refactor: adapter 구현중..

src/adapter/outbound/persistence-jpa/build.gradle

@@ -35,6 +35,12 @@ dependencies {
     implementation 'org.springframework.boot:spring-boot-starter-flyway'
     runtimeOnly 'org.postgresql:postgresql'
     runtimeOnly 'org.flywaydb:flyway-database-postgresql'
+
+    // Vendor (H2): the local-profile driver. Used only by the .h2 subpackage, which reaches it
+    // through JDBC/JPA rather than by importing org.h2 types — the same shape as the PostgreSQL
+    // driver above. Not `developmentOnly`: local is a deployable profile of this artifact, and the
+    // vendor selector, not the packaging, decides which driver a deployment loads.
+    runtimeOnly 'com.h2database:h2'
     annotationProcessor 'org.springframework.boot:spring-boot-configuration-processor'
 
     postgresqlIntegrationTestImplementation 'org.testcontainers:testcontainers-postgresql'