feat(integrations): align linear parity

internal/repository/integration_hook_repo.go

@@ -14,6 +14,11 @@ type IntegrationHookRepo struct {
 	db *gorm.DB
 }
 
+// DB returns the underlying gorm.DB for services that need adjacent models.
+func (r *IntegrationHookRepo) DB() *gorm.DB {
+	return r.db
+}
+
 // NewIntegrationHookRepo creates a new IntegrationHook repository.
 func NewIntegrationHookRepo(db *gorm.DB) *IntegrationHookRepo {
 	return &IntegrationHookRepo{db: db}