diff --git a/specs/frontend/j5-shopping-list.html b/specs/frontend/j5-shopping-list.html
index fb6213f..3f8beea 100644
--- a/specs/frontend/j5-shopping-list.html
+++ b/specs/frontend/j5-shopping-list.html
@@ -132,7 +132,7 @@
   <div class="doc-header">
     <div>
       <h1>J5 — Shopping list</h1>
-      <p>Journey spec — Generate shopping list, real-time shared checklist</p>
+      <p>Journey spec — Generate shopping list, shared checklist</p>
     </div>
     <div class="doc-meta">
       v1.0<br/>
@@ -143,12 +143,12 @@
   <!-- ═══ J5 SHOPPING ═══ -->
   <div class="jh jh-b">
     <div class="jn">J5</div>
-    <div><h2>Generate shopping list</h2><p>Merge ingredients, filter staples. Always live and shared with household.</p><div class="fl">C1 → D1 (always live) · Planner generates · All members add/remove/check off</div></div>
+    <div><h2>Generate shopping list</h2><p>Merge ingredients, filter staples. Shared with household.</p><div class="fl">C1 → D1 · Planner generates · All members add/remove/check off</div></div>
   </div>
 
   <!-- ═══ D1 SHOPPING LIST ═══ -->
   <div class="scr" id="d1">
-    <div class="scr-head"><h3>Shopping list (live)</h3><span class="scr-id">D1</span></div>
+    <div class="scr-head"><h3>Shopping list</h3><span class="scr-id">D1</span></div>
     <div class="scr-desc">V1 Checklist with sources. Desktop: sidebar + topbar + two-column content — checklist on the left, a "This week's recipes" reference panel on the right that shows which recipes contributed which items. The panel is a page section (surface bg), not a card.</div>
     <div class="scr-var"><strong>V1 · Checklist with sources</strong> — desktop: list left, recipe reference right</div>
 
@@ -162,7 +162,7 @@
             <div style="padding:8px 12px;">
               <div style="background:var(--blue-tint);border:1px solid var(--blue-light);border-radius:var(--radius-lg);padding:8px 10px;display:flex;align-items:center;gap:8px;margin-bottom:10px;">
                 <div style="width:8px;height:8px;border-radius:50%;background:var(--blue);"></div>
-                <div style="font-size:11px;color:var(--blue-dark);">Shared with household · 2 members online</div>
+                <div style="font-size:11px;color:var(--blue-dark);">Shared with household</div>
               </div>
               <div class="eye" style="margin-bottom:4px;">5 items remaining</div>
               <div style="padding:0 4px;">
@@ -188,7 +188,7 @@
             <div class="dsb-nav"><div><div class="dsb-nl">Plan</div><div class="dsb-ni"><span class="dsb-nc">📅</span>Planner</div><div class="dsb-ni"><span class="dsb-nc">📖</span>Recipes</div><div class="dsb-ni a"><span class="dsb-nc">🛒</span>Shopping</div></div></div>
           </div>
           <div class="dm">
-            <div class="dtb"><div class="dtb-t">Shopping list</div><div class="dtb-r"><div style="background:var(--blue-tint);border:1px solid var(--blue-light);border-radius:var(--radius-md);padding:5px 12px;font-size:11px;color:var(--blue-dark);display:flex;align-items:center;gap:6px;"><div style="width:6px;height:6px;border-radius:50%;background:var(--blue);"></div>2 members online</div></div></div>
+            <div class="dtb"><div class="dtb-t">Shopping list</div><div class="dtb-r"><div style="background:var(--blue-tint);border:1px solid var(--blue-light);border-radius:var(--radius-md);padding:5px 12px;font-size:11px;color:var(--blue-dark);display:flex;align-items:center;gap:6px;"><div style="width:8px;height:8px;border-radius:50%;background:var(--blue);"></div>Shared with household</div></div></div>
             <div style="flex:1;display:flex;overflow:hidden;">
               <!-- Left: checklist -->
               <div style="flex:1;padding:20px 24px;overflow-y:auto;">
@@ -237,20 +237,20 @@
     </div>
     <div class="agent">
       <h4>D1 · Shopping list</h4>
-      <pre>/* Desktop: 224px sidebar + topbar (title + shared status badge) + 2-col content:
+      <pre>/* Desktop: 224px sidebar + topbar (title + shared badge) + 2-col content:
  *   Left (flex:1, page bg): remaining count + checklist rows + "checked off" section + add custom
  *   Right (280px, surface bg): recipe reference cards + filtered staples list + edit staples link
  * Recipe reference panel: page-section with surface bg, not a floating card.
  * Mobile: full-width checklist + shared banner + bottom tabs.
- * Real-time sync: is_checked updates broadcast to all connected clients.
+ * Sync model: server-authoritative — check/uncheck persists via form action, other users see changes on page refresh.
  * Both roles: planner + member can view and check off. Only planner can regenerate. */</pre>
       <table class="at"><thead><tr><th>Element</th><th>Value</th><th>Notes</th></tr></thead><tbody>
         <tr class="grp"><td colspan="3">Desktop</td></tr>
         <tr><td>Checklist area</td><td>flex:1, page bg, 20px 24px padding</td><td>Remaining items + divider + checked items</td></tr>
         <tr><td>Recipe reference</td><td>280px, surface bg, border-left</td><td>Recipe name + day + ingredient count. Filtered staples below.</td></tr>
         <tr class="grp"><td colspan="3">Shared state</td></tr>
-        <tr><td>Banner (mobile)</td><td>blue-tint, blue dot, radius-lg</td><td>"Shared · N online"</td></tr>
-        <tr><td>Badge (desktop)</td><td>blue-tint pill in topbar</td><td>Compact: dot + "N members online"</td></tr>
+        <tr><td>Banner (mobile)</td><td>blue-tint, blue dot, radius-lg</td><td>"Shared with household"</td></tr>
+        <tr><td>Badge (desktop)</td><td>blue-tint pill in topbar</td><td>Compact: dot + "Shared with household"</td></tr>
       </tbody></table>
     </div>
   </div>
@@ -269,22 +269,23 @@
 
