fix tax log

frontend/src/lib/ui/PageHeader.svelte

@@ -0,0 +1,27 @@
+<!-- [DEF:PageHeader:Component] -->
+<!--
+@TIER: TRIVIAL
+@SEMANTICS: page-header, layout-atom
+@PURPOSE:   Standardized page header with title and action area.
+@LAYER:     Atom
+-->
+
+<script lang="ts">
+  // [SECTION: PROPS]
+  export let title: string = "";
+  // [/SECTION: PROPS]
+</script>
+
+<!-- [SECTION: TEMPLATE] -->
+<header class="flex items-center justify-between mb-8">
+  <div class="space-y-1">
+    <h1 class="text-3xl font-bold tracking-tight text-gray-900">{title}</h1>
+    <slot name="subtitle" />
+  </div>
+  <div class="flex items-center gap-4">
+    <slot name="actions" />
+  </div>
+</header>
+<!-- [/SECTION: TEMPLATE] -->
+
+<!-- [/DEF:PageHeader:Component] -->