core: add unit and kotlin adapters to osrd error adapter

Author: Erashin

core/kt-osrd-utils/build.gradle

@@ -18,7 +18,6 @@ dependencies {
     // PLEASE ADD AND UPDATE DEPENDENCIES USING libs.versions.toml
     implementation project(':kt-fast-collections')
     ksp project(':kt-fast-collections-generator')
-    api project(':osrd-reporting')
 
     // JSON parsing
     implementation libs.moshi

core/kt-osrd-utils/src/main/kotlin/fr/sncf/osrd/utils/DiscreteEventSimulation.kt

@@ -1,6 +1,7 @@
 plugins {
     id 'java'
     id 'jacoco'
+    alias(libs.plugins.kotlin.jvm)
 }
 
 repositories {
@@ -15,10 +16,14 @@ java {
 
 dependencies {
     // PLEASE ADD AND UPDATE DEPENDENCIES USING libs.versions.toml
+    api project(':kt-osrd-utils')
+
+    implementation libs.kotlin.stdlib
 
     //moshi
     implementation libs.moshi
     implementation libs.moshi.adapters
+    implementation libs.moshi.kotlin
 
     //class-graph
     implementation libs.classgraph

core/osrd-reporting/build.gradle

@@ -1,10 +1,12 @@
 package fr.sncf.osrd.reporting.exceptions;
 
-import com.squareup.moshi.*;
 import com.squareup.moshi.JsonAdapter;
+import com.squareup.moshi.Moshi;
+import com.squareup.moshi.kotlin.reflect.KotlinJsonAdapterFactory;
 import fr.sncf.osrd.reporting.ErrorContext;
 import fr.sncf.osrd.reporting.warnings.DiagnosticRecorder;
 import fr.sncf.osrd.reporting.warnings.Warning;
+import fr.sncf.osrd.utils.json.UnitAdapterFactory;
 import java.io.IOException;
 import java.io.ObjectInputStream;
 import java.io.Serial;
@@ -456,7 +458,10 @@ public String getMessage() {
     public static final JsonAdapter<OSRDError> adapter;
 
     static {
-        Moshi moshi = new Moshi.Builder().build();
+        Moshi moshi = new Moshi.Builder()
+                .addLast(new UnitAdapterFactory())
+                .addLast(new KotlinJsonAdapterFactory())
+                .build();
         adapter = moshi.adapter(OSRDError.class);
     }