fixing clients

new frontend

services/ping/ping-api/build.gradle.kts

@@ -7,6 +7,12 @@ group = "at.mocode"
 version = "1.0.0"
 
 kotlin {
+
+    val enableWasm = providers.gradleProperty("enableWasm").orNull == "true"
+
+    // Align toolchain with project (see composeApp uses 21)
+    jvmToolchain(21)
+
     // JVM target for backend usage
     jvm()
 
@@ -16,16 +22,21 @@ kotlin {
         // no need for binaries.executable() in a library
     }
 
-    // Align toolchain with project (see composeApp uses 21)
-    jvmToolchain(21)
+    // Optional Wasm target for browser clients
+    if (enableWasm) {
+        @OptIn(org.jetbrains.kotlin.gradle.ExperimentalWasmDsl::class)
+        wasmJs {
+            browser()
+        }
+    }
 
     sourceSets {
-        val commonMain by getting {
+        commonMain {
             dependencies {
                 implementation(libs.kotlinx.serialization.json)
             }
         }
-        val commonTest by getting {
+        commonTest {
             dependencies {
                 implementation(libs.kotlin.test)
             }