docs: soften restart description wording

src/cli/resources/groups.ts

@@ -66,7 +66,7 @@ registerResource({
         '--rebuild rebuilds the container image first (required for package changes). ' +
         '--message sets an on-wake instruction for the fresh container to act on when it starts — ' +
         'use this when you need to continue after the restart (e.g. verify a new tool works, notify the user). ' +
-        'Without --message, the container is killed and only comes back on the next user message.',
+        'Without --message, the container stops and only starts again on the next user message.',
       handler: async (args, ctx) => {
         const id = (args.id as string) || (ctx.caller === 'agent' ? ctx.agentGroupId : undefined);
         if (!id) throw new Error('--id is required');