fix: [verified] simplify Roadmap adoption timeline

scripts/roadmap-viewer.test.mjs

@@ -28,7 +28,7 @@ for (const suffix of ['', '-mobile']) test(`native Workflow${suffix} retains gra
     assert.equal(checked.composition.metrics.labelCanvasOverflowIssues, 0);
     assert.throws(() => roadmapViewer('', spec), /drift/);
     const oversized = structuredClone(spec);
-    oversized.nodes[0].sublabel = 'Too much copy '.repeat(20) + '\nOutput: baseline';
+    oversized.nodes[0].sublabel = 'Too much copy '.repeat(20);
     assert.throws(() => roadmapViewer(native, oversized), /capacity/);
     assert.throws(() => roadmapViewer(native, {...spec,diagram_type:'architecture'}), /contract drift/);
   } finally {rmSync(dir, {recursive:true, force:true});}