Seed additional products, improve left rail, improve search box, add visuals to buttons, rename working documents to working docs and improve left rail nav

frontend/src/routes/+page.svelte

@@ -100,6 +100,22 @@
     }).format(new Date(value));
   }
 
+  function greetingForAst() {
+    const astHour = Number(
+      new Intl.DateTimeFormat('en-AU', {
+        hour: 'numeric',
+        hour12: false,
+        timeZone: 'Australia/Brisbane'
+      }).format(new Date())
+    );
+
+    return astHour < 12 ? 'Good morning' : 'Good evening';
+  }
+
+  function firstName(name: string | null | undefined) {
+    return name?.trim().split(/\s+/)[0] ?? 'there';
+  }
+
   function findHighestProduct(products: ProductCostBreakdown[]) {
     return [...products].sort((left, right) => right.finished_product_delivered - left.finished_product_delivered)[0];
   }
@@ -393,7 +409,7 @@
       <p class="eyebrow">Client Workspace</p>
       <span class="release-pill">{releaseStage}</span>
     </div>
-    <h2>Hunter Premium Produce costing overview.</h2>
+    <h2>{greetingForAst()}, {firstName($clientSession?.name)}</h2>
     <p>Track input pricing, mix performance, and delivered product outcomes from one client-facing workspace.</p>
   </div>