diff --git a/apps/web/src/components/app/reviews-sidebar.test.tsx b/apps/web/src/components/app/reviews-sidebar.test.tsx
new file mode 100644
index 00000000..2ece027f
--- /dev/null
+++ b/apps/web/src/components/app/reviews-sidebar.test.tsx
@@ -0,0 +1,89 @@
+// @vitest-environment jsdom
+import { render, screen } from "@testing-library/react";
+import { MemoryRouter } from "react-router-dom";
+import { describe, expect, it, vi } from "vitest";
+
+import type { ReviewListItem } from "@/hooks/use-agent-reviews";
+import { ReviewsSidebarContent } from "./reviews-sidebar";
+
+const reviews: ReviewListItem[] = [
+  {
+    id: 1,
+    agentId: "agent-1",
+    assignedAgentId: "agent-1",
+    reviewerType: "human",
+    reviewerAgentId: null,
+    summary: null,
+    status: "open",
+    baseRef: "main",
+    createdAt: "2026-07-13T18:00:00.000Z",
+    updatedAt: "2026-07-13T18:00:00.000Z",
+    itemCount: 2,
+    resolvedCount: 0,
+  },
+  {
+    id: 2,
+    agentId: "agent-1",
+    assignedAgentId: "agent-1",
+    reviewerType: "human",
+    reviewerAgentId: null,
+    summary: "Resolved review",
+    status: "resolved",
+    baseRef: "main",
+    createdAt: "2026-07-13T17:00:00.000Z",
+    updatedAt: "2026-07-13T17:00:00.000Z",
+    itemCount: 1,
+    resolvedCount: 1,
+  },
+  {
+    id: 3,
+    agentId: "agent-1",
+    assignedAgentId: "agent-1",
+    reviewerType: "human",
+    reviewerAgentId: null,
+    summary: "Partially resolved review",
+    status: "partially_resolved",
+    baseRef: "main",
+    createdAt: "2026-07-13T16:00:00.000Z",
+    updatedAt: "2026-07-13T16:00:00.000Z",
+    itemCount: 2,
+    resolvedCount: 1,
+  },
+];
+
+vi.mock("@/hooks/use-agent-reviews", () => ({
+  useAgentReviews: () => ({ reviews, isLoading: false }),
+  useAgentReviewDetail: () => ({ review: null, isLoading: false }),
+  useAddReviewThreadMessage: vi.fn(),
+  useSetReviewFeedbackResolution: vi.fn(),
+}));
+
+vi.mock("@/hooks/use-agent-diff", () => ({
+  useAgentDiff: () => ({ data: null }),
+}));
+
+function reviewRowFor(text: string): HTMLElement {
+  const row = screen.getByText(text).closest("button")?.parentElement;
+  if (!row) throw new Error(`Could not find review row for ${text}`);
+  return row;
+}
+
+describe("ReviewsSidebarContent", () => {
+  it("uses status rails and labels a review without a summary", () => {
+    render(
+      <MemoryRouter>
+        <ReviewsSidebarContent agentId="agent-1" />
+      </MemoryRouter>
+    );
+
+    expect(reviewRowFor("Review feedback").className).toContain(
+      "border-l-status-waiting/60"
+    );
+    expect(reviewRowFor("Partially resolved review").className).toContain(
+      "border-l-status-waiting/60"
+    );
+    expect(reviewRowFor("Resolved review").className).toContain(
+      "border-l-status-working/60"
+    );
+  });
+});
diff --git a/apps/web/src/components/app/reviews-sidebar.tsx b/apps/web/src/components/app/reviews-sidebar.tsx
index 71144e70..8bf5730c 100644
--- a/apps/web/src/components/app/reviews-sidebar.tsx
+++ b/apps/web/src/components/app/reviews-sidebar.tsx
@@ -39,16 +39,22 @@ import { Textarea } from "@/components/ui/textarea";
 import { Markdown } from "@/components/ui/markdown";
 import { ReviewDiffSnapshot } from "@/components/app/review-diff-snapshot";
 
-const REVIEW_STATUS_STYLES: Record<string, { badge: string; label: string }> = {
+const REVIEW_STATUS_STYLES: Record<
+  string,
+  { rail: string; badge: string; label: string }
+> = {
   open: {
+    rail: "border-l-status-waiting/60",
     badge: "bg-status-waiting/15 text-status-waiting",
     label: "Open",
   },
   partially_resolved: {
+    rail: "border-l-status-waiting/60",
     badge: "bg-status-waiting/15 text-status-waiting",
     label: "Open",
   },
   resolved: {
+    rail: "border-l-status-working/60",
     badge: "bg-status-working/15 text-status-working",
     label: "Resolved",
   },
@@ -189,7 +195,12 @@ function ReviewRow({
   });
 
   return (
-    <div className="relative mb-3 overflow-clip rounded-md bg-muted/[0.07]">
+    <div
+      className={cn(
+        "relative mb-3 overflow-clip rounded-md border-l-2 bg-muted/[0.07]",
+        statusStyle.rail
+      )}
+    >
       <button
         type="button"
         className="flex w-full items-start gap-2 overflow-hidden rounded-md px-3 py-2.5 text-left transition-colors hover:bg-muted/30"
@@ -207,16 +218,15 @@ function ReviewRow({
           <Bot className="mt-0.5 h-3.5 w-3.5 shrink-0 text-muted-foreground" />
         )}
         <div className="min-w-0 flex-1">
-          {review.summary && (
-            <p
-              className={cn(
-                "text-xs text-foreground/90",
-                !expanded && "truncate"
-              )}
-            >
-              {review.summary}
-            </p>
-          )}
+          <p
+            className={cn(
+              "text-xs text-foreground/90",
+              !expanded && "truncate",
+              !review.summary && "text-muted-foreground"
+            )}
+          >
+            {review.summary || "Review feedback"}
+          </p>
           <div className="mt-1.5 flex items-center gap-2 text-[10px] text-muted-foreground">
             <span className="flex items-center gap-1">
               <MessageCircle className="h-2.5 w-2.5" />