feat(components): 添加默认选中功能

- 在 Check、Radio、RadioGroup 和 Segments 组件中添加默认选中值属性
- 使用 onMount 在组件挂载时设置默认选中值
- 优化了组件的初始化逻辑，确保默认值能够正确显示

src/components/Segments.tsx

@@ -8,6 +8,7 @@ import {
   Index,
   JSX,
   mergeProps,
+  onMount,
   Show,
 } from 'solid-js';
 
@@ -20,6 +21,7 @@ interface SegmentsProps {
   name?: string;
   options: Option[];
   value?: Option['value'];
+  defaultValue?: Option['value'];
   direction?: 'horizontal' | 'vertical';
   disabled?: boolean;
   onChange?: (value: Option['value'] | undefined) => void;
@@ -43,6 +45,11 @@ const Segments: Component<SegmentsProps> = (props) => {
   const [indicatorHeight, setIndicatorHeight] = createSignal(0);
   const [indicatorWidth, setIndicatorWidth] = createSignal(0);
 
+  onMount(() => {
+    if (isNotNil(mProps.defaultValue)) {
+      setSelected(mProps.defaultValue);
+    }
+  });
   createEffect(() => {
     if (isNotNil(originalValue()) && originalValue() !== selected()) {
       setSelected(originalValue());