diff --git a/eslint.config.js b/eslint.config.js
new file mode 100644
index 0000000..a540ef0
--- /dev/null
+++ b/eslint.config.js
@@ -0,0 +1,18 @@
+import js from '@eslint/js';
+
+export default [
+  { ignores: ['**/node_modules/**', '**/dist/**', '**/storybook-static/**', '.storybook/**'] },
+  js.configs.recommended,
+  {
+    files: ['**/*.{js,mjs}'],
+    languageOptions: {
+      ecmaVersion: 2022,
+      sourceType: 'module',
+      globals: {
+        window: 'readonly',
+        document: 'readonly',
+        console: 'readonly',
+      },
+    },
+  },
+];
diff --git a/package-lock.json b/package-lock.json
index 21ab167..634db5c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,6 +9,7 @@
       "version": "0.1.0",
       "license": "MIT",
       "devDependencies": {
+        "@eslint/js": "^10.0.1",
         "@storybook/addon-essentials": "^8.6.14",
         "@storybook/vue3": "^8.6.14",
         "@storybook/vue3-vite": "^8.6.14",
@@ -618,6 +619,27 @@
         "node": ">=18"
       }
     },
+    "node_modules/@eslint/js": {
+      "version": "10.0.1",
+      "resolved": "http://verdaccio:4873/@eslint/js/-/js-10.0.1.tgz",
+      "integrity": "sha512-zeR9k5pd4gxjZ0abRoIaxdc7I3nDktoXZk2qOv9gCNWx3mVwEn32VRhyLaRsDiJjTs0xq/T8mfPtyuXu7GWBcA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": "^20.19.0 || ^22.13.0 || >=24"
+      },
+      "funding": {
+        "url": "https://eslint.org/donate"
+      },
+      "peerDependencies": {
+        "eslint": "^10.0.0"
+      },
+      "peerDependenciesMeta": {
+        "eslint": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@isaacs/cliui": {
       "version": "8.0.2",
       "resolved": "https://registry.npmjs.org/@isaacs/cliui/-/cliui-8.0.2.tgz",
diff --git a/package.json b/package.json
index 95a4d0a..2ecac79 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,7 @@
     "vue": "^3.4.0"
   },
   "devDependencies": {
+    "@eslint/js": "^10.0.1",
     "@storybook/addon-essentials": "^8.6.14",
     "@storybook/vue3": "^8.6.14",
     "@storybook/vue3-vite": "^8.6.14",
diff --git a/src/TransForm.vue b/src/TransForm.vue
index a7ac6e4..b7944bd 100644
--- a/src/TransForm.vue
+++ b/src/TransForm.vue
@@ -7,9 +7,7 @@ import {
   createFieldState,
   groupRows,
 } from './composables/useFilters.js';
-import HeadlessInput from './components/HeadlessInput.vue';
 import UnknownPlaceholder from './components/UnknownPlaceholder.vue';
-
 const props = defineProps({
   schema: { type: Array, default: () => [] },
   showReset: { type: Boolean, default: true },
@@ -39,13 +37,15 @@ function resolveComponent(fieldDef, kind) {
   const name = typeof raw === 'string' ? raw : 'input';
   const mapped = config.value.componentMap[name];
   if (mapped) return mapped;
-  if (name === 'input' || name === 'textarea' || name === 'number' || name === 'date') {
-    return HeadlessInput;
-  }
   console.warn(`[TransForm] unknown ${key}: "${name}"`);
   return UnknownPlaceholder;
 }
 
+function isNullQuery(fieldDef) {
+  const q = state[fieldDef.field]?.query;
+  return q === 'IS_NULL' || q === 'IS_NOT_NULL';
+}
+
 function emitChange() {
   emit('change', getFilters());
 }
@@ -125,10 +125,15 @@ defineExpose({ getFilters, setFilters, loadFilters, reset });
           <component
             :is="resolveComponent(fieldDef, 'value')"
             v-model="state[fieldDef.field].value"
-            :disabled="state[fieldDef.field]?.disabled"
+            :disabled="state[fieldDef.field]?.disabled || isNullQuery(fieldDef)"
             :read-only="state[fieldDef.field]?.readOnly"
             :name="typeof fieldDef['value-component'] === 'string' ? fieldDef['value-component'] : 'custom'"
             :placeholder="fieldDef['field-name']"
+            :field="fieldDef.field"
