feat: 更新发行申请表单，添加订阅开始和结束时间字段，优化日期验证逻辑

src/components/ui/datetime/index.vue

@@ -14,9 +14,10 @@ const props = defineProps<Props>();
 const emit = defineEmits<{
   (e: "update:value", value: string): void;
 }>();
-
+const model = defineModel({ type: String, required: true });
 function handleChange(value: string) {
   const formattedValue = props.formatterValue ? props.formatterValue(value) : new Date(value).toISOString();
+  model.value = formattedValue;
   props.onChange(formattedValue);
   emit("update:value", formattedValue);
 }
@@ -41,7 +42,7 @@ function formatDisplay(value: string) {
         :id="datetime"
         class="ui-datetime"
         done-text="Done"
-        presentation="date"
+        presentation="date-time"
         :show-default-buttons="true"
         :min="props.min"
         :max="props.max"