fix: address code review findings - remove dead CSS modifier, add rail-vs-phase comment

web/apps/console/src/presentation/DemoContinuityRail.tsx

@@ -10,6 +10,9 @@ type RailStep = {
   readonly detail: string;
 };
 
+/* The rail shows 4 visual steps while the phase model has 5 — "resume" is
+   an invisible in-between state that maps to the same rail step as "interrupt"
+   for completed-index calculation but must not be marked active. */
 const railSteps: ReadonlyArray<RailStep> = [
   { phase: "agent", label: "Agent request", detail: "thin interface" },
   { phase: "run", label: "Workflow run", detail: "typed runtime" },

web/apps/console/src/presentation/DemoOutcomePanel.tsx

@@ -50,7 +50,7 @@ export const DemoOutcomePanel = ({
 
   if (beatId === "output") {
     return (
-      <aside className="demo-outcome-panel demo-outcome-panel--split" aria-label="demo outcome proof">
+      <aside className="demo-outcome-panel" aria-label="demo outcome proof">
         <span>{lens.eyebrow}</span>
         <strong>Product state, not chat-only text</strong>
         <ul>
@@ -62,7 +62,7 @@ export const DemoOutcomePanel = ({
   }
 
   return (
-    <aside className="demo-outcome-panel demo-outcome-panel--split" aria-label="demo outcome proof">
+    <aside className="demo-outcome-panel" aria-label="demo outcome proof">
       <span>{lens.eyebrow}</span>
       <strong>Auditable after the moment passes</strong>
       <ul>