+            :field-name="fieldDef['field-name']"
+            :query-option="fieldDef['query-option'] || []"
+            :schema="fieldDef"
+            :options="fieldDef.options || []"
           />
         </div>
       </div>
diff --git a/src/components/HeadlessBetween.vue b/src/components/HeadlessBetween.vue
new file mode 100644
index 0000000..a623828
--- /dev/null
+++ b/src/components/HeadlessBetween.vue
@@ -0,0 +1,57 @@
+<script setup>
+import { computed } from 'vue';
+
+const props = defineProps({
+  modelValue: { type: [String, Number], default: '' },
+  disabled: { type: Boolean, default: false },
+  readOnly: { type: Boolean, default: false },
+  placeholder: { type: String, default: '' },
+  name: { type: String, default: '' },
+  field: { type: String, default: '' },
+  fieldName: { type: String, default: '' },
+  queryOption: { type: Array, default: () => [] },
+  schema: { type: Object, default: () => ({}) },
+  options: { type: Array, default: () => [] },
+});
+
+const emit = defineEmits(['update:modelValue']);
+
+const start = computed({
+  get() {
+    return String(props.modelValue ?? '').split(',')[0] ?? '';
+  },
+  set(value) {
+    const endVal = String(props.modelValue ?? '').split(',')[1] ?? '';
+    emit('update:modelValue', `${value ?? ''},${endVal}`);
+  },
+});
+
+const end = computed({
+  get() {
+    return String(props.modelValue ?? '').split(',')[1] ?? '';
+  },
+  set(value) {
+    const startVal = String(props.modelValue ?? '').split(',')[0] ?? '';
+    emit('update:modelValue', `${startVal},${value ?? ''}`);
+  },
+});
+</script>
+
+<template>
+  <input
+    class="tf-control tf-between-input"
+    type="text"
+    v-model="start"
+    :disabled="disabled"
+    :readonly="readOnly"
+    :placeholder="placeholder"
+  />
+  <input
+    class="tf-control tf-between-input"
+    type="text"
+    v-model="end"
+    :disabled="disabled"
+    :readonly="readOnly"
+    :placeholder="placeholder"
+  />
+</template>
diff --git a/src/components/HeadlessDate.vue b/src/components/HeadlessDate.vue
new file mode 100644
index 0000000..61ea926
--- /dev/null
+++ b/src/components/HeadlessDate.vue
@@ -0,0 +1,26 @@
+<script setup>
+defineProps({
+  modelValue: { type: [String, Number], default: '' },
+  disabled: { type: Boolean, default: false },
+  readOnly: { type: Boolean, default: false },
+  placeholder: { type: String, default: '' },
+  name: { type: String, default: '' },
+  field: { type: String, default: '' },
+  fieldName: { type: String, default: '' },
+  queryOption: { type: Array, default: () => [] },
+  schema: { type: Object, default: () => ({}) },
+  options: { type: Array, default: () => [] },
+});
+defineEmits(['update:modelValue']);
+</script>
+<template>
+  <input
+    class="tf-control tf-date"
+    type="date"
+    :value="modelValue"
+    :disabled="disabled"
+    :readonly="readOnly"
+    :placeholder="placeholder"
+    @input="$emit('update:modelValue', ($event.target).value)"
+  />
+</template>
diff --git a/src/components/HeadlessNumber.vue b/src/components/HeadlessNumber.vue
new file mode 100644
index 0000000..3f0f850
--- /dev/null
+++ b/src/components/HeadlessNumber.vue
@@ -0,0 +1,26 @@
+<script setup>
+defineProps({
+  modelValue: { type: [String, Number], default: '' },
+  disabled: { type: Boolean, default: false },
+  readOnly: { type: Boolean, default: false },
+  placeholder: { type: String, default: '' },
+  name: { type: String, default: '' },
+  field: { type: String, default: '' },
+  fieldName: { type: String, default: '' },
+  queryOption: { type: Array, default: () => [] },
+  schema: { type: Object, default: () => ({}) },
+  options: { type: Array, default: () => [] },
+});
+defineEmits(['update:modelValue']);
+</script>
+<template>
+  <input
