diff --git a/packages/shared/src/constants.ts b/packages/shared/src/constants.ts
index 45102990dc6..84ca86cac39 100644
--- a/packages/shared/src/constants.ts
+++ b/packages/shared/src/constants.ts
@@ -141,6 +141,12 @@ export const INBOX_MINE_ISSUE_STATUS_FILTER = INBOX_MINE_ISSUE_STATUSES.join(","
 
 export const ISSUE_PRIORITIES = ["critical", "high", "medium", "low"] as const;
 export type IssuePriority = (typeof ISSUE_PRIORITIES)[number];
+export const MAX_ISSUE_REQUEST_DEPTH = 1024;
+
+export function clampIssueRequestDepth(value: number | null | undefined): number {
+  if (typeof value !== "number" || !Number.isFinite(value)) return 0;
+  return Math.min(MAX_ISSUE_REQUEST_DEPTH, Math.max(0, Math.floor(value)));
+}
 
 export const ISSUE_THREAD_INTERACTION_KINDS = [
   "suggest_tasks",
@@ -167,7 +173,14 @@ export const ISSUE_THREAD_INTERACTION_CONTINUATION_POLICIES = [
 export type IssueThreadInteractionContinuationPolicy =
   (typeof ISSUE_THREAD_INTERACTION_CONTINUATION_POLICIES)[number];
 
-export const ISSUE_ORIGIN_KINDS = ["manual", "routine_execution", "stale_active_run_evaluation"] as const;
+export const ISSUE_ORIGIN_KINDS = [
+  "manual",
+  "routine_execution",
+  "stale_active_run_evaluation",
+  "harness_liveness_escalation",
+  "issue_productivity_review",
+  "stranded_issue_recovery",
+] as const;
 export type BuiltInIssueOriginKind = (typeof ISSUE_ORIGIN_KINDS)[number];
 export type PluginIssueOriginKind = `plugin:${string}`;
 export type IssueOriginKind = BuiltInIssueOriginKind | PluginIssueOriginKind;
diff --git a/packages/shared/src/index.ts b/packages/shared/src/index.ts
index 09274d2ec80..72d8ca73ab4 100644
--- a/packages/shared/src/index.ts
+++ b/packages/shared/src/index.ts
@@ -18,6 +18,8 @@ export {
   INBOX_MINE_ISSUE_STATUSES,
   INBOX_MINE_ISSUE_STATUS_FILTER,
   ISSUE_PRIORITIES,
+  MAX_ISSUE_REQUEST_DEPTH,
+  clampIssueRequestDepth,
   ISSUE_THREAD_INTERACTION_KINDS,
   ISSUE_THREAD_INTERACTION_STATUSES,
   ISSUE_THREAD_INTERACTION_CONTINUATION_POLICIES,
@@ -331,6 +333,8 @@ export type {
   IssueBlockerAttention,
   IssueBlockerAttentionReason,
   IssueBlockerAttentionState,
+  IssueProductivityReview,
+  IssueProductivityReviewTrigger,
   IssueReferenceSource,
   IssueRelatedWorkItem,
   IssueRelatedWorkSummary,
diff --git a/packages/shared/src/types/index.ts b/packages/shared/src/types/index.ts
index 54e19f389cf..a574f8541e8 100644
--- a/packages/shared/src/types/index.ts
+++ b/packages/shared/src/types/index.ts
@@ -136,6 +136,8 @@ export type {
   IssueBlockerAttention,
   IssueBlockerAttentionReason,
   IssueBlockerAttentionState,
+  IssueProductivityReview,
+  IssueProductivityReviewTrigger,
   IssueReferenceSource,
   IssueRelatedWorkItem,
   IssueRelatedWorkSummary,
diff --git a/packages/shared/src/types/issue.ts b/packages/shared/src/types/issue.ts
index 64b3b96d65f..8ee1821d6f7 100644
--- a/packages/shared/src/types/issue.ts
+++ b/packages/shared/src/types/issue.ts
@@ -139,6 +139,22 @@ export interface IssueBlockerAttention {
   sampleStalledBlockerIdentifier: string | null;
 }
 
