feat: Update UI for Copilot (#11561)

- Updated UI for copilot

spec/enterprise/services/captain/tool_registry_service_spec.rb

@@ -109,4 +109,46 @@ RSpec.describe Captain::ToolRegistryService do
       end
     end
   end
+
+  describe '#tools_summary' do
+    let(:tool_class) { TestTool }
+
+    before do
+      service.register_tool(tool_class)
+    end
+
+    it 'returns formatted summary of registered tools' do
+      expect(service.tools_summary).to eq('- test_tool: A test tool for specs')
+    end
+
+    context 'when multiple tools are registered' do
+      let(:another_tool_class) do
+        Class.new(Captain::Tools::BaseService) do
+          def name
+            'another_tool'
+          end
+
+          def description
+            'Another test tool'
+          end
+
+          def parameters
+            {
+              type: 'object',
+              properties: {}
+            }
+          end
+
+          def active?
+            true
+          end
+        end
+      end
+
+      it 'includes all tools in the summary' do
+        service.register_tool(another_tool_class)
+        expect(service.tools_summary).to eq("- test_tool: A test tool for specs\n- another_tool: Another test tool")
+      end
+    end
+  end
 end