diff --git a/packages/live_ui/lib/live_ui/renderer.ex b/packages/live_ui/lib/live_ui/renderer.ex
index 14f6072e..b3340c01 100644
--- a/packages/live_ui/lib/live_ui/renderer.ex
+++ b/packages/live_ui/lib/live_ui/renderer.ex
@@ -104,6 +104,38 @@ defmodule LiveUi.Renderer do
       <%= for child <- child_elements(@element, :default) do %>
         <.render element={child} event_target={@event_target} />
       <% end %>
+      <div class="live-ui-top-strip-trailing">
+        <%= if get_in(@element.attributes, [:shell, :search_event]) do %>
+          <button
+            type="button"
+            class="live-ui-top-strip-search"
+            aria-label="Open search"
+            phx-click={get_in(@element.attributes, [:shell, :search_event])}
+            phx-target={@event_target}
+          >
+            <span class="live-ui-top-strip-search-icon" aria-hidden="true"></span>
+          </button>
+        <% end %>
+        <%= if get_in(@element.attributes, [:shell, :settings_event]) do %>
+          <button
+            type="button"
+            class="live-ui-top-strip-settings"
+            aria-label="Open settings"
+            phx-click={get_in(@element.attributes, [:shell, :settings_event])}
+            phx-target={@event_target}
+          >
+            <span class="live-ui-top-strip-settings-icon" aria-hidden="true"></span>
+          </button>
+        <% end %>
+        <%= if get_in(@element.attributes, [:shell, :user_avatar_url]) do %>
+          <img
+            class="live-ui-top-strip-avatar"
+            src={get_in(@element.attributes, [:shell, :user_avatar_url])}
+            alt="User profile"
+            aria-label="User profile"
+          />
+        <% end %>
+      </div>
     </header>
     """
   end
diff --git a/packages/live_ui/test/live_ui/renderer_test.exs b/packages/live_ui/test/live_ui/renderer_test.exs
index b73fcf01..9e29050c 100644
--- a/packages/live_ui/test/live_ui/renderer_test.exs
+++ b/packages/live_ui/test/live_ui/renderer_test.exs
@@ -4,7 +4,7 @@ defmodule LiveUi.RendererTest do
   import Phoenix.LiveViewTest
 
   alias UnifiedIUR.{Container, Element, Forms, Interaction, Layout}
-  alias UnifiedIUR.Widgets.{Foundational, Input, Navigation}
+  alias UnifiedIUR.Widgets.{Components, Foundational, Input, Navigation}
 
   test "renderer maps foundational canonical widgets and layouts into native components" do
     element =
@@ -251,4 +251,76 @@ defmodule LiveUi.RendererTest do
     assert html =~ ~s(name="element_id" value="profile-name")
     assert html =~ ~s(name="widget" value="text_input")
   end
+
+  describe "top_strip trailing-region affordances" do
+    test "renders basic top_strip without trailing affordances" do
+      element = Components.top_strip([], brand: "Ariston", context: "Dashboard")
+      html = render_component(&LiveUi.Renderer.render/1, %{element: element})
+
+      assert html =~ ~s(data-live-ui-shell-position="top")
+      assert html =~ "live-ui-top-strip-brand"
+      assert html =~ "Ariston"
+      assert html =~ "live-ui-top-strip-trailing"
+      refute html =~ "live-ui-top-strip-search"
+      refute html =~ "live-ui-top-strip-settings"
+      refute html =~ "live-ui-top-strip-avatar"
+    end
+
+    test "renders search button when search_event is set" do
+      element = Components.top_strip([], brand: "Ariston", search_event: "open_search")
+      html = render_component(&LiveUi.Renderer.render/1, %{element: element})
+
+      assert html =~ "live-ui-top-strip-search"
+      assert html =~ ~s(aria-label="Open search")
+      assert html =~ ~s(phx-click="open_search")
+      refute html =~ "live-ui-top-strip-settings"
+      refute html =~ "live-ui-top-strip-avatar"
+    end
+
+    test "renders settings button when settings_event is set" do
+      element = Components.top_strip([], brand: "Ariston", settings_event: "open_settings")
+      html = render_component(&LiveUi.Renderer.render/1, %{element: element})
+
+      assert html =~ "live-ui-top-strip-settings"
+      assert html =~ ~s(aria-label="Open settings")
+      assert html =~ ~s(phx-click="open_settings")
+      refute html =~ "live-ui-top-strip-search"
+      refute html =~ "live-ui-top-strip-avatar"
+    end
+
+    test "renders avatar img when user_avatar_url is set" do
+      element =
+        Components.top_strip([],
+          brand: "Ariston",
+          user_avatar_url: "https://example.com/avatar.png"
+        )
+
+      html = render_component(&LiveUi.Renderer.render/1, %{element: element})
+
+      assert html =~ "live-ui-top-strip-avatar"
+      assert html =~ ~s(src="https://example.com/avatar.png")
+      assert html =~ ~s(aria-label="User profile")
+      refute html =~ "live-ui-top-strip-search"
+      refute html =~ "live-ui-top-strip-settings"
+    end
+
+    test "renders all three trailing affordances together" do
+      element =
+        Components.top_strip([],
+          brand: "Ariston",
+          search_event: "open_search",
+          settings_event: "open_settings",
+          user_avatar_url: "https://example.com/avatar.png"
+        )
+
+      html = render_component(&LiveUi.Renderer.render/1, %{element: element})
+
+      assert html =~ "live-ui-top-strip-search"
+      assert html =~ ~s(phx-click="open_search")
+      assert html =~ "live-ui-top-strip-settings"
+      assert html =~ ~s(phx-click="open_settings")
+      assert html =~ "live-ui-top-strip-avatar"
+      assert html =~ ~s(src="https://example.com/avatar.png")
+    end
+  end
 end
diff --git a/packages/unified_iur/lib/unified_iur/widgets/components.ex b/packages/unified_iur/lib/unified_iur/widgets/components.ex
index 983a4910..c6b6c195 100644
--- a/packages/unified_iur/lib/unified_iur/widgets/components.ex
+++ b/packages/unified_iur/lib/unified_iur/widgets/components.ex
@@ -521,13 +521,17 @@ defmodule UnifiedIUR.Widgets.Components do
       :top_strip,
       :layer_shell_and_callout,
       %{
-        shell: %{
-          position: :top,
-          brand: option(opts, :brand, ""),
-          context: option(opts, :context, ""),
-          theme: option(opts, :theme, :light),
-          pane_open?: option(opts, :pane_open?, false)
-        }
+        shell:
+          %{
+            position: :top,
+            brand: option(opts, :brand, ""),
+            context: option(opts, :context, ""),
+            theme: option(opts, :theme, :light),
+            pane_open?: option(opts, :pane_open?, false)
+          }
+          |> maybe_put(:search_event, option(opts, :search_event))
+          |> maybe_put(:settings_event, option(opts, :settings_event))
+          |> maybe_put(:user_avatar_url, option(opts, :user_avatar_url))
       },
       Map.put(opts, :children, children)
     )
diff --git a/packages/unified_iur/test/unified_iur/widgets/components_test.exs b/packages/unified_iur/test/unified_iur/widgets/components_test.exs
index fe650c6e..d291cebf 100644
--- a/packages/unified_iur/test/unified_iur/widgets/components_test.exs
+++ b/packages/unified_iur/test/unified_iur/widgets/components_test.exs
@@ -295,6 +295,56 @@ defmodule UnifiedIUR.Widgets.ComponentsTest do
     assert code.attributes.text_safety == %{content: :plain_text}
   end
 
