feat(exec): surface AttemptRecord slice on Result for session logging

cmd/supervisor/main.go

@@ -101,7 +101,9 @@ func main() {
 			}
 			attempts := make([]iexec.AttemptRecord, 0, len(chain))
 			orch := iexec.NewOrchestrator(chain, litellmExec.Run, claudeExec.Run, verifier, models.LlamaSwapURL(), &attempts)
-			return orch.Run(ctx, req)
+			result, err := orch.Run(ctx, req)
+			result.Attempts = attempts // attach orchestration metadata before returning
+			return result, err
 		}
 	}