diff --git a/docs/gateway/restart-recovery.md b/docs/gateway/restart-recovery.md
index 35daec2a8118..ee9cf152420d 100644
--- a/docs/gateway/restart-recovery.md
+++ b/docs/gateway/restart-recovery.md
@@ -159,6 +159,14 @@ SQLite before the process exits. After boot the gateway posts the outcome back
 to the originating chat and dispatches a one-shot continuation turn so the
 agent picks up exactly where it left off, on the same channel and thread.
 
+The sentinel's typed SQLite columns are authoritative for restart handling;
+its `payload_json` value is a replay/debug shadow only. Runtime reads, writes,
+and clears SQLite state without a file fallback. During the storage cutover, a
+bounded state migration runs at startup and through Doctor to preserve a
+validated `restart-sentinel.json` left by the older process after an update.
+The migration verifies the typed row and removes the source file before normal
+restart handling continues.
+
 ## Safety valves and observability
 
 - **Crash-loop breaker:** 3 unclean boots within 5 minutes trip a breaker that
diff --git a/docs/refactor/database-first.md b/docs/refactor/database-first.md
index ae0408e47cd4..41bd27105bcd 100644
--- a/docs/refactor/database-first.md
+++ b/docs/refactor/database-first.md
@@ -1256,8 +1256,12 @@ sessionId})`; create, branch, continue, list, and fork flows live in their
 - Gateway restart sentinel state now uses typed shared SQLite
   `gateway_restart_sentinel` rows instead of `restart-sentinel.json`; runtime
   reads sentinel kind, status, routing, message, continuation, and stats from
-  typed columns. `payload_json` is only a replay/debug copy. Runtime code clears
-  the SQLite row directly and no longer carries file cleanup plumbing.
+  typed columns. Those columns are authoritative; `payload_json` is only a
+  replay/debug shadow. Runtime read, write, and clear paths are SQLite-only.
+  One bounded state-migration module runs during startup and Doctor to import a
+  validated older post-update sentinel before normal restart recovery, verify
+  the typed row, and remove the source file. No steady-state runtime module
+  reads, writes, or cleans up the legacy file.
 - Gateway restart intent and supervisor handoff state now use typed shared
   SQLite `gateway_restart_intent` and `gateway_restart_handoff` rows instead of
   `gateway-restart-intent.json` and
diff --git a/scripts/check-database-first-legacy-stores.mjs b/scripts/check-database-first-legacy-stores.mjs
index b0d31720a59e..865e97bcf25d 100644
--- a/scripts/check-database-first-legacy-stores.mjs
+++ b/scripts/check-database-first-legacy-stores.mjs
@@ -84,6 +84,26 @@ const fsSafePackageModulePattern = /^@openclaw\/fs-safe(?:\/(?:root|store))?$/u;
 
 const bridgeMarkerPattern = /\btranscriptLocator\b|sqlite-transcript:\/\//u;
 
+// The restart handoff must survive its one cutover migration without leaving
+// filesystem fallback imports in the steady-state runtime owner.
+const legacyRestartSentinelMigrationPath = "src/infra/state-migrations.restart-sentinel.ts";
+const legacyRestartSentinelPreflightPath = "src/cli/program/config-guard.ts";
+const legacyRestartSentinelRuntimePath = "src/infra/restart-sentinel.ts";
+const legacyRestartSentinelPreflightFilenames = new Set([
+  "restart-sentinel.json",
+  "restart-sentinel.json.doctor-importing",
+]);
+const legacyRestartSentinelFilenamePattern =
+  /(?:^|[/\\])restart-sentinel\.json(?:\.doctor-importing)?$/u;
+const legacyRestartSentinelRuntimeImportSpecifiers = new Set([
+  "fs",
+  "fs/promises",
+  "node:fs",
+  "node:fs/promises",
+  "node:path",
+  "path",
+]);
+
 const legacyStorePatterns = [
   /\bsessions\.json\b/u,
   /\.trajectory\.jsonl\b/u,
@@ -129,6 +149,7 @@ const allowedRuntimeMigrationPaths = [
   "src/infra/state-migrations.managed-outgoing-images.ts",
   "src/infra/state-migrations.apns.ts",
   "src/infra/state-migrations.mcp-oauth.ts",
+  legacyRestartSentinelMigrationPath,
   "src/infra/state-migrations.workspace-setup.ts",
   "src/infra/state-migrations.web-push.ts",
   "src/infra/state-migrations.node-host.ts",
@@ -327,6 +348,86 @@ function importSource(node) {
   return ts.isStringLiteral(moduleSpecifier) ? moduleSpecifier.text : "";
 }
 
+function isLegacyRestartSentinelPreflightDetection(node, relativePath) {
+  if (
+    relativePath !== legacyRestartSentinelPreflightPath ||
+    !legacyRestartSentinelPreflightFilenames.has(node.text)
+  ) {
+    return false;
+  }
+  const joinCall = node.parent;
+  if (
+    !ts.isCallExpression(joinCall) ||
+    joinCall.arguments.length !== 2 ||
+    joinCall.arguments[1] !== node ||
+    !ts.isPropertyAccessExpression(joinCall.expression) ||
+    !ts.isIdentifier(joinCall.expression.expression) ||
+    joinCall.expression.expression.text !== "path" ||
+    joinCall.expression.name.text !== "join" ||
+    !ts.isIdentifier(joinCall.arguments[0]) ||
+    joinCall.arguments[0].text !== "stateDir"
+  ) {
+    return false;
+  }
+  const paths = joinCall.parent;
+  if (!ts.isArrayLiteralExpression(paths)) {
+    return false;
+  }
+  const someAccess = paths.parent;
+  if (
+    !ts.isPropertyAccessExpression(someAccess) ||
+    someAccess.expression !== paths ||
+    someAccess.name.text !== "some"
+  ) {
+    return false;
+  }
+  const someCall = someAccess.parent;
+  return (
+    ts.isCallExpression(someCall) &&
+    someCall.arguments.length === 1 &&
+    ts.isIdentifier(someCall.arguments[0]) &&
+    someCall.arguments[0].text === "fileOrDirExists"
+  );
+}
+
+function collectLegacyRestartSentinelBoundaryViolations(sourceFile, relativePath) {
+  if (relativePath === legacyRestartSentinelMigrationPath) {
+    return [];
+  }
+
+  const violations = [];
+  const seen = new Set();
+  function add(node, kind) {
+    const line = toLine(sourceFile, node);
+    const key = `${line}:${kind}`;
+    if (seen.has(key)) {
+      return;
+    }
+    seen.add(key);
+    violations.push({ kind, line });
+  }
+
+  function visit(node) {
+    if (
+      ts.isStringLiteralLike(node) &&
+      legacyRestartSentinelFilenamePattern.test(node.text) &&
+      !isLegacyRestartSentinelPreflightDetection(node, relativePath)
+    ) {
+      add(node, "legacy restart sentinel reference");
+    }
+    if (
+      relativePath === legacyRestartSentinelRuntimePath &&
+      ts.isImportDeclaration(node) &&
+      legacyRestartSentinelRuntimeImportSpecifiers.has(importSource(node))
+    ) {
+      add(node, "legacy restart sentinel filesystem import");
+    }
+    ts.forEachChild(node, visit);
+  }
+  visit(sourceFile);
+  return violations;
+}
+
 function isHelperWriteModuleSource(source) {
   return (
     source === "openclaw/plugin-sdk/file-access-runtime" ||
@@ -526,21 +627,28 @@ function legacyCandidateTexts(sourceFile, node) {
  */
 export function collectDatabaseFirstLegacyStoreViolations(
   content,
-  relativePath = "source.ts",
+  inputRelativePath = "source.ts",
   scanOptions = {},
 ) {
+  const relativePath = inputRelativePath.replaceAll("\\", "/");
+  const sourceFile = ts.createSourceFile(relativePath, content, ts.ScriptTarget.Latest, true);
+  const boundaryViolations = collectLegacyRestartSentinelBoundaryViolations(
+    sourceFile,
+    relativePath,
+  );
   if (isAllowedLegacyOwnerPath(relativePath)) {
-    return [];
+    return boundaryViolations;
   }
 
-  const sourceFile = ts.createSourceFile(relativePath, content, ts.ScriptTarget.Latest, true);
   const currentLegacyWriteAllowances =
     scanOptions.currentLegacyWriteAllowances ?? currentLegacyWriteViolationAllowances(relativePath);
   const createRequireBindings = collectCreateRequireBindings(sourceFile);
   const { fsModuleBindings, fsWriteAliases, fsSafeStoreFactoryAliases } =
     collectFsBindings(sourceFile);
-  const violations = [];
-  const seenViolations = new Set();
+  const violations = [...boundaryViolations];
+  const seenViolations = new Set(
+    boundaryViolations.map((violation) => `${violation.line}:${violation.kind}`),
+  );
   const fsModuleBindingScopes = [new Map([...fsModuleBindings].map((name) => [name, true]))];
   const fsModulePropertyScopes = [new Map()];
   const fsWriteAliasScopes = [fsWriteAliases];
diff --git a/src/cli/program/config-guard.test.ts b/src/cli/program/config-guard.test.ts
index 90b2bb725dbd..57de193caeba 100644
--- a/src/cli/program/config-guard.test.ts
+++ b/src/cli/program/config-guard.test.ts
@@ -207,6 +207,23 @@ describe("ensureConfigReady", () => {
     });
   });
 
+  it.each(["restart-sentinel.json", "restart-sentinel.json.doctor-importing"])(
+    "runs doctor flow when lightweight startup detection finds %s",
+    async (relativePath) => {
+      const root = useTempOpenClawHome();
+      writeStateMarker(root, relativePath);
+
+      await runEnsureConfigReady(["status"]);
+
+      expect(loadAndMaybeMigrateDoctorConfigMock).toHaveBeenCalledWith({
+        migrateState: true,
+        migrateLegacyConfig: false,
+        invalidConfigNote: false,
+        observe: false,
+      });
+    },
+  );
+
   it("runs doctor flow when lightweight startup detection finds a pending SQLite archive", async () => {
     const root = useTempOpenClawHome();
     writePendingTaskSidecarArchiveMarker(root);
diff --git a/src/cli/program/config-guard.ts b/src/cli/program/config-guard.ts
index 8d0d8f02018e..8978a55a29c6 100644
--- a/src/cli/program/config-guard.ts
+++ b/src/cli/program/config-guard.ts
@@ -124,6 +124,8 @@ function hasLegacyStateMigrationInputs(): boolean {
       path.join(stateDir, "agent"),
       path.join(stateDir, "agents"),
       path.join(stateDir, "plugins", "installs.json"),
+      path.join(stateDir, "restart-sentinel.json"),
+      path.join(stateDir, "restart-sentinel.json.doctor-importing"),
       path.join(stateDir, "sessions"),
       path.join(stateDir, "state", "openclaw.sqlite"),
     ].some(fileOrDirExists) ||
diff --git a/src/gateway/server-restart-sentinel-notice.test.ts b/src/gateway/server-restart-sentinel-notice.test.ts
new file mode 100644
index 000000000000..1c63c2304856
--- /dev/null
+++ b/src/gateway/server-restart-sentinel-notice.test.ts
@@ -0,0 +1,173 @@
+// Exercises restart-notice retries against the real SQLite outbound queue.
+import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
+import { useAutoCleanupTempDirTracker } from "../../test/helpers/temp-dir.js";
+import { getDeliveryQueueEntryStatus } from "../infra/delivery-queue-sqlite.js";
+import { PlatformMessageNotDispatchedError } from "../infra/outbound/deliver-types.js";
+import { loadPendingDelivery } from "../infra/outbound/delivery-queue-storage.js";
+import { markDeliveryPlatformSendAttemptStarted } from "../infra/outbound/delivery-queue.js";
+import { closeOpenClawStateDatabaseForTest } from "../state/openclaw-state-db.js";
+import { captureEnv, setTestEnvValue } from "../test-utils/env.js";
+
+const mocks = vi.hoisted(() => ({
+  sendDurableMessageBatch: vi.fn(),
+  recoveryDeliver: vi.fn(),
+  resolveOutboundChannelMessageAdapter: vi.fn(() => undefined),
+  sleep: vi.fn(async () => {}),
+}));
+
+vi.mock("../channels/message/runtime.js", () => ({
+  sendDurableMessageBatch: mocks.sendDurableMessageBatch,
+}));
+
+vi.mock("../infra/outbound/deliver.js", () => ({
+  deliverOutboundPayloadsInternal: mocks.recoveryDeliver,
+}));
+
+vi.mock("../infra/outbound/channel-resolution.js", () => ({
+  resolveOutboundChannelMessageAdapter: mocks.resolveOutboundChannelMessageAdapter,
+}));
+
+vi.mock("../utils/sleep.js", () => ({ sleep: mocks.sleep }));
+
+const { deliverRestartSentinelNotice, enqueueRestartSentinelNotice } =
+  await import("./server-restart-sentinel-notice.js");
+
+type DeliveryRequest = { deliveryQueueId?: string; deliveryQueueStateDir?: string };
+
+describe("restart sentinel notice recovery", () => {
+  let envSnapshot: ReturnType<typeof captureEnv> | undefined;
+  let stateDir = "";
+  const tempDirs = useAutoCleanupTempDirTracker((cleanup) => {
+    afterEach(() => {
+      closeOpenClawStateDatabaseForTest();
+      envSnapshot?.restore();
+      envSnapshot = undefined;
+      cleanup();
+    });
+  });
+
+  beforeEach(() => {
+    closeOpenClawStateDatabaseForTest();
+    stateDir = tempDirs.make("openclaw-restart-notice-");
+    envSnapshot = captureEnv(["OPENCLAW_STATE_DIR"]);
+    setTestEnvValue("OPENCLAW_STATE_DIR", stateDir);
+    mocks.sendDurableMessageBatch.mockReset();
+    mocks.recoveryDeliver.mockReset();
+    mocks.resolveOutboundChannelMessageAdapter.mockClear();
+    mocks.sleep.mockClear();
+  });
+
+  async function enqueueNotice(): Promise<string> {
+    const queued = await enqueueRestartSentinelNotice({
+      channel: "whatsapp",
+      to: "+15550002",
+      message: "restart complete",
+      sessionKey: "agent:main:main",
+      revision: 123,
+    });
+    return queued.id;
+  }
+
+  async function deliverNotice(queueId: string): Promise<void> {
+    await deliverRestartSentinelNotice({
+      deps: {} as never,
+      cfg: {},
+      channel: "whatsapp",
+      to: "+15550002",
+      message: "restart complete",
+      sessionKey: "agent:main:main",
+      summary: "restart summary",
+      queueId,
+    });
+  }
+
+  async function markAttempt(request: unknown): Promise<void> {
+    const { deliveryQueueId, deliveryQueueStateDir } = request as DeliveryRequest;
+    if (!deliveryQueueId) {
+      throw new Error("expected durable delivery queue id");
+    }
+    await markDeliveryPlatformSendAttemptStarted(deliveryQueueId, deliveryQueueStateDir);
+  }
+
+  function queueStatus(queueId: string): string | undefined {
+    return getDeliveryQueueEntryStatus("outbound", queueId, stateDir);
+  }
+
+  it("replays a retryable provider-not-dispatched failure after the startup scan", async () => {
+    const queueId = await enqueueNotice();
+    mocks.sendDurableMessageBatch.mockImplementationOnce(async (request) => {
+      await markAttempt(request);
+      return {
+        status: "failed",
+        error: new PlatformMessageNotDispatchedError("connect failed before dispatch", {
+          cause: new Error("connect failed"),
+        }),
+      };
+    });
+    mocks.recoveryDeliver.mockResolvedValueOnce([
+      { channel: "whatsapp", messageId: "recovered-1" },
+    ]);
+
+    await deliverNotice(queueId);
+
+    expect(mocks.recoveryDeliver).toHaveBeenCalledOnce();
+    expect(await loadPendingDelivery(queueId)).toBeNull();
+    expect(queueStatus(queueId)).toBe("completed");
+  });
+
+  it("does not blindly resend an ambiguous platform attempt", async () => {
+    const queueId = await enqueueNotice();
+    mocks.sendDurableMessageBatch.mockImplementationOnce(async (request) => {
+      await markAttempt(request);
+      return { status: "failed", error: new Error("platform outcome unknown") };
+    });
+
+    await deliverNotice(queueId);
+
+    expect(mocks.recoveryDeliver).not.toHaveBeenCalled();
+    expect(await loadPendingDelivery(queueId)).toBeNull();
+    expect(queueStatus(queueId)).toBe("failed");
+  });
+
+  it("dead-letters a permanent provider rejection without replay", async () => {
+    const queueId = await enqueueNotice();
+    mocks.sendDurableMessageBatch.mockImplementationOnce(async (request) => {
+      await markAttempt(request);
+      return {
+        status: "failed",
+        error: new PlatformMessageNotDispatchedError("payload rejected", {
+          cause: new Error("invalid payload"),
+          retryable: false,
+        }),
+      };
+    });
+
+    await deliverNotice(queueId);
+
+    expect(mocks.recoveryDeliver).not.toHaveBeenCalled();
+    expect(await loadPendingDelivery(queueId)).toBeNull();
+    expect(queueStatus(queueId)).toBe("failed");
+  });
+
+  it("preserves the shipped 45-attempt budget before dead-lettering", async () => {
+    const queueId = await enqueueNotice();
+    const retryableFailure = () =>
+      new PlatformMessageNotDispatchedError("transport unavailable before dispatch", {
+        cause: new Error("transport unavailable"),
+      });
+    mocks.sendDurableMessageBatch.mockImplementationOnce(async (request) => {
+      await markAttempt(request);
+      return { status: "failed", error: retryableFailure() };
+    });
+    mocks.recoveryDeliver.mockImplementation(async (request) => {
+      await markAttempt(request);
+      throw retryableFailure();
+    });
+
+    await deliverNotice(queueId);
+
+    expect(mocks.sendDurableMessageBatch).toHaveBeenCalledOnce();
+    expect(mocks.recoveryDeliver).toHaveBeenCalledTimes(44);
+    expect(queueStatus(queueId)).toBe("failed");
+  });
+});
diff --git a/src/gateway/server-restart-sentinel-notice.ts b/src/gateway/server-restart-sentinel-notice.ts
new file mode 100644
index 000000000000..9458b7b929e8
--- /dev/null
+++ b/src/gateway/server-restart-sentinel-notice.ts
@@ -0,0 +1,260 @@
+// Durable outbound notice ownership for restart-sentinel recovery.
+import { sendDurableMessageBatch } from "../channels/message/runtime.js";
+import type { CliDeps } from "../cli/deps.types.js";
+import type { OpenClawConfig } from "../config/types.openclaw.js";
+import {
+  findPlatformMessageRejectedError,
+  isProvenDeliveryNotSentError,
+} from "../infra/delivery-recovery.shared.js";
+import { formatErrorMessage } from "../infra/errors.js";
+import { deliverOutboundPayloadsInternal } from "../infra/outbound/deliver.js";
+import {
+  failPendingDelivery,
+  loadPendingDelivery,
+  reserveDeliveryAttempt,
+} from "../infra/outbound/delivery-queue-storage.js";
+import {
+  ackDelivery,
+  drainPendingDeliveries,
+  enqueueDeliveryOnce,
+  failDelivery,
+  failDeliveryAfterPlatformSend,
+  failDeliveryBeforePlatformSend,
+  withActiveDeliveryClaim,
+} from "../infra/outbound/delivery-queue.js";
+import { buildOutboundSessionContext } from "../infra/outbound/session-context.js";
+import { createSubsystemLogger } from "../logging/subsystem.js";
+
+const log = createSubsystemLogger("gateway/restart-sentinel");
+const RESTART_NOTICE_RECOVERY_DELAY_MS = process.env.VITEST ? 1 : 1_000;
+const RESTART_NOTICE_MAX_ATTEMPTS = 45;
+const RESTART_NOTICE_RECOVERY_MAX_CYCLES = RESTART_NOTICE_MAX_ATTEMPTS + 1;
+
+type RestartSentinelNoticeRoute = {
+  channel: string;
+  to: string;
+  accountId?: string;
+  replyToId?: string;
+  threadId?: string;
+};
+
+export async function enqueueRestartSentinelNotice(
+  params: RestartSentinelNoticeRoute & {
+    message: string;
+    sessionKey: string;
+    revision: number;
+  },
+): Promise<{ id: string; created: boolean }> {
+  return await enqueueDeliveryOnce(
+    {
+      channel: params.channel,
+      to: params.to,
+      accountId: params.accountId,
+      replyToId: params.replyToId,
+      threadId: params.threadId,
+      payloads: [{ text: params.message }],
+      bestEffort: false,
+      completionRetention: "permanent",
+      maxRetries: RESTART_NOTICE_MAX_ATTEMPTS,
+    },
+    `restart-sentinel-notice:${params.sessionKey}:${params.revision}`,
+  );
+}
+
+async function waitForRecoveryDrain(): Promise<void> {
+  await new Promise<void>((resolve) => {
+    const timer = setTimeout(resolve, RESTART_NOTICE_RECOVERY_DELAY_MS);
+    timer.unref?.();
+  });
+}
+
+async function drainFailedRestartSentinelNotice(params: {
+  cfg: OpenClawConfig;
+  queueId: string;
+  sessionKey: string;
+  summary: string;
+}): Promise<void> {
+  for (let cycle = 1; cycle <= RESTART_NOTICE_RECOVERY_MAX_CYCLES; cycle += 1) {
+    const beforeDrain = await loadPendingDelivery(params.queueId).catch((error: unknown) => {
+      log.warn(`${params.summary}: restart notice recovery reload failed: ${String(error)}`, {
+        queueId: params.queueId,
+        sessionKey: params.sessionKey,
+        cycle,
+      });
+      return undefined;
+    });
+    if (beforeDrain === null) {
+      return;
+    }
+    const attemptCount = beforeDrain
+      ? Math.max(beforeDrain.attemptCount ?? 0, beforeDrain.retryCount)
+      : 0;
+    // Atomic queue reservation blocks attempt 46. Exhausted rows get an
+    // immediate terminal drain; live retry attempts retain one-second spacing.
+    if (attemptCount < RESTART_NOTICE_MAX_ATTEMPTS) {
+      await waitForRecoveryDrain();
+    }
+    await drainPendingDeliveries({
+      drainKey: `restart-recovery:${params.queueId}`,
+      logLabel: `${params.summary}: restart notice recovery`,
+      cfg: params.cfg,
+      log,
+      deliver: deliverOutboundPayloadsInternal,
+      selectEntry: (entry) => ({
+        match: entry.id === params.queueId,
+        // The caller already waits between attempts. Recovery still reconciles
+        // send-attempt evidence before it permits recipient-visible replay.
+        bypassBackoff: true,
+      }),
+    }).catch((error: unknown) => {
+      log.warn(`${params.summary}: restart notice recovery drain failed: ${String(error)}`, {
+        queueId: params.queueId,
+        sessionKey: params.sessionKey,
+        cycle,
+      });
+    });
+  }
+  const pending = await loadPendingDelivery(params.queueId).catch((error: unknown) => {
+    log.warn(`${params.summary}: restart notice terminal reload failed: ${String(error)}`, {
+      queueId: params.queueId,
+      sessionKey: params.sessionKey,
+    });
+    return undefined;
+  });
+  if (pending === null) {
+    return;
+  }
+  log.warn(`${params.summary}: restart notice remains queued after bounded recovery`, {
+    queueId: params.queueId,
+    sessionKey: params.sessionKey,
+    retryCount: pending?.retryCount ?? null,
+    attemptCount: pending?.attemptCount ?? null,
+    maxAttempts: RESTART_NOTICE_MAX_ATTEMPTS,
+  });
+}
+
+export async function deliverRestartSentinelNotice(
+  params: RestartSentinelNoticeRoute & {
+    deps: CliDeps;
+    cfg: OpenClawConfig;
+    sessionKey: string;
+    summary: string;
+    message: string;
+    queueId: string;
+  },
+): Promise<void> {
+  const claim = await withActiveDeliveryClaim(params.queueId, async () => {
+    try {
+      const reservation = await reserveDeliveryAttempt(params.queueId, RESTART_NOTICE_MAX_ATTEMPTS);
+      if (reservation.status === "exhausted") {
+        return false;
+      }
+    } catch (err) {
+      log.warn(
+        `${params.summary}: outbound delivery attempt reservation failed; queued for recovery: ${formatErrorMessage(err)}`,
+        {
+          channel: params.channel,
+          to: params.to,
+          sessionKey: params.sessionKey,
+        },
+      );
+      return false;
+    }
+    try {
+      const send = await sendDurableMessageBatch({
+        cfg: params.cfg,
+        channel: params.channel,
+        to: params.to,
+        accountId: params.accountId,
+        replyToId: params.replyToId,
+        threadId: params.threadId,
+        payloads: [{ text: params.message }],
+        session: buildOutboundSessionContext({ cfg: params.cfg, sessionKey: params.sessionKey }),
+        deps: params.deps,
+        bestEffort: false,
+        skipQueue: true,
+        deliveryQueueId: params.queueId,
+      });
+      if (send.status === "failed" || send.status === "partial_failed") {
+        throw send.error;
+      }
+      const results = send.status === "sent" ? send.results : [];
+      if (results.length === 0) {
+        throw new Error("outbound delivery returned no results");
+      }
+      try {
+        await ackDelivery(params.queueId);
+        return true;
+      } catch (err) {
+        const error = formatErrorMessage(err);
+        await failDeliveryAfterPlatformSend(params.queueId, error).catch(() => undefined);
+        log.warn(`${params.summary}: outbound delivery ack failed; queued for recovery: ${error}`, {
+          channel: params.channel,
+          to: params.to,
+          sessionKey: params.sessionKey,
+        });
+        return false;
+      }
+    } catch (err) {
+      // The send path records platform-attempt evidence on this queue row.
+      // Durable recovery owns retries so ambiguous outcomes are reconciled
+      // before another recipient-visible send can begin.
+      const error = formatErrorMessage(err);
+      const permanentRejection = findPlatformMessageRejectedError(err);
+      if (permanentRejection) {
+        try {
+          const pending = await loadPendingDelivery(params.queueId);
+          if (pending) {
+            await failPendingDelivery({
+              id: params.queueId,
+              expectedStatus: "pending",
+              lastError: error,
+              entry: pending,
+            });
+          }
+        } catch (persistError) {
+          log.warn(
+            `${params.summary}: permanent rejection persistence failed; queued for recovery: ${formatErrorMessage(persistError)}`,
+            {
+              channel: params.channel,
+              to: params.to,
+              sessionKey: params.sessionKey,
+            },
+          );
+          return false;
+        }
+        log.warn(`${params.summary}: outbound delivery permanently rejected: ${error}`, {
+          channel: params.channel,
+          to: params.to,
+          sessionKey: params.sessionKey,
+        });
+        return true;
+      }
+      const recordFailure = isProvenDeliveryNotSentError(err)
+        ? failDeliveryBeforePlatformSend
+        : failDelivery;
+      await recordFailure(params.queueId, error).catch(() => undefined);
+      log.warn(`${params.summary}: outbound delivery failed; queued for recovery: ${String(err)}`, {
+        channel: params.channel,
+        to: params.to,
+        sessionKey: params.sessionKey,
+      });
+      return false;
+    }
+  });
+  if (claim.status === "claimed-by-other-owner") {
+    log.info(`${params.summary}: durable restart notice claimed by recovery`, {
+      sessionKey: params.sessionKey,
+    });
+  }
+  const needsRecovery =
+    claim.status === "claimed-by-other-owner" || (claim.status === "claimed" && !claim.value);
+  if (needsRecovery) {
+    await drainFailedRestartSentinelNotice({
+      cfg: params.cfg,
+      queueId: params.queueId,
+      sessionKey: params.sessionKey,
+      summary: params.summary,
+    });
+  }
+}
diff --git a/src/gateway/server-restart-sentinel.test.ts b/src/gateway/server-restart-sentinel.test.ts
index 9c8ede22a01d..08c29d620380 100644
--- a/src/gateway/server-restart-sentinel.test.ts
+++ b/src/gateway/server-restart-sentinel.test.ts
@@ -25,16 +25,22 @@ type AdvanceSessionDeliveryAgentRunMock =
 
 const mocks = vi.hoisted(() => {
   const state = {
-    queuedSessionDelivery: null as Record<string, unknown> | null,
+    queuedSessionDeliveries: new Map<string, Record<string, unknown>>(),
+    nextSessionDeliveryId: 1,
   };
 
