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

gradle/libs.versions.toml

@@ -65,6 +65,7 @@ springDataValkey = "0.2.0"
 # Observability
 micrometer = "1.16.1"
 micrometerTracing = "1.6.1"
+springMail = "3.5.9"
 zipkin = "3.5.1"
 zipkinReporter = "3.5.1"
 resilience4j = "2.3.0"
@@ -177,6 +178,7 @@ spring-boot-starter-web = { module = "org.springframework.boot:spring-boot-start
 spring-boot-starter-validation = { module = "org.springframework.boot:spring-boot-starter-validation" }
 spring-boot-starter-actuator = { module = "org.springframework.boot:spring-boot-starter-actuator" }
 spring-boot-starter-data-jpa = { module = "org.springframework.boot:spring-boot-starter-data-jpa" }
+spring-boot-starter-jdbc = { module = "org.springframework.boot:spring-boot-starter-jdbc" }
 spring-boot-starter-data-redis = { module = "org.springframework.boot:spring-boot-starter-data-redis" }
 spring-boot-starter-test = { module = "org.springframework.boot:spring-boot-starter-test" }
 spring-boot-starter-oauth2-client = { module = "org.springframework.boot:spring-boot-starter-oauth2-client" }
@@ -185,7 +187,8 @@ spring-boot-starter-security = { module = "org.springframework.boot:spring-boot-
 spring-security-test = { module = "org.springframework.security:spring-security-test" }
 spring-boot-starter-webflux = { module = "org.springframework.boot:spring-boot-starter-webflux" }
 spring-boot-starter-json = { module = "org.springframework.boot:spring-boot-starter-json" }
-spring-boot-starter-aop = { module = "org.springframework.boot:spring-boot-starter-aop", version.ref = "springBoot" }
+spring-boot-starter-aop = { module = "org.springframework.boot:spring-boot-starter-aop" }
+spring-boot-starter-mail = { module = "org.springframework.boot:spring-boot-starter-mail" }
 
 spring-kafka = { module = "org.springframework.kafka:spring-kafka" }
 spring-security-oauth2-jose = { module = "org.springframework.security:spring-security-oauth2-jose" }