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
 		}
 	}
 

internal/exec/result.go

@@ -17,6 +17,7 @@ type Result struct {
 	Verified     bool            `json:"verified"`           // based on exit code, never self-report
 	ModelUsed    string          `json:"model_used"`         // model name or "self"
 	Message      string          `json:"message"`            // one sentence summary
+	Attempts     []AttemptRecord `json:"attempts,omitempty"` // populated by orchestrator, not Claude
 }
 
 var validStatuses = map[string]bool{"pass": true, "fail": true, "error": true}