   return {
     resolveSessionAgentId: vi.fn(() => "agent-from-key"),
     get queuedSessionDelivery() {
-      return state.queuedSessionDelivery;
+      return state.queuedSessionDeliveries.values().next().value ?? null;
     },
     set queuedSessionDelivery(value: Record<string, unknown> | null) {
-      state.queuedSessionDelivery = value;
+      state.queuedSessionDeliveries.clear();
+      state.nextSessionDeliveryId = 1;
+      if (value) {
+        state.queuedSessionDeliveries.set("session-delivery-1", value);
+        state.nextSessionDeliveryId = 2;
+      }
     },
     dispatchGatewayMethodInProcess: vi.fn<InProcessDispatchMock>(async () => ({
       status: "ok",
@@ -46,6 +52,7 @@ const mocks = vi.hoisted(() => {
     readRestartSentinel: vi.fn(
       async (): Promise<RestartSentinel> => ({
         version: 1,
+        revision: 123,
         payload: {
           kind: "restart",
           status: "ok",
@@ -60,7 +67,7 @@ const mocks = vi.hoisted(() => {
       }),
     ),
     finalizeUpdateRestartSentinelRunningVersion: vi.fn(async () => null),
-    clearRestartSentinel: vi.fn(async () => undefined),
+    clearRestartSentinelIfRevision: vi.fn(async () => true),
     formatRestartSentinelMessage: vi.fn(() => "restart message"),
     summarizeRestartSentinel: vi.fn(() => "restart summary"),
     resolveMainSessionKeyFromConfig: vi.fn(() => "agent:main:main"),
@@ -100,14 +107,34 @@ const mocks = vi.hoisted(() => {
       to: "+15550002",
     })) as (params?: { to?: string }) => { ok: true; to: string } | { ok: false; error: Error }),
     deliverOutboundPayloads: vi.fn(async () => [{ channel: "whatsapp", messageId: "msg-1" }]),
-    enqueueDelivery: vi.fn(async () => "queue-1"),
+    enqueueDeliveryOnce: vi.fn(async (_payload: unknown, id: string) => ({ id, created: true })),
     ackDelivery: vi.fn(async () => {}),
     failDelivery: vi.fn(async () => {}),
+    failDeliveryAfterPlatformSend: vi.fn(async () => {}),
+    failDeliveryBeforePlatformSend: vi.fn(async () => {}),
+    failPendingDelivery: vi.fn(async () => ({ status: "failed" as const })),
+    loadPendingDelivery: vi.fn(async () => null),
+    drainPendingDeliveries: vi.fn(async () => {}),
+    reserveDeliveryAttempt: vi.fn(async () => ({
+      status: "reserved" as const,
+      attemptCount: 1,
+    })),
+    withActiveDeliveryClaim: vi.fn(async (_id: string, fn: () => Promise<unknown>) => ({
+      status: "claimed" as const,
+      value: await fn(),
+    })),
     enqueueSystemEvent: vi.fn(),
     requestHeartbeat: vi.fn(),
     enqueueSessionDelivery: vi.fn(async (payload: Record<string, unknown>) => {
-      state.queuedSessionDelivery = payload;
-      return "session-delivery-1";
+      const existing = [...state.queuedSessionDeliveries.entries()].find(
+        ([, entry]) => entry.idempotencyKey === payload.idempotencyKey,
+      );
+      if (existing) {
+        return existing[0];
+      }
+      const id = `session-delivery-${state.nextSessionDeliveryId++}`;
+      state.queuedSessionDeliveries.set(id, payload);
+      return id;
     }),
     ackSessionDelivery: vi.fn(async () => {}),
     advanceSessionDeliveryAgentRun: vi.fn<AdvanceSessionDeliveryAgentRunMock>(async () => {}),
@@ -122,7 +149,9 @@ const mocks = vi.hoisted(() => {
       messageId: "generated-media-transcript",
     })),
     removeCronRunContinuationSessionIfIdle: vi.fn(async () => {}),
-    loadPendingSessionDelivery: vi.fn(async () => state.queuedSessionDelivery),
+    loadPendingSessionDelivery: vi.fn(
+      async (id: string) => state.queuedSessionDeliveries.get(id) ?? null,
+    ),
     drainPendingSessionDeliveries: vi.fn(
       async (params: {
         logLabel: string;
@@ -130,7 +159,14 @@ const mocks = vi.hoisted(() => {
         selectEntry: (entry: Record<string, unknown>, now: number) => { match: boolean };
         deliver: (entry: Record<string, unknown>) => Promise<void>;
       }) => {
-        if (!state.queuedSessionDelivery) {
+        const selected = [...state.queuedSessionDeliveries.entries()]
+          .map(([id, payload]) => ({ id, payload }))
+          .find(
+            ({ id, payload }) =>
+              params.selectEntry({ id, enqueuedAt: 1, retryCount: 0, ...payload }, Date.now())
+                .match,
+          );
+        if (!selected) {
           return;
         }
         const entry: Record<string, unknown> & {
@@ -138,18 +174,14 @@ const mocks = vi.hoisted(() => {
           enqueuedAt: number;
           retryCount: number;
         } = {
-          id: "session-delivery-1",
+          id: selected.id,
           enqueuedAt: 1,
           retryCount: 0,
-          ...state.queuedSessionDelivery,
+          ...selected.payload,
         };
-        const decision = params.selectEntry(entry, Date.now());
-        if (!decision.match) {
-          return;
-        }
         const maxRetries = typeof entry["maxRetries"] === "number" ? entry["maxRetries"] : 5;
         if (entry.retryCount >= maxRetries) {
-          state.queuedSessionDelivery = null;
+          state.queuedSessionDeliveries.delete(entry.id);
           params.log.warn(
             `${params.logLabel}: entry ${entry.id} exceeded max retries and was moved to failed/`,
           );
@@ -157,13 +189,13 @@ const mocks = vi.hoisted(() => {
         }
         try {
           await params.deliver(entry);
-          state.queuedSessionDelivery = null;
+          state.queuedSessionDeliveries.delete(entry.id);
         } catch (err) {
-          state.queuedSessionDelivery = {
+          state.queuedSessionDeliveries.set(entry.id, {
             ...entry,
             retryCount: entry.retryCount + 1,
             lastError: err instanceof Error ? err.message : String(err),
-          };
+          });
           params.log.warn(`${params.logLabel}: retry failed for entry ${entry.id}: ${String(err)}`);
         }
       },
@@ -215,7 +247,7 @@ vi.mock("../agents/agent-scope.js", async () => {
 vi.mock("../infra/restart-sentinel.js", () => ({
   finalizeUpdateRestartSentinelRunningVersion: mocks.finalizeUpdateRestartSentinelRunningVersion,
   readRestartSentinel: mocks.readRestartSentinel,
-  clearRestartSentinel: mocks.clearRestartSentinel,
+  clearRestartSentinelIfRevision: mocks.clearRestartSentinelIfRevision,
   formatRestartSentinelMessage: mocks.formatRestartSentinelMessage,
   summarizeRestartSentinel: mocks.summarizeRestartSentinel,
 }));
@@ -321,9 +353,19 @@ vi.mock("../infra/outbound/deliver.js", () => ({
 }));
 
 vi.mock("../infra/outbound/delivery-queue.js", () => ({
-  enqueueDelivery: mocks.enqueueDelivery,
+  enqueueDeliveryOnce: mocks.enqueueDeliveryOnce,
   ackDelivery: mocks.ackDelivery,
   failDelivery: mocks.failDelivery,
+  failDeliveryAfterPlatformSend: mocks.failDeliveryAfterPlatformSend,
+  failDeliveryBeforePlatformSend: mocks.failDeliveryBeforePlatformSend,
+  drainPendingDeliveries: mocks.drainPendingDeliveries,
+  withActiveDeliveryClaim: mocks.withActiveDeliveryClaim,
+}));
+
+vi.mock("../infra/outbound/delivery-queue-storage.js", () => ({
+  failPendingDelivery: mocks.failPendingDelivery,
+  loadPendingDelivery: mocks.loadPendingDelivery,
+  reserveDeliveryAttempt: mocks.reserveDeliveryAttempt,
 }));
 
 vi.mock("../infra/system-events.js", () => ({
@@ -452,6 +494,7 @@ describe("scheduleRestartSentinelWake", () => {
     mocks.readRestartSentinel.mockReset();
     mocks.readRestartSentinel.mockResolvedValue({
       version: 1,
+      revision: 123,
       payload: {
         kind: "restart",
         status: "ok",
@@ -488,10 +531,18 @@ describe("scheduleRestartSentinelWake", () => {
     mocks.resolveOutboundTarget.mockReturnValue({ ok: true as const, to: "+15550002" });
     mocks.deliverOutboundPayloads.mockReset();
     mocks.deliverOutboundPayloads.mockResolvedValue([{ channel: "whatsapp", messageId: "msg-1" }]);
-    mocks.enqueueDelivery.mockReset();
-    mocks.enqueueDelivery.mockResolvedValue("queue-1");
+    mocks.enqueueDeliveryOnce.mockReset();
+    mocks.enqueueDeliveryOnce.mockImplementation(async (_payload, id) => ({ id, created: true }));
     mocks.ackDelivery.mockClear();
     mocks.failDelivery.mockClear();
+    mocks.failDeliveryAfterPlatformSend.mockClear();
+    mocks.failDeliveryBeforePlatformSend.mockClear();
+    mocks.failPendingDelivery.mockClear();
+    mocks.loadPendingDelivery.mockReset();
+    mocks.loadPendingDelivery.mockResolvedValue(null);
+    mocks.drainPendingDeliveries.mockClear();
+    mocks.reserveDeliveryAttempt.mockClear();
+    mocks.withActiveDeliveryClaim.mockClear();
     mocks.enqueueSystemEvent.mockClear();
     mocks.requestHeartbeat.mockClear();
     mocks.enqueueSessionDelivery.mockClear();
@@ -509,7 +560,8 @@ describe("scheduleRestartSentinelWake", () => {
     mocks.recoverPendingSessionDeliveries.mockClear();
     mocks.finalizeUpdateRestartSentinelRunningVersion.mockReset();
     mocks.finalizeUpdateRestartSentinelRunningVersion.mockResolvedValue(null);
-    mocks.clearRestartSentinel.mockClear();
+    mocks.clearRestartSentinelIfRevision.mockReset();
+    mocks.clearRestartSentinelIfRevision.mockResolvedValue(true);
     mocks.formatRestartSentinelMessage.mockClear();
     mocks.summarizeRestartSentinel.mockClear();
     mocks.injectTimestamp.mockClear();
@@ -533,14 +585,21 @@ describe("scheduleRestartSentinelWake", () => {
       deps,
       bestEffort: false,
       skipQueue: true,
+      deliveryQueueId: "restart-sentinel-notice:agent:main:main:123",
     });
-    expectMockCallFields(mocks.enqueueDelivery, {
+    expectMockCallFields(mocks.enqueueDeliveryOnce, {
       channel: "whatsapp",
       to: "+15550002",
       payloads: [{ text: "restart message" }],
       bestEffort: false,
+      completionRetention: "permanent",
+      maxRetries: 45,
     });
-    expect(mocks.ackDelivery).toHaveBeenCalledWith("queue-1");
+    expect(mocks.ackDelivery).toHaveBeenCalledWith("restart-sentinel-notice:agent:main:main:123");
+    expect(mocks.reserveDeliveryAttempt).toHaveBeenCalledWith(
+      "restart-sentinel-notice:agent:main:main:123",
+      45,
+    );
     expect(mocks.failDelivery).not.toHaveBeenCalled();
     expect(mocks.formatRestartSentinelMessage).toHaveBeenCalledWith(expect.anything());
     expect(mocks.summarizeRestartSentinel).toHaveBeenCalledWith(expect.anything());
@@ -558,60 +617,263 @@ describe("scheduleRestartSentinelWake", () => {
     expect(mocks.logWarn).not.toHaveBeenCalled();
   });
 
-  it("retries outbound delivery once and logs a warning without dropping the agent wake", async () => {
-    vi.useFakeTimers();
-    mocks.deliverOutboundPayloads
-      .mockRejectedValueOnce(new Error("transport not ready"))
-      .mockResolvedValueOnce([{ channel: "whatsapp", messageId: "msg-2" }]);
+  it("persists every downstream intent before consuming the loaded revision", async () => {
+    await scheduleRestartSentinelWake({ deps: {} as never });
 
-    const wakePromise = scheduleRestartSentinelWake({ deps: {} as never });
-    await Promise.resolve();
-    await Promise.resolve();
-    await vi.advanceTimersByTimeAsync(1_000);
-    await wakePromise;
+    expect(mocks.clearRestartSentinelIfRevision).toHaveBeenCalledWith(123);
+    const clearOrder = mocks.clearRestartSentinelIfRevision.mock.invocationCallOrder[0] ?? 0;
+    expect(mocks.enqueueSessionDelivery.mock.invocationCallOrder[0]).toBeLessThan(clearOrder);
+    expect(mocks.enqueueDeliveryOnce.mock.invocationCallOrder[0]).toBeLessThan(clearOrder);
+    expect(clearOrder).toBeLessThan(mocks.enqueueSystemEvent.mock.invocationCallOrder[0] ?? 0);
+    expect(clearOrder).toBeLessThan(mocks.deliverOutboundPayloads.mock.invocationCallOrder[0] ?? 0);
+  });
 
-    expect(mocks.enqueueDelivery).toHaveBeenCalledTimes(1);
-    expect(mocks.deliverOutboundPayloads).toHaveBeenCalledTimes(2);
-    expectMockCallFields(mocks.deliverOutboundPayloads, { skipQueue: true }, 0);
-    expectMockCallFields(mocks.deliverOutboundPayloads, { skipQueue: true }, 1);
-    expect(mocks.ackDelivery).toHaveBeenCalledWith("queue-1");
+  it("stops delivery when guarded sentinel consumption fails", async () => {
+    mocks.clearRestartSentinelIfRevision.mockRejectedValueOnce(new Error("database locked"));
+
+    await scheduleRestartSentinelWake({ deps: {} as never });
+
+    expect(mocks.enqueueSessionDelivery).toHaveBeenCalledOnce();
+    expect(mocks.enqueueDeliveryOnce).toHaveBeenCalledOnce();
+    expect(mocks.enqueueSystemEvent).not.toHaveBeenCalled();
+    expect(mocks.deliverOutboundPayloads).not.toHaveBeenCalled();
+    expect(mocks.logWarn).toHaveBeenCalledWith("startup task failed", {
+      source: "restart-sentinel",
+      sessionKey: "agent:main:main",
+      reason: "database locked",
+    });
+  });
+
+  it("preserves a newer sentinel while draining durable work from the loaded revision", async () => {
+    mocks.clearRestartSentinelIfRevision.mockResolvedValueOnce(false);
+
+    await scheduleRestartSentinelWake({ deps: {} as never });
+
+    expect(mocks.clearRestartSentinelIfRevision).toHaveBeenCalledWith(123);
+    expect(mocks.enqueueSystemEvent).toHaveBeenCalledOnce();
+    expect(mocks.deliverOutboundPayloads).toHaveBeenCalledOnce();
+    expect(mocks.logInfo).toHaveBeenCalledWith(
+      "restart summary: newer restart sentinel preserved while draining durable work",
+      { sessionKey: "agent:main:main" },
+    );
+  });
+
+  it("does not resend a restart notice whose stable queue id is already owned", async () => {
+    mocks.enqueueDeliveryOnce.mockImplementationOnce(async (_payload, id) => ({
+      id,
+      created: false,
+    }));
+
+    await scheduleRestartSentinelWake({ deps: {} as never });
+
+    expect(mocks.clearRestartSentinelIfRevision).toHaveBeenCalledWith(123);
+    expect(mocks.enqueueDeliveryOnce.mock.calls[0]?.[1]).toBe(
+      "restart-sentinel-notice:agent:main:main:123",
+    );
+    expect(mocks.deliverOutboundPayloads).not.toHaveBeenCalled();
+    expect(mocks.ackDelivery).not.toHaveBeenCalled();
     expect(mocks.failDelivery).not.toHaveBeenCalled();
-    expect(mocks.enqueueSystemEvent).toHaveBeenCalledTimes(1);
-    expect(mocks.requestHeartbeat).toHaveBeenCalledTimes(1);
-    expect(mocks.logWarn.mock.calls).toEqual([
-      [
-        "restart summary: outbound delivery failed; retrying in 1000ms: Error: transport not ready",
-        {
-          channel: "whatsapp",
-          to: "+15550002",
-          sessionKey: "agent:main:main",
-          attempt: 1,
-          maxAttempts: 45,
-        },
-      ],
+    expect(mocks.logInfo).toHaveBeenCalledWith(
+      "restart summary: durable restart notice already owned",
+      { sessionKey: "agent:main:main" },
+    );
+  });
+
+  it("queues the restart wake before a system-event continuation", async () => {
+    mocks.readRestartSentinel.mockResolvedValueOnce({
+      version: 1,
+      revision: 123,
+      payload: {
+        kind: "restart",
+        status: "ok",
+        ts: 99,
+        sessionKey: "agent:main:main",
+        continuation: { kind: "systemEvent", text: "continue" },
+      },
+    });
+
+    await scheduleRestartSentinelWake({ deps: {} as never });
+
+    expect(mocks.enqueueSessionDelivery).toHaveBeenCalledTimes(2);
+    expect(mocks.enqueueSessionDelivery).toHaveBeenNthCalledWith(
+      1,
+      expect.objectContaining({
+        text: "restart message",
+        idempotencyKey: "restart-sentinel-wake:agent:main:main:123",
+        completionRetention: "permanent",
+      }),
+    );
+    expect(mocks.enqueueSessionDelivery).toHaveBeenNthCalledWith(
+      2,
+      expect.objectContaining({
+        text: "continue",
+        idempotencyKey: "restart-sentinel:agent:main:main:systemEvent:123",
+        completionRetention: "permanent",
+      }),
+    );
+    expect(mocks.enqueueSystemEvent.mock.calls.map((call) => call[0])).toEqual([
+      "restart message",
+      "continue",
     ]);
   });
 
-  it("keeps one queued restart notice when outbound retries are exhausted", async () => {
-    vi.useFakeTimers();
-    mocks.deliverOutboundPayloads.mockRejectedValue(new Error("transport still not ready"));
+  it("queues a failed outbound notice for durable recovery without dropping the agent wake", async () => {
+    mocks.deliverOutboundPayloads.mockRejectedValueOnce(new Error("platform outcome unknown"));
+    mocks.loadPendingDelivery
+      .mockResolvedValueOnce({
+        id: "restart-sentinel-notice:agent:main:main:123",
+        retryCount: 1,
+        lastError: "platform outcome unknown",
+      } as never)
+      .mockResolvedValue(null);
 
-    const wakePromise = scheduleRestartSentinelWake({ deps: {} as never });
-    await Promise.resolve();
-    await Promise.resolve();
-    await vi.advanceTimersByTimeAsync(44_000);
-    await wakePromise;
+    await scheduleRestartSentinelWake({ deps: {} as never });
 
-    expect(mocks.enqueueDelivery).toHaveBeenCalledTimes(1);
-    expect(mocks.deliverOutboundPayloads).toHaveBeenCalledTimes(45);
+    expect(mocks.enqueueDeliveryOnce).toHaveBeenCalledTimes(1);
+    expect(mocks.deliverOutboundPayloads).toHaveBeenCalledOnce();
+    expectMockCallFields(mocks.deliverOutboundPayloads, {
+      skipQueue: true,
+      deliveryQueueId: "restart-sentinel-notice:agent:main:main:123",
+    });
     expect(mocks.ackDelivery).not.toHaveBeenCalled();
-    expect(mocks.failDelivery).toHaveBeenCalledWith("queue-1", "transport still not ready");
+    expect(mocks.failDelivery).toHaveBeenCalledWith(
+      "restart-sentinel-notice:agent:main:main:123",
+      "platform outcome unknown",
+    );
+    expect(mocks.drainPendingDeliveries).toHaveBeenCalledOnce();
+    const drain = expectRecordFields(mockCallArg(mocks.drainPendingDeliveries), {
+      drainKey: "restart-recovery:restart-sentinel-notice:agent:main:main:123",
+      deliver: expect.any(Function),
+    });
+    const selectEntry = drain.selectEntry as (entry: { id: string }) => {
+      match: boolean;
+      bypassBackoff?: boolean;
+    };
+    expect(selectEntry({ id: "restart-sentinel-notice:agent:main:main:123" })).toEqual({
+      match: true,
+      bypassBackoff: true,
+    });
+    expect(selectEntry({ id: "other" })).toEqual({ match: false, bypassBackoff: true });
+    expect(mocks.enqueueSystemEvent).toHaveBeenCalledTimes(1);
+    expect(mocks.requestHeartbeat).toHaveBeenCalledTimes(1);
+    expect(mocks.logWarn).toHaveBeenCalledWith(
+      "restart summary: outbound delivery failed; queued for recovery: Error: platform outcome unknown",
+      {
+        channel: "whatsapp",
+        to: "+15550002",
+        sessionKey: "agent:main:main",
+      },
+    );
   });
 
-  it("still dispatches continuation after restart notice retries are exhausted", async () => {
-    vi.useFakeTimers();
-    mocks.deliverOutboundPayloads.mockRejectedValue(new Error("transport still not ready"));
+  it("starts a terminal drain when the persisted retry budget is exhausted", async () => {
+    mocks.deliverOutboundPayloads.mockRejectedValueOnce(new Error("transport unavailable"));
+    mocks.loadPendingDelivery.mockResolvedValue({
+      id: "restart-sentinel-notice:agent:main:main:123",
+      retryCount: 45,
+      attemptCount: 45,
+      lastError: "transport unavailable",
+    } as never);
+    mocks.drainPendingDeliveries.mockImplementationOnce(async () => {
+      mocks.loadPendingDelivery.mockResolvedValue(null);
+    });
+
+    await scheduleRestartSentinelWake({ deps: {} as never });
+
+    expect(mocks.drainPendingDeliveries).toHaveBeenCalledOnce();
+  });
+
+  it("preserves a notice whose persisted retry budget is not exhausted", async () => {
+    mocks.deliverOutboundPayloads.mockRejectedValueOnce(new Error("transport unavailable"));
+    mocks.loadPendingDelivery.mockResolvedValue({
+      id: "restart-sentinel-notice:agent:main:main:123",
+      retryCount: 7,
+      lastError: "database busy",
+    } as never);
+
+    await scheduleRestartSentinelWake({ deps: {} as never });
+
+    expect(mocks.drainPendingDeliveries).toHaveBeenCalledTimes(46);
+    expect(mocks.failPendingDelivery).not.toHaveBeenCalled();
+    expect(mocks.logWarn).toHaveBeenCalledWith(
+      "restart summary: restart notice remains queued after bounded recovery",
+      {
+        queueId: "restart-sentinel-notice:agent:main:main:123",
+        sessionKey: "agent:main:main",
+        retryCount: 7,
+        attemptCount: null,
+        maxAttempts: 45,
+      },
+    );
+  });
+
+  it("continues exact-id recovery after another owner releases the notice", async () => {
+    mocks.withActiveDeliveryClaim.mockResolvedValueOnce({
+      status: "claimed-by-other-owner",
+    } as never);
+    mocks.loadPendingDelivery
+      .mockResolvedValueOnce({
+        id: "restart-sentinel-notice:agent:main:main:123",
+        retryCount: 0,
+      } as never)
+      .mockResolvedValue(null);
+
+    await scheduleRestartSentinelWake({ deps: {} as never });
+
+    expect(mocks.deliverOutboundPayloads).not.toHaveBeenCalled();
+    expect(mocks.drainPendingDeliveries).toHaveBeenCalledOnce();
+    expect(mocks.logInfo).toHaveBeenCalledWith(
+      "restart summary: durable restart notice claimed by recovery",
+      { sessionKey: "agent:main:main" },
+    );
+  });
+
+  it("schedules safe recovery when the delivered notice cannot be acknowledged", async () => {
+    mocks.ackDelivery.mockRejectedValueOnce(new Error("ack unavailable"));
+    mocks.loadPendingDelivery
+      .mockResolvedValueOnce({
+        id: "restart-sentinel-notice:agent:main:main:123",
+        retryCount: 1,
+        recoveryState: "unknown_after_send",
+      } as never)
+      .mockResolvedValue(null);
+
+    await scheduleRestartSentinelWake({ deps: {} as never });
+
+    expect(mocks.failDeliveryAfterPlatformSend).toHaveBeenCalledWith(
+      "restart-sentinel-notice:agent:main:main:123",
+      "ack unavailable",
+    );
+    expect(mocks.drainPendingDeliveries).toHaveBeenCalledOnce();
+    expect(mocks.logWarn).toHaveBeenCalledWith(
+      "restart summary: outbound delivery ack failed; queued for recovery: ack unavailable",
+      {
+        channel: "whatsapp",
+        to: "+15550002",
+        sessionKey: "agent:main:main",
+      },
+    );
+  });
+
+  it("keeps one queued restart notice when outbound delivery fails", async () => {
+    mocks.deliverOutboundPayloads.mockRejectedValueOnce(new Error("transport still not ready"));
+
+    await scheduleRestartSentinelWake({ deps: {} as never });
+
+    expect(mocks.enqueueDeliveryOnce).toHaveBeenCalledTimes(1);
+    expect(mocks.deliverOutboundPayloads).toHaveBeenCalledOnce();
+    expect(mocks.ackDelivery).not.toHaveBeenCalled();
+    expect(mocks.failDelivery).toHaveBeenCalledWith(
+      "restart-sentinel-notice:agent:main:main:123",
+      "transport still not ready",
+    );
+  });
+
+  it("still dispatches continuation after a restart notice is queued for recovery", async () => {
+    mocks.deliverOutboundPayloads.mockRejectedValueOnce(new Error("transport still not ready"));
     mocks.readRestartSentinel.mockResolvedValue({
+      version: 1,
+      revision: 123,
       payload: {
         sessionKey: "agent:main:main",
         deliveryContext: {
@@ -627,13 +889,12 @@ describe("scheduleRestartSentinelWake", () => {
       },
     } as unknown as Awaited<ReturnType<typeof mocks.readRestartSentinel>>);
 
-    const wakePromise = scheduleRestartSentinelWake({ deps: {} as never });
-    await Promise.resolve();
-    await Promise.resolve();
-    await vi.advanceTimersByTimeAsync(44_000);
-    await wakePromise;
+    await scheduleRestartSentinelWake({ deps: {} as never });
 
-    expect(mocks.failDelivery).toHaveBeenCalledWith("queue-1", "transport still not ready");
+    expect(mocks.failDelivery).toHaveBeenCalledWith(
+      "restart-sentinel-notice:agent:main:main:123",
+      "transport still not ready",
+    );
     expect(mocks.recordInboundSessionAndDispatchReply).toHaveBeenCalledTimes(1);
     expectContinuationDispatchFields({ routeSessionKey: "agent:main:main" }, { Body: "continue" });
   });
@@ -693,7 +954,7 @@ describe("scheduleRestartSentinelWake", () => {
 
     await scheduleRestartSentinelWake({ deps: {} as never });
 
-    expectMockCallFields(mocks.enqueueDelivery, {
+    expectMockCallFields(mocks.enqueueDeliveryOnce, {
       payloads: [{ text: "restart message" }],
       threadId: "thread-42",
     });
@@ -2114,6 +2375,8 @@ describe("scheduleRestartSentinelWake", () => {
 
   it("dispatches agentTurn continuation for a completed run entry", async () => {
     mocks.readRestartSentinel.mockResolvedValue({
+      version: 1,
+      revision: 123,
       payload: {
         sessionKey: "agent:main:main",
         deliveryContext: {
@@ -2153,6 +2416,7 @@ describe("scheduleRestartSentinelWake", () => {
         message: "continue after restart",
         messageId: "restart-sentinel:agent:main:main:agentTurn:123",
         expectedSessionId: "agent:main:main",
+        completionRetention: "permanent",
         route: {
           channel: "whatsapp",
           to: "+15550002",
@@ -2649,6 +2913,8 @@ describe("scheduleRestartSentinelWake", () => {
     const busyReply = "⚠️ Previous run is still shutting down. Please try again in a moment.";
     let attempt = 0;
     mocks.readRestartSentinel.mockResolvedValue({
+      version: 1,
+      revision: 123,
       payload: {
         sessionKey: "agent:main:main",
         deliveryContext: {
@@ -2766,7 +3032,7 @@ describe("scheduleRestartSentinelWake", () => {
 
     await scheduleRestartSentinelWake({ deps: {} as never });
 
-    expect(mocks.clearRestartSentinel).not.toHaveBeenCalled();
+    expect(mocks.clearRestartSentinelIfRevision).not.toHaveBeenCalled();
     expect(mocks.drainPendingSessionDeliveries).not.toHaveBeenCalled();
     expect(mocks.logWarn).toHaveBeenCalledWith("startup task failed", {
       source: "restart-sentinel",
@@ -2825,12 +3091,13 @@ describe("scheduleRestartSentinelWake", () => {
     };
     mocks.readRestartSentinel.mockResolvedValue({
       version: 1,
+      revision: 123,
       payload,
     });
 
     await scheduleRestartSentinelWake({ deps: {} as never });
 
-    expect(mocks.clearRestartSentinel).toHaveBeenCalledOnce();
+    expect(mocks.clearRestartSentinelIfRevision).toHaveBeenCalledOnce();
     expect(getLatestUpdateRestartSentinel()).toEqual(payload);
   });
 