+export type IssueProductivityReviewTrigger =
+  | "no_comment_streak"
+  | "long_active_duration"
+  | "high_churn";
+
+export interface IssueProductivityReview {
+  reviewIssueId: string;
+  reviewIdentifier: string | null;
+  status: IssueStatus;
+  priority: IssuePriority;
+  trigger: IssueProductivityReviewTrigger | null;
+  noCommentStreak: number | null;
+  createdAt: Date;
+  updatedAt: Date;
+}
+
 export interface IssueRelation {
   id: string;
   companyId: string;
@@ -264,6 +280,7 @@ export interface Issue {
   blockedBy?: IssueRelationIssueSummary[];
   blocks?: IssueRelationIssueSummary[];
   blockerAttention?: IssueBlockerAttention;
+  productivityReview?: IssueProductivityReview | null;
   relatedWork?: IssueRelatedWorkSummary;
   referencedIssueIdentifiers?: string[];
   planDocument?: IssueDocument | null;
diff --git a/server/src/routes/issues.ts b/server/src/routes/issues.ts
index 7de449a10a7..09c5c24c5cd 100644
--- a/server/src/routes/issues.ts
+++ b/server/src/routes/issues.ts
@@ -603,23 +603,39 @@ export function issueRoutes(
       res.status(403).json({ error: "Agent authentication required" });
       return false;
     }
-    if (issue.status !== "in_progress" || issue.assigneeAgentId === null) {
+    if (issue.assigneeAgentId === null) {
       return true;
     }
     if (issue.assigneeAgentId !== actorAgentId) {
       if (await hasActiveCheckoutManagementOverride(actorAgentId, issue.companyId, issue.assigneeAgentId)) {
         return true;
       }
-      res.status(409).json({
-        error: "Issue is checked out by another agent",
-        details: {
-          issueId: issue.id,
-          assigneeAgentId: issue.assigneeAgentId,
-          actorAgentId,
-        },
-      });
+      if (issue.status === "in_progress") {
+        res.status(409).json({
+          error: "Issue is checked out by another agent",
+          details: {
+            issueId: issue.id,
+            assigneeAgentId: issue.assigneeAgentId,
+            actorAgentId,
+          },
+        });
+      } else {
+        res.status(403).json({
+          error: "Agent cannot mutate another agent's issue",
+          details: {
+            issueId: issue.id,
+            assigneeAgentId: issue.assigneeAgentId,
+            actorAgentId,
+            status: issue.status,
+            securityPrinciples: ["Least Privilege", "Complete Mediation", "Fail Securely"],
+          },
+        });
+      }
       return false;
     }
+    if (issue.status !== "in_progress") {
+      return true;
+    }
     const runId = requireAgentRunId(req, res);
     if (!runId) return false;
     const ownership = await svc.assertCheckoutOwner(issue.id, actorAgentId, runId);
@@ -1035,6 +1051,7 @@ export function issueRoutes(
       wakeComment,
       relations,
       blockerAttention,
+      productivityReview,
       attachments,
       continuationSummary,
       currentExecutionWorkspace,
@@ -1046,6 +1063,7 @@ export function issueRoutes(
         wakeCommentId ? svc.getComment(wakeCommentId) : null,
         svc.getRelationSummaries(issue.id),
         svc.listBlockerAttention(issue.companyId, [issue]).then((map) => map.get(issue.id) ?? null),
+        svc.listProductivityReviews(issue.companyId, [issue.id]).then((map) => map.get(issue.id) ?? null),
         svc.listAttachments(issue.id),
         documentsSvc.getIssueDocumentByKey(issue.id, ISSUE_CONTINUATION_SUMMARY_DOCUMENT_KEY),
         currentExecutionWorkspacePromise,
@@ -1059,6 +1077,7 @@ export function issueRoutes(
         description: issue.description,
         status: issue.status,
         ...(blockerAttention ? { blockerAttention } : {}),
+        productivityReview,
         priority: issue.priority,
         projectId: issue.projectId,
         goalId: goal?.id ?? issue.goalId,
@@ -1067,6 +1086,8 @@ export function issueRoutes(
         blocks: relations.blocks,
         assigneeAgentId: issue.assigneeAgentId,
         assigneeUserId: issue.assigneeUserId,
+        originKind: issue.originKind,
+        originId: issue.originId,
         updatedAt: issue.updatedAt,
       },
       ancestors: ancestors.map((ancestor) => ({
@@ -1128,13 +1149,23 @@ export function issueRoutes(
       return;
     }
     assertCompanyAccess(req, issue.companyId);
-    const [{ project, goal }, ancestors, mentionedProjectIds, documentPayload, relations, blockerAttention, referenceSummary] = await Promise.all([
+    const [
+      { project, goal },
+      ancestors,
+      mentionedProjectIds,
+      documentPayload,
+      relations,
+      blockerAttention,
+      productivityReview,
+      referenceSummary,
+    ] = await Promise.all([
       resolveIssueProjectAndGoal(issue),
       svc.getAncestors(issue.id),
       svc.findMentionedProjectIds(issue.id, { includeCommentBodies: false }),
       documentsSvc.getIssueDocumentPayload(issue),
       svc.getRelationSummaries(issue.id),
       svc.listBlockerAttention(issue.companyId, [issue]).then((map) => map.get(issue.id) ?? null),
+      svc.listProductivityReviews(issue.companyId, [issue.id]).then((map) => map.get(issue.id) ?? null),
       issueReferencesSvc.listIssueReferenceSummary(issue.id),
     ]);
     const mentionedProjects = mentionedProjectIds.length > 0
@@ -1149,6 +1180,7 @@ export function issueRoutes(
       goalId: goal?.id ?? issue.goalId,
       ancestors,
       ...(blockerAttention ? { blockerAttention } : {}),
+      productivityReview,
       blockedBy: relations.blockedBy,
       blocks: relations.blocks,
       relatedWork: referenceSummary,
diff --git a/server/src/services/issues.ts b/server/src/services/issues.ts
index e2d6df0dd63..f93633f4156 100644
--- a/server/src/services/issues.ts
+++ b/server/src/services/issues.ts
@@ -27,8 +27,13 @@ import {
   projectWorkspaces,
   projects,
 } from "@paperclipai/db";
-import type { IssueBlockerAttention, IssueRelationIssueSummary } from "@paperclipai/shared";
-import { extractAgentMentionIds, extractProjectMentionIds, isUuidLike } from "@paperclipai/shared";
+import type {
+  IssueBlockerAttention,
+  IssueProductivityReview,
+  IssueProductivityReviewTrigger,
+  IssueRelationIssueSummary,
+} from "@paperclipai/shared";
+import { clampIssueRequestDepth, extractAgentMentionIds, extractProjectMentionIds, isUuidLike } from "@paperclipai/shared";
 import { conflict, notFound, unprocessable } from "../errors.js";
 import {
   defaultIssueExecutionWorkspaceSettingsForProject,
@@ -666,6 +671,17 @@ const BLOCKER_ATTENTION_ACTIVE_WAKE_STATUSES = ["queued", "deferred_issue_execut
 const BLOCKER_ATTENTION_PENDING_INTERACTION_STATUSES = ["pending"];
 const BLOCKER_ATTENTION_PENDING_APPROVAL_STATUSES = ["pending", "revision_requested"];
 const BLOCKER_ATTENTION_OPEN_RECOVERY_ORIGIN_KIND = "harness_liveness_escalation";
+const PRODUCTIVITY_REVIEW_ORIGIN_KIND = "issue_productivity_review";
+const PRODUCTIVITY_REVIEW_TERMINAL_STATUSES = ["done", "cancelled"];
+const PRODUCTIVITY_REVIEW_ACTIVITY_ACTIONS = [
+  "issue.productivity_review_created",
+  "issue.productivity_review_updated",
+];
+const PRODUCTIVITY_REVIEW_TRIGGERS: readonly IssueProductivityReviewTrigger[] = [
+  "no_comment_streak",
+  "long_active_duration",
+  "high_churn",
+];
 const BLOCKER_ATTENTION_OPEN_RECOVERY_TERMINAL_STATUSES = ["done", "cancelled"];
 const BLOCKER_ATTENTION_MAX_DEPTH = 8;
 const BLOCKER_ATTENTION_MAX_NODES = 2000;
@@ -876,6 +892,114 @@ async function terminalExplicitBlockersByRoot(
   return terminalByRoot;
 }
 
