feat(frontend): complete wrapping ALL PrimeVue UI components into Quant transparent adapter wrappers (QuantButton, QuantNumber, QuantToggleSwitch, QuantProgressBar, QuantDialog, QuantBadge, QuantMessage, QuantTag, QuantTree, QuantBreadcrumb, QuantPopover, QuantDrawer, QuantSkeleton, QuantCard, QuantTimeline, QuantAvatar, QuantDivider, QuantRating, QuantSlider, QuantColorPicker)

src/frontend/src/components/QuantAvatar.vue

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+<!-- PrimeVue Avatar Transparent Adapter Wrapper: QuantAvatar -->
+<template>
+  <Avatar
+    v-bind="$attrs"
+    :label="label"
+    :icon="icon"
+    :image="image"
+    :shape="shape || 'circle'"
+    :size="size || 'normal'"
+    class="quant-avatar font-bold text-xs"
+  >
+    <template v-for="(_, slotName) in $slots" :key="slotName" #[slotName]="slotProps">
+      <slot :name="slotName" v-bind="slotProps || {}"></slot>
+    </template>
+  </Avatar>
+</template>
+
+<script setup lang="ts">
+import Avatar from 'primevue/avatar';
+
+defineOptions({
+  inheritAttrs: false
+});
+
+defineProps<{
+  label?: string;
+  icon?: string;
+  image?: string;
+  shape?: 'square' | 'circle';
+  size?: 'normal' | 'large' | 'xlarge';
+}>();
+</script>

src/frontend/src/components/QuantBadge.vue

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+<!-- PrimeVue Badge Transparent Adapter Wrapper: QuantBadge -->
+<template>
+  <Badge
+    v-bind="$attrs"
+    :value="value"
+    :severity="severity"
+    class="quant-badge font-bold font-mono text-[11px]"
+  >
+    <template v-for="(_, slotName) in $slots" :key="slotName" #[slotName]="slotProps">
+      <slot :name="slotName" v-bind="slotProps || {}"></slot>
+    </template>
+  </Badge>
+</template>
+
+<script setup lang="ts">
+import Badge from 'primevue/badge';
+
+defineOptions({
+  inheritAttrs: false
+});
+
+defineProps<{
+  value?: string | number;
+  severity?: 'success' | 'info' | 'warn' | 'danger' | 'secondary' | 'contrast';
+}>();
+</script>

src/frontend/src/components/QuantBreadcrumb.vue

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+<!-- PrimeVue Breadcrumb Transparent Adapter Wrapper: QuantBreadcrumb -->
+<template>
+  <div class="quant-breadcrumb-wrapper text-xs font-medium text-slate-600">
+    <Breadcrumb
+      v-bind="$attrs"
+      :model="items || model"
+      :home="home"
+      class="bg-transparent p-0 text-xs"
+    >
+      <template v-for="(_, slotName) in $slots" :key="slotName" #[slotName]="slotProps">
+        <slot :name="slotName" v-bind="slotProps || {}"></slot>
+      </template>
+    </Breadcrumb>
+  </div>
+</template>
+
+<script setup lang="ts">
+import Breadcrumb from 'primevue/breadcrumb';
+
+defineOptions({
+  inheritAttrs: false
+});
+
+defineProps<{
+  items?: any[];
+  model?: any[];
+  home?: any;
+}>();
+</script>

src/frontend/src/components/QuantButton.vue

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+<!-- PrimeVue Button Transparent Adapter Wrapper: QuantButton -->
+<template>
+  <Button
+    v-bind="$attrs"
+    :label="label"
+    :icon="icon"
+    :loading="loading"
+    :disabled="disabled"
+    class="quant-button font-bold text-xs shadow-2xs transition-all duration-150"
+  >
+    <template v-for="(_, slotName) in $slots" :key="slotName" #[slotName]="slotProps">
+      <slot :name="slotName" v-bind="slotProps || {}"></slot>
+    </template>
+  </Button>
+</template>
+
+<script setup lang="ts">
+import Button from 'primevue/button';
+
+defineOptions({
+  inheritAttrs: false
+});
+
+defineProps<{
+  label?: string;
+  icon?: string;
+  loading?: boolean;
+  disabled?: boolean;
+}>();
+</script>

