Admin schedule: pair host_url with host so speaker links don't drift

app/controllers/admin/schedule_items_controller.rb

@@ -84,7 +84,7 @@ def safe_return_to
     # config/schedule.yml items and should never be set by hand.
     def schedule_item_params
       attrs = params.require(:schedule_item).permit(
-        :day, :time_label, :sort_time, :title, :host,
+        :day, :time_label, :sort_time, :title, :host, :host_url,
         :location, :map_url, :description, :kind, :flexible, :is_public, :audience,
         :offers_new_passport, :offers_stamping, :offers_passport_pickup,
         :new_passport_capacity, :stamping_capacity, :passport_pickup_capacity,

app/views/admin/schedule_items/_form.html.erb

@@ -71,6 +71,16 @@
             class: "select" %>
     </div>
 
+    <div>
+      <%= f.label :host_url, "Speaker profile URL", class: "label" %>
+      <%= f.url_field :host_url, class: "input",
+            placeholder: "https://blueridgeruby.com/speakers/..." %>
+      <p class="text-muted text-sm mt-1">
+        Optional. If set, the speaker's name links to this URL on /schedule and /plan.
+        Update this whenever you change the host so the link points to the right person.
+      </p>
+    </div>
+
     <div>
       <%= f.label :location, class: "label" %>
       <%= f.text_field :location, class: "input" %>

test/controllers/admin/schedule_items_controller_test.rb

@@ -134,6 +134,37 @@ def valid_form_params(overrides = {})
     end
   end
 
+  test "admin edit form exposes a host_url field so name and link stay paired" do
+    item = ScheduleItem.create!(
+      day: "thu", title: "Keynote", host: "John Athayde",
+      host_url: "https://blueridgeruby.com/speakers/john-athayde/",
+      kind: :talk, is_public: true
+    )
+    sign_in_as users(:jeremy)
+    get edit_admin_schedule_item_path(item)
+
+    assert_select "input[name='schedule_item[host_url]'][value=?]",
+                  "https://blueridgeruby.com/speakers/john-athayde/"
+  end
+
+  test "admin update persists host_url alongside host" do
+    item = ScheduleItem.create!(
+      day: "thu", title: "Keynote", host: "John Athayde",
+      host_url: "https://blueridgeruby.com/speakers/john-athayde/",
+      kind: :talk, is_public: true
+    )
+    sign_in_as users(:jeremy)
+
+    patch admin_schedule_item_path(item), params: valid_form_params(
+      title: "Keynote", host: "Joël Quenneville",
+      host_url: "https://blueridgeruby.com/speakers/joel-quenneville/"
+    )
+
+    item.reload
+    assert_equal "Joël Quenneville", item.host
+    assert_equal "https://blueridgeruby.com/speakers/joel-quenneville/", item.host_url
+  end
+
   test "admin can create a volunteers_only public item" do
     sign_in_as users(:jeremy)
     post admin_schedule_items_path, params: valid_form_params(