+function readProductivityReviewTrigger(value: unknown): IssueProductivityReviewTrigger | null {
+  if (typeof value !== "string") return null;
+  return PRODUCTIVITY_REVIEW_TRIGGERS.includes(value as IssueProductivityReviewTrigger)
+    ? (value as IssueProductivityReviewTrigger)
+    : null;
+}
+
+function readProductivityReviewStreak(value: unknown): number | null {
+  if (typeof value !== "number" || !Number.isFinite(value) || value < 0) return null;
+  return Math.floor(value);
+}
+
+async function listIssueProductivityReviewMap(
+  dbOrTx: any,
+  companyId: string,
+  sourceIssueIds: string[],
+): Promise<Map<string, IssueProductivityReview>> {
+  const map = new Map<string, IssueProductivityReview>();
+  if (sourceIssueIds.length === 0) return map;
+
+  const reviewRows: Array<{
+    sourceIssueId: string | null;
+    reviewIssueId: string;
+    reviewIdentifier: string | null;
+    status: string;
+    priority: string;
+    createdAt: Date;
+    updatedAt: Date;
+  }> = [];
+  for (const chunk of chunkList([...new Set(sourceIssueIds)], ISSUE_LIST_RELATED_QUERY_CHUNK_SIZE)) {
+    const rows = await dbOrTx
+      .select({
+        sourceIssueId: issues.originId,
+        reviewIssueId: issues.id,
+        reviewIdentifier: issues.identifier,
+        status: issues.status,
+        priority: issues.priority,
+        createdAt: issues.createdAt,
+        updatedAt: issues.updatedAt,
+      })
+      .from(issues)
+      .where(
+        and(
+          eq(issues.companyId, companyId),
+          eq(issues.originKind, PRODUCTIVITY_REVIEW_ORIGIN_KIND),
+          inArray(issues.originId, chunk),
+          isNull(issues.hiddenAt),
+          notInArray(issues.status, PRODUCTIVITY_REVIEW_TERMINAL_STATUSES),
+        ),
+      );
+    reviewRows.push(...rows);
+  }
+
+  if (reviewRows.length === 0) return map;
+
+  const reviewIssueIds = reviewRows.map((row) => row.reviewIssueId);
+  const triggerByReviewIssueId = new Map<
+    string,
+    { trigger: IssueProductivityReviewTrigger | null; noCommentStreak: number | null }
+  >();
+  for (const chunk of chunkList(reviewIssueIds, ISSUE_LIST_RELATED_QUERY_CHUNK_SIZE)) {
+    const detailRows = await dbOrTx
+      .select({
+        entityId: activityLog.entityId,
+        details: activityLog.details,
+        createdAt: activityLog.createdAt,
+      })
+      .from(activityLog)
+      .where(
+        and(
+          eq(activityLog.companyId, companyId),
+          eq(activityLog.entityType, "issue"),
+          inArray(activityLog.entityId, chunk),
+          inArray(activityLog.action, PRODUCTIVITY_REVIEW_ACTIVITY_ACTIONS),
+        ),
+      )
+      .orderBy(desc(activityLog.createdAt));
+    for (const row of detailRows as Array<{
+      entityId: string;
+      details: Record<string, unknown> | null;
+      createdAt: Date;
+    }>) {
+      if (triggerByReviewIssueId.has(row.entityId)) continue;
+      triggerByReviewIssueId.set(row.entityId, {
+        trigger: readProductivityReviewTrigger(row.details?.trigger),
+        noCommentStreak: readProductivityReviewStreak(row.details?.noCommentStreak),
+      });
+    }
+  }
+
+  for (const row of reviewRows) {
+    if (!row.sourceIssueId) continue;
+    const detail = triggerByReviewIssueId.get(row.reviewIssueId);
+    map.set(row.sourceIssueId, {
+      reviewIssueId: row.reviewIssueId,
+      reviewIdentifier: row.reviewIdentifier,
+      status: row.status as IssueProductivityReview["status"],
+      priority: row.priority as IssueProductivityReview["priority"],
+      trigger: detail?.trigger ?? null,
+      noCommentStreak: detail?.noCommentStreak ?? null,
+      createdAt: row.createdAt,
+      updatedAt: row.updatedAt,
+    });
+  }
+
+  return map;
+}
+
 async function listIssueBlockerAttentionMap(
   dbOrTx: any,
   companyId: string,
@@ -2108,7 +2232,10 @@ export function issueService(db: Db) {
       ]);
       const statsByIssueId = new Map(statsRows.map((row) => [row.issueId, row]));
       const lastActivityByIssueId = new Map(lastActivityRows.map((row) => [row.issueId, row]));
-      const blockerAttentionByIssueId = await listIssueBlockerAttentionMap(db, companyId, withRuns);
+      const [blockerAttentionByIssueId, productivityReviewByIssueId] = await Promise.all([
+        listIssueBlockerAttentionMap(db, companyId, withRuns),
+        listIssueProductivityReviewMap(db, companyId, issueIds),
+      ]);
 
