Render sprint goal in header

Displays the per-project goal as muted secondary text
below the status badge and date range in the sprint
header on the Backlog page.

Author: myabc

modules/backlogs/app/components/backlogs/sprint_component.html.erb

@@ -56,6 +56,12 @@ See COPYRIGHT and LICENSE files for more details.
             <%= format_date_range([sprint.start_date, sprint.finish_date]) %>
           <% end %>
         <% end %>
+
+        <% if goal_text.present? %>
+          <%= render(Primer::Beta::Text.new(color: :muted, display: :block, mt: 1)) do %>
+            <%= goal_text %>
+          <% end %>
+        <% end %>
       <% end %>
 
       <% if show_start_sprint_action? %>

modules/backlogs/app/components/backlogs/sprint_component.rb

@@ -91,6 +91,10 @@ def finish_sprint_button_arguments
       }
     end
 
+    def goal_text
+      sprint.goal_for(project)&.goal
+    end
+
     def story_points_total
       work_packages.filter_map(&:story_points).sum
     end

modules/backlogs/spec/components/backlogs/sprint_component_spec.rb

@@ -204,6 +204,24 @@ def menu_items
       end
     end
 
+    describe "sprint goal in header" do
+      context "when the sprint has a goal for the project" do
+        before do
+          create(:sprint_goal, sprint:, project:, goal: "Ship the reporting dashboard")
+        end
+
+        it "renders the goal text" do
+          expect(rendered_component).to have_text("Ship the reporting dashboard")
+        end
+      end
+
+      context "when the sprint has no goal for the project" do
+        it "does not render goal text" do
+          expect(rendered_component).to have_no_css(".color-fg-muted[display='block']")
+        end
+      end
+    end
+
     describe "sprint actions in header" do
       context "when the sprint is in planning with date range set" do
         let(:sprint) do