+    class="tf-control tf-number"
+    type="number"
+    :value="modelValue"
+    :disabled="disabled"
+    :readonly="readOnly"
+    :placeholder="placeholder"
+    @input="$emit('update:modelValue', ($event.target).value)"
+  />
+</template>
diff --git a/src/components/HeadlessSelect.vue b/src/components/HeadlessSelect.vue
new file mode 100644
index 0000000..6871b80
--- /dev/null
+++ b/src/components/HeadlessSelect.vue
@@ -0,0 +1,33 @@
+<script setup>
+import { computed } from 'vue';
+
+const props = defineProps({
+  modelValue: { type: [String, Number], default: '' },
+  disabled: { type: Boolean, default: false },
+  readOnly: { type: Boolean, default: false },
+  placeholder: { type: String, default: '' },
+  name: { type: String, default: '' },
+  field: { type: String, default: '' },
+  fieldName: { type: String, default: '' },
+  queryOption: { type: Array, default: () => [] },
+  schema: { type: Object, default: () => ({}) },
+  options: { type: Array, default: () => [] },
+});
+defineEmits(['update:modelValue']);
+
+const list = computed(() => (props.options?.length ? props.options : props.queryOption));
+</script>
+
+<template>
+  <select
+    class="tf-control tf-select"
+    :value="modelValue"
+    :disabled="disabled || readOnly"
+    @change="$emit('update:modelValue', ($event.target).value)"
+  >
+    <option v-if="placeholder" value="" disabled>{{ placeholder }}</option>
+    <option v-for="opt in list" :key="opt.value" :value="opt.value">
+      {{ opt.label }}
+    </option>
+  </select>
+</template>
diff --git a/src/components/HeadlessTags.vue b/src/components/HeadlessTags.vue
new file mode 100644
index 0000000..09e2392
--- /dev/null
+++ b/src/components/HeadlessTags.vue
@@ -0,0 +1,97 @@
+<script setup>
+import { computed, ref } from 'vue';
+
+const props = defineProps({
+  modelValue: { type: [String, Number], default: '' },
+  disabled: { type: Boolean, default: false },
+  readOnly: { type: Boolean, default: false },
+  placeholder: { type: String, default: '' },
+  name: { type: String, default: '' },
+  field: { type: String, default: '' },
+  fieldName: { type: String, default: '' },
+  queryOption: { type: Array, default: () => [] },
+  schema: { type: Object, default: () => ({}) },
+  options: { type: Array, default: () => [] },
+});
+
+const emit = defineEmits(['update:modelValue']);
+
+const draft = ref('');
+
+const tags = computed(() => {
+  if (props.modelValue == null || props.modelValue === '') return [];
+  return String(props.modelValue)
+    .split(',')
+    .map((tag) => tag.trim())
+    .filter((tag) => tag.length > 0);
+});
+
+function emitTags(next) {
+  emit('update:modelValue', next.join(','));
+}
+
+function commitDraft() {
+  if (props.disabled || props.readOnly) return;
+  const parts = draft.value
+    .split(',')
+    .map((part) => part.trim())
+    .filter((part) => part.length > 0);
+  draft.value = '';
+  if (!parts.length) return;
+  emitTags([...tags.value, ...parts]);
+}
+
+function removeTag(index) {
+  if (props.disabled || props.readOnly) return;
+  const next = [...tags.value];
+  next.splice(index, 1);
+  emitTags(next);
+}
+
+function onKeydown(event) {
+  if (props.disabled || props.readOnly) return;
+  if (event.key === 'Enter' || event.key === ',') {
+    event.preventDefault();
+    commitDraft();
+  }
+}
+
+function onInput(event) {
+  if (props.disabled || props.readOnly) return;
+  const value = event.target.value;
+  draft.value = value;
+  if (value.includes(',')) {
+    commitDraft();
+  }
+}
+</script>
+
+<template>
+  <div class="tf-control tf-tags" :class="{ 'is-disabled': disabled }">
+    <span
+      v-for="(tag, index) in tags"
+      :key="`${tag}-${index}`"
+      class="tf-tag"
+    >
+      {{ tag }}
+      <button
