feat: migrate from OSSRH to central repository

Author: christyjacob4

scripts/publish.gradle

@@ -10,18 +10,7 @@ java {
 }
 
 publishing {
-    repositories {
-        maven {
-            name = "sonatype"
-            def releaseUrl = "https://ossrh-staging-api.central.sonatype.com/service/local/staging/deploy/maven2/"
-            def snapshotUrl = "https://central.sonatype.com/repository/maven-snapshots/"
-            url = version.endsWith('-SNAPSHOT') ? snapshotUrl : releaseUrl
-            credentials {
-                username = rootProject.ext["ossrhUsername"]
-                password = rootProject.ext["ossrhPassword"]
-            }
-        }
-    }
+    // Remove the repositories block - it's handled by nexus-publish-plugin in setup.gradle
     publications {
         mavenJava(MavenPublication) {
             from components.java

scripts/setup.gradle

@@ -2,6 +2,8 @@
 ext["signing.keyId"] = ''
 ext["signing.password"] = ''
 ext["signing.secretKeyRingFile"] = ''
+// NOTE: These should be Central Portal User Tokens, not OSSRH tokens
+// Generate tokens at: https://central.sonatype.com/account
 ext["ossrhUsername"] = ''
 ext["ossrhPassword"] = ''
 ext["sonatypeStagingProfileId"] = ''
@@ -22,7 +24,7 @@ ext["signing.keyId"] = System.getenv('SIGNING_KEY_ID') ?: ext["signing.keyId"]
 ext["signing.password"] = System.getenv('SIGNING_PASSWORD') ?: ext["signing.password"]
 ext["signing.secretKeyRingFile"] = System.getenv('SIGNING_SECRET_KEY_RING_FILE') ?: ext["signing.secretKeyRingFile"]
 
-// Set up Sonatype repository
+// Set up Sonatype repository using OSSRH Staging API
 nexusPublishing {
     repositories {
         sonatype {