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/views/investments/_value_tooltip.html.erb

@@ -1,7 +1,7 @@
 <%# locals: (balance:, holdings:, cash:) %>
 
 <div data-controller="tooltip" data-tooltip-placement-value="right" data-tooltip-offset-value=10 data-tooltip-cross-axis-value=50>
-  <%= lucide_icon("info", class: "w-4 h-4 shrink-0 text-secondary") %>
+  <%= icon("info", size: "sm") %>
   <div role="tooltip" data-tooltip-target="tooltip" class="tooltip bg-gray-700 text-sm p-2 rounded w-64">
     <div class="text-white">
       <%= t(".total_value_tooltip") %>