Add capability-probed structured outputs and a prototype/instance creation graph.

Probe API profiles for json_schema/tools, flatten worker artifacts onto a strict schema, and let users spawn or revise graph nodes instead of a one-shot DAG.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/runtime/orchestrator.ts

@@ -160,6 +160,9 @@ export class RuntimeOrchestrator {
         case "invoke_main_agent":
         case "propose_next_creation_step":
         case "seal_creation_opening":
+        case "unseal_creation_opening":
+        case "run_play_turn":
+        case "continue_play_turn":
           break;
       }
     }