+  test "top_strip stores trailing-region affordance attrs in shell map" do
+    strip_no_trailing = Components.top_strip([], brand: "Ariston", context: "Dashboard")
+
+    assert strip_no_trailing.kind == :top_strip
+    assert strip_no_trailing.attributes.shell.brand == "Ariston"
+    assert strip_no_trailing.attributes.shell.context == "Dashboard"
+    refute Map.has_key?(strip_no_trailing.attributes.shell, :search_event)
+    refute Map.has_key?(strip_no_trailing.attributes.shell, :settings_event)
+    refute Map.has_key?(strip_no_trailing.attributes.shell, :user_avatar_url)
+
+    strip_with_search =
+      Components.top_strip([], brand: "Ariston", search_event: "open_search")
+
+    assert strip_with_search.attributes.shell.search_event == "open_search"
+    refute Map.has_key?(strip_with_search.attributes.shell, :settings_event)
+    refute Map.has_key?(strip_with_search.attributes.shell, :user_avatar_url)
+
+    strip_with_settings =
+      Components.top_strip([], brand: "Ariston", settings_event: "open_settings")
+
+    assert strip_with_settings.attributes.shell.settings_event == "open_settings"
+
+    strip_with_avatar =
+      Components.top_strip([],
+        brand: "Ariston",
+        user_avatar_url: "https://example.com/avatar.png"
+      )
+
+    assert strip_with_avatar.attributes.shell.user_avatar_url == "https://example.com/avatar.png"
+
+    strip_all_trailing =
+      Components.top_strip([],
+        brand: "Ariston",
+        search_event: "open_search",
+        settings_event: "open_settings",
+        user_avatar_url: "https://example.com/avatar.png"
+      )
+
+    assert strip_all_trailing.attributes.shell == %{
+             position: :top,
+             brand: "Ariston",
+             context: "",
+             theme: :light,
+             pane_open?: false,
+             search_event: "open_search",
+             settings_event: "open_settings",
+             user_avatar_url: "https://example.com/avatar.png"
+           }
+  end
+
   test "represents list repeat metadata and hydrated row children" do
     template = Components.artifact_row("Template", [], row_identity: :id)
 
diff --git a/packages/unified_ui/lib/unified_ui/widget_components.ex b/packages/unified_ui/lib/unified_ui/widget_components.ex
index 513bd4c0..38fc703e 100644
--- a/packages/unified_ui/lib/unified_ui/widget_components.ex
+++ b/packages/unified_ui/lib/unified_ui/widget_components.ex
@@ -171,7 +171,7 @@ defmodule UnifiedUi.WidgetComponents do
       kind: :top_strip,
       family: :layer_shell_and_callout,
       summary:
-        "Top shell strip with brand, context, theme controls, and mode navigation children.",
+        "Top shell strip with brand, context, theme controls, mode navigation children, and optional trailing-region affordances (search_event, settings_event, user_avatar_url).",
       aliases: []
     },
     %{