+        type="button"
+        class="tf-tag-x"
+        :disabled="disabled || readOnly"
+        @click.stop="removeTag(index)"
+      >
+        ×
+      </button>
+    </span>
+    <input
+      class="tf-tag-input"
+      type="text"
+      :value="draft"
+      :disabled="disabled"
+      :readonly="readOnly"
+      :placeholder="placeholder"
+      @input="onInput"
+      @keydown="onKeydown"
+    />
+  </div>
+</template>
diff --git a/src/components/HeadlessTextarea.vue b/src/components/HeadlessTextarea.vue
new file mode 100644
index 0000000..020f6ad
--- /dev/null
+++ b/src/components/HeadlessTextarea.vue
@@ -0,0 +1,26 @@
+<script setup>
+defineProps({
+  modelValue: { type: [String, Number], default: '' },
+  disabled: { type: Boolean, default: false },
+  readOnly: { type: Boolean, default: false },
+  placeholder: { type: String, default: '' },
+  name: { type: String, default: '' },
+  field: { type: String, default: '' },
+  fieldName: { type: String, default: '' },
+  queryOption: { type: Array, default: () => [] },
+  schema: { type: Object, default: () => ({}) },
+  options: { type: Array, default: () => [] },
+});
+defineEmits(['update:modelValue']);
+</script>
+
+<template>
+  <textarea
+    class="tf-control tf-textarea"
+    :value="modelValue"
+    :disabled="disabled"
+    :readonly="readOnly"
+    :placeholder="placeholder"
+    @input="$emit('update:modelValue', ($event.target).value)"
+  ></textarea>
+</template>
diff --git a/src/config.js b/src/config.js
index 1da2748..63b406d 100644
--- a/src/config.js
+++ b/src/config.js
@@ -1,8 +1,30 @@
+import HeadlessInput from './components/HeadlessInput.vue';
+import HeadlessTextarea from './components/HeadlessTextarea.vue';
+import HeadlessSelect from './components/HeadlessSelect.vue';
+import HeadlessNumber from './components/HeadlessNumber.vue';
+import HeadlessDate from './components/HeadlessDate.vue';
+import HeadlessTags from './components/HeadlessTags.vue';
+import HeadlessBetween from './components/HeadlessBetween.vue';
+
+/**
+ * 内置控件映射（Q5/Q58）：字符串 value-component 先查这里，
+ * 用户通过 setConfig({ componentMap }) 可覆盖或新增。
+ */
+export const BUILTIN_COMPONENT_MAP = {
+  input: HeadlessInput,
+  textarea: HeadlessTextarea,
+  select: HeadlessSelect,
+  number: HeadlessNumber,
+  date: HeadlessDate,
+  tags: HeadlessTags,
+  between: HeadlessBetween,
+};
+
 /** @typedef {{ componentMap?: Record<string, import('vue').Component>, colRatio?: { name?: number, query?: number, value?: number }, changeEmit?: 'immediate'|'debounce'|'manual' }} TransFormConfig */
 
 /** @type {TransFormConfig & { componentMap: Record<string, import('vue').Component> }} */
 const globalConfig = {
-  componentMap: {},
+  componentMap: { ...BUILTIN_COMPONENT_MAP },
   colRatio: { name: 3, query: 2, value: 7 },
   changeEmit: 'immediate',
 };
@@ -28,7 +50,7 @@ export function getConfig() {
 }
 
 export function resetConfig() {
-  globalConfig.componentMap = {};
+  globalConfig.componentMap = { ...BUILTIN_COMPONENT_MAP };
   globalConfig.colRatio = { name: 3, query: 2, value: 7 };
   globalConfig.changeEmit = 'immediate';
 }
diff --git a/src/index.js b/src/index.js
index b19c39b..3f6065f 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,3 +1,12 @@
 import './styles/trans-form.css';
 
 export { default as TransFormPlugin, TransForm, setConfig, getConfig } from './plugin.js';
+
+export { default as HeadlessInput } from './components/HeadlessInput.vue';
+export { default as HeadlessTextarea } from './components/HeadlessTextarea.vue';
+export { default as HeadlessSelect } from './components/HeadlessSelect.vue';
+export { default as HeadlessNumber } from './components/HeadlessNumber.vue';
+export { default as HeadlessDate } from './components/HeadlessDate.vue';
