Design Discussions

Discussion history and the reasoning behind trade-offs. Conclusions are distilled into development/ and AGENTS.md; what stays here is the reasoning and the references.

FileSummary
documentation-styleProtocol documentation three-layer model — overview/diagram/reference, and why overviews must be human-written
positioningReference set of industry products and open-source implementations, the basis for positioning trade-offs
dependency-candidatesExternal dependencies not yet approved: candidates, what they serve, who decides