src/frontend/src/components/QuantCard.vue

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+<!-- PrimeVue Card Transparent Adapter Wrapper: QuantCard -->
+<template>
+  <Card v-bind="$attrs" class="quant-card border border-slate-300 rounded-lg shadow-sm bg-white overflow-hidden">
+    <template #title v-if="title || $slots.title">
+      <slot name="title">
+        <h4 class="text-sm font-extrabold text-slate-900">{{ title }}</h4>
+      </slot>
+    </template>
+    <template #subtitle v-if="subtitle || $slots.subtitle">
+      <slot name="subtitle">
+        <p class="text-xs text-slate-500 font-medium">{{ subtitle }}</p>
+      </slot>
+    </template>
+    <template #content>
+      <div class="text-xs text-slate-800">
+        <slot></slot>
+      </div>
+    </template>
+    <template #footer v-if="$slots.footer">
+      <slot name="footer"></slot>
+    </template>
+  </Card>
+</template>
+
+<script setup lang="ts">
+import Card from 'primevue/card';
+
+defineOptions({
+  inheritAttrs: false
+});
+
+defineProps<{
+  title?: string;
+  subtitle?: string;
+}>();
+</script>

src/frontend/src/components/QuantColorPicker.vue

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+<!-- PrimeVue ColorPicker Transparent Adapter Wrapper: QuantColorPicker -->
+<template>
+  <div class="quant-colorpicker-wrapper flex items-center gap-2">
+    <ColorPicker
+      v-bind="$attrs"
+      :modelValue="modelValue"
+      :disabled="disabled"
+      :format="format || 'hex'"
+      @update:modelValue="$emit('update:modelValue', $event)"
+    />
+    <label v-if="label" class="text-xs font-bold text-slate-800">
+      {{ label }}
+    </label>
+  </div>
+</template>
+
+<script setup lang="ts">
+import ColorPicker from 'primevue/colorpicker';
+
+defineOptions({
+  inheritAttrs: false
+});
+
+defineProps<{
+  label?: string;
+  modelValue?: string;
+  disabled?: boolean;
+  format?: 'hex' | 'rgb' | 'hsb';
+}>();
+
+defineEmits(['update:modelValue']);
+</script>

src/frontend/src/components/QuantDialog.vue

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+<!-- PrimeVue Dialog Transparent Adapter Wrapper: QuantDialog -->
+<template>
+  <Dialog
+    v-bind="$attrs"
+    :visible="visible"
+    :header="title || header || '알림'"
+    :modal="modal !== false"
+    :closable="closable !== false"
+    :dismissableMask="dismissableMask !== false"
+    class="quant-dialog max-w-lg w-full"
+    @update:visible="onVisibleChange"
+  >
+    <template v-for="(_, slotName) in $slots" :key="slotName" #[slotName]="slotProps">
+      <slot :name="slotName" v-bind="slotProps || {}"></slot>
+    </template>
+  </Dialog>
+</template>
+
+<script setup lang="ts">
+import Dialog from 'primevue/dialog';
+
+defineOptions({
+  inheritAttrs: false
+});
+
+defineProps<{
+  visible?: boolean;
+  title?: string;
+  header?: string;
+  modal?: boolean;
+  closable?: boolean;
+  dismissableMask?: boolean;
+}>();
+
+const emit = defineEmits(['update:visible', 'close']);
+
+const onVisibleChange = (val: boolean) => {
+  emit('update:visible', val);
+  if (!val) {
+    emit('close');
+  }
+};
+</script>

src/frontend/src/components/QuantDivider.vue

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+<!-- PrimeVue Divider Transparent Adapter Wrapper: QuantDivider -->
+<template>
+  <Divider
+    v-bind="$attrs"
+    :layout="layout || 'horizontal'"
+    :align="align"
+    class="quant-divider my-3 border-slate-200"
+  >
+    <template v-for="(_, slotName) in $slots" :key="slotName" #[slotName]="slotProps">
+      <slot :name="slotName" v-bind="slotProps || {}"></slot>
+    </template>
+  </Divider>
+</template>
+
+<script setup lang="ts">
+import Divider from 'primevue/divider';
+
+defineOptions({
+  inheritAttrs: false
+});
+
+defineProps<{
+  layout?: 'horizontal' | 'vertical';
+  align?: 'left' | 'center' | 'right' | 'top' | 'bottom';
+}>();
+</script>

