diff --git a/lib/berrypod/activity_log.ex b/lib/berrypod/activity_log.ex
index 1611829..b34aa19 100644
--- a/lib/berrypod/activity_log.ex
+++ b/lib/berrypod/activity_log.ex
@@ -11,6 +11,11 @@ defmodule Berrypod.ActivityLog do
   alias Berrypod.Repo
   alias Berrypod.ActivityLog.Entry
 
+  @system_event_types ~w(sync.started sync.completed sync.failed job.exhausted abandoned_cart.created)
+
+  @doc "Returns true if the event type is internal system noise."
+  def system_event_type?(event_type), do: event_type in @system_event_types
+
   # ── Write ──
 
   @doc """
@@ -71,6 +76,7 @@ defmodule Berrypod.ActivityLog do
     * `:tab` - "all" (default) or "attention" (unresolved warnings/errors)
     * `:category` - "orders", "syncs", "emails", "carts", or nil for all
     * `:search` - order number substring search
+    * `:hide_system` - exclude system event types (default false)
 
   """
   def list_recent(opts \\ []) do
@@ -78,6 +84,7 @@ defmodule Berrypod.ActivityLog do
     |> order_by([a], desc: a.occurred_at)
     |> maybe_filter_tab(opts[:tab])
     |> maybe_filter_category(opts[:category])
+    |> maybe_hide_system(opts[:hide_system])
     |> maybe_search_order_number(opts[:search])
     |> Berrypod.Pagination.paginate(page: opts[:page], per_page: 50)
   end
@@ -165,6 +172,12 @@ defmodule Berrypod.ActivityLog do
 
   defp maybe_filter_category(query, _), do: query
 
+  defp maybe_hide_system(query, true) do
+    where(query, [a], a.event_type not in ^@system_event_types)
+  end
+
+  defp maybe_hide_system(query, _), do: query
+
   defp maybe_search_order_number(query, search) when is_binary(search) and search != "" do
     query
     |> join(:inner, [a], o in "orders", on: a.order_id == o.id)
diff --git a/lib/berrypod_web/live/admin/activity.ex b/lib/berrypod_web/live/admin/activity.ex
index 721ec8a..c0b4127 100644
--- a/lib/berrypod_web/live/admin/activity.ex
+++ b/lib/berrypod_web/live/admin/activity.ex
@@ -15,6 +15,7 @@ defmodule BerrypodWeb.Admin.Activity do
       socket
       |> assign(:page_title, "Activity")
       |> assign(:attention_count, ActivityLog.count_needing_attention())
+      |> assign(:show_system, false)
 
     {:ok, socket}
   end
@@ -31,7 +32,8 @@ defmodule BerrypodWeb.Admin.Activity do
         page: page_num,
         tab: tab,
         category: category,
-        search: search
+        search: search,
+        hide_system: !socket.assigns.show_system
       )
 
     socket =
@@ -85,6 +87,11 @@ defmodule BerrypodWeb.Admin.Activity do
     {:noreply, push_patch(socket, to: ~p"/admin/activity?#{params}")}
   end
 
+  def handle_event("toggle_system", _params, socket) do
+    socket = assign(socket, :show_system, !socket.assigns.show_system)
+    {:noreply, refetch_and_reassign(socket)}
+  end
+
   def handle_event("resolve", %{"id" => id}, socket) do
     ActivityLog.resolve(id)
     {:noreply, refetch_and_reassign(socket)}
@@ -171,6 +178,14 @@ defmodule BerrypodWeb.Admin.Activity do
         <.category_chip category="syncs" active={@category} label="Syncs" />
         <.category_chip category="emails" active={@category} label="Emails" />
         <.category_chip category="carts" active={@category} label="Carts" />
+        <label class="admin-toggle-label admin-text-secondary">
+          <input
+            type="checkbox"
+            class="admin-toggle admin-toggle-sm"
+            checked={@show_system}
+            phx-click="toggle_system"
+          /> System events
+        </label>
       </div>
       <.form
         for={%{}}
@@ -380,7 +395,10 @@ defmodule BerrypodWeb.Admin.Activity do
         _ -> true
       end
 
-    tab_match and category_match
+    system_match =
+      if assigns.show_system, do: true, else: !ActivityLog.system_event_type?(entry.event_type)
+
+    tab_match and category_match and system_match
   end
 
   defp build_params(opts) do
@@ -397,7 +415,8 @@ defmodule BerrypodWeb.Admin.Activity do
       page: assigns.pagination.page,
       tab: assigns.tab,
       category: assigns.category,
-      search: assigns.search
+      search: assigns.search,
+      hide_system: !assigns.show_system
     )
   end
 
diff --git a/test/berrypod_web/live/admin/activity_test.exs b/test/berrypod_web/live/admin/activity_test.exs
index a81dc65..6ed1701 100644
--- a/test/berrypod_web/live/admin/activity_test.exs
+++ b/test/berrypod_web/live/admin/activity_test.exs
@@ -34,13 +34,13 @@ defmodule BerrypodWeb.Admin.ActivityTest do
     end
 
     test "renders activity entries", %{conn: conn} do
-      ActivityLog.log_event("sync.completed", "Product sync finished")
       ActivityLog.log_event("order.created", "Order placed")
+      ActivityLog.log_event("order.shipped", "Order shipped")
 
       {:ok, _view, html} = live(conn, ~p"/admin/activity")
 
-      assert html =~ "Product sync finished"
       assert html =~ "Order placed"
+      assert html =~ "Order shipped"
     end
 
     test "links to order when order_id present", %{conn: conn} do
@@ -72,6 +72,8 @@ defmodule BerrypodWeb.Admin.ActivityTest do
 
       {:ok, view, _html} = live(conn, ~p"/admin/activity")
 
+      # Enable system events so sync.completed is visible
+      render_click(view, "toggle_system")
       html = render_click(view, "category", %{"category" => "syncs"})
 
       assert html =~ "Sync done"
@@ -129,7 +131,11 @@ defmodule BerrypodWeb.Admin.ActivityTest do
         payload: %{connection_id: Ecto.UUID.generate()}
       )
 
-      {:ok, _view, html} = live(conn, ~p"/admin/activity?tab=attention")
+      {:ok, view, _html} = live(conn, ~p"/admin/activity?tab=attention")
+
+      # sync.failed is a system event, hidden by default
+      render_click(view, "toggle_system")
+      html = render(view)
 
       assert html =~ "Retry sync"
     end
@@ -137,10 +143,26 @@ defmodule BerrypodWeb.Admin.ActivityTest do
     test "updates via PubSub", %{conn: conn} do
       {:ok, view, _html} = live(conn, ~p"/admin/activity")
 
-      ActivityLog.log_event("sync.started", "Sync kicked off")
+      ActivityLog.log_event("order.created", "New order arrived")
 
       html = render(view)
-      assert html =~ "Sync kicked off"
+      assert html =~ "New order arrived"
+    end
+
+    test "system events hidden by default, shown after toggle", %{conn: conn} do
+      ActivityLog.log_event("sync.completed", "Sync done")
+      ActivityLog.log_event("order.created", "Order placed")
+
+      {:ok, view, html} = live(conn, ~p"/admin/activity")
+
+      # System events hidden by default
+      refute html =~ "Sync done"
+      assert html =~ "Order placed"
+
+      # Toggle shows system events
+      html = render_click(view, "toggle_system")
+      assert html =~ "Sync done"
+      assert html =~ "Order placed"
     end
   end