       if (!contextUserId) {
         return withRuns.map((row) => {
@@ -2123,6 +2250,9 @@ export function issueService(db: Db) {
             ...(includeBlockedBy ? { blockedBy: blockedByMap.get(row.id) ?? [] } : {}),
             lastActivityAt,
             ...(blockerAttentionByIssueId.has(row.id) ? { blockerAttention: blockerAttentionByIssueId.get(row.id) } : {}),
+            ...(productivityReviewByIssueId.has(row.id)
+              ? { productivityReview: productivityReviewByIssueId.get(row.id) }
+              : {}),
           };
         });
       }
@@ -2141,6 +2271,9 @@ export function issueService(db: Db) {
           ...(includeBlockedBy ? { blockedBy: blockedByMap.get(row.id) ?? [] } : {}),
           lastActivityAt,
           ...(blockerAttentionByIssueId.has(row.id) ? { blockerAttention: blockerAttentionByIssueId.get(row.id) } : {}),
+          ...(productivityReviewByIssueId.has(row.id)
+            ? { productivityReview: productivityReviewByIssueId.get(row.id) }
+            : {}),
           ...deriveIssueUserContext(row, contextUserId, {
             myLastCommentAt: statsByIssueId.get(row.id)?.myLastCommentAt ?? null,
             myLastReadAt: readByIssueId.get(row.id) ?? null,
@@ -2292,6 +2425,14 @@ export function issueService(db: Db) {
       return listIssueBlockerAttentionMap(dbOrTx, companyId, issueRows);
     },
 