src/frontend/src/components/QuantDrawer.vue

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+<!-- PrimeVue Drawer Transparent Adapter Wrapper: QuantDrawer -->
+<template>
+  <Drawer
+    v-bind="$attrs"
+    :visible="visible"
+    :position="position || 'left'"
+    :header="header || title"
+    class="quant-drawer"
+    @update:visible="onVisibleChange"
+  >
+    <template v-for="(_, slotName) in $slots" :key="slotName" #[slotName]="slotProps">
+      <slot :name="slotName" v-bind="slotProps || {}"></slot>
+    </template>
+  </Drawer>
+</template>
+
+<script setup lang="ts">
+import Drawer from 'primevue/drawer';
+
+defineOptions({
+  inheritAttrs: false
+});
+
+defineProps<{
+  visible?: boolean;
+  position?: 'left' | 'right' | 'top' | 'bottom';
+  header?: string;
+  title?: string;
+}>();
+
+const emit = defineEmits(['update:visible', 'close']);
+
+const onVisibleChange = (val: boolean) => {
+  emit('update:visible', val);
+  if (!val) {
+    emit('close');
+  }
+};
+</script>

src/frontend/src/components/QuantMessage.vue

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+<!-- PrimeVue Message Transparent Adapter Wrapper: QuantMessage -->
+<template>
+  <Message
+    v-bind="$attrs"
+    :severity="severity || 'info'"
+    :closable="closable"
+    class="quant-message text-xs font-medium my-1"
+  >
+    <template v-for="(_, slotName) in $slots" :key="slotName" #[slotName]="slotProps">
+      <slot :name="slotName" v-bind="slotProps || {}"></slot>
+    </template>
+  </Message>
+</template>
+
+<script setup lang="ts">
+import Message from 'primevue/message';
+
+defineOptions({
+  inheritAttrs: false
+});
+
+defineProps<{
+  severity?: 'success' | 'info' | 'warn' | 'error' | 'secondary' | 'contrast';
+  closable?: boolean;
+}>();
+</script>

src/frontend/src/components/QuantNumber.vue

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+<!-- PrimeVue InputNumber Transparent Adapter Wrapper: QuantNumber -->
+<template>
+  <div class="quant-number-wrapper flex flex-col gap-1 w-full">
+    <label v-if="label" class="text-xs font-bold text-slate-800">
+      {{ label }} <span v-if="required" class="text-rose-600">*</span>
+    </label>
+    <InputNumber
+      v-bind="$attrs"
+      :id="id"
+      :modelValue="numericValue"
+      :placeholder="placeholder || '0'"
+      :readonly="readonly"
+      :disabled="disabled"
+      locale="ko-KR"
+      :minFractionDigits="minFractionDigits || 0"
+      :maxFractionDigits="maxFractionDigits || 2"
+      inputClass="w-full h-9 px-3 border border-slate-300 rounded text-right font-mono text-xs text-slate-900 font-bold bg-white placeholder:text-slate-400 focus:ring-2 focus:ring-blue-500 focus:border-blue-500 focus:outline-none disabled:bg-slate-100 readonly:bg-slate-50"
+      @update:modelValue="handleInput"
+    >
+      <template v-for="(_, slotName) in $slots" :key="slotName" #[slotName]="slotProps">
+        <slot :name="slotName" v-bind="slotProps || {}"></slot>
+      </template>
+    </InputNumber>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { computed } from 'vue';
+import InputNumber from 'primevue/inputnumber';
+
+defineOptions({
+  inheritAttrs: false
+});
+
+const props = defineProps<{
+  id?: string;
+  label?: string;
+  modelValue?: string | number;
+  placeholder?: string;
+  required?: boolean;
+  readonly?: boolean;
+  disabled?: boolean;
+  minFractionDigits?: number;
+  maxFractionDigits?: number;
+}>();
+
+const emit = defineEmits(['update:modelValue', 'change']);
+
+const numericValue = computed(() => {
+  if (props.modelValue === undefined || props.modelValue === null || props.modelValue === '') return null;
+  const num = Number(String(props.modelValue).replace(/,/g, ''));
+  return isNaN(num) ? null : num;
+});
+
+const handleInput = (val: number | null) => {
+  const finalVal = val === null ? '' : String(val);
+  emit('update:modelValue', finalVal);
+  emit('change', finalVal);
+};
+</script>

src/frontend/src/components/QuantPopover.vue

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+<!-- PrimeVue Popover Transparent Adapter Wrapper: QuantPopover -->
+<template>
+  <Popover
+    ref="op"
+    v-bind="$attrs"
+    class="quant-popover shadow-xl border border-slate-200 rounded-lg p-3 text-xs"
+  >
+    <template v-for="(_, slotName) in $slots" :key="slotName" #[slotName]="slotProps">
+      <slot :name="slotName" v-bind="slotProps || {}"></slot>
+    </template>
+  </Popover>
+</template>
+
+<script setup lang="ts">
+import { ref } from 'vue';
+import Popover from 'primevue/popover';
+
+defineOptions({
+  inheritAttrs: false
+});
+
+const op = ref();
+
+const toggle = (event: any) => {
+  op.value?.toggle(event);
+};
+
+const show = (event: any) => {
+  op.value?.show(event);
+};
+
+const hide = () => {
+  op.value?.hide();
+};
+
+defineExpose({
+  toggle,
+  show,
+  hide
+});
+</script>

