this derivation will be built:
  /nix/store/xh3rrlqslssqhsgw9zbwal8yhvbpa1if-spaces-integration-confirm-test.drv
building '/nix/store/xh3rrlqslssqhsgw9zbwal8yhvbpa1if-spaces-integration-confirm-test.drv'
spaces-integration-confirm-test> PASS: confirm popup surfaces the request and writes each verdict

post-build step Upload to niks3: ok
time=2026-09-01T14:21:56.642Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-01T14:21:56.961Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-01T14:21:57.310Z level=INFO msg="Upload complete. (714ms)"