+    listProductivityReviews: async (
+      companyId: string,
+      sourceIssueIds: string[],
+      dbOrTx: any = db,
+    ) => {
+      return listIssueProductivityReviewMap(dbOrTx, companyId, sourceIssueIds);
+    },
+
     listWakeableBlockedDependents: async (blockerIssueId: string) => {
       const blockerIssue = await db
         .select({ id: issues.id, companyId: issues.companyId })
@@ -2458,7 +2599,9 @@ export function issueService(db: Db) {
         parentId: parent.id,
         projectId: issueData.projectId ?? parent.projectId,
         goalId: issueData.goalId ?? parent.goalId,
-        requestDepth: Math.max(parent.requestDepth + 1, issueData.requestDepth ?? 0),
+        requestDepth: clampIssueRequestDepth(
+          Math.max(clampIssueRequestDepth(parent.requestDepth) + 1, issueData.requestDepth ?? 0),
+        ),
         description: appendAcceptanceCriteriaToDescription(issueData.description, acceptanceCriteria),
         inheritExecutionWorkspaceFromIssueId: parent.id,
       });
@@ -2615,6 +2758,7 @@ export function issueService(db: Db) {
 
         const values = {
           ...issueData,
+          requestDepth: clampIssueRequestDepth(issueData.requestDepth),
           originKind: issueData.originKind ?? "manual",
           goalId: resolveIssueGoalId({
             projectId: issueData.projectId,
@@ -2700,6 +2844,9 @@ export function issueService(db: Db) {
         ...issueData,
         updatedAt: new Date(),
       };
+      if (issueData.requestDepth !== undefined) {
+        patch.requestDepth = clampIssueRequestDepth(issueData.requestDepth);
+      }
 
       const nextAssigneeAgentId =
         issueData.assigneeAgentId !== undefined ? issueData.assigneeAgentId : existing.assigneeAgentId;
diff --git a/ui/src/components/IssueRow.tsx b/ui/src/components/IssueRow.tsx
index d6969d23323..664990b1e17 100644
--- a/ui/src/components/IssueRow.tsx
+++ b/ui/src/components/IssueRow.tsx
@@ -1,7 +1,7 @@
 import type { ReactNode } from "react";
 import type { Issue } from "@paperclipai/shared";
 import { Link } from "@/lib/router";
-import { X } from "lucide-react";
+import { Eye, X } from "lucide-react";
 import {
   createIssueDetailPath,
   rememberIssueDetailLocationState,
@@ -9,6 +9,7 @@ import {
 } from "../lib/issueDetailBreadcrumb";
 import { cn } from "../lib/utils";
 import { StatusIcon } from "./StatusIcon";
+import { productivityReviewTriggerLabel } from "./ProductivityReviewBadge";
 
 type UnreadState = "hidden" | "visible" | "fading";
 
