Refactor validators into built-in registry chains

internal/modules/grammar/module.go

@@ -8,7 +8,7 @@ import (
 	"gitea.maximumdirect.net/eric/audita/internal/framework/contracts"
 	"gitea.maximumdirect.net/eric/audita/internal/framework/proposal_generation"
 	"gitea.maximumdirect.net/eric/audita/internal/framework/proposals"
-	"gitea.maximumdirect.net/eric/audita/internal/framework/validators"
+	builtinvalidators "gitea.maximumdirect.net/eric/audita/internal/validators"
 )
 
 type Module struct {
@@ -16,25 +16,12 @@ type Module struct {
 }
 
 func New() (*Module, error) {
-	grammarOnlyGuard, err := validators.NewLLMBackedValidator("grammar_only_guard", validators.LLMValidatorTypeGrammarReview, "")
+	chain, err := builtinvalidators.ResolveBuiltInChain("grammar", builtinvalidators.NewBuiltInRegistry())
 	if err != nil {
 		return nil, err
 	}
-	meaningReversal, err := validators.NewLLMBackedValidator("meaning_reversal_review", validators.LLMValidatorTypeMeaningReversal, "")
-	if err != nil {
-		return nil, err
-	}
-
 	return &Module{
-		validators: []contracts.Validator{
-			validators.NoEffectValidator{},
-			validators.OriginalTextPresenceValidator{},
-			validators.ConfidenceThresholdValidator{},
-			validators.ProtectedGlossaryTermValidator{},
-			validators.NonEmptyCorrectionValidator{},
-			grammarOnlyGuard,
-			meaningReversal,
-		},
+		validators: chain,
 	}, nil
 }
 

internal/modules/grammar/module_test.go

@@ -134,9 +134,9 @@ func TestGrammarModuleValidatorChain(t *testing.T) {
 		"no_effect",
 		"original_text_presence",
 		"confidence_threshold",
-		"protected_glossary_terms",
-		"non_empty_correction",
-		"grammar_only_guard",
+		"protected_terms",
+		"non_empty_corrected_text",
+		"grammar_review",
 		"meaning_reversal_review",
 	}
 	if strings.Join(got, ",") != strings.Join(want, ",") {