feat(ui): update manager interface and remove full stock display from /manage

public/app.js

@@ -92,9 +92,9 @@ function setRoute(path) {
     stockBtn.className = inactiveClass;
     managePage.classList.remove('hidden');
     stockPage.classList.add('hidden');
-    subTitle.textContent = 'Tablet Station';
+    subTitle.textContent = 'Manager';
     resetTabletManageStation();
-    renderTabletProductPicker();
+    renderTabletProductPicker('');
   }
 
   initLucide();
@@ -145,7 +145,8 @@ async function loadItems() {
       if (state.currentRoute === '/') {
         renderStockView();
       } else {
-        renderTabletProductPicker();
+        const query = document.getElementById('tablet-search-input')?.value || '';
+        renderTabletProductPicker(query);
       }
     }
   } catch (err) {
@@ -307,7 +308,8 @@ function renderStockView() {
 }
 
 // ----------------------------------------------------
-// ROUTE 2: /manage (TABLET STATION WORKFLOW)
+// ----------------------------------------------------
+// ROUTE 2: /manage (MANAGER WORKFLOW)
 // ----------------------------------------------------
 
 function resetTabletManageStation() {
@@ -315,7 +317,12 @@ function resetTabletManageStation() {
   state.manage.action = null;
   document.getElementById('tablet-step-select').classList.remove('hidden');
   document.getElementById('tablet-step-action').classList.add('hidden');
-  document.getElementById('tablet-search-input').value = '';
+  const searchInput = document.getElementById('tablet-search-input');
+  if (searchInput) searchInput.value = '';
+  const resultsContainer = document.getElementById('tablet-search-results-container');
+  if (resultsContainer) resultsContainer.classList.add('hidden');
+  const picker = document.getElementById('tablet-product-picker');
+  if (picker) picker.innerHTML = '';
 }
 
 function handleTabletSearch(val) {
@@ -331,27 +338,37 @@ function handleTabletSearch(val) {
 }
 
 function renderTabletProductPicker(filterQuery = '') {
-  const container = document.getElementById('tablet-product-picker');
-  if (!container) return;
+  const picker = document.getElementById('tablet-product-picker');
+  const resultsContainer = document.getElementById('tablet-search-results-container');
+  if (!picker || !resultsContainer) return;
 
   const query = filterQuery.toLowerCase().trim();
+  
+  // Only display search results if user has entered a search query
+  if (!query) {
+    resultsContainer.classList.add('hidden');
+    picker.innerHTML = '';
+    return;
+  }
+
+  resultsContainer.classList.remove('hidden');
+
   const matched = state.items.filter(i => {
-    if (!query) return true;
     return (i.name && i.name.toLowerCase().includes(query)) ||
            (i.brand && i.brand.toLowerCase().includes(query)) ||
            (i.barcode && i.barcode.includes(query));
   });
 
   if (matched.length === 0) {
-    container.innerHTML = `
-      <div class="col-span-full py-4 text-center text-xs text-slate-500">
-        No matching product found. Scan barcode or tap "Add Manually"!
+    picker.innerHTML = `
+      <div class="col-span-full py-4 text-center text-xs sm:text-sm text-slate-400">
+        No matching product found. Use "Scan Barcode" or tap "Add Manually".
       </div>
     `;
     return;
   }
 
-  container.innerHTML = matched.map(item => `
+  picker.innerHTML = matched.map(item => `
     <button 
       onclick="forwardToProductActionById(${item.id})" 
       class="p-3 rounded-2xl bg-slate-950 hover:bg-slate-800/80 border border-slate-800/90 text-left flex items-center gap-3 transition active:scale-95 touch-manipulation min-h-[52px]"
@@ -419,7 +436,6 @@ function forwardToProductAction(item) {
 
 function cancelActionAndReturnToManage() {
   resetTabletManageStation();
-  renderTabletProductPicker();
 }
 
 function setActionType(action) {