feat: add admin client policy control

apps/api/tests.py

@@ -65,6 +65,7 @@ from apps.moderation.models import SensitiveWord
 from apps.moderation.providers.keyword import reset_keyword_matcher_cache
 from apps.portal.models import DownloadRelease
 from apps.licensing.models import (
+    ClientSubscriptionPolicy,
     ClientDevice,
     SoftwareEntitlement,
     SoftwareOrder,
@@ -690,6 +691,29 @@ class ClientLatestReleaseApiTests(TestCase):
             },
         )
 
+    @override_settings(
+        CMSHOPEE_CLIENT_SUBSCRIPTION_POLICY="off",
+        CMSHOPEE_CLIENT_SUBSCRIPTION_POLICY_UPDATED_AT="2026-07-28T00:00:00+08:00",
+    )
+    def test_latest_release_prefers_admin_policy_without_restart(self):
+        policy = ClientSubscriptionPolicy.objects.create(
+            mode=ClientSubscriptionPolicy.Mode.OBSERVE,
+        )
+
+        response = self.client.get(self.url)
+
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response["Cache-Control"], "no-store")
+        self.assertEqual(
+            response.data["client_policy"],
+            {
+                "policy_version": 1,
+                "subscription_check_enabled": True,
+                "subscription_enforcement_enabled": False,
+                "updated_at": policy.updated_at.isoformat(),
+            },
+        )
+
     @override_settings(
         CMSHOPEE_CLIENT_SUBSCRIPTION_POLICY="invalid",
         CMSHOPEE_CLIENT_SUBSCRIPTION_POLICY_UPDATED_AT="2026-07-28T10:00:00+08:00",