@@ -63,6 +64,19 @@ export function IssueRow({
   const showUnreadDot = unreadState === "visible" || unreadState === "fading";
   const selectedStatusClass = selected ? "!text-muted-foreground !border-muted-foreground" : undefined;
   const detailState = withIssueDetailHeaderSeed(issueLinkState, issue);
+  const productivityReview = issue.productivityReview ?? null;
+  const productivityReviewIndicator = productivityReview ? (
+    <span
+      className={cn(
+        "inline-flex h-4 w-4 shrink-0 items-center justify-center rounded-full border border-amber-500/40 bg-amber-500/10 text-amber-600 dark:text-amber-300",
+        selected ? "border-muted-foreground text-muted-foreground" : null,
+      )}
+      title={`Productivity review: ${productivityReviewTriggerLabel(productivityReview.trigger)}`}
+      aria-label="Productivity review open"
+    >
+      <Eye className="h-2.5 w-2.5" aria-hidden />
+    </span>
+  ) : null;
   const hasChecklistStep = checklistStepNumber !== null;
   const checklistStep = hasChecklistStep ? (
     <span className="shrink-0 font-mono text-xs text-muted-foreground" aria-hidden="true">
@@ -87,8 +101,9 @@ export function IssueRow({
         className,
       )}
     >
-      <span className="shrink-0 pt-px sm:hidden">
+      <span className="flex shrink-0 items-center gap-1 pt-px sm:hidden">
         {mobileLeading ?? <StatusIcon status={issue.status} blockerAttention={issue.blockerAttention} className={selectedStatusClass} />}
+        {productivityReviewIndicator}
       </span>
       <span className="flex min-w-0 flex-1 flex-col gap-1 sm:contents">
         <span className={cn("line-clamp-2 text-sm sm:order-2 sm:min-w-0 sm:flex-1 sm:truncate sm:line-clamp-none", titleClassName)}>
@@ -105,8 +120,9 @@ export function IssueRow({
           ) : null}
           {desktopMetaLeading ?? (
             <>
-              <span className="hidden shrink-0 sm:inline-flex">
+              <span className="hidden shrink-0 items-center gap-1 sm:inline-flex">
                 <StatusIcon status={issue.status} blockerAttention={issue.blockerAttention} className={selectedStatusClass} />
+                {productivityReviewIndicator}
               </span>
               {checklistStep}
               <span className="shrink-0 font-mono text-xs text-muted-foreground">
diff --git a/ui/src/components/ProductivityReviewBadge.tsx b/ui/src/components/ProductivityReviewBadge.tsx
new file mode 100644
index 00000000000..e6c08bfbfe9
--- /dev/null
+++ b/ui/src/components/ProductivityReviewBadge.tsx
@@ -0,0 +1,77 @@
+import { Link } from "react-router-dom";
+import { Eye } from "lucide-react";
+import type { IssueProductivityReview } from "@paperclipai/shared";
+import { cn } from "../lib/utils";
+import { createIssueDetailPath } from "../lib/issueDetailBreadcrumb";
+import { Tooltip, TooltipContent, TooltipTrigger } from "./ui/tooltip";
+
+const TRIGGER_LABELS: Record<string, string> = {
+  no_comment_streak: "No-comment streak",
+  long_active_duration: "Long active duration",
+  high_churn: "High churn",
+};
+
+const REVIEW_STATUS_LABELS: Record<string, string> = {
+  todo: "Open",
+  in_progress: "In progress",
+  in_review: "In review",
+  blocked: "Blocked",
+  backlog: "Open",
+};
+
+export function productivityReviewTriggerLabel(
+  trigger: IssueProductivityReview["trigger"],
+): string {
+  if (!trigger) return "Productivity review";
+  return TRIGGER_LABELS[trigger] ?? "Productivity review";
+}
+
+export function ProductivityReviewBadge({
+  review,
+  className,
+  hideLabel = false,
+}: {
+  review: IssueProductivityReview;
+  className?: string;
+  hideLabel?: boolean;
+}) {
+  const label = productivityReviewTriggerLabel(review.trigger);
+  const reviewIdentifier = review.reviewIdentifier ?? review.reviewIssueId.slice(0, 8);
+  const reviewPath = createIssueDetailPath(review.reviewIdentifier ?? review.reviewIssueId);
+  const statusLabel = REVIEW_STATUS_LABELS[review.status] ?? review.status.replace(/_/g, " ");
+
+  return (
+    <Tooltip>
+      <TooltipTrigger asChild>
+        <Link
+          to={reviewPath}
+          className={cn(
+            "inline-flex items-center gap-1 rounded-full border border-amber-500/40 bg-amber-500/10 px-2 py-0.5 text-[10px] font-medium text-amber-700 dark:text-amber-300 shrink-0 hover:bg-amber-500/20 transition-colors",
+            className,
+          )}
+          aria-label={`Productivity review ${reviewIdentifier} (${label})`}
+        >
+          <Eye className="h-3 w-3" aria-hidden />
+          {hideLabel ? null : <span>Productivity review</span>}
+        </Link>
+      </TooltipTrigger>
+      <TooltipContent>
+        <div className="space-y-1 text-xs">
+          <div className="font-semibold">Productivity review open</div>
+          <div>
+            <span className="text-muted-foreground">Trigger:</span> {label}
+          </div>
+          {typeof review.noCommentStreak === "number" && review.noCommentStreak > 0 ? (
+            <div>
+              <span className="text-muted-foreground">No-comment streak:</span>{" "}
+              {review.noCommentStreak} runs
+            </div>
+          ) : null}
+          <div>
+            <span className="text-muted-foreground">Review:</span> {reviewIdentifier} ({statusLabel})
+          </div>
+        </div>
+      </TooltipContent>
+    </Tooltip>
+  );
+}
diff --git a/ui/src/pages/IssueDetail.tsx b/ui/src/pages/IssueDetail.tsx
index fd207835fd1..8038922a30d 100644
--- a/ui/src/pages/IssueDetail.tsx
+++ b/ui/src/pages/IssueDetail.tsx
@@ -77,6 +77,7 @@ import { ImageGalleryModal } from "../components/ImageGalleryModal";
 import { ScrollToBottom } from "../components/ScrollToBottom";
 import { StatusIcon } from "../components/StatusIcon";
 import { PriorityIcon } from "../components/PriorityIcon";
+import { ProductivityReviewBadge } from "../components/ProductivityReviewBadge";
 import { Identity } from "../components/Identity";
 import { PluginSlotMount, PluginSlotOutlet, usePluginSlots } from "@/plugins/slots";
 import { PluginLauncherOutlet } from "@/plugins/launchers";
@@ -108,6 +109,7 @@ import {
   Check,
   ChevronRight,
   Copy,
+  Eye,
   EyeOff,
   Hexagon,
   ListTree,
@@ -2906,6 +2908,20 @@ export function IssueDetail() {
             </Link>
           )}
 
