fix: fix server guard at public api

Author: superstrellaa

src/main/java/es/superstrellaa/storagemanager/api/StorageManager.java

@@ -4,6 +4,7 @@
 import es.superstrellaa.storagemanager.api.schema.TableSchema;
 import es.superstrellaa.storagemanager.internal.TableExecutor;
 import es.superstrellaa.storagemanager.internal.cache.WriteCache;
+import es.superstrellaa.storagemanager.internal.middleware.ServerGuard;
 
 import java.util.List;
 import java.util.Map;
@@ -23,20 +24,23 @@ public final class StorageManager {
      * Registra una tabla en la base de datos
      */
     public static void registerTable(TableSchema schema) {
+        if (!ServerGuard.requireServer()) return;
         TableExecutor.createTable(schema);
     }
 
     /**
      * Inserta datos (modo async con caché, recomendado para la mayoría de casos)
      */
     public static void insert(String table, RowData data) {
+        if (!ServerGuard.requireServer()) return;
         TableExecutor.insert(table, data, false);
     }
 
     /**
      * Inserta datos inmediatamente sin usar caché (para datos críticos)
      */
     public static void insertImmediate(String table, RowData data) {
+        if (!ServerGuard.requireServer()) return;
         TableExecutor.insert(table, data, true);
     }
 
@@ -45,34 +49,39 @@ public static void insertImmediate(String table, RowData data) {
      * Automáticamente hace flush de la caché antes de leer.
      */
     public static List<RowData> select(String table, Map<String, Object> where) {
+        if (!ServerGuard.requireServer()) return List.of();
         return TableExecutor.select(table, where);
     }
 
     /**
      * Elimina datos (modo async con caché)
      */
     public static void delete(String table, Map<String, Object> where) {
+        if (!ServerGuard.requireServer()) return;
         TableExecutor.delete(table, where, false);
     }
 
     /**
      * Elimina datos inmediatamente sin usar caché
      */
     public static void deleteImmediate(String table, Map<String, Object> where) {
+        if (!ServerGuard.requireServer()) return;
         TableExecutor.delete(table, where, true);
     }
 
     /**
      * Fuerza el guardado de todas las operaciones pendientes de una tabla específica
      */
     public static void flush(String table) {
+        if (!ServerGuard.requireServer()) return;
         WriteCache.getInstance().flushTable(table);
     }
 
     /**
      * Fuerza el guardado de todas las operaciones pendientes de todas las tablas
      */
     public static void flushAll() {
+        if (!ServerGuard.requireServer()) return;
         WriteCache.getInstance().flushAll();
     }
 

src/main/java/es/superstrellaa/storagemanager/internal/middleware/ServerGuard.java

@@ -14,14 +14,16 @@ public static void markServerReady() {
         serverReady = true;
     }
 
-    public static void requireServer() {
+    public static boolean requireServer() {
         if (!serverReady) {
             if (FabricLoader.getInstance().getEnvironmentType() == EnvType.SERVER) {
                 StorageManagerAPI.LOGGER.error("StorageManager API is not ready yet! This likely means that you are trying to use it during mod initialization, which is too early. Please wait until the server has started.");
             } else {
                 StorageManagerAPI.LOGGER.warn("StorageManager API isn't meant for here! This likely means that you are trying to use it on the client side, which is not supported. Please only use the API on the server side.");
             }
+            return false;
         }
+        return true;
     }
 
     private ServerGuard() {}