src/frontend/src/components/QuantProgressBar.vue

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+<!-- PrimeVue ProgressBar Transparent Adapter Wrapper: QuantProgressBar -->
+<template>
+  <div class="quant-progressbar-wrapper w-full flex flex-col gap-1">
+    <div v-if="label" class="flex justify-between text-xs font-bold text-slate-800">
+      <span>{{ label }}</span>
+      <span class="font-mono text-blue-600">{{ value }}%</span>
+    </div>
+    <ProgressBar
+      v-bind="$attrs"
+      :value="value"
+      :showValue="showValue !== false"
+      class="h-3 text-[10px] font-bold rounded overflow-hidden"
+    >
+      <template v-for="(_, slotName) in $slots" :key="slotName" #[slotName]="slotProps">
+        <slot :name="slotName" v-bind="slotProps || {}"></slot>
+      </template>
+    </ProgressBar>
+  </div>
+</template>
+
+<script setup lang="ts">
+import ProgressBar from 'primevue/progressbar';
+
+defineOptions({
+  inheritAttrs: false
+});
+
+defineProps<{
+  value?: number;
+  label?: string;
+  showValue?: boolean;
+}>();
+</script>

src/frontend/src/components/QuantRating.vue

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+<!-- PrimeVue Rating Transparent Adapter Wrapper: QuantRating -->
+<template>
+  <Rating
+    v-bind="$attrs"
+    :modelValue="modelValue"
+    :stars="stars || 5"
+    :cancel="cancel !== false"
+    :disabled="disabled"
+    :readonly="readonly"
+    class="quant-rating"
+    @update:modelValue="$emit('update:modelValue', $event)"
+  >
+    <template v-for="(_, slotName) in $slots" :key="slotName" #[slotName]="slotProps">
+      <slot :name="slotName" v-bind="slotProps || {}"></slot>
+    </template>
+  </Rating>
+</template>
+
+<script setup lang="ts">
+import Rating from 'primevue/rating';
+
+defineOptions({
+  inheritAttrs: false
+});
+
+defineProps<{
+  modelValue?: number;
+  stars?: number;
+  cancel?: boolean;
+  disabled?: boolean;
+  readonly?: boolean;
+}>();
+
+defineEmits(['update:modelValue']);
+</script>

src/frontend/src/components/QuantSkeleton.vue

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+<!-- PrimeVue Skeleton Transparent Adapter Wrapper: QuantSkeleton -->
+<template>
+  <Skeleton
+    v-bind="$attrs"
+    :width="width"
+    :height="height"
+    :shape="shape || 'rectangle'"
+    class="quant-skeleton animate-pulse bg-slate-200 rounded"
+  >
+    <template v-for="(_, slotName) in $slots" :key="slotName" #[slotName]="slotProps">
+      <slot :name="slotName" v-bind="slotProps || {}"></slot>
+    </template>
+  </Skeleton>
+</template>
+
+<script setup lang="ts">
+import Skeleton from 'primevue/skeleton';
+
+defineOptions({
+  inheritAttrs: false
+});
+
+defineProps<{
+  width?: string;
+  height?: string;
+  shape?: 'rectangle' | 'circle';
+}>();
+</script>

src/frontend/src/components/QuantSlider.vue

@@ -0,0 +1,38 @@
+<!-- PrimeVue Slider Transparent Adapter Wrapper: QuantSlider -->
+<template>
+  <div class="quant-slider-wrapper w-full flex flex-col gap-1">
+    <div v-if="label" class="flex justify-between text-xs font-bold text-slate-800">
+      <span>{{ label }}</span>
+      <span class="font-mono text-blue-600">{{ modelValue }}</span>
+    </div>
+    <Slider
+      v-bind="$attrs"
+      :modelValue="modelValue"
+      :min="min || 0"
+      :max="max || 100"
+      :step="step || 1"
+      :disabled="disabled"
+      class="w-full"
+      @update:modelValue="$emit('update:modelValue', $event)"
+    />
+  </div>
+</template>
+
+<script setup lang="ts">
+import Slider from 'primevue/slider';
+
+defineOptions({
+  inheritAttrs: false
+});
+
+defineProps<{
+  label?: string;
+  modelValue?: number | number[];
+  min?: number;
+  max?: number;
+  step?: number;
+  disabled?: boolean;
+}>();
+
+defineEmits(['update:modelValue']);
+</script>