@@ -2847,6 +3114,7 @@ describe("scheduleRestartSentinelWake", () => {
     };
     mocks.readRestartSentinel.mockResolvedValue({
       version: 1,
+      revision: 123,
       payload,
     });
 
@@ -2856,7 +3124,7 @@ describe("scheduleRestartSentinelWake", () => {
     expect(getLatestUpdateRestartSentinel()).toEqual(payload);
   });
 
-  it("does not wake the main session when the sentinel has no sessionKey", async () => {
+  it("durably wakes the main session when the sentinel has no sessionKey", async () => {
     mocks.readRestartSentinel.mockResolvedValue({
       payload: {
         message: "restart message",
@@ -2868,7 +3136,12 @@ describe("scheduleRestartSentinelWake", () => {
     expect(mocks.enqueueSystemEvent).toHaveBeenCalledWith("restart message", {
       sessionKey: "agent:main:main",
     });
-    expect(mocks.requestHeartbeat).not.toHaveBeenCalled();
+    expect(mocks.requestHeartbeat).toHaveBeenCalledWith({
+      source: "restart-sentinel",
+      intent: "immediate",
+      reason: "wake",
+      sessionKey: "agent:main:main",
+    });
     expect(mocks.deliverOutboundPayloads).not.toHaveBeenCalled();
   });
 
@@ -2910,6 +3183,15 @@ describe("scheduleRestartSentinelWake", () => {
       threadId: undefined,
     });
     mocks.deliveryContextFromSession.mockReturnValue(undefined);
+    mocks.loadSessionEntry.mockReturnValue({
+      cfg: {},
+      entry: { sessionId: "agent:main:matrix:channel:!lowercased:example.org", updatedAt: 0 },
+      store: {},
+      storePath: "/tmp/sessions.json",
+      canonicalKey: "agent:main:matrix:channel:!lowercased:example.org",
+      storeKeys: ["agent:main:matrix:channel:!lowercased:example.org"],
+      legacyKey: undefined,
+    });
 
     await scheduleRestartSentinelWake({ deps: {} as never });
 
@@ -2918,7 +3200,7 @@ describe("scheduleRestartSentinelWake", () => {
       sessionKey: "agent:main:matrix:channel:!lowercased:example.org",
     });
     expect(mocks.deliverOutboundPayloads).not.toHaveBeenCalled();
-    expect(mocks.enqueueDelivery).not.toHaveBeenCalled();
+    expect(mocks.enqueueDeliveryOnce).not.toHaveBeenCalled();
     expect(mocks.resolveOutboundTarget).not.toHaveBeenCalled();
   });
 
diff --git a/src/gateway/server-restart-sentinel.ts b/src/gateway/server-restart-sentinel.ts
index 6c3e424bd63f..ac4b5f668c94 100644
--- a/src/gateway/server-restart-sentinel.ts
+++ b/src/gateway/server-restart-sentinel.ts
@@ -5,7 +5,6 @@ import { REPLY_RUN_STILL_SHUTTING_DOWN_TEXT } from "../auto-reply/reply/get-repl
 import { finalizeInboundContext } from "../auto-reply/reply/inbound-context.js";
 import { dispatchReplyWithBufferedBlockDispatcher } from "../auto-reply/reply/provider-dispatcher.js";
 import type { ChatType } from "../channels/chat-type.js";
-import { sendDurableMessageBatch } from "../channels/message/runtime.js";
 import { getChannelPlugin, normalizeChannelId } from "../channels/plugins/index.js";
 import { recordInboundSession } from "../channels/session.js";
 import { dispatchAssembledChannelTurn } from "../channels/turn/kernel.js";
@@ -14,11 +13,9 @@ import { resolveMainSessionKeyFromConfig } from "../config/sessions.js";
 import { parseSessionThreadInfo } from "../config/sessions/thread-info.js";
 import { formatErrorMessage, toErrorObject } from "../infra/errors.js";
 import { requestHeartbeat } from "../infra/heartbeat-wake.js";
-import { ackDelivery, enqueueDelivery, failDelivery } from "../infra/outbound/delivery-queue.js";
-import { buildOutboundSessionContext } from "../infra/outbound/session-context.js";
 import { resolveOutboundTarget } from "../infra/outbound/targets.js";
 import {
-  clearRestartSentinel,
+  clearRestartSentinelIfRevision,
   finalizeUpdateRestartSentinelRunningVersion,
   formatRestartSentinelMessage,
   readRestartSentinel,
@@ -53,12 +50,14 @@ import {
 } from "../utils/delivery-context.shared.js";
 import { INTERNAL_MESSAGE_CHANNEL } from "../utils/message-channel.js";
 import { deliverQueuedGeneratedMediaAgentTurn } from "./server-restart-sentinel-agent-delivery.js";
+import {
+  deliverRestartSentinelNotice,
+  enqueueRestartSentinelNotice,
+} from "./server-restart-sentinel-notice.js";
 import { loadSessionEntry } from "./session-utils.js";
 import { runStartupTasks, type StartupTask } from "./startup-tasks.js";
 
 const log = createSubsystemLogger("gateway/restart-sentinel");
-const OUTBOUND_RETRY_DELAY_MS = 1_000;
-const OUTBOUND_MAX_ATTEMPTS = 45;
 const RESTART_CONTINUATION_BUSY_RETRY_DELAY_MS = process.env.VITEST ? 1 : 6_000;
 const RESTART_CONTINUATION_BUSY_MAX_ATTEMPTS = 20;
 const CONTROL_PLANE_UPDATE_PENDING_RETRY_DELAY_MS = process.env.VITEST ? 1 : 2_000;
@@ -106,89 +105,19 @@ function enqueueRestartSentinelWake(
   requestHeartbeat({ source: "restart-sentinel", intent: "immediate", reason: "wake", sessionKey });
 }
 
-async function waitForOutboundRetry(delayMs: number) {
+async function waitForRetry(delayMs: number) {
   await new Promise<void>((resolve) => {
     const timer = setTimeout(resolve, delayMs);
     timer.unref?.();
   });
 }
 
-async function deliverRestartSentinelNotice(params: {
-  deps: CliDeps;
-  cfg: ReturnType<typeof loadSessionEntry>["cfg"];
-  sessionKey: string;
-  summary: string;
-  message: string;
-  channel: string;
-  to: string;
-  accountId?: string;
-  replyToId?: string;
-  threadId?: string;
-  session: ReturnType<typeof buildOutboundSessionContext>;
-}) {
-  const payloads = [{ text: params.message }];
-  const queueId = await enqueueDelivery({
-    channel: params.channel,
-    to: params.to,
-    accountId: params.accountId,
-    replyToId: params.replyToId,
-    threadId: params.threadId,
-    payloads,
-    bestEffort: false,
-  }).catch(() => null);
-  for (let attempt = 1; attempt <= OUTBOUND_MAX_ATTEMPTS; attempt += 1) {
-    try {
-      const send = await sendDurableMessageBatch({
-        cfg: params.cfg,
-        channel: params.channel,
-        to: params.to,
-        accountId: params.accountId,
-        replyToId: params.replyToId,
-        threadId: params.threadId,
-        payloads,
-        session: params.session,
-        deps: params.deps,
-        bestEffort: false,
-        skipQueue: true,
-      });
-      if (send.status === "failed" || send.status === "partial_failed") {
-        throw send.error;
-      }
-      const results = send.status === "sent" ? send.results : [];
-      if (results.length > 0) {
-        if (queueId) {
-          await ackDelivery(queueId).catch(() => {});
-        }
-        return;
-      }
-      throw new Error("outbound delivery returned no results");
-    } catch (err) {
-      const retrying = attempt < OUTBOUND_MAX_ATTEMPTS;
-      const suffix = retrying ? `; retrying in ${OUTBOUND_RETRY_DELAY_MS}ms` : "";
-      log.warn(`${params.summary}: outbound delivery failed${suffix}: ${String(err)}`, {
-        channel: params.channel,
-        to: params.to,
-        sessionKey: params.sessionKey,
-        attempt,
-        maxAttempts: OUTBOUND_MAX_ATTEMPTS,
-      });
-      if (!retrying) {
-        if (queueId) {
-          await failDelivery(queueId, formatErrorMessage(err)).catch(() => undefined);
-        }
-        return;
-      }
-      await waitForOutboundRetry(OUTBOUND_RETRY_DELAY_MS);
-    }
-  }
-}
-
 function buildRestartContinuationMessageId(params: {
   sessionKey: string;
   kind: RestartSentinelContinuation["kind"];
-  ts: number;
+  revision: number;
 }) {
-  return `restart-sentinel:${params.sessionKey}:${params.kind}:${params.ts}`;
+  return `restart-sentinel:${params.sessionKey}:${params.kind}:${params.revision}`;
 }
 
 function resolveRestartContinuationRoute(params: {
@@ -405,19 +334,22 @@ function buildQueuedRestartContinuation(params: {
   continuation: RestartSentinelContinuation;
   route?: SessionDeliveryRoute;
   expectedSessionId?: string | undefined;
-  ts: number;
+  revision: number;
   deliveryContext?: {
     channel?: string;
     to?: string;
     accountId?: string;
     threadId?: string | number;
   };
+  idempotencyKey?: string;
 }): QueuedSessionDeliveryPayload {
-  const idempotencyKey = buildRestartContinuationMessageId({
-    sessionKey: params.sessionKey,
-    kind: params.continuation.kind,
-    ts: params.ts,
-  });
+  const idempotencyKey =
+    params.idempotencyKey ??
+    buildRestartContinuationMessageId({
+      sessionKey: params.sessionKey,
+      kind: params.continuation.kind,
+      revision: params.revision,
+    });
   if (params.continuation.kind === "systemEvent") {
     return {
       kind: "systemEvent",
@@ -426,6 +358,7 @@ function buildQueuedRestartContinuation(params: {
       ...(params.deliveryContext ? { deliveryContext: params.deliveryContext } : {}),
       idempotencyKey,
       maxRetries: RESTART_CONTINUATION_BUSY_MAX_ATTEMPTS,
+      completionRetention: "permanent",
     };
   }
   return {
@@ -435,6 +368,7 @@ function buildQueuedRestartContinuation(params: {
     messageId: idempotencyKey,
     ...(params.expectedSessionId ? { expectedSessionId: params.expectedSessionId } : {}),
     maxRetries: RESTART_CONTINUATION_BUSY_MAX_ATTEMPTS,
+    completionRetention: "permanent",
     ...(params.route ? { route: params.route } : {}),
     ...(params.deliveryContext ? { deliveryContext: params.deliveryContext } : {}),
     idempotencyKey,
@@ -474,7 +408,7 @@ async function drainRestartContinuationQueue(params: {
     params.log.info(
       `restart continuation: entry ${params.entryId} still waiting for the previous run to clear; retrying in ${RESTART_CONTINUATION_BUSY_RETRY_DELAY_MS}ms`,
     );
-    await waitForOutboundRetry(RESTART_CONTINUATION_BUSY_RETRY_DELAY_MS);
+    await waitForRetry(RESTART_CONTINUATION_BUSY_RETRY_DELAY_MS);
   }
 }
 
@@ -505,6 +439,7 @@ async function loadRestartSentinelStartupTask(params: {
     return null;
   }
   const payload = sentinel.payload;
+  const sentinelRevision = sentinel.revision;
   if (payload.kind === "update") {
     recordLatestUpdateRestartSentinel(payload);
   }
@@ -543,14 +478,25 @@ async function loadRestartSentinelStartupTask(params: {
 
     if (!sessionKey) {
       const mainSessionKey = resolveMainSessionKeyFromConfig();
-      enqueueSystemEvent(message, { sessionKey: mainSessionKey });
+      const wakeQueueId = await enqueueSessionDelivery(
+        buildQueuedRestartContinuation({
+          sessionKey: mainSessionKey,
+          continuation: { kind: "systemEvent", text: message },
+          revision: sentinelRevision,
+          idempotencyKey: `restart-sentinel-wake:${mainSessionKey}:${sentinelRevision}`,
+        }),
+      );
       if (payload.continuation) {
         log.warn(`${summary}: continuation skipped: restart sentinel sessionKey unavailable`, {
           sessionKey: mainSessionKey,
           continuationKind: payload.continuation.kind,
         });
       }
-      await clearRestartSentinel();
+      const consumed = await clearRestartSentinelIfRevision(sentinelRevision);
+      if (!consumed) {
+        log.info(`${summary}: newer restart sentinel preserved while draining durable wake`);
+      }
+      await drainRestartContinuationQueue({ deps: params.deps, entryId: wakeQueueId, log });
       return { status: "ran" as const };
     }
 
@@ -587,6 +533,9 @@ async function loadRestartSentinelStartupTask(params: {
     let replyToId: string | undefined;
     let resolvedThreadId = threadId;
     let continuationQueueId: string | undefined;
+    let wakeQueueId: string | undefined;
+    let noticeQueueId: string | undefined;
+    let noticeQueueCreated = false;
     let continuationRoute: SessionDeliveryRoute | undefined;
 
     if (channel && to) {
@@ -624,11 +573,28 @@ async function loadRestartSentinelStartupTask(params: {
         threadId: resolvedThreadId,
         chatType,
       });
+    }
+
+    const routedAgentTurnContinuation =
+      payload.continuation?.kind === "agentTurn" && continuationRoute !== undefined;
+    if (!routedAgentTurnContinuation) {
+      wakeQueueId = await enqueueSessionDelivery(
+        buildQueuedRestartContinuation({
+          sessionKey: canonicalKey,
+          continuation: { kind: "systemEvent", text: message },
+          revision: sentinelRevision,
+          deliveryContext: wakeDeliveryContext,
+          idempotencyKey: `restart-sentinel-wake:${canonicalKey}:${sentinelRevision}`,
+        }),
+      );
+    }
+
+    if (payload.continuation) {
       continuationQueueId = await enqueueSessionDelivery(
         buildQueuedRestartContinuation({
           sessionKey: canonicalKey,
           continuation: payload.continuation,
-          ts: payload.ts,
+          revision: sentinelRevision,
           route: continuationRoute,
           expectedSessionId: entry?.sessionId,
           deliveryContext:
@@ -644,19 +610,35 @@ async function loadRestartSentinelStartupTask(params: {
       );
     }
 
-    await clearRestartSentinel();
-    const routedAgentTurnContinuation =
-      payload.continuation?.kind === "agentTurn" && continuationRoute !== undefined;
-    if (!routedAgentTurnContinuation) {
-      enqueueRestartSentinelWake(message, sessionKey, wakeDeliveryContext);
+    if (resolvedTo && channel) {
+      const queuedNotice = await enqueueRestartSentinelNotice({
+        channel,
+        to: resolvedTo,
+        accountId: origin?.accountId,
+        replyToId,
+        threadId: resolvedThreadId,
+        message,
+        sessionKey: canonicalKey,
+        revision: sentinelRevision,
+      });
+      noticeQueueId = queuedNotice.id;
+      noticeQueueCreated = queuedNotice.created;
     }
 
-    if (resolvedTo && channel) {
-      const outboundSession = buildOutboundSessionContext({
-        cfg,
+    // Every downstream intent is durable before consuming the singleton. A
+    // failed or stale compare-delete cannot lose work or remove a newer row.
+    const consumed = await clearRestartSentinelIfRevision(sentinelRevision);
+    if (!consumed) {
+      log.info(`${summary}: newer restart sentinel preserved while draining durable work`, {
         sessionKey: canonicalKey,
       });
+    }
 
+    if (wakeQueueId) {
+      await drainRestartContinuationQueue({ deps: params.deps, entryId: wakeQueueId, log });
+    }
+
+    if (resolvedTo && channel && noticeQueueId && noticeQueueCreated) {
       await deliverRestartSentinelNotice({
         deps: params.deps,
         cfg,
@@ -668,7 +650,11 @@ async function loadRestartSentinelStartupTask(params: {
         accountId: origin?.accountId,
         replyToId,
         threadId: resolvedThreadId,
-        session: outboundSession,
+        queueId: noticeQueueId,
+      });
+    } else if (noticeQueueId && !noticeQueueCreated) {
+      log.info(`${summary}: durable restart notice already owned`, {
+        sessionKey: canonicalKey,
       });
     }
 
diff --git a/src/infra/delivery-queue-sqlite.test.ts b/src/infra/delivery-queue-sqlite.test.ts
index b506549b5e10..10e6ee9ea73c 100644
--- a/src/infra/delivery-queue-sqlite.test.ts
+++ b/src/infra/delivery-queue-sqlite.test.ts
@@ -220,6 +220,45 @@ describe("delivery-queue-sqlite corrupt JSON resilience", () => {
         last_error: null,
       });
     });
+
+    it("never prunes a permanent producer receipt", () => {
+      upsertDeliveryQueueEntry({
+        queueName: QUEUE,
+        entry: {
+          id: "rt-permanent",
+          enqueuedAt: 1,
+          retryCount: 0,
+          completionRetention: "permanent",
+        },
+        stateDir,
+      });
+      completeDeliveryQueueEntry(QUEUE, "rt-permanent", stateDir);
+      const { db } = openOpenClawStateDatabase({
+        env: { ...process.env, OPENCLAW_STATE_DIR: stateDir },
+      });
+      db.prepare(
+        `UPDATE delivery_queue_entries
+            SET enqueued_at = ?
+          WHERE queue_name = ? AND id = ?`,
+      ).run(Date.now() - 31 * 24 * 60 * 60_000, QUEUE, "rt-permanent");
+
+      enqueueValid("rt-prune-trigger");
+      completeDeliveryQueueEntry(QUEUE, "rt-prune-trigger", stateDir);
+
+      expect(getDeliveryQueueEntryStatus(QUEUE, "rt-permanent", stateDir)).toBe("completed");
+      const row = db
+        .prepare(
+          `SELECT recovery_state, entry_json
+             FROM delivery_queue_entries
+            WHERE queue_name = ? AND id = ?`,
+        )
+        .get(QUEUE, "rt-permanent") as Record<string, unknown>;
+      expect(row.recovery_state).toBe("completed_permanent");
+      expect(JSON.parse(String(row.entry_json))).toMatchObject({
+        completionRetention: "permanent",
+        recoveryState: "completed_permanent",
+      });
+    });
   });
 });
 
diff --git a/src/infra/delivery-queue-sqlite.ts b/src/infra/delivery-queue-sqlite.ts
index ee5438ab8be9..964c74bff83d 100644
--- a/src/infra/delivery-queue-sqlite.ts
+++ b/src/infra/delivery-queue-sqlite.ts
@@ -13,6 +13,9 @@ import { runSqliteImmediateTransactionSync } from "./sqlite-transaction.js";
 type QueueStatus = "pending" | "failed" | "completed";
 type DeliveryQueueDatabase = Pick<OpenClawStateKyselyDatabase, "delivery_queue_entries">;
 const COMPLETED_TOMBSTONE_RETENTION_MS = 30 * 24 * 60 * 60_000;
+const PERMANENT_COMPLETION_RECOVERY_STATE = "completed_permanent";
+
+export type DeliveryQueueCompletionRetention = "permanent";
 
 /** Indexed metadata extracted from queue payloads for diagnostics and recovery. */
 export type DeliveryQueueRowMetadata = {
@@ -28,6 +31,9 @@ export type DeliveryQueueEntryState = {
   id: string;
   enqueuedAt: number;
   retryCount: number;
+  /** Durable delivery-call count reserved before invoking the provider path. */
+  attemptCount?: number;
+  completionRetention?: DeliveryQueueCompletionRetention;
   acknowledgedAt?: number;
   lastAttemptAt?: number;
   lastError?: string;
@@ -433,11 +439,19 @@ export function deleteDeliveryQueueEntry(queueName: string, id: string, stateDir
 /** Retain a delivered row as a durable idempotency tombstone. */
 export function completeDeliveryQueueEntry(queueName: string, id: string, stateDir?: string): void {
   const now = Date.now();
+  const current = loadDeliveryQueueEntry(queueName, id, stateDir);
+  const retainPermanently = current?.completionRetention === "permanent";
   const tombstone = {
     id,
     enqueuedAt: now,
     retryCount: 0,
     acknowledgedAt: now,
+    ...(retainPermanently
+      ? {
+          completionRetention: "permanent" as const,
+          recoveryState: PERMANENT_COMPLETION_RECOVERY_STATE,
+        }
+      : {}),
   };
   const completed = upsertDeliveryQueueEntry({
     queueName,
@@ -453,7 +467,8 @@ export function completeDeliveryQueueEntry(queueName: string, id: string, stateD
     }
     throw enoent(queueName, id);
   }
-  // Thirty days covers delayed producer replays while bounding successful-row growth.
+  // Ordinary receipts expire after thirty days. Permanent producer receipts
+  // survive because their source intent can outlive any bounded retry window.
   const database = openStateDatabase(stateDir);
   const queueDb = getNodeSqliteKysely<DeliveryQueueDatabase>(database.db);
   executeSqliteQuerySync(
@@ -462,7 +477,13 @@ export function completeDeliveryQueueEntry(queueName: string, id: string, stateD
       .deleteFrom("delivery_queue_entries")
       .where("queue_name", "=", queueName)
       .where("status", "=", "completed")
-      .where("enqueued_at", "<", now - COMPLETED_TOMBSTONE_RETENTION_MS),
+      .where("enqueued_at", "<", now - COMPLETED_TOMBSTONE_RETENTION_MS)
+      .where((eb) =>
+        eb.or([
+          eb("recovery_state", "is", null),
+          eb("recovery_state", "!=", PERMANENT_COMPLETION_RECOVERY_STATE),
+        ]),
+      ),
   );
 }
 
@@ -480,6 +501,59 @@ export function updateDeliveryQueueEntry(
   upsertDeliveryQueueEntry({ queueName, entry: update(current), stateDir });
 }
 
+type ReserveDeliveryQueueAttemptResult =
+  | { status: "reserved"; attemptCount: number }
+  | { status: "exhausted"; attemptCount: number };
+
+/** Atomically reserve one provider-delivery call before executing it. */
+export function reserveDeliveryQueueEntryAttempt(params: {
+  queueName: string;
+  id: string;
+  maxAttempts: number;
+  stateDir?: string;
+}): ReserveDeliveryQueueAttemptResult {
+  if (!Number.isInteger(params.maxAttempts) || params.maxAttempts <= 0) {
+    throw new Error(`Invalid delivery attempt budget: ${params.maxAttempts}`);
+  }
+  const database = openStateDatabase(params.stateDir);
+  return runSqliteImmediateTransactionSync(
+    database.db,
+    () => {
+      const current = loadDeliveryQueueEntry(params.queueName, params.id, params.stateDir);
+      if (!current) {
+        throw enoent(params.queueName, params.id);
+      }
+      const persistedAttemptCount =
+        typeof current.attemptCount === "number" &&
+        Number.isInteger(current.attemptCount) &&
+        current.attemptCount >= 0
+          ? current.attemptCount
+          : 0;
+      const attemptCount = Math.max(persistedAttemptCount, current.retryCount);
+      if (attemptCount >= params.maxAttempts) {
+        return { status: "exhausted", attemptCount };
+      }
+      const reservedAttemptCount = attemptCount + 1;
+      const updated = upsertDeliveryQueueEntryInDatabase(
+        {
+          queueName: params.queueName,
+          entry: { ...current, attemptCount: reservedAttemptCount },
+          updatePendingOnly: true,
+        },
+        database,
+      );
+      if (!updated) {
+        throw enoent(params.queueName, params.id);
+      }
+      return { status: "reserved", attemptCount: reservedAttemptCount };
+    },
+    {
+      databaseLabel: "openclaw-state",
+      operationLabel: `reserve ${params.queueName} delivery attempt`,
+    },
+  );
+}
+
 /** Dead-lettered entry counts for one queue namespace. */
 type FailedDeliveryQueueCount = {
   queueName: string;
diff --git a/src/infra/outbound/delivery-queue-recovery.ts b/src/infra/outbound/delivery-queue-recovery.ts
index 5a2d2c0f84c4..937d6b6f59da 100644
--- a/src/infra/outbound/delivery-queue-recovery.ts
+++ b/src/infra/outbound/delivery-queue-recovery.ts
@@ -52,6 +52,7 @@ import {
   loadPendingDeliveries,
   markDeliveryPlatformOutcomeUnknown,
   moveToFailed,
+  reserveDeliveryAttempt,
   type QueuedDelivery,
   type QueuedDeliveryPayload,
 } from "./delivery-queue-storage.js";
@@ -98,7 +99,7 @@ type ActiveDeliveryClaimResult<T> =
   | { status: "claimed"; value: T }
   | { status: "claimed-by-other-owner" };
 
-const MAX_RETRIES = 5;
+const DEFAULT_MAX_RETRIES = 5;
 
 const PERMANENT_ERROR_PATTERNS: readonly RegExp[] = [
   /no conversation reference found/i,
@@ -118,6 +119,20 @@ const drainInProgress = new Map<string, boolean>();
 const entriesInProgress = new Set<string>();
 const recoveryReplayPacer = createRecoveryReplayPacer();
 
+function resolveMaxRetries(entry: QueuedDelivery): number {
+  const configured = entry.maxRetries;
+  return typeof configured === "number" && Number.isInteger(configured) && configured > 0
+    ? configured
+    : DEFAULT_MAX_RETRIES;
+}
+
+function resolveAttemptCount(entry: QueuedDelivery): number {
+  const persisted = entry.attemptCount;
+  const attemptCount =
+    typeof persisted === "number" && Number.isInteger(persisted) && persisted >= 0 ? persisted : 0;
+  return Math.max(attemptCount, entry.retryCount);
+}
+
 function resolveRecoveryDeadlineMs(maxRecoveryMs: number | undefined): number {
   const durationMs =
     typeof maxRecoveryMs === "number" && Number.isFinite(maxRecoveryMs)
@@ -150,10 +165,14 @@ function emitQueuedAuditTerminals(
   });
 }
 
+function needsUnknownSendReconciliation(entry: QueuedDelivery): boolean {
+  return (
+    entry.recoveryState === "send_attempt_started" || entry.recoveryState === "unknown_after_send"
+  );
+}
+
 function queuedDeadLetterAuditTerminals(entry: QueuedDelivery) {
-  const ambiguous =
-    entry.recoveryState === "send_attempt_started" || entry.recoveryState === "unknown_after_send";
-  if (ambiguous) {
+  if (needsUnknownSendReconciliation(entry)) {
     return uniformOutboundAuditTerminals(entry.payloads.length, {
       outcome: "unknown",
       failureStage: "queue",
@@ -597,14 +616,13 @@ async function drainQueuedEntry(opts: {
   onFailed?: (entry: QueuedDelivery, errMsg: string) => void;
 }): Promise<"recovered" | "failed" | "moved-to-failed" | "already-gone"> {
   const { entry } = opts;
+  const maxRetries = resolveMaxRetries(entry);
+  const attemptBudgetExhausted = resolveAttemptCount(entry) >= maxRetries;
   const ownerState = await resolveCompletedOwnerBeforeRecovery(opts);
   if (ownerState !== "continue") {
     return ownerState;
   }
-  if (
-    entry.recoveryState === "send_attempt_started" ||
-    entry.recoveryState === "unknown_after_send"
-  ) {
+  if (needsUnknownSendReconciliation(entry)) {
     // A crash after platform send start cannot be blindly replayed; adapters
     // must reconcile whether the platform already committed the message.
     const reconciliation = await reconcileUnknownQueuedDelivery({
@@ -668,7 +686,11 @@ async function drainQueuedEntry(opts: {
       }
       opts.log.warn(`Delivery entry ${entry.id} ${errMsg}`);
       opts.onFailed?.(entry, errMsg);
-      if (reconciliation?.status === "unresolved" && reconciliation.retryable === true) {
+      if (
+        reconciliation?.status === "unresolved" &&
+        reconciliation.retryable === true &&
+        !attemptBudgetExhausted
+      ) {
         try {
           await failDelivery(entry.id, errMsg, opts.stateDir);
           return "failed";
@@ -715,6 +737,22 @@ async function drainQueuedEntry(opts: {
     commitHooksRun = true;
     await runOutboundDeliveryCommitHooks(deliveredResults);
   };
+  const reservation = await reserveDeliveryAttempt(entry.id, maxRetries, opts.stateDir);
+  if (reservation.status === "exhausted") {
+    const errMsg = `delivery retry budget exhausted (${reservation.attemptCount}/${maxRetries})`;
+    markDurableDeliveryFailedBestEffort(entry, opts.log);
+    try {
+      await moveToFailed(entry.id, opts.stateDir);
+    } catch (moveErr) {
+      if (getErrnoCode(moveErr) === "ENOENT") {
+        return "already-gone";
+      }
+      throw moveErr;
+    }
+    emitQueuedAuditTerminals(entry, () => queuedDeadLetterAuditTerminals(entry));
+    opts.onFailed?.(entry, errMsg);
+    return "moved-to-failed";
+  }
   const recoverySpoolPaths = collectEntrySpoolPaths(entry.payloads, opts.stateDir);
   let mediaRecoveryLeaseId: string | undefined;
   try {
@@ -980,7 +1018,11 @@ export async function drainPendingDeliveries(opts: {
           continue;
         }
 
