style: 合入后修 gofmt/govet 与 RegistrationView 类型检查

internal/store/migrate_test.go

@@ -28,7 +28,7 @@ func TestFailingMigrationReusesBackup(t *testing.T) {
 		name:    "9999_fail.sql",
 		body:    "THIS IS NOT VALID SQL",
 	}}
-	if err := applyPending(w, dir, true, pending); err == nil {
+	if applyErr := applyPending(w, dir, true, pending); applyErr == nil {
 		t.Fatal("expected first failing migration to error")
 	}
 	backupDir := filepath.Join(dir, "backup")
@@ -40,7 +40,7 @@ func TestFailingMigrationReusesBackup(t *testing.T) {
 		t.Fatalf("first backups=%v", dirNames(first))
 	}
 
-	if err := applyPending(w, dir, true, pending); err == nil {
+	if applyErr := applyPending(w, dir, true, pending); applyErr == nil {
 		t.Fatal("expected second failing migration to error")
 	}
 	second, err := os.ReadDir(backupDir)