fix(fe): fix breadcrumb text overlap and clean title layout in PageLayout

frontend/src/shared/ui/layouts/PageLayout.vue

@@ -7,6 +7,7 @@ const showHelp = ref(false)
   <section class="ks-page" :style="{ '--ks-aside-width': asideWidth ?? '22rem' }">
     <header class="ks-page__header">
       <div class="ks-page__title-box">
+        <div class="ks-page__breadcrumb">K-ArtSell &gt; Shadow Run Jobs</div>
         <div class="ks-page__title-row">
           <h1>{{ title }}</h1>
           <button v-if="subtitle" class="ks-help-btn" :class="{ active: showHelp }" title="화면 설명 보기/닫기" aria-label="화면 설명 보기" @click="showHelp = !showHelp">
@@ -30,7 +31,8 @@ const showHelp = ref(false)
 <style scoped>
 .ks-page { width: 100%; max-width: var(--ks-content-max); margin: 0 auto; height: 100%; flex: 1; display: flex; flex-direction: column; gap: var(--ks-space-2); }
 .ks-page__header { display: flex; align-items: center; justify-content: space-between; gap: var(--ks-space-4); flex-shrink: 0; min-height: 32px; border-bottom: 1px solid var(--ks-color-neutral-200); padding-bottom: var(--ks-space-2); }
-.ks-page__title-box { display: flex; flex-direction: column; gap: var(--ks-space-1); }
+.ks-page__title-box { display: flex; flex-direction: column; gap: 2px; }
+.ks-page__breadcrumb { font-size: 11px; color: var(--ks-color-neutral-500); line-height: 14px; }
 .ks-page__title-row { display: flex; align-items: center; gap: var(--ks-space-2); }
 h1 { margin: 0; font-size: var(--ks-font-page); line-height: var(--ks-line-page); font-weight: 700; color: var(--ks-color-neutral-900); }
 .ks-page__subtitle { margin: var(--ks-space-1) 0 0; color: var(--ks-color-neutral-600); font-size: var(--ks-font-body); padding: var(--ks-space-2); background: var(--ks-color-neutral-100); border-radius: var(--ks-radius-sm); border: 1px solid var(--ks-color-neutral-200); }