refactor: store gateway restart recovery in SQLite (#110014)

* refactor: move restart sentinel state to sqlite

* fix: satisfy restart sentinel architecture gates

* test: avoid cold startup migration timeout

* fix: bound durable restart notice retries

* test: type restart notice contention mock

* fix: detect legacy restart sentinel before reads

* fix: keep delivery attempt result internal

* fix: narrow restart sentinel preflight guard

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);

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) ||