Add structured output repair configuration

internal/core/config/validation.go

@@ -116,6 +116,9 @@ func validatePipelineProfiles(profiles map[string]pipeline.PipelineProfile) erro
 		if profile.ID != "" && strings.TrimSpace(profile.ID) != id {
 			return fmt.Errorf("pipeline %q profile id %q does not match map key", id, profile.ID)
 		}
+		if err := validateStructuredOutputRepairAttempts(fmt.Sprintf("pipeline %q", id), profile.StructuredOutputRepairAttempts); err != nil {
+			return err
+		}
 		if err := validateBinding(id, "", "input", profile.Input, false); err != nil {
 			return err
 		}
@@ -195,6 +198,9 @@ func validateBinding(
 	binding pipeline.ModuleBinding,
 	referencesAllowed bool,
 ) error {
+	if err := validateStructuredOutputRepairAttempts(referenceContext(pipelineID, laneID, slot), binding.StructuredOutputRepairAttempts); err != nil {
+		return err
+	}
 	if err := validateBindingLLMProfile(pipelineID, laneID, slot, binding); err != nil {
 		return err
 	}
@@ -219,6 +225,13 @@ func validateBinding(
 	return validateReferenceMapForContext(pipelineID, laneID, slot, binding.References, true)
 }
 
+func validateStructuredOutputRepairAttempts(context string, attempts *int) error {
+	if attempts != nil && (*attempts < 0 || *attempts > 3) {
+		return fmt.Errorf("%s structured_output_repair_attempts must be between zero and three", context)
+	}
+	return nil
+}
+
 func validateValidatorOverride(pipelineID string, laneID string, slot string, override pipeline.ValidatorOverride) error {
 	if !override.Set {
 		return nil
@@ -230,6 +243,9 @@ func validateValidatorOverride(pipelineID string, laneID string, slot string, ov
 	}
 	for i, validator := range override.Validators {
 		context := fmt.Sprintf("%s validators[%d]", referenceContext(pipelineID, laneID, slot), i)
+		if err := validateStructuredOutputRepairAttempts(context, validator.StructuredOutputRepairAttempts); err != nil {
+			return err
+		}
 		if strings.TrimSpace(validator.Module) == "" {
 			return fmt.Errorf("%s module must not be empty", context)
 		}