进并 preventDefault；clamp 统一夹取 min/max（缺省 ±Infinity）；aria-label 三件套 + role=group；CSS 步进按钮收窄、tabular-nums；demo 新增 sec-inputnumber（与禁用态实例共用 qty 信号）；manifest/docs/llms-full/README 同步为 29 组件"
     }
   ]
 }

.ua/index.json

@@ -1,6 +1,6 @@
 {
   "$schema": "ui-arch-registry-index/0.1",
-  "generatedAt": "2026-10-23T09:12:34.151Z",
+  "generatedAt": "2026-10-23T09:49:54.480Z",
   "repoRoot": ".",
   "packages": [
     {
@@ -144,6 +144,7 @@
         "exports": [
           "button(props)：按钮，variant = primary | ghost | danger，disabled 支持布尔或信号禁用",
           "textField(props)：文本输入，value 信号双向绑定，disabled 支持布尔或信号禁用",
+          "inputNumber(props)：数字输入，−/+ 按钮 + 键盘 ↑↓ 调节，value 信号双向绑定，min/max/step 超界自动夹取",
           "textarea(props)：多行输入，value 信号双向绑定，disabled 支持布尔或信号禁用",
           "slider(props)：滑块，value 信号双向绑定，min/max/step 可配，原生 range 承载键盘交互，右侧可显示当前值",
           "checkbox(props)：复选框，checked 信号双向绑定，disabled 支持布尔或信号禁用",
@@ -297,6 +298,52 @@
               "在任意响应式位置用 name() 读取最新值，如 () => `你好，${name()}`"
             ]
           },
+          {
+            "id": "inputNumber",
+            "title": "数字输入 InputNumber",
+            "demo": "sec-inputnumber",
+            "props": [
+              {
+                "n": "value",
+                "t": "Signal<number>",
+                "r": 1,
+                "d": "当前值信号，双向绑定（按钮/键盘写回、外部赋值同步）"
+              },
+              {
+                "n": "min",
+                "t": "number",
+                "d": "最小值；缺省无下限"
+              },
+              {
+                "n": "max",
+                "t": "number",
+                "d": "最大值；缺省无上限"
+              },
+              {
+                "n": "step",
+                "t": "number",
+                "d": "步长；缺省 1",
+                "df": "1"
+              },
+              {
+                "n": "disabled",
+                "t": "boolean | Signal<boolean>",
+                "d": "禁用态：布尔直接置位，传信号则动态同步"
+              },
+              {
+                "n": "onChange",
+                "t": "(value: number) => void",
+                "k": 1,
+                "d": "值变化回调（已夹取到合法区间）"
+              }
+            ],
+            "example": "const qty = signal(1); const el = inputNumber({ value: qty, min: 1, max: 99, onChange: (v) => console.log(v) })",
+            "steps": [
+              "用 signal(1) 创建数字信号并传入 value 完成双向绑定",
+              "点击 −/+ 按钮或在输入框聚焦时按 ↑↓ 以 step 调节；直接输入在失焦或回车时解析",
+              "非法输入自动回滚为当前值；min/max 超界自动夹取，disabled 支持布尔或信号禁用"
+            ]
+          },
           {
             "id": "textarea",
             "title": "多行输入 Textarea",

.ua/iterations.log

@@ -34,3 +34,4 @@
 {"ts": "2026-10-23T09:11:42+00:00", "round": 27, "id": "d27", "result": "done", "commit": "fac74a3", "summary": "modal 焦点陷阱 + dialog 语义"}
 {"ts": "2026-10-23T09:11:42+00:00", "round": 28, "id": "d28", "result": "done", "commit": "", "summary": "drawer 焦点陷阱对齐 modal"}
 {"ts": "2026-10-23T09:12:49+00:00", "round": 29, "id": "d29", "result": "done", "commit": "", "summary": "menu Home/End 跳转对齐 select"}
+{"ts":"2026-10-23T17:50:14+08:00","id":"e01","result":"done","commit":"pending","summary":"新增 inputNumber 数字输入：−/+ 按钮 + 键盘上下步进，信号双向绑定，min/max/step 夹取，门禁全绿"}