Pre-launch design sync with Figma spec (#2154)

* Add lookbook + viewcomponent, organize design system file

* Build menu component

* Button updates

* More button fixes

* Replace all menus with new ViewComponent

* Checkpoint: fix tests, all buttons and menus converted

* Split into Link and Button components for clarity

* Button cleanup

* Simplify custom confirmation configuration in views

* Finalize button, link component API

* Add toggle field to custom form builder + Component

* Basic tabs component

* Custom tabs, convert all menu / tab instances in app

* Gem updates

* Centralized icon helper

* Update all icon usage to central helper

* Lint fixes

* Centralize all disclosure instances

* Dialog replacements

* Consolidation of all dialog styles

* Test fixes

* Fix app layout issues, move to component with slots

* Layout simplification

* Flakey test fix

* Fix dashboard mobile issues

* Finalize homepage

* Lint fixes

* Fix shadows and borders in dark mode

* Fix tests

* Remove stale class

* Fix filled icon logic

* Move transparent? to public interface

app/components/disclosure_component.html.erb

@@ -0,0 +1,25 @@
+<details class="group" <%= "open" if open %>>
+  <%= tag.summary class: class_names(
+    "px-3 py-2 rounded-xl cursor-pointer flex items-center justify-between bg-surface"
+  ) do %>
+    <div class="flex items-center gap-3">
+      <% if align == :left %>
+        <%= lucide_icon "chevron-right", class: "fg-gray w-5 h-5 group-open:transform group-open:rotate-90" %>
+      <% end %>
+
+      <%= tag.span class: class_names("font-medium", align == :left ? "text-sm text-primary" : "text-xs uppercase text-secondary") do %>
+        <%= title %>
+      <% end %>
+    </div>
+
+    <% if align == :right %>
+      <%= lucide_icon "chevron-down", class: "fg-gray w-5 h-5 group-open:transform group-open:rotate-180" %>
+    <% elsif summary_content? %>
+      <%= summary_content %>
+    <% end %>
+  <% end %>
+
+  <div class="mt-2">
+    <%= content %>
+  </div>
+</details>