-        if (currentEntry.retryCount >= MAX_RETRIES) {
+        const maxRetries = resolveMaxRetries(currentEntry);
+        if (
+          resolveAttemptCount(currentEntry) >= maxRetries &&
+          !needsUnknownSendReconciliation(currentEntry)
+        ) {
           try {
             markDurableDeliveryFailedBestEffort(currentEntry, opts.log);
             await moveToFailed(currentEntry.id, opts.stateDir);
@@ -1044,7 +1086,7 @@ export async function drainPendingDeliveries(opts: {
 
 /**
  * On gateway startup, scan the delivery queue and retry any pending entries.
- * Uses exponential backoff and moves entries that exceed MAX_RETRIES to failed/.
+ * Uses exponential backoff and moves entries that exhaust their retry budget to failed/.
  */
 export async function recoverPendingDeliveries(opts: {
   deliver: DeliverFn;
@@ -1100,9 +1142,11 @@ export async function recoverPendingDeliveries(opts: {
         continue;
       }
 
-      if (currentEntry.retryCount >= MAX_RETRIES) {
+      const maxRetries = resolveMaxRetries(currentEntry);
+      const attemptCount = resolveAttemptCount(currentEntry);
+      if (attemptCount >= maxRetries && !needsUnknownSendReconciliation(currentEntry)) {
         opts.log.warn(
-          `Delivery ${currentEntry.id} exceeded max retries (${currentEntry.retryCount}/${MAX_RETRIES}) — moving to failed/`,
+          `Delivery ${currentEntry.id} exceeded max retries (${attemptCount}/${maxRetries}) — moving to failed/`,
         );
         const movedToFailed = await moveEntryToFailedWithLogging(
           currentEntry,
diff --git a/src/infra/outbound/delivery-queue-storage.ts b/src/infra/outbound/delivery-queue-storage.ts
index b6c9d068610e..582e4486bffb 100644
--- a/src/infra/outbound/delivery-queue-storage.ts
+++ b/src/infra/outbound/delivery-queue-storage.ts
@@ -6,6 +6,7 @@ import type { RenderedMessageBatchPlanItem } from "../../channels/message/types.
 import type { ReplyToMode } from "../../config/types.js";
 import type { PluginHookReplyPayloadSendingContext } from "../../plugins/hook-types.js";
 import {
+  completeDeliveryQueueEntry,
   commitStagedDeliveryQueueEntry,
   commitStagedDeliveryQueueEntryOnce,
   deleteDeliveryQueueEntry,
@@ -13,9 +14,11 @@ import {
   loadDeliveryQueueEntries,
   loadDeliveryQueueEntry,
   moveDeliveryQueueEntryToFailed,
+  reserveDeliveryQueueEntryAttempt,
   updateDeliveryQueueEntry,
   upsertDeliveryQueueEntry,
   type DeliveryQueueRowMetadata,
+  type DeliveryQueueCompletionRetention,
 } from "../delivery-queue-sqlite.js";
 import { generateSecureUuid } from "../secure-random.js";
 import type { DurableDeliveryCompletion } from "./delivery-completion.js";
@@ -85,12 +88,17 @@ export type QueuedDeliveryPayload = {
   preparedMessageId?: string;
   /** Serializable owner state finalized by both live delivery and recovery. */
   deliveryCompletion?: DurableDeliveryCompletion;
+  /** Retain a terminal receipt when the producer may replay this stable intent indefinitely. */
+  completionRetention?: DeliveryQueueCompletionRetention;
+  /** Producer-specific retry budget; omitted entries use the queue default. */
+  maxRetries?: number;
 };
 
 export interface QueuedDelivery extends QueuedDeliveryPayload {
   id: string;
   enqueuedAt: number;
   retryCount: number;
+  attemptCount: number;
   lastAttemptAt?: number;
   lastError?: string;
   platformSendStartedAt?: number;
@@ -135,7 +143,10 @@ function createQueuedDelivery(params: QueuedDeliveryPayload, id: string): Queued
     gatewayClientScopes: params.gatewayClientScopes,
     preparedMessageId: params.preparedMessageId,
     deliveryCompletion: params.deliveryCompletion,
+    completionRetention: params.completionRetention,
+    maxRetries: params.maxRetries,
     retryCount: 0,
+    attemptCount: 0,
   };
 }
 
@@ -224,7 +235,7 @@ type AckDeliveryOptions = {
   retainSpoolArtifacts?: boolean;
 };
 
-/** Remove a successfully delivered entry from the queue. */
+/** Remove a successfully delivered entry, or retain its permanent producer receipt. */
 export async function ackDelivery(
   id: string,
   stateDir?: string,
@@ -233,8 +244,17 @@ export async function ackDelivery(
   // Read the media references before the row goes, then unlink only after the
   // delete commits. A crash in between leaves an orphan for the retention sweep;
   // unlinking first could strip media from a row that still has to replay.
-  const spoolPaths = loadEntrySpoolPaths(id, stateDir);
-  deleteDeliveryQueueEntry(OUTBOUND_DELIVERY_QUEUE_NAME, id, stateDir);
+  const entry = loadDeliveryQueueEntry(
+    OUTBOUND_DELIVERY_QUEUE_NAME,
+    id,
+    stateDir,
+  ) as QueuedDelivery | null;
+  const spoolPaths = entry ? collectEntrySpoolPaths(entry.payloads, stateDir) : [];
+  if (entry?.completionRetention === "permanent") {
+    completeDeliveryQueueEntry(OUTBOUND_DELIVERY_QUEUE_NAME, id, stateDir);
+  } else {
+    deleteDeliveryQueueEntry(OUTBOUND_DELIVERY_QUEUE_NAME, id, stateDir);
+  }
   if (!options?.retainSpoolArtifacts) {
     await releaseSpoolArtifacts(spoolPaths, stateDir);
   }
@@ -283,6 +303,16 @@ export async function failDeliveryAfterPlatformSend(
   }));
 }
 
+/** Reserve one durable delivery call before invoking the provider path. */
+export async function reserveDeliveryAttempt(id: string, maxAttempts: number, stateDir?: string) {
+  return reserveDeliveryQueueEntryAttempt({
+    queueName: OUTBOUND_DELIVERY_QUEUE_NAME,
+    id,
+    maxAttempts,
+    stateDir,
+  });
+}
+
 function updateQueuedDelivery(
   id: string,
   stateDir: string | undefined,
diff --git a/src/infra/outbound/delivery-queue.reconnect-drain.test.ts b/src/infra/outbound/delivery-queue.reconnect-drain.test.ts
index 9ed6e6155cb2..aca95114f32b 100644
--- a/src/infra/outbound/delivery-queue.reconnect-drain.test.ts
+++ b/src/infra/outbound/delivery-queue.reconnect-drain.test.ts
@@ -4,13 +4,14 @@ import { beforeEach, describe, expect, it, vi } from "vitest";
 import { controlNextRecoverySleep } from "../../../test/helpers/infra/delivery-recovery.js";
 import type { OpenClawConfig } from "../../config/config.js";
 import { openOpenClawStateDatabase } from "../../state/openclaw-state-db.js";
-import { loadPendingDeliveries } from "./delivery-queue-storage.js";
+import { loadPendingDeliveries, reserveDeliveryAttempt } from "./delivery-queue-storage.js";
 import {
   type DeliverFn,
   drainPendingDeliveries,
   enqueueDelivery,
   failDelivery,
   markDeliveryPlatformOutcomeUnknown,
+  markDeliveryPlatformSendAttemptStarted,
   type RecoveryLogger,
   recoverPendingDeliveries,
   withActiveDeliveryClaim,
@@ -27,8 +28,12 @@ const MAX_RETRIES = 5;
 const stubCfg = {} as OpenClawConfig;
 const NO_LISTENER_ERROR = "No active DirectChat listener";
 const sleepMock = vi.hoisted(() => vi.fn<(ms: number) => Promise<void>>());
+const resolveOutboundChannelMessageAdapterMock = vi.hoisted(() => vi.fn());
 
 vi.mock("../../utils/sleep.js", () => ({ sleep: sleepMock }));
+vi.mock("./channel-resolution.js", () => ({
+  resolveOutboundChannelMessageAdapter: resolveOutboundChannelMessageAdapterMock,
+}));
 
 function normalizeReconnectAccountIdForTest(accountId?: string | null): string {
   return (accountId ?? "").trim() || "default";
@@ -146,6 +151,7 @@ describe("drainPendingDeliveries for reconnect", () => {
     tmpDir = fixtures.tmpDir();
     sleepMock.mockReset();
     sleepMock.mockResolvedValue(undefined);
+    resolveOutboundChannelMessageAdapterMock.mockReset();
   });
 
   it("drains entries that failed with 'no listener' error", async () => {
@@ -218,6 +224,46 @@ describe("drainPendingDeliveries for reconnect", () => {
     expectLogMessageWith(log.warn, "refusing blind replay without adapter reconciliation");
   });
 
+  it("reconciles an exhausted final attempt before dead-lettering", async () => {
+    const log = createRecoveryLog();
+    const deliver = vi.fn<DeliverFn>(async () => {});
+    const id = await enqueueDelivery(
+      {
+        channel: "directchat",
+        to: "+1555",
+        payloads: [{ text: "maybe sent" }],
+        accountId: "acct1",
+        maxRetries: 1,
+      },
+      tmpDir,
+    );
+    await reserveDeliveryAttempt(id, 1, tmpDir);
+    await markDeliveryPlatformSendAttemptStarted(id, tmpDir);
+    const reconcileUnknownSend = vi.fn().mockResolvedValue({
+      status: "sent",
+      messageId: "platform-final",
+      receipt: {
+        primaryPlatformMessageId: "platform-final",
+        platformMessageIds: ["platform-final"],
+        parts: [{ platformMessageId: "platform-final", kind: "text", index: 0 }],
+        sentAt: 1,
+      },
+    });
+    resolveOutboundChannelMessageAdapterMock.mockReturnValue({
+      durableFinal: {
+        capabilities: { reconcileUnknownSend: true },
+        reconcileUnknownSend,
+      },
+    });
+
+    await drainAcct1DirectChatReconnect({ deliver, log, stateDir: tmpDir });
+
+    expect(deliver).not.toHaveBeenCalled();
+    expect(reconcileUnknownSend).toHaveBeenCalledOnce();
+    expect(await loadPendingDeliveries(tmpDir)).toHaveLength(0);
+    expect(readOutboundQueueStatus(tmpDir, id)).toBeUndefined();
+  });
+
   it("skips entries where retryCount >= MAX_RETRIES", async () => {
     const log = createRecoveryLog();
     const deliver = vi.fn<DeliverFn>(async () => {});
diff --git a/src/infra/outbound/delivery-queue.recovery.test.ts b/src/infra/outbound/delivery-queue.recovery.test.ts
index ee05c33d10c3..b711f3c00f5f 100644
--- a/src/infra/outbound/delivery-queue.recovery.test.ts
+++ b/src/infra/outbound/delivery-queue.recovery.test.ts
@@ -24,7 +24,7 @@ import {
 } from "./deliver-types.js";
 import { attachOutboundDeliveryCommitHook } from "./delivery-commit-hooks.js";
 import { pruneOrphanedDeliveryQueueMedia } from "./delivery-queue-media-spool.js";
-import { loadPendingDeliveries } from "./delivery-queue-storage.js";
+import { loadPendingDeliveries, reserveDeliveryAttempt } from "./delivery-queue-storage.js";
 import {
   ackDelivery,
   enqueueDelivery,
@@ -498,6 +498,67 @@ describe("delivery-queue recovery", () => {
     });
   });
 
+  it("honors a producer-specific retry budget", async () => {
+    const id = await enqueueDelivery(
+      {
+        channel: "demo-channel-a",
+        to: "+1",
+        payloads: [{ text: "a" }],
+        maxRetries: 45,
+      },
+      tmpDir(),
+    );
+    setQueuedEntryState(tmpDir(), id, {
+      retryCount: MAX_RETRIES,
+      lastAttemptAt: Date.now() - 10_000_000,
+    });
+    const deliver = vi.fn().mockResolvedValue([]);
+
+    const { result } = await runRecovery({ deliver });
+
+    expect(deliver).toHaveBeenCalledOnce();
+    expect(result).toMatchObject({ recovered: 1, skippedMaxRetries: 0 });
+    expect(readOutboundQueueStatus(tmpDir(), id)).toBeUndefined();
+  });
+
+  it("dead-letters an atomically exhausted attempt budget before replay", async () => {
+    const id = await enqueueDelivery(
+      {
+        channel: "demo-channel-a",
+        to: "+1",
+        payloads: [{ text: "a" }],
+        maxRetries: 1,
+      },
+      tmpDir(),
+    );
+    await reserveDeliveryAttempt(id, 1, tmpDir());
+    const deliver = vi.fn();
+
+    const { result } = await runRecovery({ deliver });
+
+    expect(deliver).not.toHaveBeenCalled();
+    expect(result.skippedMaxRetries).toBe(1);
+    expect(readOutboundQueueStatus(tmpDir(), id)).toBe("failed");
+  });
+
+  it("ignores an invalid producer retry budget", async () => {
+    await enqueueDelivery(
+      {
+        channel: "demo-channel-a",
+        to: "+1",
+        payloads: [{ text: "a" }],
+        maxRetries: 0.5,
+      },
+      tmpDir(),
+    );
+    const deliver = vi.fn().mockResolvedValue([]);
+
+    const { result } = await runRecovery({ deliver });
+
+    expect(deliver).toHaveBeenCalledOnce();
+    expect(result).toMatchObject({ recovered: 1, skippedMaxRetries: 0 });
+  });
+
   it("dead-letters max-retry entries even when conversation owner state is missing", async () => {
     const storePath = path.join(tmpDir(), "missing-owner-sessions.json");
     const id = await enqueueDelivery(
@@ -537,6 +598,7 @@ describe("delivery-queue recovery", () => {
     );
     setQueuedEntryState(tmpDir(), id, {
       retryCount: MAX_RETRIES,
+      lastAttemptAt: Date.now() - 10_000_000,
       platformSendStartedAt: Date.now(),
       recoveryState: "send_attempt_started",
     });
@@ -544,7 +606,7 @@ describe("delivery-queue recovery", () => {
     const { result } = await runRecovery({ deliver: vi.fn() });
     unsubscribe();
 
-    expect(result.skippedMaxRetries).toBe(1);
+    expect(result).toMatchObject({ failed: 1, skippedMaxRetries: 0 });
     expect(auditEvents).toHaveLength(1);
     expect(auditEvents[0]).toMatchObject({
       sourceId: `message:outbound:queue:${id}:payload:0`,
@@ -571,6 +633,7 @@ describe("delivery-queue recovery", () => {
     const entries = await loadPendingDeliveries(tmpDir());
     expect(entries).toHaveLength(1);
     expect(entries[0]?.retryCount).toBe(1);
+    expect(entries[0]?.attemptCount).toBe(1);
     expect(entries[0]?.lastError).toBe("network down");
     expect(auditEvents).toEqual([]);
   });
@@ -1008,9 +1071,11 @@ describe("delivery-queue recovery", () => {
         replyToId: "root-message",
         threadId: "thread-1",
         silent: true,
+        maxRetries: 1,
       },
       tmpDir(),
     );
+    await reserveDeliveryAttempt(id, 1, tmpDir());
     await markDeliveryPlatformSendAttemptStarted(id, tmpDir(), {
       replyToId: "hooked-root-message",
     });
@@ -1172,6 +1237,45 @@ describe("delivery-queue recovery", () => {
     expect(entries[0]?.lastError).toContain("provider lookup timed out");
   });
 
+  it("dead-letters an exhausted unknown send after retryable reconciliation fails", async () => {
+    const id = await enqueueDelivery(
+      {
+        channel: "demo-channel-a",
+        to: "+1",
+        payloads: [{ text: "unknown final attempt" }],
+        maxRetries: 1,
+      },
+      tmpDir(),
+    );
+    await reserveDeliveryAttempt(id, 1, tmpDir());
+    setQueuedEntryState(tmpDir(), id, {
+      retryCount: 0,
+      lastAttemptAt: Date.now() - 10_000_000,
+      platformSendStartedAt: Date.now(),
+      recoveryState: "unknown_after_send",
+    });
+    const reconcileUnknownSend = vi.fn().mockResolvedValue({
+      status: "unresolved",
+      error: "provider lookup timed out",
+      retryable: true,
+    });
+    resolveOutboundChannelMessageAdapterMock.mockReturnValue({
+      durableFinal: {
+        capabilities: { reconcileUnknownSend: true },
+        reconcileUnknownSend,
+      },
+    });
+    const deliver = vi.fn().mockResolvedValue([]);
+
+    const { result } = await runRecovery({ deliver });
+
+    expect(reconcileUnknownSend).toHaveBeenCalledOnce();
+    expect(deliver).not.toHaveBeenCalled();
+    expect(result).toMatchObject({ failed: 1, skippedMaxRetries: 0 });
+    expect(await loadPendingDeliveries(tmpDir())).toHaveLength(0);
+    expect(readOutboundQueueStatus(tmpDir(), id)).toBe("failed");
+  });
+
   it("does not reconcile unknown-after-send entries unless the adapter declares the capability", async () => {
     const id = await enqueueDelivery(
       { channel: "demo-channel-a", to: "+1", payloads: [{ text: "hidden method" }] },
diff --git a/src/infra/outbound/delivery-queue.storage.test.ts b/src/infra/outbound/delivery-queue.storage.test.ts
index 014678aa2d48..7462a9832383 100644
--- a/src/infra/outbound/delivery-queue.storage.test.ts
+++ b/src/infra/outbound/delivery-queue.storage.test.ts
@@ -9,6 +9,7 @@ import {
   loadPendingDelivery,
   loadPendingDeliveries,
   moveToFailed,
+  reserveDeliveryAttempt,
 } from "./delivery-queue-storage.js";
 import {
   ackDelivery,
@@ -55,6 +56,40 @@ describe("delivery-queue storage", () => {
   }
 
   describe("enqueue + ack lifecycle", () => {
+    it("persists a producer-specific retry budget", async () => {
+      const id = await enqueueTextDelivery({
+        channel: "directchat",
+        to: "+1555",
+        payloads: [{ text: "retry-budget" }],
+        maxRetries: 45,
+      });
+
+      expect(readQueuedEntry(tmpDir(), id).maxRetries).toBe(45);
+    });
+
+    it("atomically reserves delivery attempts up to the producer budget", async () => {
+      const id = await enqueueTextDelivery({
+        channel: "directchat",
+        to: "+1555",
+        payloads: [{ text: "attempt-budget" }],
+        maxRetries: 2,
+      });
+
+      await expect(reserveDeliveryAttempt(id, 2, tmpDir())).resolves.toEqual({
+        status: "reserved",
+        attemptCount: 1,
+      });
+      await expect(reserveDeliveryAttempt(id, 2, tmpDir())).resolves.toEqual({
+        status: "reserved",
+        attemptCount: 2,
+      });
+      await expect(reserveDeliveryAttempt(id, 2, tmpDir())).resolves.toEqual({
+        status: "exhausted",
+        attemptCount: 2,
+      });
+      expect(readQueuedEntry(tmpDir(), id).attemptCount).toBe(2);
+    });
+
     it("creates and removes a queue entry", async () => {
       const id = await enqueueTextDelivery(
         {
@@ -180,6 +215,36 @@ describe("delivery-queue storage", () => {
       });
     });
 