+export { default as HeadlessTags } from './components/HeadlessTags.vue';
+export { default as HeadlessBetween } from './components/HeadlessBetween.vue';
+export { default as UnknownPlaceholder } from './components/UnknownPlaceholder.vue';
diff --git a/src/styles/trans-form.css b/src/styles/trans-form.css
index 90d0fe7..6ef1586 100644
--- a/src/styles/trans-form.css
+++ b/src/styles/trans-form.css
@@ -63,6 +63,67 @@
   font-size: 13px;
 }
 
+/* ---- tags（IN/NOT_IN 多值标签） ---- */
+.tf-tags {
+  display: flex;
+  flex-wrap: wrap;
+  align-items: center;
+  gap: 4px;
+  min-height: 32px;
+  cursor: text;
+}
+
+.tf-tags.is-disabled {
+  opacity: 0.65;
+}
+
+.tf-tag {
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+  background: #eef1f6;
+  border: 1px solid var(--tf-border);
+  border-radius: 4px;
+  padding: 2px 6px;
+  font-size: 13px;
+  line-height: 1.4;
+}
+
+.tf-tag-x {
+  border: none;
+  background: transparent;
+  color: var(--tf-label-color);
+  cursor: pointer;
+  font-size: 13px;
+  line-height: 1;
+  padding: 0 2px;
+}
+
+.tf-tag-x:hover {
+  color: #cf222e;
+}
+
+.tf-tag-input {
+  border: none;
+  outline: none;
+  background: transparent;
+  flex: 1;
+  min-width: 80px;
+  font-size: 13px;
+  padding: 2px;
+}
+
+/* ---- between（区间双输入） ---- */
+.tf-between {
+  display: flex;
+  align-items: center;
+  gap: var(--tf-gap);
+}
+
+.tf-between-input {
+  flex: 1;
+}
+
 .tf-actions {
   display: flex;
   gap: var(--tf-gap);
diff --git a/stories/TransForm.stories.js b/stories/TransForm.stories.js
index d7e519e..8a4a7de 100644
--- a/stories/TransForm.stories.js
+++ b/stories/TransForm.stories.js
@@ -21,11 +21,63 @@ const schema = [
   {
     row: 6,
     logic: 'OR',
-    'value-component': 'input',
+    'value-component': 'select',
+    field: 'status',
+    'field-name': '状态',
+    options: [
+      { value: 'active', label: '启用' },
+      { value: 'inactive', label: '停用' },
+    ],
+    'query-option': [
+      { value: 'EQ', label: '=', 'desc-cn': '等于' },
+      { value: 'NE', label: '≠', 'desc-cn': '不等于' },
+    ],
+  },
+  {
+    row: 4,
+    logic: 'AND',
+    'value-component': 'tags',
     field: 'tags',
     'field-name': '标签',
+    'in-ui': 'tags',
     'query-option': [{ value: 'IN', label: '∈', 'desc-cn': '包含任一' }],
   },
+  {
+    row: 4,
+    logic: 'AND',
+    'value-component': 'between',
+    field: 'created',
+    'field-name': '创建时间',
+    'between-ui': 'dual-input',
+    'query-option': [{ value: 'BETWEEN', label: '↔', 'desc-cn': '区间' }],
+  },
+  {
+    row: 4,
+    logic: 'AND',
+    'value-component': 'number',
+    field: 'age',
+    'field-name': '年龄',
+    'query-option': [
+      { value: 'GT', label: '>', 'desc-cn': '大于' },
+      { value: 'LT', label: '<', 'desc-cn': '小于' },
+    ],
+  },
+  {
+    row: 6,
+    logic: 'AND',
+    'value-component': 'date',
+    field: 'birthday',
+    'field-name': '生日',
+    'query-option': [{ value: 'EQ', label: '=', 'desc-cn': '等于' }],
+  },
+  {
+    row: 6,
+    logic: 'AND',
+    'value-component': 'textarea',
+    field: 'remark',
+    'field-name': '备注',
+    'query-option': [{ value: 'LIKE', label: '~', 'desc-cn': '包含' }],
+  },
 ];
 
 export const Default = {
diff --git a/test/controls.test.js b/test/controls.test.js
new file mode 100644
index 0000000..4c4b41e
--- /dev/null
+++ b/test/controls.test.js
@@ -0,0 +1,104 @@
+import { describe, expect, it } from 'vitest';
+import { mount } from '@vue/test-utils';
+import HeadlessTextarea from '../src/components/HeadlessTextarea.vue';
+import HeadlessSelect from '../src/components/HeadlessSelect.vue';
+import HeadlessNumber from '../src/components/HeadlessNumber.vue';
+import HeadlessDate from '../src/components/HeadlessDate.vue';
+import HeadlessTags from '../src/components/HeadlessTags.vue';
