- Vendor Standard Webhooks signer (DripDrop.Channels.Webhook.Signer) to remove git-only dep
- Add LICENSE (MIT) and Hex badges; switch ecto_evolver to Hex package
- Outbound demo: review fixes (slim tick handler, defer mount queries, MapSet membership, centralized sender defaults, named rest constants, fetch_enrollment helper)
- Add fly.io deploy artifacts (Dockerfile, fly.toml, release.ex, env.sh.eex, overlays/bin/{server,migrate})
- Add Neon SSL/SNI runtime config for demo
- Add DripdropDemo.Jobs.PruneSequenceRuns pgflow scheduled job
- Add outbound LiveView test fixture, simulator tests, prune job tests, seeds test
- Archive openspec change add-dripdrop-demo-app and sync to main specs