+    it("keeps permanent completion ownership after ack", async () => {
+      const id = "restart-sentinel-notice:agent:main:main:123";
+      await enqueueDeliveryOnce(
+        {
+          channel: "directchat",
+          to: "+1555",
+          payloads: [{ text: "restart complete" }],
+          completionRetention: "permanent",
+        },
+        id,
+        tmpDir(),
+      );
+
+      await ackDelivery(id, tmpDir());
+      const repeated = await enqueueDeliveryOnce(
+        {
+          channel: "directchat",
+          to: "+1555",
+          payloads: [{ text: "must not replay" }],
+          completionRetention: "permanent",
+        },
+        id,
+        tmpDir(),
+      );
+
+      expect(repeated).toEqual({ id, created: false });
+      expect(await loadPendingDeliveries(tmpDir())).toEqual([]);
+      expect(readStatus(id)).toBe("completed");
+    });
+
     it("ack is idempotent (no error on missing file)", async () => {
       await expect(ackDelivery("nonexistent-id", tmpDir())).resolves.toBeUndefined();
     });
diff --git a/src/infra/restart-sentinel-store.ts b/src/infra/restart-sentinel-store.ts
new file mode 100644
index 000000000000..00e0f9020a08
--- /dev/null
+++ b/src/infra/restart-sentinel-store.ts
@@ -0,0 +1,660 @@
+import type { DatabaseSync } from "node:sqlite";
+import { isRecord as isPlainRecord } from "@openclaw/normalization-core/record-coerce";
+import type { DB as OpenClawStateKyselyDatabase } from "../state/openclaw-state-db.generated.js";
+import {
+  executeSqliteQuerySync,
+  executeSqliteQueryTakeFirstSync,
+  getNodeSqliteKysely,
+} from "./kysely-sync.js";
+
+type RestartSentinelLog = {
+  stdoutTail?: string | null;
+  stderrTail?: string | null;
+  exitCode?: number | null;
+};
+
+type RestartSentinelStep = {
+  name: string;
+  command: string;
+  cwd?: string | null;
+  durationMs?: number | null;
+  log?: RestartSentinelLog | null;
+};
+
+type RestartSentinelStats = {
+  mode?: string;
+  root?: string;
+  requiresRestart?: boolean;
+  handoffId?: string;
+  before?: Record<string, unknown> | null;
+  after?: Record<string, unknown> | null;
+  steps?: RestartSentinelStep[];
+  reason?: string | null;
+  durationMs?: number | null;
+};
+
+export type RestartSentinelContinuation =
+  | {
+      kind: "systemEvent";
+      text: string;
+    }
+  | {
+      kind: "agentTurn";
+      message: string;
+    };
+
+export type RestartSentinelPayload = {
+  kind: "config-apply" | "config-auto-recovery" | "config-patch" | "update" | "restart";
+  status: "ok" | "error" | "skipped";
+  ts: number;
+  sessionKey?: string;
+  deliveryContext?: {
+    channel?: string;
+    to?: string;
+    accountId?: string;
+  };
+  threadId?: string;
+  message?: string | null;
+  continuation?: RestartSentinelContinuation | null;
+  doctorHint?: string | null;
+  stats?: RestartSentinelStats | null;
+};
+
+export type RestartSentinelEnvelope = {
+  version: 1;
+  payload: RestartSentinelPayload;
+};
+
+export type RestartSentinel = RestartSentinelEnvelope & {
+  /** Optimistic-concurrency revision backed by gateway_restart_sentinel.updated_at_ms. */
+  revision: number;
+};
+
+type RestartSentinelRowState =
+  | { kind: "missing" }
+  | { kind: "invalid"; revision: number }
+  | { kind: "valid"; sentinel: RestartSentinel };
+
+const RESTART_SENTINEL_KEY = "current";
+const RESTART_SENTINEL_REVISION_FLOOR_KEY = "revision-floor";
+const RESTART_SENTINEL_KINDS = new Set<RestartSentinelPayload["kind"]>([
+  "config-apply",
+  "config-auto-recovery",
+  "config-patch",
+  "update",
+  "restart",
+]);
+const RESTART_SENTINEL_STATUSES = new Set<RestartSentinelPayload["status"]>([
+  "ok",
+  "error",
+  "skipped",
+]);
+
+type GatewayRestartSentinelDatabase = Pick<OpenClawStateKyselyDatabase, "gateway_restart_sentinel">;
+
+function isFiniteNumber(value: unknown): value is number {
+  return typeof value === "number" && Number.isFinite(value);
+}
+
+function isSafeInteger(value: unknown): value is number {
+  return typeof value === "number" && Number.isSafeInteger(value);
+}
+
+function parseOptionalNullableString(
+  record: Record<string, unknown>,
+  key: string,
+): string | null | undefined | false {
+  const value = record[key];
+  if (value === undefined || value === null || typeof value === "string") {
+    return value;
+  }
+  return false;
+}
+
+function parseRestartSentinelLog(value: unknown): RestartSentinelLog | null {
+  if (!isPlainRecord(value)) {
+    return null;
+  }
+  const stdoutTail = parseOptionalNullableString(value, "stdoutTail");
+  const stderrTail = parseOptionalNullableString(value, "stderrTail");
+  const exitCode = value.exitCode;
+  if (
+    stdoutTail === false ||
+    stderrTail === false ||
+    (exitCode !== undefined && exitCode !== null && !isSafeInteger(exitCode))
+  ) {
+    return null;
+  }
+  const result: RestartSentinelLog = {};
+  if (stdoutTail !== undefined) {
+    result.stdoutTail = stdoutTail;
+  }
+  if (stderrTail !== undefined) {
+    result.stderrTail = stderrTail;
+  }
+  if (exitCode !== undefined) {
+    result.exitCode = exitCode as number | null;
+  }
+  return result;
+}
+
+function parseRestartSentinelStep(value: unknown): RestartSentinelStep | null {
+  if (
+    !isPlainRecord(value) ||
+    typeof value.name !== "string" ||
+    typeof value.command !== "string"
+  ) {
+    return null;
+  }
+  const cwd = parseOptionalNullableString(value, "cwd");
+  const durationMs = value.durationMs;
+  const log = value.log;
+  if (
+    cwd === false ||
+    (durationMs !== undefined && durationMs !== null && !isFiniteNumber(durationMs)) ||
+    (log !== undefined && log !== null && !parseRestartSentinelLog(log))
+  ) {
+    return null;
+  }
+  const result: RestartSentinelStep = { name: value.name, command: value.command };
+  if (cwd !== undefined) {
+    result.cwd = cwd;
+  }
+  if (durationMs !== undefined) {
+    result.durationMs = durationMs as number | null;
+  }
+  if (log !== undefined) {
+    result.log = log === null ? null : parseRestartSentinelLog(log);
+  }
+  return result;
+}
+
+function parseRestartSentinelStats(value: unknown): RestartSentinelStats | null {
+  if (!isPlainRecord(value)) {
+    return null;
+  }
+  const mode = parseOptionalNullableString(value, "mode");
+  const root = parseOptionalNullableString(value, "root");
+  const handoffId = parseOptionalNullableString(value, "handoffId");
+  const reason = parseOptionalNullableString(value, "reason");
+  const before = value.before;
+  const after = value.after;
+  const steps = value.steps;
+  const durationMs = value.durationMs;
+  if (
+    mode === false ||
+    mode === null ||
+    root === false ||
+    root === null ||
+    handoffId === false ||
+    handoffId === null ||
+    reason === false ||
+    (value.requiresRestart !== undefined && typeof value.requiresRestart !== "boolean") ||
+    (before !== undefined && before !== null && !isPlainRecord(before)) ||
+    (after !== undefined && after !== null && !isPlainRecord(after)) ||
+    (steps !== undefined &&
+      (!Array.isArray(steps) || steps.some((step) => !parseRestartSentinelStep(step)))) ||
+    (durationMs !== undefined && durationMs !== null && !isFiniteNumber(durationMs))
+  ) {
+    return null;
+  }
+  const result: RestartSentinelStats = {};
+  if (mode !== undefined) {
+    result.mode = mode;
+  }
+  if (root !== undefined) {
+    result.root = root;
+  }
+  if (value.requiresRestart !== undefined) {
+    result.requiresRestart = value.requiresRestart as boolean;
+  }
+  if (handoffId !== undefined) {
+    result.handoffId = handoffId;
+  }
+  if (before !== undefined) {
+    result.before = before as Record<string, unknown> | null;
+  }
+  if (after !== undefined) {
+    result.after = after as Record<string, unknown> | null;
+  }
+  if (steps !== undefined) {
+    result.steps = steps.map((step) => parseRestartSentinelStep(step)!);
+  }
+  if (reason !== undefined) {
+    result.reason = reason;
+  }
+  if (durationMs !== undefined) {
+    result.durationMs = durationMs as number | null;
+  }
+  return result;
+}
+
+function parseRestartSentinelContinuation(value: unknown): RestartSentinelContinuation | null {
+  if (!isPlainRecord(value)) {
+    return null;
+  }
+  if (value.kind === "systemEvent" && typeof value.text === "string") {
+    return { kind: "systemEvent", text: value.text };
+  }
+  if (value.kind === "agentTurn" && typeof value.message === "string") {
+    return { kind: "agentTurn", message: value.message };
+  }
+  return null;
+}
+
+function parseRestartSentinelPayload(value: unknown): RestartSentinelPayload | null {
+  if (
+    !isPlainRecord(value) ||
+    !RESTART_SENTINEL_KINDS.has(value.kind as RestartSentinelPayload["kind"]) ||
+    !RESTART_SENTINEL_STATUSES.has(value.status as RestartSentinelPayload["status"]) ||
+    !isSafeInteger(value.ts)
+  ) {
+    return null;
+  }
+  const sessionKey = parseOptionalNullableString(value, "sessionKey");
+  const threadId = parseOptionalNullableString(value, "threadId");
+  const message = parseOptionalNullableString(value, "message");
+  const doctorHint = parseOptionalNullableString(value, "doctorHint");
+  if (
+    sessionKey === false ||
+    sessionKey === null ||
+    threadId === false ||
+    threadId === null ||
+    message === false ||
+    doctorHint === false
+  ) {
+    return null;
+  }
+
+  let deliveryContext: RestartSentinelPayload["deliveryContext"];
+  if (value.deliveryContext !== undefined) {
+    if (!isPlainRecord(value.deliveryContext)) {
+      return null;
+    }
+    const channel = parseOptionalNullableString(value.deliveryContext, "channel");
+    const to = parseOptionalNullableString(value.deliveryContext, "to");
+    const accountId = parseOptionalNullableString(value.deliveryContext, "accountId");
+    if (
+      channel === false ||
+      channel === null ||
+      to === false ||
+      to === null ||
+      accountId === false ||
+      accountId === null
+    ) {
+      return null;
+    }
+    deliveryContext = {};
+    if (channel !== undefined) {
+      deliveryContext.channel = channel;
+    }
+    if (to !== undefined) {
+      deliveryContext.to = to;
+    }
+    if (accountId !== undefined) {
+      deliveryContext.accountId = accountId;
+    }
+  }
+
+  let continuation: RestartSentinelContinuation | null | undefined;
+  if (value.continuation !== undefined) {
+    continuation =
+      value.continuation === null ? null : parseRestartSentinelContinuation(value.continuation);
+    if (continuation === null && value.continuation !== null) {
+      return null;
+    }
+  }
+
+  let stats: RestartSentinelStats | null | undefined;
+  if (value.stats !== undefined) {
+    stats = value.stats === null ? null : parseRestartSentinelStats(value.stats);
+    if (stats === null && value.stats !== null) {
+      return null;
+    }
+  }
+
+  const result: RestartSentinelPayload = {
+    kind: value.kind as RestartSentinelPayload["kind"],
+    status: value.status as RestartSentinelPayload["status"],
+    ts: value.ts,
+  };
+  if (sessionKey !== undefined) {
+    result.sessionKey = sessionKey;
+  }
+  // SQL NULL is canonical absence for optional top-level columns. Normalize
+  // legacy nulls and empty routes so writes and typed-column reads agree.
+  if (deliveryContext !== undefined && Object.keys(deliveryContext).length > 0) {
+    result.deliveryContext = deliveryContext;
+  }
+  if (threadId !== undefined) {
+    result.threadId = threadId;
+  }
+  if (message !== undefined && message !== null) {
+    result.message = message;
+  }
+  if (continuation !== undefined && continuation !== null) {
+    result.continuation = continuation;
+  }
+  if (doctorHint !== undefined && doctorHint !== null) {
+    result.doctorHint = doctorHint;
+  }
+  if (stats !== undefined && stats !== null) {
+    result.stats = stats;
+  }
+  return result;
+}
+
+export function parseRestartSentinelEnvelope(value: unknown): RestartSentinelEnvelope | null {
+  if (!isPlainRecord(value) || value.version !== 1) {
+    return null;
+  }
+  const payload = parseRestartSentinelPayload(value.payload);
+  return payload ? { version: 1, payload } : null;
+}
+
+function parseRequiredJson(value: string | null): unknown {
+  if (value === null) {
+    return undefined;
+  }
+  try {
+    return JSON.parse(value) as unknown;
+  } catch {
+    return undefined;
+  }
+}
+
+function decodeRestartSentinelRow(row: {
+  version: number;
+  kind: string;
+  status: string;
+  ts: number;
+  session_key: string | null;
+  thread_id: string | null;
+  delivery_channel: string | null;
+  delivery_to: string | null;
+  delivery_account_id: string | null;
+  message: string | null;
+  continuation_json: string | null;
+  doctor_hint: string | null;
+  stats_json: string | null;
+  updated_at_ms: number;
+}): RestartSentinel | null {
+  if (row.version !== 1 || !isSafeInteger(row.updated_at_ms)) {
+    return null;
+  }
+  const candidate: Record<string, unknown> = {
+    kind: row.kind,
+    status: row.status,
+    ts: row.ts,
+  };
+  if (row.session_key !== null) {
+    candidate.sessionKey = row.session_key;
+  }
+  if (row.thread_id !== null) {
+    candidate.threadId = row.thread_id;
+  }
+  if (
+    row.delivery_channel !== null ||
+    row.delivery_to !== null ||
+    row.delivery_account_id !== null
+  ) {
+    candidate.deliveryContext = {
+      ...(row.delivery_channel === null ? {} : { channel: row.delivery_channel }),
+      ...(row.delivery_to === null ? {} : { to: row.delivery_to }),
+      ...(row.delivery_account_id === null ? {} : { accountId: row.delivery_account_id }),
+    };
+  }
+  if (row.message !== null) {
+    candidate.message = row.message;
+  }
+  if (row.continuation_json !== null) {
+    const continuation = parseRequiredJson(row.continuation_json);
+    if (continuation === undefined) {
+      return null;
+    }
+    candidate.continuation = continuation;
+  }
+  if (row.doctor_hint !== null) {
+    candidate.doctorHint = row.doctor_hint;
+  }
+  if (row.stats_json !== null) {
+    const stats = parseRequiredJson(row.stats_json);
+    if (stats === undefined) {
+      return null;
+    }
+    candidate.stats = stats;
+  }
+  const payload = parseRestartSentinelPayload(candidate);
+  return payload ? { version: 1, payload, revision: row.updated_at_ms } : null;
+}
+
+export function readRestartSentinelRowSync(db: DatabaseSync): RestartSentinelRowState {
+  const stateDb = getNodeSqliteKysely<GatewayRestartSentinelDatabase>(db);
+  const row = executeSqliteQueryTakeFirstSync(
+    db,
+    stateDb
+      .selectFrom("gateway_restart_sentinel")
+      .select([
+        "version",
+        "kind",
+        "status",
+        "ts",
+        "session_key",
+        "thread_id",
+        "delivery_channel",
+        "delivery_to",
+        "delivery_account_id",
+        "message",
+        "continuation_json",
+        "doctor_hint",
+        "stats_json",
+        "updated_at_ms",
+      ])
+      .where("sentinel_key", "=", RESTART_SENTINEL_KEY),
+  );
+  if (!row) {
+    return { kind: "missing" };
+  }
+  const sentinel = decodeRestartSentinelRow(row);
+  return sentinel ? { kind: "valid", sentinel } : { kind: "invalid", revision: row.updated_at_ms };
+}
+
+function requireValidPayload(payload: RestartSentinelPayload): RestartSentinelPayload {
+  const parsed = parseRestartSentinelPayload(payload);
+  if (!parsed) {
+    throw new TypeError("Invalid restart sentinel payload");
+  }
+  return parsed;
+}
+
+function nextRevision(currentRevision: number | null): number {
+  if (currentRevision !== null && !Number.isSafeInteger(currentRevision)) {
+    throw new Error("Restart sentinel revision is outside the safe integer range");
+  }
+  // Same-millisecond replacements still need distinct revisions, or a stale
+  // consumer could delete the newer singleton row after delivering the old one.
+  const revision = Math.max(Date.now(), currentRevision === null ? 0 : currentRevision + 1);
+  if (!Number.isSafeInteger(revision)) {
+    throw new Error("Restart sentinel revision exhausted the safe integer range");
+  }
+  return revision;
+}
+
+function readRestartSentinelRevisionFloorSync(db: DatabaseSync): number | null {
+  const stateDb = getNodeSqliteKysely<GatewayRestartSentinelDatabase>(db);
+  const row = executeSqliteQueryTakeFirstSync(
+    db,
+    stateDb
+      .selectFrom("gateway_restart_sentinel")
+      .select("updated_at_ms")
+      .where("sentinel_key", "=", RESTART_SENTINEL_REVISION_FLOOR_KEY),
+  );
+  if (!row) {
+    return null;
+  }
+  if (!Number.isSafeInteger(row.updated_at_ms)) {
+    throw new Error("Restart sentinel revision floor is outside the safe integer range");
+  }
+  return row.updated_at_ms;
+}
+
+function maxRevision(left: number | null, right: number | null): number | null {
+  if (left === null) {
+    return right;
+  }
+  if (right === null) {
+    return left;
+  }
+  return Math.max(left, right);
+}
+
+function buildRestartSentinelRow(
+  payload: RestartSentinelPayload,
+  revision: number,
+  sentinelKey = RESTART_SENTINEL_KEY,
+) {
+  return {
+    sentinel_key: sentinelKey,
+    version: 1,
+    kind: payload.kind,
+    status: payload.status,
+    ts: payload.ts,
+    session_key: payload.sessionKey ?? null,
+    thread_id: payload.threadId ?? null,
+    delivery_channel: payload.deliveryContext?.channel ?? null,
+    delivery_to: payload.deliveryContext?.to ?? null,
+    delivery_account_id: payload.deliveryContext?.accountId ?? null,
+    message: payload.message ?? null,
+    continuation_json: payload.continuation ? JSON.stringify(payload.continuation) : null,
+    doctor_hint: payload.doctorHint ?? null,
+    stats_json: payload.stats ? JSON.stringify(payload.stats) : null,
+    // Debug shadow only. Reads reconstruct exclusively from typed columns above.
+    payload_json: JSON.stringify(payload),
+    updated_at_ms: revision,
+  };
+}
+
+function upsertRestartSentinelRowSync(
+  db: DatabaseSync,
+  row: ReturnType<typeof buildRestartSentinelRow>,
+): void {
+  const stateDb = getNodeSqliteKysely<GatewayRestartSentinelDatabase>(db);
+  executeSqliteQuerySync(
+    db,
+    stateDb
+      .insertInto("gateway_restart_sentinel")
+      .values(row)
+      .onConflict((conflict) =>
+        conflict.column("sentinel_key").doUpdateSet({
+          version: (eb) => eb.ref("excluded.version"),
+          kind: (eb) => eb.ref("excluded.kind"),
+          status: (eb) => eb.ref("excluded.status"),
+          ts: (eb) => eb.ref("excluded.ts"),
+          session_key: (eb) => eb.ref("excluded.session_key"),
+          thread_id: (eb) => eb.ref("excluded.thread_id"),
+          delivery_channel: (eb) => eb.ref("excluded.delivery_channel"),
+          delivery_to: (eb) => eb.ref("excluded.delivery_to"),
+          delivery_account_id: (eb) => eb.ref("excluded.delivery_account_id"),
+          message: (eb) => eb.ref("excluded.message"),
+          continuation_json: (eb) => eb.ref("excluded.continuation_json"),
+          doctor_hint: (eb) => eb.ref("excluded.doctor_hint"),
+          stats_json: (eb) => eb.ref("excluded.stats_json"),
+          payload_json: (eb) => eb.ref("excluded.payload_json"),
+          updated_at_ms: (eb) => eb.ref("excluded.updated_at_ms"),
+        }),
+      ),
+  );
+}
+
+function advanceRestartSentinelRevisionFloorSync(db: DatabaseSync, revision: number): void {
+  // `current` is deleted after durable delivery. The reserved row survives that
+  // clear so a later same-millisecond write cannot reuse an idempotency revision.
+  const payload: RestartSentinelPayload = { kind: "restart", status: "skipped", ts: revision };
+  upsertRestartSentinelRowSync(
+    db,
+    buildRestartSentinelRow(payload, revision, RESTART_SENTINEL_REVISION_FLOOR_KEY),
+  );
+}
+
+export function writeRestartSentinelRowSync(
+  db: DatabaseSync,
+  rawPayload: RestartSentinelPayload,
+): RestartSentinel {
+  const payload = requireValidPayload(rawPayload);
+  const current = readRestartSentinelRowSync(db);
+  const currentRevision =
+    current.kind === "missing"
+      ? null
+      : current.kind === "valid"
+        ? current.sentinel.revision
+        : current.revision;
+  const revision = nextRevision(
+    maxRevision(currentRevision, readRestartSentinelRevisionFloorSync(db)),
+  );
+  const row = buildRestartSentinelRow(payload, revision);
+  upsertRestartSentinelRowSync(db, row);
+  advanceRestartSentinelRevisionFloorSync(db, revision);
+  return { version: 1, payload, revision };
+}
+
+export function writeRestartSentinelRowIfRevisionSync(
+  db: DatabaseSync,
+  rawPayload: RestartSentinelPayload,
+  expectedRevision: number,
+): RestartSentinel | null {
+  const current = readRestartSentinelRowSync(db);
+  if (current.kind !== "valid" || current.sentinel.revision !== expectedRevision) {
+    return null;
+  }
+  const payload = requireValidPayload(rawPayload);
+  const revision = nextRevision(
+    maxRevision(expectedRevision, readRestartSentinelRevisionFloorSync(db)),
+  );
+  const row = buildRestartSentinelRow(payload, revision);
+  const stateDb = getNodeSqliteKysely<GatewayRestartSentinelDatabase>(db);
+  const result = executeSqliteQuerySync(
+    db,
+    stateDb
+      .updateTable("gateway_restart_sentinel")
+      .set(row)
+      .where("sentinel_key", "=", RESTART_SENTINEL_KEY)
+      .where("updated_at_ms", "=", expectedRevision),
+  );
+  if (result.numAffectedRows !== 1n) {
+    return null;
+  }
+  advanceRestartSentinelRevisionFloorSync(db, revision);
+  return { version: 1, payload, revision };
+}
+
+export function deleteRestartSentinelRowSync(db: DatabaseSync, expectedRevision?: number): boolean {
+  const current = readRestartSentinelRowSync(db);
+  if (current.kind === "missing") {
+    return false;
+  }
+  const currentRevision = current.kind === "valid" ? current.sentinel.revision : current.revision;
+  if (expectedRevision !== undefined && currentRevision !== expectedRevision) {
+    return false;
+  }
+  if (!Number.isSafeInteger(currentRevision)) {
+    throw new Error("Restart sentinel revision is outside the safe integer range");
+  }
+  advanceRestartSentinelRevisionFloorSync(
+    db,
+    maxRevision(currentRevision, readRestartSentinelRevisionFloorSync(db)) ?? currentRevision,
+  );
+
+  const stateDb = getNodeSqliteKysely<GatewayRestartSentinelDatabase>(db);
+  let query = stateDb
+    .deleteFrom("gateway_restart_sentinel")
+    .where("sentinel_key", "=", RESTART_SENTINEL_KEY);
+  if (expectedRevision !== undefined) {
+    query = query.where("updated_at_ms", "=", expectedRevision);
+  }
+  if (executeSqliteQuerySync(db, query).numAffectedRows !== 1n) {
+    // The outer write transaction owns both rows; fail closed so its rollback
+    // cannot leave a floor for a current row this call did not consume.
+    throw new Error("Restart sentinel changed during guarded delete");
+  }
+  return true;
+}
diff --git a/src/infra/restart-sentinel.test.ts b/src/infra/restart-sentinel.test.ts
index c5a46c62996b..1d8b387655bb 100644
--- a/src/infra/restart-sentinel.test.ts
+++ b/src/infra/restart-sentinel.test.ts
@@ -45,6 +45,7 @@ import {
 import {
   buildRestartSuccessContinuation,
   clearRestartSentinel,
+  clearRestartSentinelIfRevision,
   finalizeUpdateRestartSentinelRunningVersion,
   formatDoctorNonInteractiveHint,
   formatRestartSentinelMessage,
@@ -87,34 +88,51 @@ function readSentinelRow() {
     db,
     stateDb
       .selectFrom("gateway_restart_sentinel")
-      .select(["sentinel_key", "version", "kind", "status", "payload_json"])
+      .select(["sentinel_key", "version", "kind", "status", "payload_json", "updated_at_ms"])
       .where("sentinel_key", "=", "current"),
   );
 }
 
-function insertSentinelRow(values: { version?: number; payloadJson: string }) {
+function readSentinelRevisionFloor() {
+  const { db } = openOpenClawStateDatabase();
+  const stateDb = getNodeSqliteKysely<GatewayRestartSentinelDatabase>(db);
+  return executeSqliteQueryTakeFirstSync(
+    db,
+    stateDb
+      .selectFrom("gateway_restart_sentinel")
+      .select("updated_at_ms")
+      .where("sentinel_key", "=", "revision-floor"),
+  )?.updated_at_ms;
+}
+
+function deleteSentinelRevisionFloor() {
   const { db } = openOpenClawStateDatabase();
   const stateDb = getNodeSqliteKysely<GatewayRestartSentinelDatabase>(db);
   executeSqliteQuerySync(
     db,
-    stateDb.insertInto("gateway_restart_sentinel").values({
-      sentinel_key: "current",
-      version: values.version ?? 1,
-      kind: "update",
-      status: "ok",
-      ts: Date.now(),
-      session_key: null,
-      thread_id: null,
-      delivery_channel: null,
-      delivery_to: null,
-      delivery_account_id: null,
-      message: null,
-      continuation_json: null,
-      doctor_hint: null,
-      stats_json: null,
-      payload_json: values.payloadJson,
-      updated_at_ms: Date.now(),
-    }),
+    stateDb.deleteFrom("gateway_restart_sentinel").where("sentinel_key", "=", "revision-floor"),
+  );
+}
+
+function updateSentinelRow(
+  values: Partial<{
+    version: number;
+    kind: string;
+    status: string;
+    continuation_json: string | null;
+    stats_json: string | null;
+    payload_json: string;
+    updated_at_ms: number;
+  }>,
+) {
+  const { db } = openOpenClawStateDatabase();
+  const stateDb = getNodeSqliteKysely<GatewayRestartSentinelDatabase>(db);
+  executeSqliteQuerySync(
+    db,
+    stateDb
+      .updateTable("gateway_restart_sentinel")
+      .set(values)
+      .where("sentinel_key", "=", "current"),
   );
 }
 
@@ -147,7 +165,28 @@ describe("restart sentinel", () => {
     });
   });
 
-  it("imports a legacy file sentinel into sqlite once", async () => {
+  it("canonicalizes nullable top-level fields and empty delivery context", async () => {
+    await withRestartSentinelStateDir(async () => {
+      const written = await writeRestartSentinel({
+        kind: "restart",
+        status: "ok",
+        ts: 1,
+        deliveryContext: {},
+        message: null,
+        continuation: null,
+        doctorHint: null,
+        stats: null,
+      });
+
+      expect(written.payload).toEqual({ kind: "restart", status: "ok", ts: 1 });
+      await expect(readRestartSentinel()).resolves.toEqual(written);
+      expect(readSentinelRow()?.payload_json).toBe(
+        JSON.stringify({ kind: "restart", status: "ok", ts: 1 }),
+      );
+    });
+  });
+
+  it("ignores legacy files without mutating them", async () => {
     await withRestartSentinelStateDir(async () => {
       const payload = {
         kind: "update" as const,
@@ -161,100 +200,132 @@ describe("restart sentinel", () => {
         },
       };
       const legacyPath = path.join(process.env.OPENCLAW_STATE_DIR ?? "", "restart-sentinel.json");
-      await fs.writeFile(legacyPath, `${JSON.stringify({ version: 1, payload })}\n`, "utf-8");
-
-      await expect(hasRestartSentinel()).resolves.toBe(true);
-      expect(readSentinelRow()).toMatchObject({
-        sentinel_key: "current",
-        version: 1,
-        kind: "update",
-        status: "skipped",
-        payload_json: JSON.stringify(payload),
-      });
-      await expect(fs.access(legacyPath)).rejects.toThrow();
-      await expect(readRestartSentinel()).resolves.toEqual({ version: 1, payload });
-    });
-  });
-
-  it("does not replay a legacy file superseded by a sqlite sentinel", async () => {
-    await withRestartSentinelStateDir(async () => {
-      const legacyPath = path.join(process.env.OPENCLAW_STATE_DIR ?? "", "restart-sentinel.json");
-      await fs.writeFile(
-        legacyPath,
-        `${JSON.stringify({
-          version: 1,
-          payload: {
-            kind: "update",
-            status: "ok",
-            ts: 1,
-            message: "stale legacy sentinel",
-          },
-        })}\n`,
-        "utf-8",
-      );
-
-      await writeRestartSentinel({
-        kind: "restart",
-        status: "ok",
-        ts: 2,
-        message: "current sqlite sentinel",
-      });
-      await expect(fs.access(legacyPath)).rejects.toThrow();
-
-      await clearRestartSentinel();
+      const legacyContents = `${JSON.stringify({ version: 1, payload })}\n`;
+      await fs.writeFile(legacyPath, legacyContents, "utf-8");
 
       await expect(hasRestartSentinel()).resolves.toBe(false);
       await expect(readRestartSentinel()).resolves.toBeNull();
+      await writeRestartSentinel({ kind: "restart", status: "ok", ts: 2 });
+      await clearRestartSentinel();
+      await expect(fs.readFile(legacyPath, "utf-8")).resolves.toBe(legacyContents);
     });
   });
 
-  it("drops invalid sentinel payloads", async () => {
+  it("reconstructs typed columns when payload_json is corrupt", async () => {
     await withRestartSentinelStateDir(async () => {
-      insertSentinelRow({ payloadJson: "not-json" });
+      const payload = {
+        kind: "update" as const,
+        status: "skipped" as const,
+        ts: 42,
+        sessionKey: "agent:main:webchat:dm:user-123",
+        deliveryContext: { channel: "webchat", to: "user-123", accountId: "default" },
+        threadId: "thread-1",
+        message: "typed state",
+        continuation: { kind: "agentTurn" as const, message: "continue" },
+        doctorHint: "run doctor",
+        stats: { mode: "npm", reason: "pending" },
+      };
+      const written = await writeRestartSentinel(payload);
+      updateSentinelRow({ payload_json: "not-json" });
 
-      const read = await readRestartSentinel();
-      expect(read).toBeNull();
-
-      expect(readSentinelRow()).toBeUndefined();
+      await expect(readRestartSentinel()).resolves.toEqual(written);
     });
   });
 
-  it("drops structurally invalid sentinel payloads", async () => {
+  it("leaves malformed typed rows in place and reports them as unreadable", async () => {
     await withRestartSentinelStateDir(async () => {
-      insertSentinelRow({ version: 2, payloadJson: JSON.stringify(null) });
+      await writeRestartSentinel({ kind: "update", status: "ok", ts: 1 });
+      updateSentinelRow({ kind: "not-a-kind", payload_json: "{}" });
 
       await expect(readRestartSentinel()).resolves.toBeNull();
-      expect(readSentinelRow()).toBeUndefined();
+      await expect(hasRestartSentinel()).resolves.toBe(false);
+      expect(readSentinelRow()).toMatchObject({ kind: "not-a-kind", payload_json: "{}" });
+      expect(mockWarn).toHaveBeenCalledWith("Ignoring invalid typed restart sentinel row");
     });
   });
 
-  it("keeps old config restart sentinels readable without restart-required stats", async () => {
+  it("rejects malformed typed JSON columns even when the shadow payload is valid", async () => {
     await withRestartSentinelStateDir(async () => {
-      const filePath = path.join(process.env.OPENCLAW_STATE_DIR ?? "", "restart-sentinel.json");
-      const payload = {
-        kind: "config-patch" as const,
-        status: "ok" as const,
-        ts: Date.now(),
-        message: "Config updated successfully",
-        stats: { mode: "config.patch" },
-      };
-      await fs.mkdir(path.dirname(filePath), { recursive: true });
-      await fs.writeFile(filePath, JSON.stringify({ version: 1, payload }, null, 2), "utf-8");
+      const payload = { kind: "update" as const, status: "ok" as const, ts: 1 };
+      await writeRestartSentinel(payload);
+      updateSentinelRow({
+        continuation_json: JSON.stringify({ kind: "agentTurn", message: 42 }),
+        payload_json: JSON.stringify(payload),
+      });
 
-      const read = await readRestartSentinel();
+      await expect(readRestartSentinel()).resolves.toBeNull();
+      await expect(hasRestartSentinel()).resolves.toBe(false);
+    });
+  });
 
-      expect(read?.payload).toEqual(payload);
-      if (!read) {
-        throw new Error("Expected old restart sentinel to be readable");
+  it("keeps revisions strictly monotonic within the same millisecond", async () => {
+    await withRestartSentinelStateDir(async () => {
+      const now = vi.spyOn(Date, "now").mockReturnValue(1000);
+      try {
+        const first = await writeRestartSentinel({ kind: "restart", status: "ok", ts: 1 });
+        const second = await writeRestartSentinel({ kind: "restart", status: "ok", ts: 2 });
+        expect(second.revision).toBe(first.revision + 1);
+        expect(readSentinelRow()?.updated_at_ms).toBe(second.revision);
+      } finally {
+        now.mockRestore();
       }
-      expect(summarizeRestartSentinel(read.payload)).toBe(
-        "Gateway restart config-patch ok (config.patch)",
-      );
-      expect(formatRestartSentinelMessage(read.payload)).toBe(
-        ["Gateway restart config-patch ok (config.patch)", "Config updated successfully"].join(
-          "\n",
-        ),
-      );
+    });
+  });
+
+  it("upgrades pre-floor rows before unconditional and guarded clears", async () => {
+    await withRestartSentinelStateDir(async () => {
+      const now = vi.spyOn(Date, "now").mockReturnValue(1000);
+      try {
+        const first = await writeRestartSentinel({ kind: "restart", status: "ok", ts: 1 });
+        deleteSentinelRevisionFloor();
+        expect(readSentinelRevisionFloor()).toBeUndefined();
+        await expect(clearRestartSentinel()).resolves.toBe(true);
+
+        await expect(readRestartSentinel()).resolves.toBeNull();
+        await expect(hasRestartSentinel()).resolves.toBe(false);
+        expect(readSentinelRevisionFloor()).toBe(first.revision);
+
+        now.mockReturnValue(500);
+        const second = await writeRestartSentinel({ kind: "restart", status: "ok", ts: 2 });
+        expect(second.revision).toBe(first.revision + 1);
+
+        deleteSentinelRevisionFloor();
+        await expect(clearRestartSentinelIfRevision(second.revision + 1)).resolves.toBe(false);
+        expect(readSentinelRevisionFloor()).toBeUndefined();
+        await expect(readRestartSentinel()).resolves.toEqual(second);
+
+        await expect(clearRestartSentinelIfRevision(second.revision)).resolves.toBe(true);
+        expect(readSentinelRevisionFloor()).toBe(second.revision);
+        const third = await writeRestartSentinel({ kind: "restart", status: "ok", ts: 3 });
+        expect(third.revision).toBe(second.revision + 1);
+
+        await expect(clearRestartSentinelIfRevision(third.revision)).resolves.toBe(true);
+        deleteSentinelRevisionFloor();
+        await expect(clearRestartSentinel()).resolves.toBe(false);
+        expect(readSentinelRevisionFloor()).toBeUndefined();
+      } finally {
+        now.mockRestore();
+      }
+    });
+  });
+
+  it("does not let stale deletes remove a newer sentinel", async () => {
+    await withRestartSentinelStateDir(async () => {
+      const first = await writeRestartSentinel({
+        kind: "restart",
+        status: "ok",
+        ts: 1,
+        message: "old",
+      });
+      const newer = await writeRestartSentinel({
+        kind: "restart",
+        status: "ok",
+        ts: 2,
+        message: "new",
+      });
+
+      await expect(clearRestartSentinelIfRevision(first.revision)).resolves.toBe(false);
+      await expect(readRestartSentinel()).resolves.toEqual(newer);
     });
   });
 
@@ -422,7 +493,7 @@ describe("restart sentinel", () => {
 
       await finalizeUpdateRestartSentinelRunningVersion("actual-version");
 
-      await expect(readRestartSentinel()).resolves.toEqual({
+      await expect(readRestartSentinel()).resolves.toMatchObject({
         version: 1,
         payload: {
           kind: "update",
@@ -453,7 +524,7 @@ describe("restart sentinel", () => {
       await expect(
         finalizeUpdateRestartSentinelRunningVersion("actual-version"),
       ).resolves.toBeNull();
-      await expect(readRestartSentinel()).resolves.toEqual({
+      await expect(readRestartSentinel()).resolves.toMatchObject({
         version: 1,
         payload: {
           kind: "update",
@@ -481,7 +552,7 @@ describe("restart sentinel", () => {
 
       await markUpdateRestartSentinelFailure("restart-unhealthy");
 
-      await expect(readRestartSentinel()).resolves.toEqual({
+      await expect(readRestartSentinel()).resolves.toMatchObject({
         version: 1,
         payload: {
           kind: "update",
@@ -497,18 +568,16 @@ describe("restart sentinel", () => {
 });
 
 describe("restart sentinel error visibility", () => {
-  it("logs a warning when clearRestartSentinel DB write fails", async () => {
-    mockThrowWrite.mockImplementationOnce(() => {
-      throw new Error("SQLITE_IOERR: disk I/O error");
-    });
-
+  it("throws when clearRestartSentinel cannot durably delete the row", async () => {
     await withRestartSentinelStateDir(async () => {
-      await expect(clearRestartSentinel()).resolves.toBeUndefined();
+      const written = await writeRestartSentinel({ kind: "restart", status: "ok", ts: 1 });
+      mockThrowWrite.mockImplementationOnce(() => {
+        throw new Error("SQLITE_IOERR: disk I/O error");
+      });
 
