Merge pull request #311 from mssonicbld/sonicbld/202603-merge

```<br>* 7e3dc2b - (HEAD -> 202603) Merge branch '202511' of https://github.com/sonic-net/sonic-utilities into 202603 (2026-04-17) [Sonic Automation]
* 0adc01f - (origin/202511) Add stop-time option to App Extension, to stop container after wanted number of seconds (#4464) (2026-04-16) [mssonicbld]<br>```

Author: mssonicbld

sonic_package_manager/manifest.py

@@ -204,6 +204,7 @@ def unmarshal(self, value):
             ManifestField('delayed', DefaultMarshaller(bool), False),
             ManifestField('check_up_status', DefaultMarshaller(bool), False),
             ManifestField('type', DefaultMarshaller(str), ''),
+            ManifestField('stop-time', DefaultMarshaller(str), ''),
             ManifestRoot('warm-shutdown', [
                 ManifestArray('after', DefaultMarshaller(str)),
                 ManifestArray('before', DefaultMarshaller(str)),

sonic_package_manager/service_creator/creator.py

@@ -252,6 +252,7 @@ def generate_container_mgmt(self, package: Package):
 
         image_id = package.image_id
         name = package.manifest['service']['name']
+        stop_time = package.manifest['service']['stop-time']
         container_spec = package.manifest['container']
         script_path = os.path.join(DOCKER_CTL_SCRIPT_LOCATION, f'{name}.sh')
         script_template = get_tmpl_path(DOCKER_CTL_SCRIPT_TEMPLATE)
@@ -285,7 +286,8 @@ def generate_container_mgmt(self, package: Package):
             'docker_image_name': package.entry.repository,
             'docker_image_reference': package.entry.docker_image_reference,
             'docker_image_run_opt': run_opt,
-            'sonic_asic_platform': sonic_asic_platform
+            'sonic_asic_platform': sonic_asic_platform,
+            'stop_time': stop_time
         }
         render_template(script_template, script_path, render_ctx, executable=True)
         log.info(f'generated {script_path}')