Remove domain models and services related to Abteilung, AbteilungsRegelService, and Bewerb: cleanup unnecessary entities, validation logic, and tests across backend modules.

backend/services/billing/billing-domain/build.gradle.kts

@@ -1,3 +1,7 @@
+@file:OptIn(ExperimentalWasmDsl::class)
+
+import org.jetbrains.kotlin.gradle.ExperimentalWasmDsl
+
 plugins {
   alias(libs.plugins.kotlinMultiplatform)
   alias(libs.plugins.kotlinSerialization)
@@ -8,19 +12,24 @@ kotlin {
   js(IR) {
     browser()
   }
+  wasmJs {
+    browser()
+  }
 
   sourceSets {
-    val commonMain by getting {
-      dependencies {
-        implementation(projects.core.coreDomain)
-        implementation(projects.core.coreUtils)
-        implementation(libs.kotlinx.datetime)
-      }
+    commonMain.dependencies {
+      implementation(projects.core.coreDomain)
+      implementation(projects.core.coreUtils)
+      implementation(libs.kotlinx.datetime)
     }
-    val commonTest by getting {
-      dependencies {
-        implementation(kotlin("test"))
-      }
+
+    commonTest.dependencies {
+      implementation(kotlin("test"))
     }
+
+    jvmTest.dependencies {
+      implementation(projects.platform.platformTesting)
+    }
+
   }
 }

backend/services/billing/billing-domain/src/commonMain/kotlin/at/mocode/billing/domain/repository/BillingRepositories.kt

@@ -14,6 +14,7 @@ interface TeilnehmerKontoRepository {
   fun findByVeranstaltungAndPerson(veranstaltungId: Uuid, personId: Uuid): TeilnehmerKonto?
   fun findById(kontoId: Uuid): TeilnehmerKonto?
   fun findByVeranstaltung(veranstaltungId: Uuid): List<TeilnehmerKonto>
+  fun findOffenePosten(veranstaltungId: Uuid): List<TeilnehmerKonto>
   fun save(konto: TeilnehmerKonto): TeilnehmerKonto
   fun updateSaldo(kontoId: Uuid, saldoCent: Long): Long
 }