feat: pom fetcher

backend/.env.dist.local

@@ -185,9 +185,9 @@ ENRICHER_BATCH_SIZE=100
 ENRICHER_REPO_UPDATE_INTERVAL_HOURS=24
 ENRICHER_IDLE_SLEEP_SEC=60
 
-OSSPCKGS_GCP_PROJECT=
-OSSPCKGS_GCS_BUCKET=
-OSSPCKGS_GCP_CREDENTIALS_B64=
+OSSPCKGS_GCP_PROJECT=local-dev
+OSSPCKGS_GCS_BUCKET=local-dev
+OSSPCKGS_GCP_CREDENTIALS_B64=e30=
 
 # osv-sync (Temporal-scheduled; see services/apps/packages_worker/src/osv/schedule.ts)
 # OSV_ECOSYSTEMS uses OSV's canonical bucket case (npm lowercase, Maven titlecase) because
@@ -199,3 +199,12 @@ OSV_ECOSYSTEMS=npm,Maven
 OSV_TMP_DIR=/tmp/osv
 OSV_BATCH_SIZE=500
 OSV_DERIVE_BATCH_SIZE=1000
+# maven enricher
+
+POM_FETCHER_BATCH_SIZE=2000
+POM_FETCHER_CONCURRENCY=10
+POM_FETCHER_NON_CRITICAL_BATCH_SIZE=500
+POM_FETCHER_NON_CRITICAL_CONCURRENCY=20
+POM_FETCHER_REFRESH_DAYS=1
+POM_FETCHER_GROUP_DELAY_MS=100
+POM_FETCHER_MAVEN_BASE_URL=https://maven-central.storage-download.googleapis.com/maven2