Configure built-in retries across execution paths

internal/usecase/prepared_execution.go

@@ -29,9 +29,10 @@ type PreparedExecution struct {
 }
 
 type preparedExecutionPayload struct {
-	prepared   *domain.PreparedRun
-	validation validate.PreparedValidation
-	directKey  string
+	prepared         *domain.PreparedRun
+	validation       validate.PreparedValidation
+	directKey        string
+	transientRetries uint64
 }
 
 // PrepareExecution completes preparation without generation or admission and
@@ -62,9 +63,10 @@ func (r *Runner) PrepareExecution(ctx context.Context, req domain.RunRequest) (*
 		state:   preparedExecutionReady,
 		details: details,
 		payload: &preparedExecutionPayload{
-			prepared:   executionSnapshot,
-			validation: operation.validation,
-			directKey:  state.effectiveModel.APIKey,
+			prepared:         executionSnapshot,
+			validation:       operation.validation,
+			directKey:        state.effectiveModel.APIKey,
+			transientRetries: state.transientRetries,
 		},
 	}, nil
 }
@@ -129,7 +131,7 @@ func (r *Runner) RunPrepared(ctx context.Context, prepared *PreparedExecution) (
 	}
 	defer release()
 
-	return r.executePreparedRun(ctx, payload.prepared, payload.directKey, runID, start, func(
+	return r.executePreparedRun(ctx, payload.prepared, payload.directKey, payload.transientRetries, runID, start, func(
 		ctx context.Context,
 		artifact *domain.Artifact,
 		attemptsUsed int,
@@ -169,6 +171,7 @@ func (p *preparedExecutionPayload) clear() {
 	p.prepared = nil
 	p.validation = nil
 	p.directKey = ""
+	p.transientRetries = 0
 }
 
 type noOpPreparedValidation struct {