fixing gradle build

masterdata/masterdata-api/build.gradle.kts

@@ -5,6 +5,7 @@ plugins {
     alias(libs.plugins.kotlin.serialization)
     alias(libs.plugins.ktor)
     application
+    alias(libs.plugins.spring.dependencyManagement)
 }
 
 application {
@@ -12,6 +13,7 @@ application {
 }
 
 dependencies {
+    api(platform(libs.spring.boot.dependencies))
     // Interne Module
     implementation(projects.platform.platformDependencies)
     implementation(projects.masterdata.masterdataDomain)

masterdata/masterdata-domain/build.gradle.kts

@@ -1,9 +1,27 @@
 plugins {
-    kotlin("jvm")
+    alias(libs.plugins.kotlin.multiplatform)
+    alias(libs.plugins.kotlin.serialization)
 }
 
-dependencies {
-    implementation(projects.core.coreDomain)
-    implementation(projects.core.coreUtils)
-    testImplementation(projects.platform.platformTesting)
+kotlin {
+    jvm()
+    js(IR) {
+        browser()
+    }
+
+    sourceSets {
+        val commonMain by getting {
+            dependencies {
+                // KORREKTUR: Diese zwei Zeilen hinzufügen
+                implementation(projects.core.coreDomain)
+                implementation(projects.core.coreUtils)
+            }
+        }
+        val commonTest by getting {
+            dependencies {
+                implementation(kotlin("test"))
+                implementation(projects.platform.platformTesting)
+            }
+        }
+    }
 }