diff --git a/src/main/orchestration-service.ts b/src/main/orchestration-service.ts
index e6e40a36..cc89df56 100644
--- a/src/main/orchestration-service.ts
+++ b/src/main/orchestration-service.ts
@@ -4,6 +4,9 @@ import { getConnectorExecutionReadinessIssue } from "@shared/connector-policy";
 import type { DesktopResult } from "@shared/contracts";
 import type { ConnectorRecord } from "@shared/types";
 import type { NotificationOptions } from "./notification-service";
+import { sweepStaleReviews } from "./task-quality-gates";
+import { resolveApprovalDecision } from "./approval-policy";
+import { dispatchAgentMessage } from "./message-dispatch";
 
 type WorkspaceLockMode = "exclusive" | "shared" | "none";
 
@@ -678,6 +681,34 @@ export function createOrchestrationService({
               db.setLastBudgetResetMonth(company.id, currentMonth);
               logger.info(`[heartbeat] Reset monthly budgets for company ${company.name} (${currentMonth})`);
             }
+
+            // TASK-04: Stale review escalation sweep
+            try {
+              const escalated = sweepStaleReviews(company.id, {
+                db: db as unknown as import("./task-quality-gates").SweepStaleReviewsDeps["db"],
+                dispatchAgentMessage: dispatchAgentMessage as unknown as import("./task-quality-gates").SweepStaleReviewsDeps["dispatchAgentMessage"],
+                resolveApprovalDecision: resolveApprovalDecision as unknown as import("./task-quality-gates").SweepStaleReviewsDeps["resolveApprovalDecision"],
+                notify: notify as unknown as import("./task-quality-gates").SweepStaleReviewsDeps["notify"],
+                handleTaskStatusChange: (_taskId: string, _companyId: string, _prev: string, _next: string) => {
+                  publishDomainChanged();
+                },
+                handleApprovalResolved: (_approvalId: string, _companyId: string, _decision: string) => {
+                  publishDomainChanged();
+                },
+                emitEvent: (..._args: unknown[]) => {},
+                publishDomainChanged,
+                wakeAgentIfPossible: (agentId: string, cId: string, trigger: string) => {
+                  wakeAgentIfPossible(agentId, cId, trigger);
+                },
+                logger,
+              });
+              if (escalated > 0) {
+                logger.info(`[heartbeat] Auto-escalated ${escalated} stale review(s) for company ${company.name}`);
+                publishDomainChanged();
+              }
+            } catch (error) {
+              logger.error(`[heartbeat] Stale review sweep failed: ${error instanceof Error ? error.message : String(error)}`);
+            }
           } catch (error) {
             logger.error(`[heartbeat] Error processing company ${company.id}: ${error instanceof Error ? error.message : String(error)}`);
           }
diff --git a/tests/unit/task-quality-gates.test.ts b/tests/unit/task-quality-gates.test.ts
index 68255855..59be2811 100644
--- a/tests/unit/task-quality-gates.test.ts
+++ b/tests/unit/task-quality-gates.test.ts
@@ -237,7 +237,7 @@ describe("sweepStaleReviews", () => {
 
   it("escalates to manager's manager when task in_review for 35 minutes", () => {
     const deps = makeSweepDeps();
-    const dbMock = deps.db as { queryAll: ReturnType<typeof vi.fn>; getManagerForAgent: ReturnType<typeof vi.fn>; getChainOfCommand: ReturnType<typeof vi.fn> };
+    const dbMock = deps.db as unknown as { queryAll: ReturnType<typeof vi.fn>; getManagerForAgent: ReturnType<typeof vi.fn>; getChainOfCommand: ReturnType<typeof vi.fn> };
 