     <h3>1. Journey flow</h3>
     <pre>/* J5 flow
- * C1 (week confirmed) → D1 (shopping list, always live).
+ * C1 (week confirmed) → D1 (shopping list).
  * Actor: Planner generates the list. All household members shop (view, check off, add items).
  * Preconditions: J1 (recipes exist) + J2 (week is planned) for generating a list.
  *                J6 (household setup) for shared access.
- * There is NO draft/publish workflow — the list is always live. */</pre>
+ * Sync model: server-authoritative. Changes persist via form actions.
+ *             Other users see updates on page refresh (no WebSocket/SSE). */</pre>
 
-    <h3>2. Screen D1 — Shopping list (live shared)</h3>
+    <h3>2. Screen D1 — Shopping list</h3>
     <pre>/* Mobile layout:
  *   topbar (title + settings icon)
- *   + blue-tint shared banner ("Shared with household · N members online", blue dot)
+ *   + blue-tint shared banner ("Shared with household", blue dot)
  *   + checklist (unchecked items, then checked items below divider)
  *   + "+ Add custom item" link (blue-dark, centred)
  *   + bottom tabs (Planner | Recipes | Shopping [active] | Settings)
  *
  * Desktop layout:
- *   sidebar (224px, dsb) + topbar (dtb: title + blue-tint "N members online" badge)
+ *   sidebar (224px, dsb) + topbar (dtb: title + blue-tint "Shared with household" badge)
  *   + split content area:
  *     Left: checklist (flex:1, page bg, 20px 24px padding)
  *       - eyebrow "N items remaining · N checked off"
@@ -319,15 +320,14 @@
       <li>Filtered staples are listed in the recipe reference panel (desktop) for transparency</li>
     </ul>
 
-    <h3>4. Real-time sync</h3>
-    <pre>/* Real-time rules:
- * - is_checked updates broadcast to ALL connected clients instantly
- * - "N members online" indicator shows who is currently viewing the shopping list
- * - Prevents double-buying when multiple family members shop simultaneously or at different times
- * - Blue accent colour for all shared-state UI:
- *     Mobile: blue-tint banner with blue dot
- *     Desktop: blue-tint badge in topbar with blue dot
- * - WebSocket or SSE for real-time — implementation choice, but must be instant */</pre>
+    <h3>4. Sync model</h3>
+    <pre>/* Sync rules:
+ * - Server-authoritative: all mutations (check, uncheck, add) go through form actions / API calls
+ * - No WebSocket or SSE — other users see changes on page refresh
+ * - Each check/uncheck is a single server round-trip (form action with use:enhance)
+ * - Blue accent colour for shared-state UI:
+ *     Mobile: blue-tint banner with blue dot ("Shared with household")
+ *     Desktop: blue-tint badge in topbar with blue dot ("Shared with household") */</pre>
 
     <h3>5. Custom items</h3>
     <ul>
@@ -352,22 +352,20 @@
  *   UPDATE shopping_list_item
  *   SET is_checked = true/false
  *   WHERE id = :item_id
- *   → broadcast change to all connected clients via real-time channel
  *
  * Add custom:
  *   INSERT INTO shopping_list_item (name, quantity, is_custom, is_checked, shopping_list_id)
- *   VALUES (:name, :quantity, true, false, :list_id)
- *   → broadcast new item to all connected clients */</pre>
+ *   VALUES (:name, :quantity, true, false, :list_id) */</pre>
 
     <h3>7. Design constraints</h3>
     <ul>
-      <li>List is ALWAYS live — no draft/publish workflow, no approval step</li>
+      <li>List is shared — all household members see the same list on refresh</li>
       <li>Both planner and member can: view, check off, add custom items, remove items</li>
       <li>Only planner can: generate list, regenerate list</li>
       <li>"Edit staples" link navigates to D3 (same component as A3 — build once, reference from two entry points)</li>
       <li>CalDAV export is future scope (E3) — do not build in v1</li>
       <li>Recipe reference panel is a page section with surface bg — NOT a floating card</li>
-      <li>Blue accent colour is reserved for shared/collaborative state indicators</li>
+      <li>Blue accent colour for shared-state banner/badge ("Shared with household")</li>
       <li>Checked items must visually separate from unchecked via a divider and "Checked off" label</li>
     </ul>
 
@@ -375,7 +373,7 @@
     <pre>/* Precondition chain:
  * J1 (recipes exist) — cannot generate a shopping list without recipes
  * J2 (week is planned) — cannot generate a shopping list without planned meals
- * J6 (household setup) — required for shared access (multiple members online)
+ * J6 (household setup) — required for shared access
  *
  * If no meals are planned: show empty state on D1 with prompt to plan the week first
  * If no household members: list works for solo planner, shared banner is hidden */</pre>