Pads nomic-embed-text's 768 dims to 1024 zeros so a later 1024-dim model
swap is a re-embed, not a migration (per master spec).
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Job queue starts only in the CLI gate (not inside createApp), so tests
manage their own queue lifecycle. waitForJob() takes a (name, id) pair
to match pg-boss v10's getJobById signature.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Per-name ensureQueue promise dedup so concurrent enqueue+subscribe
on the same queue do not race createQueue (Postgres deadlock).
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