+          {issue.productivityReview ? (
+            <ProductivityReviewBadge review={issue.productivityReview} />
+          ) : null}
+
+          {issue.originKind === "issue_productivity_review" ? (
+            <span
+              className="inline-flex items-center gap-1 rounded-full border border-amber-500/40 bg-amber-500/10 px-2 py-0.5 text-[10px] font-medium text-amber-700 dark:text-amber-300 shrink-0"
+              title="This task is a productivity review."
+            >
+              <Eye className="h-3 w-3" />
+              Productivity review
+            </span>
+          ) : null}
+
           {issue.projectId ? (
             <Link
               to={`/projects/${issue.projectId}`}
diff --git a/ui/storybook/stories/status-language.stories.tsx b/ui/storybook/stories/status-language.stories.tsx
index 137fc320ab1..fb9e1a82f86 100644
--- a/ui/storybook/stories/status-language.stories.tsx
+++ b/ui/storybook/stories/status-language.stories.tsx
@@ -1,7 +1,11 @@
 import { useState } from "react";
 import type { Meta, StoryObj } from "@storybook/react-vite";
 import { AGENT_STATUSES, ISSUE_PRIORITIES, ISSUE_STATUSES } from "@paperclipai/shared";
-import type { IssueBlockerAttention, IssueRelationIssueSummary } from "@paperclipai/shared";
+import type {
+  IssueBlockerAttention,
+  IssueProductivityReview,
+  IssueRelationIssueSummary,
+} from "@paperclipai/shared";
 import { Bot, CheckCircle2, Clock3, DollarSign, FolderKanban, Inbox, MessageSquare, Users } from "lucide-react";
 import { CopyText } from "@/components/CopyText";
 import { EmptyState } from "@/components/EmptyState";
@@ -10,6 +14,7 @@ import { IssueBlockedNotice } from "@/components/IssueBlockedNotice";
 import { IssueRow } from "@/components/IssueRow";
 import { MetricCard } from "@/components/MetricCard";
 import { PriorityIcon } from "@/components/PriorityIcon";
+import { ProductivityReviewBadge } from "@/components/ProductivityReviewBadge";
 import { QuotaBar } from "@/components/QuotaBar";
 import { StatusBadge } from "@/components/StatusBadge";
 import { StatusIcon } from "@/components/StatusIcon";
@@ -370,6 +375,112 @@ function CoveredBlockedSurface({ mode, size }: { mode: "light" | "dark"; size: "
   );
 }
 
