Chat Phase 2b-2b/c — ephemeral messages + in-app help + all-threads + lightbox zoom#241

jaylfc merged 12 commits intomasterjaylfc/tinyagentos:masterfrom

feat/chat-phase-2b-2b-ephemeral-polishjaylfc/tinyagentos:feat/chat-phase-2b-2b-ephemeral-polishCopy head branch name to clipboard