     // Task in review for 35 min
     dbMock.queryAll.mockReturnValueOnce([
@@ -265,7 +265,7 @@ describe("sweepStaleReviews", () => {
 
   it("does not escalate when task in_review for only 25 minutes (under threshold)", () => {
     const deps = makeSweepDeps();
-    const dbMock = deps.db as { queryAll: ReturnType<typeof vi.fn> };
+    const dbMock = deps.db as unknown as { queryAll: ReturnType<typeof vi.fn> };
 
     dbMock.queryAll.mockReturnValueOnce([
       { id: "task-1", assigneeAgentId: "agent-1", updatedAt: TWENTY_FIVE_MIN_AGO, title: "Build login" },
@@ -279,7 +279,7 @@ describe("sweepStaleReviews", () => {
 
   it("notifies human when no higher manager (reviewer is CEO)", () => {
     const deps = makeSweepDeps();
-    const dbMock = deps.db as { queryAll: ReturnType<typeof vi.fn>; getManagerForAgent: ReturnType<typeof vi.fn>; getChainOfCommand: ReturnType<typeof vi.fn> };
+    const dbMock = deps.db as unknown as { queryAll: ReturnType<typeof vi.fn>; getManagerForAgent: ReturnType<typeof vi.fn>; getChainOfCommand: ReturnType<typeof vi.fn> };
 
     dbMock.queryAll
       .mockReturnValueOnce([
@@ -305,7 +305,7 @@ describe("sweepStaleReviews", () => {
 
   it("auto-approves pending approval linked to stale review task", () => {
     const deps = makeSweepDeps();
-    const dbMock = deps.db as { queryAll: ReturnType<typeof vi.fn>; getManagerForAgent: ReturnType<typeof vi.fn>; getChainOfCommand: ReturnType<typeof vi.fn> };
+    const dbMock = deps.db as unknown as { queryAll: ReturnType<typeof vi.fn>; getManagerForAgent: ReturnType<typeof vi.fn>; getChainOfCommand: ReturnType<typeof vi.fn> };
 
     // First queryAll: stale task
     dbMock.queryAll.mockReturnValueOnce([
@@ -332,7 +332,7 @@ describe("sweepStaleReviews", () => {
 
   it("catches resolveApprovalDecision error gracefully (race condition)", () => {
     const deps = makeSweepDeps();
-    const dbMock = deps.db as { queryAll: ReturnType<typeof vi.fn>; getManagerForAgent: ReturnType<typeof vi.fn>; getChainOfCommand: ReturnType<typeof vi.fn> };
+    const dbMock = deps.db as unknown as { queryAll: ReturnType<typeof vi.fn>; getManagerForAgent: ReturnType<typeof vi.fn>; getChainOfCommand: ReturnType<typeof vi.fn> };
 
     dbMock.queryAll.mockReturnValueOnce([
       { id: "task-1", assigneeAgentId: "agent-1", updatedAt: THIRTY_FIVE_MIN_AGO, title: "Build login" },
@@ -352,7 +352,7 @@ describe("sweepStaleReviews", () => {
 
   it("advances task status to done after escalation", () => {
     const deps = makeSweepDeps();
-    const dbMock = deps.db as { queryAll: ReturnType<typeof vi.fn>; getManagerForAgent: ReturnType<typeof vi.fn>; getChainOfCommand: ReturnType<typeof vi.fn>; advanceTaskStatus: ReturnType<typeof vi.fn> };
+    const dbMock = deps.db as unknown as { queryAll: ReturnType<typeof vi.fn>; getManagerForAgent: ReturnType<typeof vi.fn>; getChainOfCommand: ReturnType<typeof vi.fn>; advanceTaskStatus: ReturnType<typeof vi.fn> };
 
     dbMock.queryAll.mockReturnValueOnce([
       { id: "task-1", assigneeAgentId: "agent-1", updatedAt: THIRTY_FIVE_MIN_AGO, title: "Build login" },
@@ -373,7 +373,7 @@ describe("sweepStaleReviews", () => {
 
   it("skips task with no assigneeAgentId", () => {
     const deps = makeSweepDeps();
-    const dbMock = deps.db as { queryAll: ReturnType<typeof vi.fn> };
+    const dbMock = deps.db as unknown as { queryAll: ReturnType<typeof vi.fn> };
 
     dbMock.queryAll.mockReturnValueOnce([
       { id: "task-1", assigneeAgentId: null, updatedAt: THIRTY_FIVE_MIN_AGO, title: "Orphan task" },