fix(summary): add blank line between todowrite header and todo items

Author: grinev

src/summary/formatter.ts

@@ -428,7 +428,7 @@ export function formatToolInfo(toolInfo: ToolInfo): string | null {
     }>;
     const toolIcon = getToolIcon(tool);
     const todosList = formatTodos(todos);
-    return `${toolIcon} ${tool} (${todos.length})\n${todosList}`;
+    return `${toolIcon} ${tool} (${todos.length})\n\n${todosList}`;
   }
 
   let details = title || getToolDetails(tool, input);

tests/summary/formatter.test.ts

@@ -131,7 +131,7 @@ describe("summary/formatter", () => {
       },
     });
 
-    expect(text).toBe("📝 todowrite (3)\n✅ Done item\n🔄 In progress item\n🔲 Pending item");
+    expect(text).toBe("📝 todowrite (3)\n\n✅ Done item\n🔄 In progress item\n🔲 Pending item");
   });
 
   it("formats write/edit tool details with line counters", () => {