-      expect(mockWarn).toHaveBeenCalledTimes(1);
-      expect(mockWarn).toHaveBeenCalledWith(
-        "Failed to clear restart sentinel: SQLITE_IOERR: disk I/O error",
-      );
+      await expect(clearRestartSentinel()).rejects.toThrow("SQLITE_IOERR: disk I/O error");
+      expect(mockWarn).not.toHaveBeenCalled();
+      await expect(readRestartSentinel()).resolves.toEqual(written);
     });
   });
 
@@ -541,20 +610,6 @@ describe("restart sentinel error visibility", () => {
       );
     });
   });
-
-  it("logs a warning when the legacy sentinel path cannot be removed", async () => {
-    await withRestartSentinelStateDir(async () => {
-      const legacyPath = path.join(process.env.OPENCLAW_STATE_DIR ?? "", "restart-sentinel.json");
-      await fs.mkdir(legacyPath);
-
-      await expect(clearRestartSentinel()).resolves.toBeUndefined();
-
-      expect(mockWarn).toHaveBeenCalledTimes(1);
-      expect(mockWarn).toHaveBeenCalledWith(
-        expect.stringMatching(/^Failed to remove legacy restart sentinel: .+/),
-      );
-    });
-  });
 });
 
 describe("restart success continuation", () => {
diff --git a/src/infra/restart-sentinel.ts b/src/infra/restart-sentinel.ts
index 5cf0c20a0b87..4dec8810ab37 100644
--- a/src/infra/restart-sentinel.ts
+++ b/src/infra/restart-sentinel.ts
@@ -1,12 +1,8 @@
 // Persists restart sentinel state that coordinates deferred restarts.
-import { readFile, rm } from "node:fs/promises";
-import path from "node:path";
 import { isRecord as isPlainRecord } from "@openclaw/normalization-core/record-coerce";
 import { sliceUtf16Safe } from "@openclaw/normalization-core/utf16-slice";
 import { formatCliCommand } from "../cli/command-format.js";
-import { resolveStateDir } from "../config/paths.js";
 import { createSubsystemLogger } from "../logging/subsystem.js";
-import type { DB as OpenClawStateKyselyDatabase } from "../state/openclaw-state-db.generated.js";
 import {
   openOpenClawStateDatabase,
   runOpenClawStateWriteTransaction,
@@ -14,77 +10,22 @@ import {
 import { resolveRuntimeServiceVersion } from "../version.js";
 import { formatErrorMessage } from "./errors.js";
 import {
-  executeSqliteQuerySync,
-  executeSqliteQueryTakeFirstSync,
-  getNodeSqliteKysely,
-} from "./kysely-sync.js";
+  deleteRestartSentinelRowSync,
+  readRestartSentinelRowSync,
+  writeRestartSentinelRowIfRevisionSync,
+  writeRestartSentinelRowSync,
+  type RestartSentinel,
+  type RestartSentinelContinuation,
+  type RestartSentinelPayload,
+} from "./restart-sentinel-store.js";
+
+export type {
+  RestartSentinelContinuation,
+  RestartSentinelPayload,
+} from "./restart-sentinel-store.js";
 
 const sentinelLog = createSubsystemLogger("restart-sentinel");
 
-type RestartSentinelLog = {
-  stdoutTail?: string | null;
-  stderrTail?: string | null;
-  exitCode?: number | null;
-};
-
-type RestartSentinelStep = {
-  name: string;
-  command: string;
-  cwd?: string | null;
-  durationMs?: number | null;
-  log?: RestartSentinelLog | null;
-};
-
-type RestartSentinelStats = {
-  mode?: string;
-  root?: string;
-  requiresRestart?: boolean;
-  handoffId?: string;
-  before?: Record<string, unknown> | null;
-  after?: Record<string, unknown> | null;
-  steps?: RestartSentinelStep[];
-  reason?: string | null;
-  durationMs?: number | null;
-};
-
-export type RestartSentinelContinuation =
-  | {
-      kind: "systemEvent";
-      text: string;
-    }
-  | {
-      kind: "agentTurn";
-      message: string;
-    };
-
-export type RestartSentinelPayload = {
-  kind: "config-apply" | "config-auto-recovery" | "config-patch" | "update" | "restart";
-  status: "ok" | "error" | "skipped";
-  ts: number;
-  sessionKey?: string;
-  /** Delivery context captured at restart time to ensure channel routing survives restart. */
-  deliveryContext?: {
-    channel?: string;
-    to?: string;
-    accountId?: string;
-  };
-  /** Thread ID for reply threading (e.g., Slack thread_ts). */
-  threadId?: string;
-  message?: string | null;
-  continuation?: RestartSentinelContinuation | null;
-  doctorHint?: string | null;
-  stats?: RestartSentinelStats | null;
-};
-
-type RestartSentinel = {
-  version: 1;
-  payload: RestartSentinelPayload;
-};
-
-const RESTART_SENTINEL_KEY = "current";
-const LEGACY_RESTART_SENTINEL_FILENAME = "restart-sentinel.json";
-type GatewayRestartSentinelDatabase = Pick<OpenClawStateKyselyDatabase, "gateway_restart_sentinel">;
-
 export function formatDoctorNonInteractiveHint(
   env: Record<string, string | undefined> = process.env as Record<string, string | undefined>,
 ): string {
@@ -97,57 +38,12 @@ export function formatDoctorNonInteractiveHint(
 export async function writeRestartSentinel(
   payload: RestartSentinelPayload,
   env: NodeJS.ProcessEnv = process.env,
-): Promise<void> {
-  const updatedAtMs = Date.now();
-  runOpenClawStateWriteTransaction(
-    ({ db }) => {
-      const stateDb = getNodeSqliteKysely<GatewayRestartSentinelDatabase>(db);
-      executeSqliteQuerySync(
-        db,
-        stateDb
-          .insertInto("gateway_restart_sentinel")
-          .values({
-            sentinel_key: RESTART_SENTINEL_KEY,
-            version: 1,
-            kind: payload.kind,
-            status: payload.status,
-            ts: payload.ts,
-            session_key: payload.sessionKey ?? null,
-            thread_id: payload.threadId ?? null,
-            delivery_channel: payload.deliveryContext?.channel ?? null,
-            delivery_to: payload.deliveryContext?.to ?? null,
-            delivery_account_id: payload.deliveryContext?.accountId ?? null,
-            message: payload.message ?? null,
-            continuation_json: payload.continuation ? JSON.stringify(payload.continuation) : null,
-            doctor_hint: payload.doctorHint ?? null,
-            stats_json: payload.stats ? JSON.stringify(payload.stats) : null,
-            payload_json: JSON.stringify(payload),
-            updated_at_ms: updatedAtMs,
-          })
-          .onConflict((conflict) =>
-            conflict.column("sentinel_key").doUpdateSet({
-              version: (eb) => eb.ref("excluded.version"),
-              kind: (eb) => eb.ref("excluded.kind"),
-              status: (eb) => eb.ref("excluded.status"),
-              ts: (eb) => eb.ref("excluded.ts"),
-              session_key: (eb) => eb.ref("excluded.session_key"),
-              thread_id: (eb) => eb.ref("excluded.thread_id"),
-              delivery_channel: (eb) => eb.ref("excluded.delivery_channel"),
-              delivery_to: (eb) => eb.ref("excluded.delivery_to"),
-              delivery_account_id: (eb) => eb.ref("excluded.delivery_account_id"),
-              message: (eb) => eb.ref("excluded.message"),
-              continuation_json: (eb) => eb.ref("excluded.continuation_json"),
-              doctor_hint: (eb) => eb.ref("excluded.doctor_hint"),
-              stats_json: (eb) => eb.ref("excluded.stats_json"),
-              payload_json: (eb) => eb.ref("excluded.payload_json"),
-              updated_at_ms: (eb) => eb.ref("excluded.updated_at_ms"),
-            }),
-          ),
-      );
-    },
+): Promise<RestartSentinel> {
+  return runOpenClawStateWriteTransaction(
+    ({ db }) => writeRestartSentinelRowSync(db, payload),
     { env },
+    { operationLabel: "restart-sentinel.write" },
   );
-  await removeLegacyRestartSentinel(env);
 }
 
 function cloneRestartSentinelPayload(payload: RestartSentinelPayload): RestartSentinelPayload {
@@ -158,19 +54,20 @@ async function rewriteRestartSentinel(
   rewrite: (payload: RestartSentinelPayload) => RestartSentinelPayload | null,
   env: NodeJS.ProcessEnv = process.env,
 ): Promise<RestartSentinel | null> {
-  const current = await readRestartSentinel(env);
-  if (!current) {
-    return null;
-  }
-  const nextPayload = rewrite(cloneRestartSentinelPayload(current.payload));
-  if (!nextPayload) {
-    return null;
-  }
-  await writeRestartSentinel(nextPayload, env);
-  return {
-    version: 1,
-    payload: nextPayload,
-  };
+  return runOpenClawStateWriteTransaction(
+    ({ db }) => {
+      const current = readRestartSentinelRowSync(db);
+      if (current.kind !== "valid") {
+        return null;
+      }
+      const nextPayload = rewrite(cloneRestartSentinelPayload(current.sentinel.payload));
+      return nextPayload
+        ? writeRestartSentinelRowIfRevisionSync(db, nextPayload, current.sentinel.revision)
+        : null;
+    },
+    { env },
+    { operationLabel: "restart-sentinel.rewrite-current" },
+  );
 }
 
 export async function finalizeUpdateRestartSentinelRunningVersion(
@@ -215,60 +112,23 @@ export async function markUpdateRestartSentinelFailure(
   }, env);
 }
 
-export async function clearRestartSentinel(env: NodeJS.ProcessEnv = process.env): Promise<void> {
-  try {
-    runOpenClawStateWriteTransaction(
-      ({ db }) => {
-        const stateDb = getNodeSqliteKysely<GatewayRestartSentinelDatabase>(db);
-        executeSqliteQuerySync(
-          db,
-          stateDb
-            .deleteFrom("gateway_restart_sentinel")
-            .where("sentinel_key", "=", RESTART_SENTINEL_KEY),
-        );
-      },
-      { env },
-    );
-  } catch (err) {
-    // Clearing the sentinel is best-effort during shutdown/cleanup, but a
-    // failure here may leave the gateway believing a restart is still pending.
-    sentinelLog.warn(`Failed to clear restart sentinel: ${formatErrorMessage(err)}`);
-  }
-  await removeLegacyRestartSentinel(env);
+export async function clearRestartSentinel(env: NodeJS.ProcessEnv = process.env): Promise<boolean> {
+  return runOpenClawStateWriteTransaction(
+    ({ db }) => deleteRestartSentinelRowSync(db),
+    { env },
+    { operationLabel: "restart-sentinel.clear" },
+  );
 }
 
-function resolveLegacyRestartSentinelPath(env: NodeJS.ProcessEnv): string {
-  return path.join(resolveStateDir(env), LEGACY_RESTART_SENTINEL_FILENAME);
-}
-
-async function removeLegacyRestartSentinel(env: NodeJS.ProcessEnv): Promise<void> {
-  try {
-    await rm(resolveLegacyRestartSentinelPath(env), { force: true });
-  } catch (err) {
-    // Legacy cleanup must not block the canonical SQLite operation, but a
-    // failed removal can replay stale restart state after the database clears.
-    sentinelLog.warn(`Failed to remove legacy restart sentinel: ${formatErrorMessage(err)}`);
-  }
-}
-
-async function importLegacyRestartSentinel(
+export async function clearRestartSentinelIfRevision(
+  expectedRevision: number,
   env: NodeJS.ProcessEnv = process.env,
-): Promise<RestartSentinel | null> {
-  const legacyPath = resolveLegacyRestartSentinelPath(env);
-  let parsed: unknown;
-  try {
-    parsed = JSON.parse(await readFile(legacyPath, "utf-8")) as unknown;
-  } catch {
-    return null;
-  }
-  if (!isPlainRecord(parsed) || parsed.version !== 1 || !isPlainRecord(parsed.payload)) {
-    await removeLegacyRestartSentinel(env);
-    return null;
-  }
-  const payload = parsed.payload as RestartSentinelPayload;
-  await writeRestartSentinel(payload, env);
-  await removeLegacyRestartSentinel(env);
-  return { version: 1, payload };
+): Promise<boolean> {
+  return runOpenClawStateWriteTransaction(
+    ({ db }) => deleteRestartSentinelRowSync(db, expectedRevision),
+    { env },
+    { operationLabel: "restart-sentinel.clear-if-revision" },
+  );
 }
 
 export function buildRestartSuccessContinuation(params: {
@@ -287,29 +147,12 @@ export async function readRestartSentinel(
 ): Promise<RestartSentinel | null> {
   try {
     const database = openOpenClawStateDatabase({ env });
-    const stateDb = getNodeSqliteKysely<GatewayRestartSentinelDatabase>(database.db);
-    const row = executeSqliteQueryTakeFirstSync(
-      database.db,
-      stateDb
-        .selectFrom("gateway_restart_sentinel")
-        .select(["version", "payload_json"])
-        .where("sentinel_key", "=", RESTART_SENTINEL_KEY),
-    );
-    if (!row) {
-      return await importLegacyRestartSentinel(env);
-    }
-    let payload: RestartSentinelPayload | undefined;
-    try {
-      payload = JSON.parse(row.payload_json) as RestartSentinelPayload | undefined;
-    } catch {
-      await clearRestartSentinel(env);
+    const current = readRestartSentinelRowSync(database.db);
+    if (current.kind === "invalid") {
+      sentinelLog.warn("Ignoring invalid typed restart sentinel row");
       return null;
     }
-    if (row.version !== 1 || !payload) {
-      await clearRestartSentinel(env);
-      return null;
-    }
-    return { version: 1, payload };
+    return current.kind === "valid" ? current.sentinel : null;
   } catch (err) {
     sentinelLog.warn(`Failed to read restart sentinel: ${formatErrorMessage(err)}`);
     return null;
@@ -319,18 +162,12 @@ export async function readRestartSentinel(
 export async function hasRestartSentinel(env: NodeJS.ProcessEnv = process.env): Promise<boolean> {
   try {
     const database = openOpenClawStateDatabase({ env });
-    const stateDb = getNodeSqliteKysely<GatewayRestartSentinelDatabase>(database.db);
-    const row = executeSqliteQueryTakeFirstSync(
-      database.db,
-      stateDb
-        .selectFrom("gateway_restart_sentinel")
-        .select("sentinel_key")
-        .where("sentinel_key", "=", RESTART_SENTINEL_KEY),
-    );
-    if (row) {
-      return true;
+    const current = readRestartSentinelRowSync(database.db);
+    if (current.kind === "invalid") {
+      sentinelLog.warn("Ignoring invalid typed restart sentinel row");
+      return false;
     }
-    return Boolean(await importLegacyRestartSentinel(env));
+    return current.kind === "valid";
   } catch (err) {
     sentinelLog.warn(`Failed to check restart sentinel: ${formatErrorMessage(err)}`);
     return false;
diff --git a/src/infra/session-delivery-queue-storage.ts b/src/infra/session-delivery-queue-storage.ts
index b1f9df560f8f..9f1e1500ad58 100644
--- a/src/infra/session-delivery-queue-storage.ts
+++ b/src/infra/session-delivery-queue-storage.ts
@@ -11,6 +11,7 @@ import {
   moveDeliveryQueueEntryToFailed,
   updateDeliveryQueueEntry,
   upsertDeliveryQueueEntry,
+  type DeliveryQueueCompletionRetention,
   type DeliveryQueueRowMetadata,
 } from "./delivery-queue-sqlite.js";
 import { generateSecureUuid } from "./secure-random.js";
@@ -28,6 +29,8 @@ type SessionDeliveryContext = {
 
 type SessionDeliveryRetryPolicy = {
   maxRetries?: number;
+  /** Retain terminal ownership when the durable producer can replay forever. */
+  completionRetention?: DeliveryQueueCompletionRetention;
 };
 
 export type SessionDeliveryRoute = {
@@ -139,7 +142,9 @@ export async function enqueueSessionDelivery(
     entry,
     metadata: queuedSessionDeliveryMetadata(entry),
     stateDir,
-    reviveFailedOrCorruptPending: Boolean(params.idempotencyKey),
+    ...(params.completionRetention === "permanent"
+      ? { insertOnly: true }
+      : { reviveFailedOrCorruptPending: Boolean(params.idempotencyKey) }),
   });
   return id;
 }
diff --git a/src/infra/session-delivery-queue.storage.test.ts b/src/infra/session-delivery-queue.storage.test.ts
index c0fa8fc56608..16404a8316a0 100644
--- a/src/infra/session-delivery-queue.storage.test.ts
+++ b/src/infra/session-delivery-queue.storage.test.ts
@@ -129,6 +129,24 @@ describe("session-delivery queue storage", () => {
     });
   });
 
+  it("never revives a failed permanent producer intent", async () => {
+    await withTempDir({ prefix: "openclaw-session-delivery-" }, async (tempDir) => {
+      const payload = {
+        kind: "systemEvent" as const,
+        sessionKey: "agent:main:main",
+        text: "restart complete",
+        idempotencyKey: "restart:permanent-failed",
+        completionRetention: "permanent" as const,
+      };
+      const id = await enqueueSessionDelivery(payload, tempDir);
+      await moveSessionDeliveryToFailed(id, tempDir);
+
+      expect(await enqueueSessionDelivery(payload, tempDir)).toBe(id);
+      expect(readSessionQueueStatus(tempDir, id)).toBe("failed");
+      expect(await loadPendingSessionDeliveries(tempDir)).toEqual([]);
+    });
+  });
+
   it("reports a completed conflict after acknowledgement", async () => {
     await withTempDir({ prefix: "openclaw-session-delivery-" }, async (tempDir) => {
       const payload = {
@@ -355,4 +373,22 @@ describe("session-delivery queue storage", () => {
       expect(readSessionQueueStatus(tempDir, id)).toBe("completed");
     });
   });
+
+  it("retains a permanent completion receipt", async () => {
+    await withTempDir({ prefix: "openclaw-session-delivery-" }, async (tempDir) => {
+      const payload = {
+        kind: "systemEvent" as const,
+        sessionKey: "agent:main:main",
+        text: "restart complete",
+        idempotencyKey: "restart:permanent-completed",
+        completionRetention: "permanent" as const,
+      };
+      const id = await enqueueSessionDelivery(payload, tempDir);
+      await settleSessionDelivery(id, tempDir);
+
+      expect(await enqueueSessionDelivery(payload, tempDir)).toBe(id);
+      expect(readSessionQueueStatus(tempDir, id)).toBe("completed");
+      expect(await loadPendingSessionDeliveries(tempDir)).toEqual([]);
+    });
+  });
 });
diff --git a/src/infra/state-migrations.doctor.ts b/src/infra/state-migrations.doctor.ts
index 9904cc59876a..09abc1fb911a 100644
--- a/src/infra/state-migrations.doctor.ts
+++ b/src/infra/state-migrations.doctor.ts
@@ -79,6 +79,10 @@ import {
   detectLegacyRescuePending,
   discardLegacyRescuePending,
 } from "./state-migrations.rescue-pending.js";
+import {
+  detectLegacyRestartSentinel,
+  migrateLegacyRestartSentinel,
+} from "./state-migrations.restart-sentinel.js";
 import {
   migrateLegacyConfigHealth,
   migrateLegacyCurrentConversationBindings,
@@ -416,6 +420,7 @@ export async function detectLegacyStateMigrations(params: {
     stateDir,
     doctorOnlyStateMigrations: params.doctorOnlyStateMigrations,
   });
+  const restartSentinel = detectLegacyRestartSentinel({ stateDir });
   const workspace = detectLegacyWorkspaceState({
     cfg: params.cfg,
     stateDir,
@@ -598,6 +603,9 @@ export async function detectLegacyStateMigrations(params: {
   if (mcpOauth.hasLegacy) {
     preview.push("- MCP OAuth credentials: legacy JSON → shared SQLite state");
   }
+  if (restartSentinel.hasLegacy) {
+    preview.push("- Restart sentinel: legacy JSON → shared SQLite state");
+  }
   if (workspace.hasLegacy) {
     preview.push("- Workspace setup and attestations: legacy files → shared SQLite state");
   }
@@ -701,6 +709,7 @@ export async function detectLegacyStateMigrations(params: {
     managedOutgoingImages,
     apns,
     mcpOauth,
+    restartSentinel,
     workspace,
     webPush,
     nodeHost,
@@ -909,6 +918,11 @@ export async function runLegacyStateMigrations(params: {
     env,
     stateDir: detected.stateDir,
   });
+  const restartSentinel = await migrateLegacyRestartSentinel({
+    detected: detected.restartSentinel,
+    env,
+    stateDir: detected.stateDir,
+  });
   const workspace = await migrateLegacyWorkspaceState({
     detected: detected.workspace,
     env,
@@ -968,6 +982,7 @@ export async function runLegacyStateMigrations(params: {
     managedOutgoingImages,
     apns,
     mcpOauth,
+    restartSentinel,
     workspace,
     webPush,
     nodeHost,
@@ -993,6 +1008,7 @@ export async function runLegacyStateMigrations(params: {
       ...managedOutgoingImages.changes,
       ...apns.changes,
       ...mcpOauth.changes,
+      ...restartSentinel.changes,
       ...workspace.changes,
       ...webPush.changes,
       ...nodeHost.changes,
@@ -1025,6 +1041,7 @@ export async function runLegacyStateMigrations(params: {
       ...managedOutgoingImages.warnings,
       ...apns.warnings,
       ...mcpOauth.warnings,
+      ...restartSentinel.warnings,
       ...workspace.warnings,
       ...webPush.warnings,
       ...nodeHost.warnings,
@@ -1187,6 +1204,11 @@ export async function autoMigrateLegacyState(params: {
       detected: detected.currentConversationBindings,
       stateDir: detected.stateDir,
     });
+    const restartSentinel = await migrateLegacyRestartSentinel({
+      detected: detected.restartSentinel,
+      env,
+      stateDir: detected.stateDir,
+    });
     const channelPairing = migrateLegacyChannelPairingState({
       detected: detected.channelPairing,
       env: { ...env, OPENCLAW_STATE_DIR: detected.stateDir },
@@ -1214,6 +1236,7 @@ export async function autoMigrateLegacyState(params: {
       ...configHealth.changes,
       ...pluginBindingApprovals.changes,
       ...currentConversationBindings.changes,
+      ...restartSentinel.changes,
       ...channelPairing.changes,
       ...preSessionChannelPlans.changes,
       ...pluginPlans.changes,
@@ -1234,11 +1257,19 @@ export async function autoMigrateLegacyState(params: {
       ...configHealth.warnings,
       ...pluginBindingApprovals.warnings,
       ...currentConversationBindings.warnings,
+      ...restartSentinel.warnings,
       ...channelPairing.warnings,
       ...preSessionChannelPlans.warnings,
       ...pluginPlans.warnings,
     ];
-    const noticeSources = [stateDirResult, detected, pluginInstallIndex, updateCheck, pluginPlans];
+    const noticeSources = [
+      stateDirResult,
+      detected,
+      pluginInstallIndex,
+      updateCheck,
+      restartSentinel,
+      pluginPlans,
+    ];
     const notices = mergeNotices(noticeSources);
     logMigrationResults(changes, warnings, notices);
     return {
@@ -1257,6 +1288,7 @@ export async function autoMigrateLegacyState(params: {
         configHealth.changes.length > 0 ||
         pluginBindingApprovals.changes.length > 0 ||
         currentConversationBindings.changes.length > 0 ||
+        restartSentinel.changes.length > 0 ||
         channelPairing.changes.length > 0 ||
         preSessionChannelPlans.changes.length > 0 ||
         pluginPlans.changes.length > 0,
@@ -1282,6 +1314,7 @@ export async function autoMigrateLegacyState(params: {
     !detected.configHealth.hasLegacy &&
     !detected.pluginBindingApprovals.hasLegacy &&
     !detected.currentConversationBindings.hasLegacy &&
+    !detected.restartSentinel?.hasLegacy &&
     !detected.workspace.hasLegacy &&
     !detected.channelPairing.hasLegacy
   ) {
@@ -1350,6 +1383,11 @@ export async function autoMigrateLegacyState(params: {
     detected: detected.currentConversationBindings,
     stateDir: detected.stateDir,
   });
+  const restartSentinel = await migrateLegacyRestartSentinel({
+    detected: detected.restartSentinel,
+    env,
+    stateDir: detected.stateDir,
+  });
   const channelPairing = migrateLegacyChannelPairingState({
     detected: detected.channelPairing,
     env: { ...env, OPENCLAW_STATE_DIR: detected.stateDir },
@@ -1390,6 +1428,7 @@ export async function autoMigrateLegacyState(params: {
     ...configHealth.changes,
     ...pluginBindingApprovals.changes,
     ...currentConversationBindings.changes,
+    ...restartSentinel.changes,
     ...channelPairing.changes,
     ...preSessionChannelPlans.changes,
     ...pluginPlans.changes,
@@ -1414,6 +1453,7 @@ export async function autoMigrateLegacyState(params: {
     ...configHealth.warnings,
     ...pluginBindingApprovals.warnings,
     ...currentConversationBindings.warnings,
+    ...restartSentinel.warnings,
     ...channelPairing.warnings,
     ...preSessionChannelPlans.warnings,
     ...pluginPlans.warnings,
@@ -1422,7 +1462,14 @@ export async function autoMigrateLegacyState(params: {
     ...agentDir.warnings,
     ...channelPlans.warnings,
   ];
-  const noticeSources = [stateDirResult, detected, pluginInstallIndex, updateCheck, pluginPlans];
+  const noticeSources = [
+    stateDirResult,
+    detected,
+    pluginInstallIndex,
+    updateCheck,
+    restartSentinel,
+    pluginPlans,
+  ];
   const notices = mergeNotices(noticeSources);
 
