feat: füge Wasm/JS-Feature-Toggle hinzu, optimiere Gradle-Build-Zeit durch bedingte Task-Deaktivierung

Signed-off-by: StefanMoCoAt <stefan.mo.co@gmail.com>

build.gradle.kts

@@ -38,6 +38,8 @@ plugins {
 // ###                  ALLPROJECTS CONFIGURATION                 ###
 // ##################################################################
 
+val isWasmEnabled = findProperty("enableWasm")?.toString()?.toBoolean() ?: false
+
 // ---------------------------------------------------------------
 // Zentrale Versionierung — liest version.properties (SemVer)
 // ---------------------------------------------------------------
@@ -92,7 +94,7 @@ subprojects {
     minHeapSize = "512m"
     maxHeapSize = "2g"
     // Parallel test execution for better performance
-    maxParallelForks = (Runtime.getRuntime().availableProcessors() / 2).coerceAtLeast(1)
+    maxParallelForks = (Runtime.getRuntime().availableProcessors() / 4).coerceAtLeast(1)
   }
 
   // ---------------------------------------------------------------------------
@@ -111,7 +113,28 @@ subprojects {
   // (A) Source map configuration is handled via `gradle.properties` (global Kotlin/JS settings)
   // to avoid compiler-flag incompatibilities across toolchains.
 
-  // (B) JS test executable compilation/sync is currently very noisy (duplicate resource copying from jsMain + jsTest).
+  // (B) Conditional Wasm/JS Target handling based on `enableWasm` property
+  // This significantly reduces build times during Desktop development.
+  // Flag is defined at the beginning of the script.
+
+  // If Wasm is disabled, we skip the intensive JS/WASM compilation tasks
+  // for modules that are not strictly JVM-only.
+  if (!isWasmEnabled) {
+    tasks.matching {
+      val n = it.name
+      n.contains("wasmJs", ignoreCase = true) ||
+        n.contains("KotlinJs", ignoreCase = true) ||
+        n.contains("JsIr", ignoreCase = true) ||
+        n.contains("packageJsUpper", ignoreCase = true) ||
+        n.contains("jsProcessResources", ignoreCase = true) ||
+        n.contains("wasmJsProcessResources", ignoreCase = true)
+    }.configureEach {
+      enabled = false
+      group = "disabled"
+    }
+  }
+
+  // (C) JS test executable compilation/sync is currently very noisy (duplicate resource copying from jsMain + jsTest).
   // We disable JS/WASM JS test executables in CI/build to keep output warning-free.
   tasks.matching {
     val n = it.name