+type ProductivityReviewFixture = {
+  label: string;
+  description: string;
+  review: IssueProductivityReview;
+};
+
+const productivityReviewFixtures: ProductivityReviewFixture[] = [
+  {
+    label: "No-comment streak",
+    description: "Source issue has had 12 completed runs without a run-created comment.",
+    review: {
+      reviewIssueId: "review-issue-1",
+      reviewIdentifier: "PAP-2702",
+      status: "todo",
+      priority: "high",
+      trigger: "no_comment_streak",
+      noCommentStreak: 12,
+      createdAt: new Date("2026-04-28T13:30:00.000Z"),
+      updatedAt: new Date("2026-04-28T13:55:00.000Z"),
+    },
+  },
+  {
+    label: "Long active duration",
+    description: "Source issue has been actively running for over 6 hours.",
+    review: {
+      reviewIssueId: "review-issue-2",
+      reviewIdentifier: "PAP-2703",
+      status: "in_progress",
+      priority: "medium",
+      trigger: "long_active_duration",
+      noCommentStreak: null,
+      createdAt: new Date("2026-04-28T08:30:00.000Z"),
+      updatedAt: new Date("2026-04-28T13:00:00.000Z"),
+    },
+  },
+  {
+    label: "High churn",
+    description: "Source issue is producing >10 runs/comments per hour.",
+    review: {
+      reviewIssueId: "review-issue-3",
+      reviewIdentifier: "PAP-2704",
+      status: "todo",
+      priority: "high",
+      trigger: "high_churn",
+      noCommentStreak: 4,
+      createdAt: new Date("2026-04-28T13:45:00.000Z"),
+      updatedAt: new Date("2026-04-28T13:55:00.000Z"),
+    },
+  },
+];
+
+const productivityReviewIssueRowFixtures = productivityReviewFixtures.map((fixture, index) =>
+  createIssue({
+    id: `issue-productivity-source-${index + 1}`,
+    identifier: `PAP-${2710 + index}`,
+    issueNumber: 2710 + index,
+    title: `Source issue under review · ${fixture.label}`,
+    status: index === 1 ? "in_progress" : "in_progress",
+    priority: fixture.review.priority,
+    productivityReview: fixture.review,
+    lastActivityAt: fixture.review.updatedAt,
+    updatedAt: fixture.review.updatedAt,
+  }),
+);
+
+function ProductivityReviewMatrix() {
+  return (
+    <div className="space-y-5">
+      <div className="grid gap-3 md:grid-cols-3">
+        {productivityReviewFixtures.map((fixture) => (
+          <div
+            key={fixture.label}
+            className="flex flex-col gap-3 rounded-lg border border-border bg-background/70 p-4"
+          >
+            <div className="flex items-start justify-between gap-3">
+              <div>
+                <div className="text-sm font-medium">{fixture.label}</div>
+                <div className="mt-1 text-xs text-muted-foreground">{fixture.description}</div>
+              </div>
+              <ProductivityReviewBadge review={fixture.review} />
+            </div>
+            <div className="rounded-md bg-muted/45 px-2.5 py-2 font-mono text-[11px] leading-5 text-muted-foreground">
+              Trigger {fixture.review.trigger ?? "unknown"} · review {fixture.review.reviewIdentifier}
+            </div>
+          </div>
+        ))}
+      </div>
+      <div className="rounded-lg border border-border">
+        <div className="border-b border-border px-3 py-2 text-xs font-medium text-muted-foreground">
+          IssueRow with productivity-review indicator
+        </div>
+        <div>
+          {productivityReviewIssueRowFixtures.map((issue) => (
+            <IssueRow key={issue.id} issue={issue} mobileMeta={<StatusBadge status={issue.status} />} />
+          ))}
+        </div>
+      </div>
+      <p className="text-xs text-muted-foreground">
+        The amber pill links from the source issue header to the open productivity-review child. List rows
+        get a smaller eye glyph next to the status icon so operators can spot yellow tasks without the
+        clickable label. The review issue itself shows the same amber pill in static (non-link) form.
+      </p>
+    </div>
+  );
+}
+
 function StatusLanguage() {
   const [priority, setPriority] = useState("high");
 
@@ -466,6 +577,10 @@ function StatusLanguage() {
           </p>
         </Section>
 
+        <Section eyebrow="Productivity review" title="Yellow accountability state on source issues">
+          <ProductivityReviewMatrix />
+        </Section>
+
         <Section eyebrow="Priority" title="Static labels and editable popover trigger">
           <div className="grid gap-4 lg:grid-cols-[1fr_320px]">
             <div className="grid gap-3 sm:grid-cols-2">