Account Activity View + Account Forms (#1406)

* Remove balance mode, sketch out refactor

* Activity view checkpoint

* Entry partials, checkpoint

* Finish txn partial

* Give entries context when editing for different turbo responses

* Calculate change of balance for each entry

* Account tabs consolidation

* Translations, linting, brakeman updates

* Account actions concern

* Finalize forms, get account system tests passing

* Get tests passing

* Lint, rubocop, schema updates

* Improve routing and stream responses

* Fix broken routes

* Add import option for adding accounts

* Fix system test

* Fix test specificity

* Fix sparklines

* Improve account redirects

app/views/accounts/summary/_header.html.erb

@@ -0,0 +1,21 @@
+<header class="flex justify-between items-center text-gray-900 font-medium">
+  <h1 class="text-xl"><%= t(".accounts") %></h1>
+
+  <div class="flex items-center gap-2">
+    <%= contextual_menu do %>
+      <div class="w-48 p-1 text-sm leading-6 text-gray-900 bg-white shadow-lg shrink rounded-xl ring-1 ring-gray-900/5">
+        <%= link_to accounts_path(return_to: summary_accounts_path),
+                    class: "block w-full py-2 px-3 space-x-2 text-gray-900 hover:bg-gray-50 flex items-center rounded-lg font-normal" do %>
+          <%= lucide_icon "settings", class: "w-5 h-5 text-gray-500" %>
+          <span class="text-black"><%= t(".manage") %></span>
+        <% end %>
+      </div>
+
+    <% end %>
+
+    <%= link_to new_account_path, class: "rounded-lg bg-gray-900 text-white flex items-center gap-1 justify-center hover:bg-gray-700 px-3 py-2", data: { turbo_frame: :modal } do %>
+      <%= lucide_icon("plus", class: "w-5 h-5") %>
+      <p class="text-sm font-medium"><%= t(".new") %></p>
+    <% end %>
+  </div>
+</header>