Channels

Channels are the Source and the Target: they verify and normalize inbound webhooks, and they deliver nudges, thread cards and DMs back.

📄️ Slack

Create the Slack app from a manifest, wire the three ingress URLs, install, invite the bot, and confirm the round trip.

Ed25519-verified Interactions ingress, ephemeral nudges, thread replies and /async — plus the one thing Discord will not deliver by webhook.