src/frontend/src/components/QuantTag.vue

@@ -0,0 +1,28 @@
+<!-- PrimeVue Tag Transparent Adapter Wrapper: QuantTag -->
+<template>
+  <Tag
+    v-bind="$attrs"
+    :value="value"
+    :severity="severity"
+    :icon="icon"
+    class="quant-tag font-bold text-[11px] px-2 py-0.5 rounded shadow-2xs"
+  >
+    <template v-for="(_, slotName) in $slots" :key="slotName" #[slotName]="slotProps">
+      <slot :name="slotName" v-bind="slotProps || {}"></slot>
+    </template>
+  </Tag>
+</template>
+
+<script setup lang="ts">
+import Tag from 'primevue/tag';
+
+defineOptions({
+  inheritAttrs: false
+});
+
+defineProps<{
+  value?: string;
+  severity?: 'success' | 'info' | 'warn' | 'danger' | 'secondary' | 'contrast';
+  icon?: string;
+}>();
+</script>

src/frontend/src/components/QuantTimeline.vue

@@ -0,0 +1,27 @@
+<!-- PrimeVue Timeline Transparent Adapter Wrapper: QuantTimeline -->
+<template>
+  <Timeline
+    v-bind="$attrs"
+    :value="items || value"
+    :align="align || 'left'"
+    class="quant-timeline text-xs"
+  >
+    <template v-for="(_, slotName) in $slots" :key="slotName" #[slotName]="slotProps">
+      <slot :name="slotName" v-bind="slotProps || {}"></slot>
+    </template>
+  </Timeline>
+</template>
+
+<script setup lang="ts">
+import Timeline from 'primevue/timeline';
+
+defineOptions({
+  inheritAttrs: false
+});
+
+defineProps<{
+  items?: any[];
+  value?: any[];
+  align?: 'left' | 'right' | 'alternate' | 'top' | 'bottom';
+}>();
+</script>

src/frontend/src/components/QuantToggleSwitch.vue

@@ -0,0 +1,41 @@
+<!-- PrimeVue ToggleSwitch Transparent Adapter Wrapper: QuantToggleSwitch -->
+<template>
+  <div class="quant-toggleswitch-wrapper flex items-center gap-2 cursor-pointer select-none">
+    <ToggleSwitch
+      v-bind="$attrs"
+      :id="id"
+      :modelValue="modelValue"
+      :disabled="disabled"
+      @update:modelValue="onChange"
+    >
+      <template v-for="(_, slotName) in $slots" :key="slotName" #[slotName]="slotProps">
+        <slot :name="slotName" v-bind="slotProps || {}"></slot>
+      </template>
+    </ToggleSwitch>
+    <label v-if="label" :for="id" class="text-xs font-bold text-slate-800 cursor-pointer">
+      {{ label }}
+    </label>
+  </div>
+</template>
+
+<script setup lang="ts">
+import ToggleSwitch from 'primevue/toggleswitch';
+
+defineOptions({
+  inheritAttrs: false
+});
+
+defineProps<{
+  id?: string;
+  modelValue?: boolean;
+  label?: string;
+  disabled?: boolean;
+}>();
+
+const emit = defineEmits(['update:modelValue', 'change']);
+
+const onChange = (val: boolean) => {
+  emit('update:modelValue', val);
+  emit('change', val);
+};
+</script>

src/frontend/src/components/QuantTree.vue

@@ -0,0 +1,33 @@
+<!-- PrimeVue Tree Transparent Adapter Wrapper: QuantTree -->
+<template>
+  <div class="quant-tree-wrapper w-full border border-slate-300 rounded p-2 bg-white text-xs">
+    <Tree
+      v-bind="$attrs"
+      :value="value"
+      :selectionMode="selectionMode"
+      :selectionKeys="selectionKeys"
+      class="w-full text-xs"
+      @update:selectionKeys="$emit('update:selectionKeys', $event)"
+    >
+      <template v-for="(_, slotName) in $slots" :key="slotName" #[slotName]="slotProps">
+        <slot :name="slotName" v-bind="slotProps || {}"></slot>
+      </template>
+    </Tree>
+  </div>
+</template>
+
+<script setup lang="ts">
+import Tree from 'primevue/tree';
+
+defineOptions({
+  inheritAttrs: false
+});
+
+defineProps<{
+  value?: any[];
+  selectionMode?: 'single' | 'multiple' | 'checkbox';
+  selectionKeys?: any;
+}>();
+
+defineEmits(['update:selectionKeys']);
+</script>