   logMigrationResults(changes, warnings, notices);
diff --git a/src/infra/state-migrations.restart-sentinel.test.ts b/src/infra/state-migrations.restart-sentinel.test.ts
new file mode 100644
index 000000000000..aa88a37bdff1
--- /dev/null
+++ b/src/infra/state-migrations.restart-sentinel.test.ts
@@ -0,0 +1,365 @@
+// Covers safe startup/Doctor import of the retired restart-sentinel JSON file.
+import fs from "node:fs";
+import fsp from "node:fs/promises";
+import path from "node:path";
+import { afterEach, describe, expect, it } from "vitest";
+import { useAutoCleanupTempDirTracker } from "../../test/helpers/temp-dir.js";
+import type { DB as OpenClawStateKyselyDatabase } from "../state/openclaw-state-db.generated.js";
+import {
+  closeOpenClawStateDatabaseForTest,
+  openOpenClawStateDatabase,
+} from "../state/openclaw-state-db.js";
+import { acquireGatewayLock } from "./gateway-lock.js";
+import {
+  executeSqliteQuerySync,
+  executeSqliteQueryTakeFirstSync,
+  getNodeSqliteKysely,
+} from "./kysely-sync.js";
+import {
+  clearRestartSentinel,
+  readRestartSentinel,
+  writeRestartSentinel,
+  type RestartSentinelPayload,
+} from "./restart-sentinel.js";
+import {
+  detectLegacyRestartSentinel,
+  migrateLegacyRestartSentinel,
+} from "./state-migrations.restart-sentinel.js";
+
+type MigrationDatabase = Pick<
+  OpenClawStateKyselyDatabase,
+  "gateway_restart_sentinel" | "migration_sources"
+>;
+
+describe("legacy restart sentinel migration", () => {
+  const tempDirs = useAutoCleanupTempDirTracker((cleanup) => {
+    afterEach(() => {
+      closeOpenClawStateDatabaseForTest();
+      cleanup();
+    });
+  });
+
+  function useStateDir(): { env: NodeJS.ProcessEnv; stateDir: string } {
+    const stateDir = tempDirs.make("openclaw-restart-sentinel-migration-");
+    return { env: { ...process.env, OPENCLAW_STATE_DIR: stateDir }, stateDir };
+  }
+
+  function payload(ts = 123): RestartSentinelPayload {
+    return {
+      kind: "update",
+      status: "ok",
+      ts,
+      sessionKey: "agent:main:main",
+      deliveryContext: { channel: "test", to: "target", accountId: "default" },
+      threadId: "thread-1",
+      message: "Update completed",
+      continuation: { kind: "agentTurn", message: "Continue after restart" },
+      doctorHint: "Run Doctor",
+      stats: {
+        mode: "managed",
+        handoffId: "handoff-1",
+        requiresRestart: true,
+        before: { version: "old" },
+        after: { version: "new" },
+        steps: [
+          {
+            name: "install",
+            command: "package-manager update",
+            durationMs: 10,
+            log: { stdoutTail: "done", stderrTail: null, exitCode: 0 },
+          },
+        ],
+      },
+    };
+  }
+
+  async function writeLegacy(stateDir: string, value: unknown): Promise<string> {
+    const sourcePath = path.join(stateDir, "restart-sentinel.json");
+    await fsp.writeFile(sourcePath, `${JSON.stringify(value)}\n`, "utf8");
+    return sourcePath;
+  }
+
+  async function migrate(params: {
+    env: NodeJS.ProcessEnv;
+    stateDir: string;
+    beforeVerify?: () => void;
+    removeSource?: (sourcePath: string) => Promise<void> | void;
+  }) {
+    return await migrateLegacyRestartSentinel({
+      detected: detectLegacyRestartSentinel({ stateDir: params.stateDir }),
+      ...params,
+    });
+  }
+
+  function database(env: NodeJS.ProcessEnv) {
+    return openOpenClawStateDatabase({ env }).db;
+  }
+
+  function receipt(env: NodeJS.ProcessEnv) {
+    const db = database(env);
+    return executeSqliteQueryTakeFirstSync(
+      db,
+      getNodeSqliteKysely<MigrationDatabase>(db)
+        .selectFrom("migration_sources")
+        .selectAll()
+        .where("migration_kind", "=", "legacy-restart-sentinel-json"),
+    );
+  }
+
+  it("detects both the retired source and an interrupted fixed claim", async () => {
+    const { stateDir } = useStateDir();
+    const sourcePath = await writeLegacy(stateDir, { version: 1, payload: payload() });
+    expect(detectLegacyRestartSentinel({ stateDir }).hasLegacy).toBe(true);
+
+    await fsp.rename(sourcePath, `${sourcePath}.doctor-importing`);
+    expect(detectLegacyRestartSentinel({ stateDir }).hasLegacy).toBe(true);
+  });
+
+  it("imports and verifies the complete legacy payload before removing the source", async () => {
+    const { env, stateDir } = useStateDir();
+    const expected = payload();
+    const sourcePath = await writeLegacy(stateDir, { version: 1, payload: expected });
+
+    const result = await migrate({ env, stateDir });
+
+    expect(result.warnings).toEqual([]);
+    expect(result.changes).toEqual([
+      "Imported the legacy restart sentinel into shared SQLite state.",
+    ]);
+    await expect(readRestartSentinel(env)).resolves.toMatchObject({
+      version: 1,
+      payload: expected,
+    });
+    expect(fs.existsSync(sourcePath)).toBe(false);
+    expect(receipt(env)).toMatchObject({
+      removed_source: 1,
+      source_record_count: 1,
+      status: "completed",
+      target_table: "gateway_restart_sentinel",
+    });
+  });
+
+  it("canonicalizes legacy null fields and an empty delivery context before verification", async () => {
+    const { env, stateDir } = useStateDir();
+    const sourcePath = await writeLegacy(stateDir, {
+      version: 1,
+      payload: {
+        kind: "restart",
+        status: "ok",
+        ts: 123,
+        deliveryContext: {},
+        message: null,
+        continuation: null,
+        doctorHint: null,
+        stats: null,
+      },
+    });
+
+    const result = await migrate({ env, stateDir });
+
+    expect(result.warnings).toEqual([]);
+    expect(result.changes).toEqual([
+      "Imported the legacy restart sentinel into shared SQLite state.",
+    ]);
+    const migrated = await readRestartSentinel(env);
+    expect(migrated?.payload).toEqual({ kind: "restart", status: "ok", ts: 123 });
+    expect(fs.existsSync(sourcePath)).toBe(false);
+    expect(receipt(env)).toMatchObject({
+      removed_source: 1,
+      source_record_count: 1,
+      status: "completed",
+    });
+  });
+
+  it("preserves a valid canonical row when legacy JSON conflicts", async () => {
+    const { env, stateDir } = useStateDir();
+    const canonical = payload(999);
+    await writeRestartSentinel(canonical, env);
+    const sourcePath = await writeLegacy(stateDir, { version: 1, payload: payload(1) });
+
+    const result = await migrate({ env, stateDir });
+
+    expect(result.changes).toEqual([
+      "Preserved the canonical SQLite restart sentinel and discarded conflicting legacy JSON.",
+    ]);
+    await expect(readRestartSentinel(env)).resolves.toMatchObject({ payload: canonical });
+    expect(fs.existsSync(sourcePath)).toBe(false);
+  });
+
+  it("repairs an invalid canonical row from a validated legacy envelope", async () => {
+    const { env, stateDir } = useStateDir();
+    const db = database(env);
+    executeSqliteQuerySync(
+      db,
+      getNodeSqliteKysely<MigrationDatabase>(db).insertInto("gateway_restart_sentinel").values({
+        sentinel_key: "current",
+        version: 99,
+        kind: "update",
+        status: "ok",
+        ts: 1,
+        session_key: null,
+        thread_id: null,
+        delivery_channel: null,
+        delivery_to: null,
+        delivery_account_id: null,
+        message: null,
+        continuation_json: null,
+        doctor_hint: null,
+        stats_json: null,
+        payload_json: "{}",
+        updated_at_ms: 1,
+      }),
+    );
+    const expected = payload(456);
+    await writeLegacy(stateDir, { version: 1, payload: expected });
+
+    const result = await migrate({ env, stateDir });
+
+    expect(result.changes).toEqual([
+      "Replaced an invalid SQLite restart sentinel with validated legacy state.",
+    ]);
+    await expect(readRestartSentinel(env)).resolves.toMatchObject({ payload: expected });
+  });
+
+  it("records and removes malformed transient state without disclosing its contents", async () => {
+    const { env, stateDir } = useStateDir();
+    const sourcePath = await writeLegacy(stateDir, {
+      version: 1,
+      payload: { ...payload(), ts: "invalid", message: "secret-marker" },
+    });
+
+    const result = await migrate({ env, stateDir });
+
+    expect(result.warnings).toEqual([]);
+    expect(result.changes).toEqual([
+      "Discarded malformed retired restart sentinel JSON without importing it.",
+    ]);
+    expect(JSON.stringify(result)).not.toContain("secret-marker");
+    expect(receipt(env)?.report_json).not.toContain("secret-marker");
+    await expect(readRestartSentinel(env)).resolves.toBeNull();
+    expect(fs.existsSync(sourcePath)).toBe(false);
+  });
+
+  it("treats a completed receipt as authoritative if the retired file reappears", async () => {
+    const { env, stateDir } = useStateDir();
+    await writeLegacy(stateDir, { version: 1, payload: payload(1) });
+    await migrate({ env, stateDir });
+    await clearRestartSentinel(env);
+    const sourcePath = await writeLegacy(stateDir, { version: 1, payload: payload(2) });
+
+    const result = await migrate({ env, stateDir });
+
+    expect(result.changes).toEqual([
+      "Discarded recreated retired restart sentinel JSON using its migration receipt.",
+    ]);
+    await expect(readRestartSentinel(env)).resolves.toBeNull();
+    expect(fs.existsSync(sourcePath)).toBe(false);
+  });
+
+  it("recovers an interrupted claim and finishes the same migration owner", async () => {
+    const { env, stateDir } = useStateDir();
+    const sourcePath = await writeLegacy(stateDir, { version: 1, payload: payload() });
+    await fsp.rename(sourcePath, `${sourcePath}.doctor-importing`);
+
+    const result = await migrate({ env, stateDir });
+
+    expect(result.warnings).toEqual([]);
+    await expect(readRestartSentinel(env)).resolves.toMatchObject({ payload: payload() });
+    expect(fs.existsSync(sourcePath)).toBe(false);
+    expect(fs.existsSync(`${sourcePath}.doctor-importing`)).toBe(false);
+  });
+
+  it("preserves changed source bytes and records no receipt", async () => {
+    const { env, stateDir } = useStateDir();
+    const sourcePath = await writeLegacy(stateDir, { version: 1, payload: payload(1) });
+
+    const result = await migrate({
+      env,
+      stateDir,
+      beforeVerify: () => {
+        fs.writeFileSync(sourcePath, JSON.stringify({ version: 1, payload: payload(2) }));
+      },
+    });
+
+    expect(result.warnings).toHaveLength(1);
+    expect(result.warnings[0]).toContain("changed after migration loaded it");
+    expect(fs.existsSync(sourcePath)).toBe(true);
+    expect(receipt(env)).toBeUndefined();
+  });
+
+  it("retains a claimed source after cleanup failure and converges on retry", async () => {
+    const { env, stateDir } = useStateDir();
+    const sourcePath = await writeLegacy(stateDir, { version: 1, payload: payload() });
+    const first = await migrate({
+      env,
+      stateDir,
+      removeSource: () => {
+        throw new Error("forced cleanup failure");
+      },
+    });
+
+    expect(first.warnings).toHaveLength(1);
+    expect(fs.existsSync(`${sourcePath}.doctor-importing`)).toBe(true);
+    expect(receipt(env)).toMatchObject({ removed_source: 0 });
+
+    const second = await migrate({ env, stateDir });
+    expect(second.warnings).toEqual([]);
+    expect(second.changes).toEqual([
+      "Discarded recreated retired restart sentinel JSON using its migration receipt.",
+    ]);
+    expect(fs.existsSync(sourcePath)).toBe(false);
+    expect(fs.existsSync(`${sourcePath}.doctor-importing`)).toBe(false);
+    expect(receipt(env)).toMatchObject({ removed_source: 1 });
+  });
+
+  it("requires exclusive state ownership before claiming the retired file", async () => {
+    const { env, stateDir } = useStateDir();
+    const sourcePath = await writeLegacy(stateDir, { version: 1, payload: payload() });
+    const gatewayLock = await acquireGatewayLock({
+      allowInTests: true,
+      env,
+      pollIntervalMs: 10,
+      port: 18_791,
+      timeoutMs: 100,
+    });
+    if (!gatewayLock) {
+      throw new Error("expected test Gateway lock");
+    }
+    let result: Awaited<ReturnType<typeof migrateLegacyRestartSentinel>>;
+    try {
+      result = await migrate({ env, stateDir });
+    } finally {
+      await gatewayLock.release();
+    }
+
+    expect(result.warnings[0]).toContain("Gateway or another SQLite maintenance command");
+    expect(fs.existsSync(sourcePath)).toBe(true);
+    expect(receipt(env)).toBeUndefined();
+  });
+
+  it("rejects symlinks, hardlinks, and oversized sources without deleting them", async () => {
+    const cases = ["symlink", "hardlink", "oversized"] as const;
+    for (const sourceKind of cases) {
+      closeOpenClawStateDatabaseForTest();
+      const { env, stateDir } = useStateDir();
+      const sourcePath = path.join(stateDir, "restart-sentinel.json");
+      if (sourceKind === "oversized") {
+        await fsp.writeFile(sourcePath, Buffer.alloc(4 * 1024 * 1024 + 1));
+      } else {
+        const targetPath = path.join(stateDir, `${sourceKind}-target.json`);
+        await fsp.writeFile(targetPath, JSON.stringify({ version: 1, payload: payload() }));
+        if (sourceKind === "symlink") {
+          await fsp.symlink(targetPath, sourcePath);
+        } else {
+          await fsp.link(targetPath, sourcePath);
+        }
+      }
+
+      const result = await migrate({ env, stateDir });
+
+      expect(result.warnings).toHaveLength(1);
+      expect(fs.existsSync(sourcePath)).toBe(true);
+      expect(receipt(env)).toBeUndefined();
+    }
+  });
+});
diff --git a/src/infra/state-migrations.restart-sentinel.ts b/src/infra/state-migrations.restart-sentinel.ts
new file mode 100644
index 000000000000..1091e28b48b1
--- /dev/null
+++ b/src/infra/state-migrations.restart-sentinel.ts
@@ -0,0 +1,536 @@
+// Startup/Doctor migration for the retired restart-sentinel JSON file.
+import { createHash } from "node:crypto";
+import fs from "node:fs";
+import path from "node:path";
+import { isDeepStrictEqual } from "node:util";
+import { root, type Root } from "@openclaw/fs-safe";
+import type { DB as OpenClawStateKyselyDatabase } from "../state/openclaw-state-db.generated.js";
+import {
+  openOpenClawStateDatabase,
+  runOpenClawStateWriteTransaction,
+} from "../state/openclaw-state-db.js";
+import { formatErrorMessage } from "./errors.js";
+import { acquireGatewayLock, GatewayLockError } from "./gateway-lock.js";
+import {
+  executeSqliteQuerySync,
+  executeSqliteQueryTakeFirstSync,
+  getNodeSqliteKysely,
+} from "./kysely-sync.js";
+import {
+  parseRestartSentinelEnvelope,
+  readRestartSentinelRowSync,
+  writeRestartSentinelRowSync,
+  type RestartSentinelEnvelope,
+} from "./restart-sentinel-store.js";
+import type { LegacyRestartSentinelDetection } from "./state-migrations.restart-sentinel.types.js";
+import type { MigrationMessages } from "./state-migrations.types.js";
+
+const LEGACY_RESTART_SENTINEL_FILENAME = "restart-sentinel.json";
+const DOCTOR_CLAIM_SUFFIX = ".doctor-importing";
+const MAX_LEGACY_RESTART_SENTINEL_BYTES = 4 * 1024 * 1024;
+const MIGRATION_KIND = "legacy-restart-sentinel-json";
+const MIGRATION_LOCK_TIMEOUT_MS = 250;
+const MIGRATION_LOCK_POLL_INTERVAL_MS = 25;
+const utf8Decoder = new TextDecoder("utf-8", { fatal: true });
+
+type RestartSentinelMigrationDatabase = Pick<
+  OpenClawStateKyselyDatabase,
+  "gateway_restart_sentinel" | "migration_runs" | "migration_sources"
+>;
+
+type LegacySourceSnapshot = {
+  buffer: Buffer;
+  dev: number;
+  ino: number;
+  mtimeMs: number;
+  sha256: string;
+  size: number;
+};
+
+type MigrationDecision =
+  | "canonical-preserved"
+  | "invalid-canonical-repaired"
+  | "legacy-imported"
+  | "malformed-legacy-discarded"
+  | "receipt-authoritative";
+
+function legacyPathMayExist(filePath: string): boolean {
+  try {
+    fs.lstatSync(filePath);
+    return true;
+  } catch (error) {
+    return (error as NodeJS.ErrnoException).code !== "ENOENT";
+  }
+}
+
+/** Detect the exact retired file for startup preflight and explicit Doctor alike. */
+export function detectLegacyRestartSentinel(params: {
+  stateDir: string;
+}): LegacyRestartSentinelDetection {
+  const sourcePath = path.join(params.stateDir, LEGACY_RESTART_SENTINEL_FILENAME);
+  return {
+    sourcePath,
+    hasLegacy:
+      legacyPathMayExist(sourcePath) || legacyPathMayExist(`${sourcePath}${DOCTOR_CLAIM_SUFFIX}`),
+  };
+}
+
+function relativeLegacyPath(stateDir: string, filePath: string): string {
+  const relativePath = path.relative(path.resolve(stateDir), path.resolve(filePath));
+  if (
+    !relativePath ||
+    relativePath === ".." ||
+    relativePath.startsWith(`..${path.sep}`) ||
+    path.isAbsolute(relativePath)
+  ) {
+    throw new Error("legacy restart sentinel path is outside the state directory");
+  }
+  return relativePath;
+}
+
+async function readLegacySourceSnapshot(
+  stateRoot: Root,
+  stateDir: string,
+  sourcePath: string,
+): Promise<LegacySourceSnapshot> {
+  const opened = await stateRoot.read(relativeLegacyPath(stateDir, sourcePath), {
+    hardlinks: "reject",
+    maxBytes: MAX_LEGACY_RESTART_SENTINEL_BYTES,
+    symlinks: "reject",
+  });
+  if (!opened.stat.isFile() || opened.stat.size !== opened.buffer.byteLength) {
+    throw new Error("legacy restart sentinel is not a stable regular file");
+  }
+  return {
+    buffer: opened.buffer,
+    dev: opened.stat.dev,
+    ino: opened.stat.ino,
+    mtimeMs: opened.stat.mtimeMs,
+    sha256: createHash("sha256").update(opened.buffer).digest("hex"),
+    size: opened.stat.size,
+  };
+}
+
+function snapshotsMatch(left: LegacySourceSnapshot, right: LegacySourceSnapshot): boolean {
+  return (
+    left.dev === right.dev &&
+    left.ino === right.ino &&
+    left.mtimeMs === right.mtimeMs &&
+    left.sha256 === right.sha256 &&
+    left.size === right.size
+  );
+}
+
+function parseLegacyEnvelope(snapshot: LegacySourceSnapshot): RestartSentinelEnvelope | null {
+  try {
+    return parseRestartSentinelEnvelope(JSON.parse(utf8Decoder.decode(snapshot.buffer)));
+  } catch {
+    return null;
+  }
+}
+
+function receiptSourceKey(sourcePath: string): string {
+  return `restart-sentinel-json:${createHash("sha256").update(path.resolve(sourcePath)).digest("hex")}`;
+}
+
+function hasMigrationReceipt(sourcePath: string, env: NodeJS.ProcessEnv): boolean {
+  const { db } = openOpenClawStateDatabase({ env });
+  return Boolean(
+    executeSqliteQueryTakeFirstSync(
+      db,
+      getNodeSqliteKysely<RestartSentinelMigrationDatabase>(db)
+        .selectFrom("migration_sources")
+        .select("source_key")
+        .where("source_key", "=", receiptSourceKey(sourcePath)),
+    ),
+  );
+}
+
+function decideAndRecordMigration(params: {
+  env: NodeJS.ProcessEnv;
+  sourcePath: string;
+  snapshot: LegacySourceSnapshot;
+  envelope: RestartSentinelEnvelope | null;
+}): { decision: MigrationDecision; sourceKey: string } {
+  const sourceKey = receiptSourceKey(params.sourcePath);
+  const runId = `${sourceKey}:${params.snapshot.sha256.slice(0, 16)}`;
+  const now = Date.now();
+  return runOpenClawStateWriteTransaction(
+    ({ db }) => {
+      const stateDb = getNodeSqliteKysely<RestartSentinelMigrationDatabase>(db);
+      const receipt = executeSqliteQueryTakeFirstSync(
+        db,
+        stateDb
+          .selectFrom("migration_sources")
+          .select("source_key")
+          .where("source_key", "=", sourceKey),
+      );
+      const before = readRestartSentinelRowSync(db);
+      let decision: MigrationDecision;
+      if (receipt) {
+        decision = "receipt-authoritative";
+      } else if (!params.envelope) {
+        decision = "malformed-legacy-discarded";
+      } else if (before.kind === "valid") {
+        decision = "canonical-preserved";
+      } else {
+        const written = writeRestartSentinelRowSync(db, params.envelope.payload);
+        const verified = readRestartSentinelRowSync(db);
+        if (
+          verified.kind !== "valid" ||
+          verified.sentinel.revision !== written.revision ||
+          !isDeepStrictEqual(verified.sentinel.payload, params.envelope.payload)
+        ) {
+          throw new Error("SQLite verification failed for the restart sentinel migration");
+        }
+        decision = before.kind === "invalid" ? "invalid-canonical-repaired" : "legacy-imported";
+      }
+
+      const reportJson = JSON.stringify({
+        source: MIGRATION_KIND,
+        target: "gateway_restart_sentinel",
+        decision,
+        sourceSha256: params.snapshot.sha256,
+        sourceValid: params.envelope !== null,
+        importedRecordCount:
+          decision === "legacy-imported" || decision === "invalid-canonical-repaired" ? 1 : 0,
+        preservedSqliteRecordCount: decision === "canonical-preserved" ? 1 : 0,
+      });
+      executeSqliteQuerySync(
+        db,
+        stateDb
+          .insertInto("migration_runs")
+          .values({
+            id: runId,
+            started_at: now,
+            finished_at: now,
+            status: "completed",
+            report_json: reportJson,
+          })
+          .onConflict((conflict) =>
+            conflict.column("id").doUpdateSet({
+              finished_at: now,
+              status: "completed",
+              report_json: reportJson,
+            }),
+          ),
+      );
+      executeSqliteQuerySync(
+        db,
+        stateDb
+          .insertInto("migration_sources")
+          .values({
+            source_key: sourceKey,
+            migration_kind: MIGRATION_KIND,
+            source_path: params.sourcePath,
+            target_table: "gateway_restart_sentinel",
+            source_sha256: params.snapshot.sha256,
+            source_size_bytes: params.snapshot.size,
+            source_record_count: params.envelope ? 1 : 0,
+            last_run_id: runId,
+            status: "completed",
+            imported_at: now,
+            removed_source: 0,
+            report_json: reportJson,
+          })
+          .onConflict((conflict) =>
+            conflict.column("source_key").doUpdateSet({
+              source_sha256: params.snapshot.sha256,
+              source_size_bytes: params.snapshot.size,
+              source_record_count: params.envelope ? 1 : 0,
+              last_run_id: runId,
+              status: "completed",
+              imported_at: now,
+              removed_source: 0,
+              report_json: reportJson,
+            }),
+          ),
+      );
+      return { decision, sourceKey };
+    },
+    { env: params.env },
+  );
+}
+
+function markSourceRemoved(sourceKey: string, env: NodeJS.ProcessEnv): void {
+  runOpenClawStateWriteTransaction(
+    ({ db }) => {
+      executeSqliteQuerySync(
+        db,
+        getNodeSqliteKysely<RestartSentinelMigrationDatabase>(db)
+          .updateTable("migration_sources")
+          .set({ removed_source: 1 })
+          .where("source_key", "=", sourceKey),
+      );
+    },
+    { env },
+  );
+}
+
+async function restoreClaim(params: {
+  stateRoot: Root;
+  stateDir: string;
+  sourcePath: string;
+}): Promise<string | null> {
+  const claimPath = `${params.sourcePath}${DOCTOR_CLAIM_SUFFIX}`;
+  try {
+    if (!(await params.stateRoot.exists(relativeLegacyPath(params.stateDir, claimPath)))) {
+      return null;
+    }
+    if (await params.stateRoot.exists(relativeLegacyPath(params.stateDir, params.sourcePath))) {
+      return `source path already exists: ${params.sourcePath}`;
+    }
+    await params.stateRoot.move(
+      relativeLegacyPath(params.stateDir, claimPath),
+      relativeLegacyPath(params.stateDir, params.sourcePath),
+    );
+    return null;
+  } catch (error) {
+    return String(error);
+  }
+}
+
+async function recoverInterruptedClaim(params: {
+  stateRoot: Root;
+  stateDir: string;
+  sourcePath: string;
+  env: NodeJS.ProcessEnv;
+}): Promise<void> {
+  const claimPath = `${params.sourcePath}${DOCTOR_CLAIM_SUFFIX}`;
+  const claimRelativePath = relativeLegacyPath(params.stateDir, claimPath);
+  if (!(await params.stateRoot.exists(claimRelativePath))) {
+    return;
+  }
+  if (!(await params.stateRoot.exists(relativeLegacyPath(params.stateDir, params.sourcePath)))) {
+    await params.stateRoot.move(
+      claimRelativePath,
+      relativeLegacyPath(params.stateDir, params.sourcePath),
+    );
+    return;
+  }
+  // Both paths can only be retired safely when the claimed bytes already have
+  // an authoritative decision; otherwise preserve both for operator recovery.
+  if (!hasMigrationReceipt(params.sourcePath, params.env)) {
+    throw new Error("legacy restart sentinel source and interrupted claim both exist");
+  }
+  await readLegacySourceSnapshot(params.stateRoot, params.stateDir, claimPath);
+  await params.stateRoot.remove(claimRelativePath);
+}
+
+function decisionChange(decision: MigrationDecision): string {
+  switch (decision) {
+    case "legacy-imported":
+      return "Imported the legacy restart sentinel into shared SQLite state.";
+    case "invalid-canonical-repaired":
+      return "Replaced an invalid SQLite restart sentinel with validated legacy state.";
+    case "canonical-preserved":
+      return "Preserved the canonical SQLite restart sentinel and discarded conflicting legacy JSON.";
+    case "malformed-legacy-discarded":
+      return "Discarded malformed retired restart sentinel JSON without importing it.";
+    case "receipt-authoritative":
+      return "Discarded recreated retired restart sentinel JSON using its migration receipt.";
+  }
+  const unreachable: never = decision;
+  return unreachable;
+}
+
+async function migrateWithExclusiveStateOwnership(params: {
+  detected: LegacyRestartSentinelDetection;
+  stateRoot: Root;
+  stateDir: string;
+  env: NodeJS.ProcessEnv;
+  beforeClaim?: () => void;
+  beforeVerify?: () => void;
+  removeSource?: (sourcePath: string) => Promise<void> | void;
+}): Promise<MigrationMessages> {
+  const changes: string[] = [];
+  const warnings: string[] = [];
+  const notices: string[] = [];
+  const sourcePath = params.detected.sourcePath;
+  try {
+    await recoverInterruptedClaim({
+      stateRoot: params.stateRoot,
+      stateDir: params.stateDir,
+      sourcePath,
+      env: params.env,
+    });
+  } catch (error) {
+    return {
+      changes,
+      warnings: [`Failed recovering a legacy restart sentinel Doctor claim: ${String(error)}`],
+    };
+  }
+  if (!(await params.stateRoot.exists(relativeLegacyPath(params.stateDir, sourcePath)))) {
+    return { changes, warnings };
+  }
+
+  let snapshot: LegacySourceSnapshot;
+  try {
+    snapshot = await readLegacySourceSnapshot(params.stateRoot, params.stateDir, sourcePath);
+  } catch (error) {
+    return {
+      changes,
+      warnings: [`Failed reading the legacy restart sentinel: ${String(error)}`],
+    };
+  }
+  const envelope = parseLegacyEnvelope(snapshot);
+  const claimPath = `${sourcePath}${DOCTOR_CLAIM_SUFFIX}`;
+  try {
+    params.beforeVerify?.();
+    const current = await readLegacySourceSnapshot(params.stateRoot, params.stateDir, sourcePath);
+    if (!snapshotsMatch(current, snapshot)) {
+      throw new Error("legacy restart sentinel changed after migration loaded it");
+    }
+    params.beforeClaim?.();
+    await params.stateRoot.move(
+      relativeLegacyPath(params.stateDir, sourcePath),
+      relativeLegacyPath(params.stateDir, claimPath),
+    );
+    const claimed = await readLegacySourceSnapshot(params.stateRoot, params.stateDir, claimPath);
+    if (!snapshotsMatch(claimed, snapshot)) {
+      throw new Error("legacy restart sentinel changed before migration could claim it");
+    }
+  } catch (error) {
+    const restoreError = await restoreClaim({
+      stateRoot: params.stateRoot,
+      stateDir: params.stateDir,
+      sourcePath,
+    });
+    return {
+      changes,
+      warnings: [
+        `Failed claiming the legacy restart sentinel: ${String(error)}${restoreError ? `; restore failure: ${restoreError}` : ""}`,
+      ],
+    };
+  }
+
+  let result: ReturnType<typeof decideAndRecordMigration>;
+  try {
+    result = decideAndRecordMigration({
+      env: params.env,
+      sourcePath,
+      snapshot,
+      envelope,
+    });
+  } catch (error) {
+    const restoreError = await restoreClaim({
+      stateRoot: params.stateRoot,
+      stateDir: params.stateDir,
+      sourcePath,
+    });
+    return {
+      changes,
+      warnings: [
+        `Failed migrating the legacy restart sentinel: ${String(error)}${restoreError ? `; restore failure: ${restoreError}` : ""}`,
+      ],
+    };
+  }
+
+  try {
+    if (await params.stateRoot.exists(relativeLegacyPath(params.stateDir, sourcePath))) {
+      throw new Error("legacy restart sentinel reappeared during migration cleanup");
+    }
+    if (params.removeSource) {
+      await params.removeSource(claimPath);
+    } else {
+      await params.stateRoot.remove(relativeLegacyPath(params.stateDir, claimPath));
+    }
+    if (
+      (await params.stateRoot.exists(relativeLegacyPath(params.stateDir, sourcePath))) ||
+      (await params.stateRoot.exists(relativeLegacyPath(params.stateDir, claimPath)))
+    ) {
+      throw new Error("legacy restart sentinel remains after migration cleanup");
+    }
+  } catch (error) {
+    warnings.push(`Legacy restart sentinel cleanup failed: ${String(error)}`);
+    return { changes, warnings };
+  }
+
+  try {
+    markSourceRemoved(result.sourceKey, params.env);
+  } catch (error) {
+    warnings.push(
+      `Legacy restart sentinel was removed, but its receipt could not be finalized: ${String(error)}`,
+    );
+  }
+  changes.push(decisionChange(result.decision));
+  notices.push("Removed retired restart-sentinel.json after recording its migration decision.");
+  return { changes, warnings, notices };
+}
+
+/** Import or retire the old file under exclusive state ownership. */
+export async function migrateLegacyRestartSentinel(params: {
+  detected?: LegacyRestartSentinelDetection;
+  stateDir: string;
+  env?: NodeJS.ProcessEnv;
+  beforeClaim?: () => void;
+  beforeVerify?: () => void;
+  removeSource?: (sourcePath: string) => Promise<void> | void;
+}): Promise<MigrationMessages> {
+  const detected = params.detected;
+  if (!detected?.hasLegacy) {
+    return { changes: [], warnings: [] };
+  }
+  const env = { ...(params.env ?? process.env), OPENCLAW_STATE_DIR: params.stateDir };
+  let lock: Awaited<ReturnType<typeof acquireGatewayLock>>;
+  try {
+    lock = await acquireGatewayLock({
+      allowInTests: true,
+      env,
+      pollIntervalMs: MIGRATION_LOCK_POLL_INTERVAL_MS,
+      role: "sqlite-maintenance",
+      timeoutMs: MIGRATION_LOCK_TIMEOUT_MS,
+    });
+  } catch (error) {
+    const detail =
+      error instanceof GatewayLockError
+        ? "the Gateway or another SQLite maintenance command owns this state directory"
+        : String(error);
+    return {
+      changes: [],
+      warnings: [
+        `Failed migrating the legacy restart sentinel: ${detail}. Stop the Gateway, then run \`openclaw doctor --fix\` again.`,
+      ],
+    };
+  }
+  if (!lock) {
+    return {
+      changes: [],
+      warnings: [
+        "Failed migrating the legacy restart sentinel: exclusive state ownership unavailable.",
+      ],
+    };
+  }
+
+  let result: MigrationMessages = { changes: [], warnings: [] };
+  let releaseError: unknown;
+  try {
+    try {
+      const stateRoot = await root(params.stateDir, {
+        hardlinks: "reject",
+        maxBytes: MAX_LEGACY_RESTART_SENTINEL_BYTES,
+        symlinks: "reject",
+      });
+      result = await migrateWithExclusiveStateOwnership({
+        ...params,
+        detected,
+        env,
+        stateRoot,
+      });
+    } catch (error) {
+      result.warnings.push(`Failed reading the legacy restart sentinel: ${String(error)}`);
+    }
+  } finally {
+    try {
+      await lock.release();
+    } catch (error) {
+      releaseError = error;
+    }
+  }
+  if (releaseError) {
+    result.warnings.push(
+      `Restart sentinel migration lock release failed: ${formatErrorMessage(releaseError)}`,
+    );
+  }
+  return result;
+}
diff --git a/src/infra/state-migrations.restart-sentinel.types.ts b/src/infra/state-migrations.restart-sentinel.types.ts
new file mode 100644
index 000000000000..6dc0635d0bcc
--- /dev/null
+++ b/src/infra/state-migrations.restart-sentinel.types.ts
@@ -0,0 +1,4 @@
+export type LegacyRestartSentinelDetection = {
+  sourcePath: string;
+  hasLegacy: boolean;
+};
diff --git a/src/infra/state-migrations.test.ts b/src/infra/state-migrations.test.ts
index 0804b2b4d4b6..0ea28ea9ec3b 100644
--- a/src/infra/state-migrations.test.ts
+++ b/src/infra/state-migrations.test.ts
@@ -28,6 +28,7 @@ import {
   listWebPushSubscriptions,
   readPersistedVapidKeyPair,
 } from "./push-web-store.js";
+import { readRestartSentinel } from "./restart-sentinel.js";
 import {
   autoMigrateLegacyState,
   autoMigrateLegacyPluginDoctorState,
@@ -1729,7 +1730,7 @@ describe("state migrations", () => {
     await expect(fs.readFile(`${routingPath}.migrated`, "utf8")).resolves.toContain("robot wake");
   });
 
