fix(test): enable network for ISO test (package downloads)

scripts/test-iso-build.sh

@@ -42,10 +42,11 @@ log "Output directory: $OUTPUT_DIR"
 log "Starting ISO build (this may take several minutes)..."
 log "Profile: $PROFILE_DIR"
 
+# Note: Network enabled for package downloads during build
+# Production builds should use pre-cached packages for --network=none
 $RUNTIME run \
     --name debate-test-build \
     --rm \
-    --network=none \
     --privileged \
     --tmpfs=/tmp:exec,mode=1777 \
     --tmpfs=/var/tmp:exec,mode=1777 \