docs(standards): align layering docs with the port seam; split runtime vs wiring diagrams

standards/src/lib/07_worker_and_progress.md

@@ -73,7 +73,7 @@ await self.bus.publish(ProgressEvent(job_id=jid, step="normalize",
 
 ```python
 async def stream_job_events(request, id):
-    bus = request.app.state.resources.get("progress_bus")
+    bus = request.app.state.db_resources.get("progress_bus")
     if bus is None:
         return {"events": []}