update api, fix tests and examples

clients/openrpc/README.md

@@ -54,7 +54,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
         .context_id("example_context")
         .payload("print('Hello from Hero Supervisor!');")
         .job_type(JobType::OSIS)
-        .runner_name("my_actor")
+        .runner("my_actor")
         .timeout(Duration::from_secs(60))
         .build()?;
     
@@ -112,7 +112,7 @@ let job = JobBuilder::new()
     .context_id("context_id")
     .payload("script_content")
     .job_type(JobType::OSIS)
-    .runner_name("target_actor")
+    .runner("target_actor")
     .timeout(Duration::from_secs(300))
     .env_var("KEY", "value")
     .build()?;