Four Primitives, Three Reviews: How a Contributor PR Reshaped a Roadmap

TL;DR claude-code-slack-channel v0.4.0 shipped Casey Margell's allowBotIds PR on 2026-04-18. The merge forced a direction question the roadmap hadn't yet answered: with peer bots now able to deliver into the channel, what is the project becoming ? Four issues were filed in response — thread-scoped sessions (#32), a declarative policy engine (#29), a threaded action journal (#30), and a bot-manifest protocol (#31). Before writing a single line of code, the project ran the four proposals through p