fix: drag-resize working now

Co-authored-by: Copilot <copilot@github.com>

test/bds/desktop/automation_test.exs

@@ -71,6 +71,34 @@ defmodule BDS.Desktop.AutomationTest do
     assert File.exists?(screenshot_path)
   end
 
+  @tag timeout: 120_000
+  test "automation drags sidebar resize handle and restores width after reload" do
+    {:ok, session} = Automation.start_session()
+
+    on_exit(fn ->
+      Automation.stop_session(session)
+    end)
+
+    snapshot = Automation.snapshot(session)
+    assert snapshot.sidebar_width >= 279
+    assert snapshot.sidebar_width <= 281
+
+    assert :ok = Automation.drag(session, "[data-resize='sidebar']", 90)
+
+    snapshot = Automation.snapshot(session)
+    assert snapshot.sidebar_width >= 360
+    assert snapshot.sidebar_width <= 380
+
+    resized_width = snapshot.sidebar_width
+
+    assert :ok = Automation.reload(session)
+
+    snapshot = Automation.snapshot(session)
+    assert snapshot.sidebar_visible == true
+    assert snapshot.sidebar_width >= resized_width - 2
+    assert snapshot.sidebar_width <= resized_width + 2
+  end
+
   @tag timeout: 120_000
   test "automation stop_session shuts down the app and browser child processes it started" do
     baseline = automation_process_counts()

test/bds/desktop/shell_live_test.exs

@@ -169,4 +169,28 @@ defmodule BDS.Desktop.ShellLiveTest do
     assert html =~ ~s(class="sidebar-shell is-hidden")
     assert html =~ ~s(style="width: 0px;")
   end
+
+  test "layout hooks sync persisted widths and apply drag resizing" do
+    {:ok, view, html} = live_isolated(build_conn(), BDS.Desktop.ShellLive)
+
+    assert html =~ ~s(style="width: 280px;")
+
+    html = render_hook(view, "sync_layout", %{"sidebar_width" => 420, "assistant_sidebar_width" => 480})
+
+    assert html =~ ~s(data-testid="sidebar-shell")
+    assert html =~ ~s(style="width: 420px;")
+
+    html =
+      view
+      |> element("[data-testid='toggle-assistant']")
+      |> render_click()
+
+    assert html =~ ~s(data-testid="assistant-shell")
+    assert html =~ ~s(style="width: 480px;")
+
+    html = render_hook(view, "resize_panel", %{"target" => "sidebar", "width" => 460})
+
+    assert html =~ ~s(data-testid="sidebar-shell")
+    assert html =~ ~s(style="width: 460px;")
+  end
 end