+import HeadlessBetween from '../src/components/HeadlessBetween.vue';
+
+describe('HeadlessTextarea', () => {
+  it('renders textarea and emits update:modelValue', async () => {
+    const wrapper = mount(HeadlessTextarea, { props: { modelValue: 'hi' } });
+    expect(wrapper.find('textarea').element.value).toBe('hi');
+    await wrapper.find('textarea').setValue('hello');
+    expect(wrapper.emitted('update:modelValue')[0]).toEqual(['hello']);
+  });
+});
+
+describe('HeadlessSelect', () => {
+  const options = [
+    { value: 'EQ', label: '=' },
+    { value: 'GT', label: '>' },
+  ];
+
+  it('renders options from props.options', () => {
+    const wrapper = mount(HeadlessSelect, { props: { modelValue: 'EQ', options } });
+    const opts = wrapper.findAll('option');
+    expect(opts).toHaveLength(2);
+    expect(opts[0].text()).toBe('=');
+  });
+
+  it('falls back to queryOption when options empty', () => {
+    const wrapper = mount(HeadlessSelect, {
+      props: { modelValue: 'EQ', queryOption: options, options: [] },
+    });
+    expect(wrapper.findAll('option')).toHaveLength(2);
+  });
+
+  it('emits on change', async () => {
+    const wrapper = mount(HeadlessSelect, { props: { modelValue: 'EQ', options } });
+    await wrapper.find('select').setValue('GT');
+    expect(wrapper.emitted('update:modelValue')[0]).toEqual(['GT']);
+  });
+});
+
+describe('HeadlessNumber', () => {
+  it('emits number input', async () => {
+    const wrapper = mount(HeadlessNumber, { props: { modelValue: 3 } });
+    expect(wrapper.find('input').attributes('type')).toBe('number');
+    await wrapper.find('input').setValue('7');
+    expect(wrapper.emitted('update:modelValue')[0]).toEqual(['7']);
+  });
+});
+
+describe('HeadlessDate', () => {
+  it('renders date input', () => {
+    const wrapper = mount(HeadlessDate, { props: { modelValue: '2026-08-07' } });
+    expect(wrapper.find('input').attributes('type')).toBe('date');
+    expect(wrapper.find('input').element.value).toBe('2026-08-07');
+  });
+});
+
+describe('HeadlessTags', () => {
+  it('renders tags from comma string', () => {
+    const wrapper = mount(HeadlessTags, { props: { modelValue: 'a,b,c' } });
+    expect(wrapper.findAll('.tf-tag')).toHaveLength(3);
+  });
+
+  it('adds tag on Enter', async () => {
+    const wrapper = mount(HeadlessTags, { props: { modelValue: 'a' } });
+    const input = wrapper.find('input');
+    await input.setValue('b');
+    await input.trigger('keydown', { key: 'Enter' });
+    expect(wrapper.emitted('update:modelValue').at(-1)).toEqual(['a,b']);
+  });
+
+  it('removes tag on x click', async () => {
+    const wrapper = mount(HeadlessTags, { props: { modelValue: 'a,b' } });
+    await wrapper.findAll('.tf-tag-x')[0].trigger('click');
+    expect(wrapper.emitted('update:modelValue').at(-1)).toEqual(['b']);
+  });
+
+  it('respects disabled', async () => {
+    const wrapper = mount(HeadlessTags, { props: { modelValue: 'a', disabled: true } });
+    await wrapper.find('input').trigger('keydown', { key: 'Enter' });
+    expect(wrapper.emitted('update:modelValue')).toBeUndefined();
+  });
+});
+
+describe('HeadlessBetween', () => {
+  it('splits modelValue into two inputs', () => {
+    const wrapper = mount(HeadlessBetween, { props: { modelValue: '1,10' } });
+    const inputs = wrapper.findAll('input');
+    expect(inputs).toHaveLength(2);
+    expect(inputs[0].element.value).toBe('1');
+    expect(inputs[1].element.value).toBe('10');
+  });
+
+  it('emits combined string on start change', async () => {
+    const wrapper = mount(HeadlessBetween, { props: { modelValue: '1,10' } });
+    await wrapper.findAll('input')[0].setValue('5');
+    expect(wrapper.emitted('update:modelValue').at(-1)).toEqual(['5,10']);
+  });
+});