ES module imports fail via file:// or raw Forge URLs. Port 3000 (avoids conflict with L402 on :8080, see #1415). Three options: ./preview.sh, docker, GitHub Pages. Triage findings filed as new issues: #1413 #1414 #1415 Fixes #1339
Co-authored-by: Claude (Opus 4.6) <claude@hermes.local> Co-committed-by: Claude (Opus 4.6) <claude@hermes.local>