feat(FN-4462): complete Step 4 — mirror stall badge copy in detail modal

Fusion-Task-Id: FN-4462
Fusion-Task-Lineage: 15fc09f5-1363-429e-b131-9c9fdabee532

packages/dashboard/app/components/TaskDetailModal.tsx

@@ -42,7 +42,7 @@ import { subscribeSse } from "../sse-bus";
 import { usePluginUiSlots } from "../hooks/usePluginUiSlots";
 import { appendTokenQuery } from "../auth";
 import { extractDependencyDeleteConflict } from "../utils/taskDelete";
-import { computeBlockerFanoutMap } from "../hooks/useBlockerFanout";
+import { MAX_AUTO_MERGE_RETRIES, computeBlockerFanoutMap } from "../hooks/useBlockerFanout";
 import { resolveEffectiveGithubRepoDefault } from "./githubTracking";
 import { linkifyFilePaths, linkifyReactChildren } from "../utils/filePathLinkify";
 import { getInReviewStallCopy, shouldShowInReviewStallBadge } from "../utils/inReviewStallCopy";
@@ -3176,7 +3176,10 @@ export function TaskDetailContent({
           {task.column === "in-review" && (
             <>
               {shouldShowInReviewStallBadge(workingTask) && workingTask.inReviewStall && (() => {
-                const copy = getInReviewStallCopy(workingTask.inReviewStall);
+                const copy = getInReviewStallCopy(workingTask.inReviewStall, {
+                  mergeRetries: workingTask.mergeRetries,
+                  maxAutoMergeRetries: MAX_AUTO_MERGE_RETRIES,
+                });
                 const logMatch = findInReviewStallLogEntry(workingTask, workingTask.inReviewStall.code);
                 return (
                   <div
@@ -3185,7 +3188,7 @@ export function TaskDetailContent({
                   >
                     <div className="detail-in-review-stall-header">
                       <span className="card-status-badge card-status-badge--in-review in-review-stall">
-                        {copy.badgeLabel}
+                        {copy.badgeLabel}{copy.counter ? ` ${copy.counter}` : ""}
                       </span>
                       <span className="detail-in-review-stall-headline">{copy.headline}</span>
                     </div>

packages/dashboard/app/components/__tests__/TaskDetailModal.test.tsx

@@ -123,6 +123,30 @@ describe("TaskDetailModal in-review stall diagnostics", () => {
     expect(highlighted?.textContent).toContain("In-review stall surfaced [merge-blocker]");
   });
 
+  it("renders retry-exhausted badge label with counter", () => {
+    render(
+      <TaskDetailModal
+        task={makeTask({
+          column: "in-review",
+          mergeRetries: 3,
+          inReviewStall: {
+            code: "merge-retries-exhausted",
+            reason: "Auto-merge retries exhausted",
+            observedAt: "2026-05-13T00:00:00.000Z",
+          },
+        })}
+        onClose={noop}
+        onMoveTask={noopMove}
+        onDeleteTask={noopDelete}
+        onMergeTask={noopMerge}
+        onOpenDetail={noopOpenDetail}
+        addToast={noop}
+      />,
+    );
+
+    expect(screen.getByText("Retries exhausted 3/3")).toBeInTheDocument();
+  });
+
   it("shows no-log copy when no matching stall entry exists", () => {
     render(
       <TaskDetailModal