-  it("auto-migrates standalone legacy voice wake JSON settings", async () => {
+  it("auto-migrates standalone legacy JSON settings", async () => {
     const root = await createTempDir();
     const stateDir = path.join(root, ".openclaw");
     const env = createEnv(stateDir);
@@ -1741,14 +1742,31 @@ describe("state migrations", () => {
       JSON.stringify({ triggers: ["wake"] }),
       "utf8",
     );
+    const expectedSentinel = {
+      kind: "update" as const,
+      status: "ok" as const,
+      ts: 321,
+      message: "Update completed",
+    };
+    const restartSentinelPath = path.join(stateDir, "restart-sentinel.json");
+    await fs.writeFile(
+      restartSentinelPath,
+      `${JSON.stringify({ version: 1, payload: expectedSentinel })}\n`,
+      "utf8",
+    );
 
     const result = await autoMigrateLegacyState({ cfg, env, homedir: () => root });
 
     expect(result.skipped).toBe(false);
     expect(result.migrated).toBe(true);
     expect(result.warnings).toStrictEqual([]);
+    expect(result.changes).toContain(
+      "Imported the legacy restart sentinel into shared SQLite state.",
+    );
     await expect(loadVoiceWakeConfig(stateDir)).resolves.toMatchObject({ triggers: ["wake"] });
+    await expect(readRestartSentinel(env)).resolves.toMatchObject({ payload: expectedSentinel });
     await expectMissingPath(path.join(settingsDir, "voicewake.json"));
+    await expectMissingPath(restartSentinelPath);
   });
 
   it("runs plugin doctor migrations after repairing shared state schema", async () => {
diff --git a/src/infra/state-migrations.types.ts b/src/infra/state-migrations.types.ts
index 20c4ef1ba0b7..bbe853f514ff 100644
--- a/src/infra/state-migrations.types.ts
+++ b/src/infra/state-migrations.types.ts
@@ -3,6 +3,7 @@ import type { SessionScope } from "../config/sessions/types.js";
 import type { PluginDoctorStateMigration } from "../plugins/doctor-contract-registry.js";
 import type { LegacyChannelPairingStateDetection } from "./state-migrations.channel-pairing.js";
 import type { LegacyMcpOAuthDetection } from "./state-migrations.mcp-oauth.types.js";
+import type { LegacyRestartSentinelDetection } from "./state-migrations.restart-sentinel.types.js";
 import type { LegacyWorkspaceStateDetection } from "./state-migrations.workspace-setup.types.js";
 
 export type LegacyRescuePendingDetection = {
@@ -115,6 +116,7 @@ export type LegacyStateDetection = {
     hasLegacy: boolean;
   };
   mcpOauth: LegacyMcpOAuthDetection;
+  restartSentinel?: LegacyRestartSentinelDetection;
   workspace: LegacyWorkspaceStateDetection;
   webPush: {
     subscriptionsPath: string;
diff --git a/src/infra/update-managed-service-handoff.test.ts b/src/infra/update-managed-service-handoff.test.ts
index 360843a2365f..c7e94c9a107f 100644
--- a/src/infra/update-managed-service-handoff.test.ts
+++ b/src/infra/update-managed-service-handoff.test.ts
@@ -113,10 +113,14 @@ function writeRestartSentinelRow(env: NodeJS.ProcessEnv, sentinel: unknown): voi
     doctorHint?: unknown;
     stats?: unknown;
   };
+  const revision =
+    typeof (sentinel as { revision?: unknown }).revision === "number"
+      ? (sentinel as { revision: number }).revision
+      : Date.now();
   executeSqliteQuerySync(
     db,
     stateDb.insertInto("gateway_restart_sentinel").values({
-      sentinel_key: "current",
+      sentinel_key: record.kind === "revision-floor" ? "revision-floor" : "current",
       version: 1,
       kind: typeof record.kind === "string" ? record.kind : "update",
       status: typeof record.status === "string" ? record.status : "skipped",
@@ -136,22 +140,34 @@ function writeRestartSentinelRow(env: NodeJS.ProcessEnv, sentinel: unknown): voi
       doctor_hint: typeof record.doctorHint === "string" ? record.doctorHint : null,
       stats_json: record.stats ? JSON.stringify(record.stats) : null,
       payload_json: JSON.stringify(payload),
-      updated_at_ms: Date.now(),
+      updated_at_ms: revision,
     }),
   );
 }
 
-function readRestartSentinelPayload(env: NodeJS.ProcessEnv): unknown {
+function replaceRestartSentinelRow(env: NodeJS.ProcessEnv, sentinel: unknown): void {
+  const { db } = openOpenClawStateDatabase({ env });
+  const stateDb = getNodeSqliteKysely<GatewayRestartSentinelDatabase>(db);
+  executeSqliteQuerySync(
+    db,
+    stateDb.deleteFrom("gateway_restart_sentinel").where("sentinel_key", "=", "current"),
+  );
+  writeRestartSentinelRow(env, sentinel);
+}
+
+function readRestartSentinelPayload(env: NodeJS.ProcessEnv, key = "current"): unknown {
   const { db } = openOpenClawStateDatabase({ env });
   const stateDb = getNodeSqliteKysely<GatewayRestartSentinelDatabase>(db);
   const row = executeSqliteQueryTakeFirstSync(
     db,
     stateDb
       .selectFrom("gateway_restart_sentinel")
-      .select(["version", "payload_json"])
-      .where("sentinel_key", "=", "current"),
+      .select(["version", "payload_json", "updated_at_ms"])
+      .where("sentinel_key", "=", key),
   );
-  return row ? { version: row.version, payload: JSON.parse(row.payload_json) } : null;
+  return row
+    ? { version: row.version, payload: JSON.parse(row.payload_json), revision: row.updated_at_ms }
+    : null;
 }
 
 async function runHelperWithExistingSentinel(params: {
@@ -159,6 +175,8 @@ async function runHelperWithExistingSentinel(params: {
   metaHandoffId?: string;
   prepareStateDatabase?: (env: NodeJS.ProcessEnv) => Promise<void> | void;
   sentinel?: unknown;
+  parentExitTimeoutMs?: number;
+  whileHelperRunning?: (env: NodeJS.ProcessEnv) => Promise<void> | void;
 }) {
   const { execFile } =
     await vi.importActual<typeof import("node:child_process")>("node:child_process");
@@ -206,7 +224,7 @@ async function runHelperWithExistingSentinel(params: {
       {
         ...helperParams,
         parentPid: process.pid,
-        parentExitTimeoutMs: 1,
+        parentExitTimeoutMs: params.parentExitTimeoutMs ?? 1,
         stateDatabasePath: resolveOpenClawStateSqlitePath(env),
         logPath: path.join(tmpDir, "handoff.log"),
         sensitivePaths: [],
@@ -216,7 +234,7 @@ async function runHelperWithExistingSentinel(params: {
     )}\n`,
   );
 
-  const result = await new Promise<{ code: number | null; signal: NodeJS.Signals | null }>(
+  const resultPromise = new Promise<{ code: number | null; signal: NodeJS.Signals | null }>(
     (resolve) => {
       execFile(process.execPath, [helperScriptPath, helperParamsPath], (err) => {
         const childError = err as (NodeJS.ErrnoException & { signal?: NodeJS.Signals }) | null;
@@ -227,6 +245,8 @@ async function runHelperWithExistingSentinel(params: {
       });
     },
   );
+  await params.whileHelperRunning?.(env);
+  const result = await resultPromise;
 
   return { result, env };
 }
@@ -868,7 +888,7 @@ describe("managed service update handoff", () => {
     });
 
     expect(result).toEqual({ code: 1, signal: null });
-    expect(readRestartSentinelPayload(env)).toEqual(unrelatedSentinel);
+    expect(readRestartSentinelPayload(env)).toMatchObject(unrelatedSentinel);
   });
 
   it("does not overwrite a newer pending update handoff sentinel", async () => {
@@ -894,7 +914,74 @@ describe("managed service update handoff", () => {
     });
 
     expect(result).toEqual({ code: 1, signal: null });
-    expect(readRestartSentinelPayload(env)).toEqual(newerSentinel);
+    expect(readRestartSentinelPayload(env)).toMatchObject(newerSentinel);
+  });
+
+  it("preserves a newer sentinel written while the detached helper is active", async () => {
+    const oldSentinel = {
+      version: 1,
+      revision: 100,
+      payload: {
+        kind: "update",
+        status: "skipped",
+        ts: 100,
+        stats: {
+          handoffId: "old-handoff",
+          reason: "managed-service-handoff-started",
+        },
+      },
+    };
+    const newerSentinel = {
+      version: 1,
+      revision: 200,
+      payload: {
+        kind: "restart",
+        status: "ok",
+        ts: 200,
+      },
+    };
+    const { env } = await runHelperWithExistingSentinel({
+      handoffId: "old-handoff",
+      metaHandoffId: "old-handoff",
+      sentinel: oldSentinel,
+      parentExitTimeoutMs: 200,
+      whileHelperRunning: async (stateEnv) => {
+        await new Promise<void>((resolve) => {
+          setTimeout(resolve, 50);
+        });
+        replaceRestartSentinelRow(stateEnv, newerSentinel);
+      },
+    });
+
+    expect(readRestartSentinelPayload(env)).toMatchObject({
+      payload: newerSentinel.payload,
+      revision: 200,
+    });
+  });
+
+  it("advances the durable revision floor even when it is ahead of the clock", async () => {
+    const futureRevision = Date.now() + 60_000;
+    const { env } = await runHelperWithExistingSentinel({
+      handoffId: "handoff-future-revision",
+      metaHandoffId: "handoff-future-revision",
+      sentinel: {
+        version: 1,
+        revision: futureRevision,
+        payload: {
+          kind: "revision-floor",
+          status: "skipped",
+          ts: 123,
+          stats: {
+            handoffId: "handoff-future-revision",
+            reason: "managed-service-handoff-started",
+          },
+        },
+      },
+    });
+
+    expect(readRestartSentinelPayload(env, "revision-floor")).toMatchObject({
+      revision: futureRevision + 1,
+    });
   });
 
   it("sweeps stale handoff temp directories while keeping fresh handoff logs", async () => {
diff --git a/src/infra/update-managed-service-handoff.ts b/src/infra/update-managed-service-handoff.ts
index db7a54671651..778a0bc2662c 100644
--- a/src/infra/update-managed-service-handoff.ts
+++ b/src/infra/update-managed-service-handoff.ts
@@ -201,84 +201,140 @@ function hardenStateDatabaseFiles() {
   }
 }
 
-function readRestartSentinelPayload() {
-  const db = openStateDatabase();
-  if (!db) {
+function parseJsonColumn(value) {
+  if (typeof value !== "string" || !value) {
     return null;
   }
   try {
-    const row = db
-      .prepare("SELECT version, payload_json FROM gateway_restart_sentinel WHERE sentinel_key = ?")
-      .get("current");
-    if (!row || row.version !== 1 || typeof row.payload_json !== "string") {
-      return null;
-    }
-    return JSON.parse(row.payload_json);
+    return JSON.parse(value);
   } catch {
     return null;
-  } finally {
-    hardenStateDatabaseFiles();
-    try {
-      db.close();
-    } catch {}
   }
 }
 
-function writeRestartSentinelPayload(payload) {
-  const db = openStateDatabase();
-  if (!db) {
-    return;
+function readRestartSentinelRecord(db) {
+  const row = db
+    .prepare(
+      [
+        "SELECT version, kind, status, ts, session_key, thread_id,",
+        "delivery_channel, delivery_to, delivery_account_id, message, continuation_json,",
+        "doctor_hint, stats_json, updated_at_ms",
+        "FROM gateway_restart_sentinel WHERE sentinel_key = ?",
+      ].join(" "),
+    )
+    .get("current");
+  if (
+    !row ||
+    row.version !== 1 ||
+    typeof row.kind !== "string" ||
+    typeof row.status !== "string" ||
+    typeof row.ts !== "number" ||
+    typeof row.updated_at_ms !== "number"
+  ) {
+    return null;
   }
-  try {
-    const updatedAtMs = Date.now();
-    db.prepare(
+  const payload = {
+    kind: row.kind,
+    status: row.status,
+    ts: row.ts,
+  };
+  if (typeof row.session_key === "string") payload.sessionKey = row.session_key;
+  if (typeof row.thread_id === "string") payload.threadId = row.thread_id;
+  const deliveryContext = {};
+  if (typeof row.delivery_channel === "string") deliveryContext.channel = row.delivery_channel;
+  if (typeof row.delivery_to === "string") deliveryContext.to = row.delivery_to;
+  if (typeof row.delivery_account_id === "string") deliveryContext.accountId = row.delivery_account_id;
+  if (Object.keys(deliveryContext).length > 0) payload.deliveryContext = deliveryContext;
+  if (typeof row.message === "string") payload.message = row.message;
+  const continuation = parseJsonColumn(row.continuation_json);
+  if (continuation) payload.continuation = continuation;
+  if (typeof row.doctor_hint === "string") payload.doctorHint = row.doctor_hint;
+  const stats = parseJsonColumn(row.stats_json);
+  if (stats) payload.stats = stats;
+  return { revision: row.updated_at_ms, payload };
+}
+
+function readRestartSentinelRevisionFloor(db) {
+  const row = db
+    .prepare("SELECT updated_at_ms FROM gateway_restart_sentinel WHERE sentinel_key = ?")
+    .get("revision-floor");
+  if (!row) return null;
+  if (!Number.isSafeInteger(row.updated_at_ms)) {
+    throw new Error("restart sentinel revision floor is outside the safe integer range");
+  }
+  return row.updated_at_ms;
+}
+
+function advanceRestartSentinelRevisionFloor(db, revision) {
+  const payloadJson = JSON.stringify({ kind: "restart", status: "skipped", ts: revision });
+  db.prepare(
+    [
+      "INSERT INTO gateway_restart_sentinel (",
+      "sentinel_key, version, kind, status, ts, session_key, thread_id,",
+      "delivery_channel, delivery_to, delivery_account_id, message, continuation_json,",
+      "doctor_hint, stats_json, payload_json, updated_at_ms",
+      ") VALUES ('revision-floor', 1, 'restart', 'skipped', ?, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, ?, ?)",
+      "ON CONFLICT(sentinel_key) DO UPDATE SET",
+      "ts = excluded.ts, payload_json = excluded.payload_json, updated_at_ms = excluded.updated_at_ms",
+    ].join(" "),
+  ).run(revision, payloadJson, revision);
+}
+
+function writeRestartSentinelPayload(db, payload, currentRevision) {
+  const revisionFloor = readRestartSentinelRevisionFloor(db);
+  const updatedAtMs = Math.max(Date.now(), Math.max(currentRevision || 0, revisionFloor || 0) + 1);
+  if (!Number.isSafeInteger(updatedAtMs)) {
+    throw new Error("restart sentinel revision exhausted the safe integer range");
+  }
+  const values = [
+    payload.kind,
+    payload.status,
+    payload.ts,
+    payload.sessionKey || null,
+    payload.threadId || null,
+    payload.deliveryContext && typeof payload.deliveryContext.channel === "string"
+      ? payload.deliveryContext.channel
+      : null,
+    payload.deliveryContext && typeof payload.deliveryContext.to === "string"
+      ? payload.deliveryContext.to
+      : null,
+    payload.deliveryContext && typeof payload.deliveryContext.accountId === "string"
+      ? payload.deliveryContext.accountId
+      : null,
+    payload.message || null,
+    payload.continuation ? JSON.stringify(payload.continuation) : null,
+    payload.doctorHint || null,
+    payload.stats ? JSON.stringify(payload.stats) : null,
+    JSON.stringify(payload),
+    updatedAtMs,
+  ];
+  let changed;
+  if (currentRevision === null) {
+    changed = db.prepare(
       [
         "INSERT INTO gateway_restart_sentinel (",
         "sentinel_key, version, kind, status, ts, session_key, thread_id,",
         "delivery_channel, delivery_to, delivery_account_id, message, continuation_json,",
         "doctor_hint, stats_json, payload_json, updated_at_ms",
-        ") VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
-        "ON CONFLICT(sentinel_key) DO UPDATE SET",
-        "version = excluded.version, kind = excluded.kind, status = excluded.status,",
-        "ts = excluded.ts, session_key = excluded.session_key, thread_id = excluded.thread_id,",
-        "delivery_channel = excluded.delivery_channel, delivery_to = excluded.delivery_to,",
-        "delivery_account_id = excluded.delivery_account_id, message = excluded.message,",
-        "continuation_json = excluded.continuation_json, doctor_hint = excluded.doctor_hint,",
-        "stats_json = excluded.stats_json, payload_json = excluded.payload_json,",
-        "updated_at_ms = excluded.updated_at_ms",
+        ") VALUES ('current', 1, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
       ].join(" "),
-    ).run(
-      "current",
-      1,
-      payload.kind,
-      payload.status,
-      payload.ts,
-      payload.sessionKey || null,
-      payload.threadId || null,
-      payload.deliveryContext && typeof payload.deliveryContext.channel === "string"
-        ? payload.deliveryContext.channel
-        : null,
-      payload.deliveryContext && typeof payload.deliveryContext.to === "string"
-        ? payload.deliveryContext.to
-        : null,
-      payload.deliveryContext && typeof payload.deliveryContext.accountId === "string"
-        ? payload.deliveryContext.accountId
-        : null,
-      payload.message || null,
-      payload.continuation ? JSON.stringify(payload.continuation) : null,
-      payload.doctorHint || null,
-      payload.stats ? JSON.stringify(payload.stats) : null,
-      JSON.stringify(payload),
-      updatedAtMs,
-    );
-  } catch (err) {
-    appendLog("failed to write update sentinel failure: " + (err && err.stack ? err.stack : String(err)));
-  } finally {
-    hardenStateDatabaseFiles();
-    try {
-      db.close();
-    } catch {}
+    ).run(...values).changes === 1;
+  } else {
+    changed = db.prepare(
+      [
+        "UPDATE gateway_restart_sentinel SET",
+        "version = 1, kind = ?, status = ?, ts = ?, session_key = ?, thread_id = ?,",
+        "delivery_channel = ?, delivery_to = ?, delivery_account_id = ?, message = ?,",
+        "continuation_json = ?, doctor_hint = ?, stats_json = ?, payload_json = ?, updated_at_ms = ?",
+        "WHERE sentinel_key = 'current' AND updated_at_ms = ?",
+      ].join(" "),
+    ).run(...values, currentRevision).changes === 1;
   }
+  if (changed) {
+    // This runs inside the same BEGIN IMMEDIATE section as the guarded current-row write.
+    advanceRestartSentinelRevisionFloor(db, updatedAtMs);
+  }
+  return changed;
 }
 
 function buildFallbackFailurePayload(reason) {
@@ -312,22 +368,77 @@ function buildFallbackFailurePayload(reason) {
 }
 
 function markUpdateSentinelFailureIfPending(reason) {
-  let payload = readRestartSentinelPayload();
-  if (payload && (payload.kind !== "update" || !isPendingUpdatePayload(payload))) {
+  const snapshotDb = openStateDatabase();
+  if (!snapshotDb) return;
+  let snapshot;
+  try {
+    snapshot = readRestartSentinelRecord(snapshotDb);
+  } catch {
     return;
+  } finally {
+    try {
+      snapshotDb.close();
+    } catch {}
   }
-  const handoffId = typeof params.handoffId === "string" ? params.handoffId.trim() : "";
-  if (payload && handoffId && (!payload.stats || payload.stats.handoffId !== handoffId)) {
-    return;
+  const fallbackPayload = snapshot === null ? buildFallbackFailurePayload(reason) : null;
+
+  const db = openStateDatabase();
+  if (!db) return;
+  let transactionOpen = false;
+  try {
+    db.exec("BEGIN IMMEDIATE;");
+    transactionOpen = true;
+    const current = readRestartSentinelRecord(db);
+    if (
+      (snapshot === null && current !== null) ||
+      (snapshot !== null &&
+        (current === null || current.revision !== snapshot.revision))
+    ) {
+      db.exec("COMMIT;");
+      transactionOpen = false;
+      return;
+    }
+
+    let payload = current && current.payload;
+    if (payload && (payload.kind !== "update" || !isPendingUpdatePayload(payload))) {
+      db.exec("COMMIT;");
+      transactionOpen = false;
+      return;
+    }
+    const handoffId = typeof params.handoffId === "string" ? params.handoffId.trim() : "";
+    if (payload && handoffId && (!payload.stats || payload.stats.handoffId !== handoffId)) {
+      db.exec("COMMIT;");
+      transactionOpen = false;
+      return;
+    }
+    if (payload) {
+      payload = { ...payload, status: "error" };
+      delete payload.continuation;
+      payload.stats = { ...(payload.stats || {}), reason };
+    } else {
+      payload = fallbackPayload;
+    }
+    if (!payload) {
+      throw new Error("restart sentinel disappeared before guarded failure write");
+    }
+    if (!writeRestartSentinelPayload(db, payload, current ? current.revision : null)) {
+      throw new Error("restart sentinel changed before guarded failure write");
+    }
+    db.exec("COMMIT;");
+    transactionOpen = false;
+  } catch (err) {
+    if (transactionOpen) {
+      try {
+        db.exec("ROLLBACK;");
+      } catch {}
+    }
+    appendLog("failed to write update sentinel failure: " + (err && err.stack ? err.stack : String(err)));
+  } finally {
+    hardenStateDatabaseFiles();
+    try {
+      db.close();
+    } catch {}
   }
-  if (payload) {
-    payload = { ...payload, status: "error" };
-    delete payload.continuation;
-    payload.stats = { ...(payload.stats || {}), reason };
-  } else {
-    payload = buildFallbackFailurePayload(reason);
-  }
-  writeRestartSentinelPayload(payload);
 }
 
 function runServiceCommand(command, args) {
diff --git a/test/scripts/check-database-first-legacy-stores.test.ts b/test/scripts/check-database-first-legacy-stores.test.ts
index e4ae433d204f..2818d351f4a9 100644
--- a/test/scripts/check-database-first-legacy-stores.test.ts
+++ b/test/scripts/check-database-first-legacy-stores.test.ts
@@ -128,6 +128,84 @@ describe("check-database-first-legacy-stores", () => {
     expect(violations).toEqual([{ kind: "legacy store filesystem write", line: 5 }]);
   });
 
+  it("keeps legacy restart sentinel filesystem access in its sole migration owner", () => {
+    const runtimeViolations = collectDatabaseFirstLegacyStoreViolations(
+      `
+        import { readFile } from "node:fs/promises";
+        import path from "node:path";
+        const legacyFilename = "restart-sentinel.json";
+      `,
+      "src/infra/restart-sentinel.ts",
+    );
+    const migrationViolations = collectDatabaseFirstLegacyStoreViolations(
+      `
+        import { readFile } from "node:fs/promises";
+        import path from "node:path";
+        const legacyFilename = "restart-sentinel.json";
+      `,
+      "src/infra/state-migrations.restart-sentinel.ts",
+    );
+
+    expect(runtimeViolations).toEqual([
+      { kind: "legacy restart sentinel filesystem import", line: 2 },
+      { kind: "legacy restart sentinel filesystem import", line: 3 },
+      { kind: "legacy restart sentinel reference", line: 4 },
+    ]);
+    expect(migrationViolations).toEqual([]);
+  });
+
+  it("flags legacy restart sentinel references outside the migration owner", () => {
+    const violations = collectDatabaseFirstLegacyStoreViolations(
+      `
+        const legacyPath = path.join(stateDir, "restart-sentinel.json");
+        await readFile(legacyPath, "utf8");
+      `,
+      "src/commands/doctor/state-migrations.ts",
+    );
+
+    expect(violations).toEqual([{ kind: "legacy restart sentinel reference", line: 2 }]);
+  });
+
+  it("allows the CLI preflight to detect exact legacy restart sentinel inputs", () => {
+    const violations = collectDatabaseFirstLegacyStoreViolations(
+      `
+        [
+          path.join(stateDir, "restart-sentinel.json"),
+          path.join(stateDir, "restart-sentinel.json.doctor-importing"),
+        ].some(fileOrDirExists);
+      `,
+      "src/cli/program/config-guard.ts",
+    );
+
+    expect(violations).toEqual([]);
+  });
+
+  it("flags direct legacy restart sentinel reads from the CLI preflight", () => {
+    const violations = collectDatabaseFirstLegacyStoreViolations(
+      `
+        await readFile(path.join(stateDir, "restart-sentinel.json"), "utf8");
+        await readFile(path.join(stateDir, "restart-sentinel.json.doctor-importing"), "utf8");
+      `,
+      "src/cli/program/config-guard.ts",
+    );
+
+    expect(violations).toEqual([
+      { kind: "legacy restart sentinel reference", line: 2 },
+      { kind: "legacy restart sentinel reference", line: 3 },
+    ]);
+  });
+
+  it("flags nested restart sentinel paths disguised as CLI preflight detection", () => {
+    const violations = collectDatabaseFirstLegacyStoreViolations(
+      `
+        [path.join(stateDir, "archive/restart-sentinel.json")].some(fileOrDirExists);
+      `,
+      "src/cli/program/config-guard.ts",
+    );
+
+    expect(violations).toEqual([{ kind: "legacy restart sentinel reference", line: 2 }]);
+  });
+
   it("flags retired Diffs viewer sidecar writes", () => {
     const violations = collectDatabaseFirstLegacyStoreViolations(
       `
@@ -1819,6 +1897,7 @@ describe("check-database-first-legacy-stores", () => {
     );
 
     expect(violations).toEqual([
+      { kind: "legacy restart sentinel reference", line: 5 },
       { kind: "legacy store filesystem write", line: 5 },
       { kind: "legacy store filesystem write", line: 6 },
       { kind: "legacy store filesystem write", line: 7 },