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Josh Creek
3aa0f5b9c2
Queued matchmaking had never been considered anywhere in the planning docs - not as planned work, and not even on the explicitly-deferred list. It is a launch requirement, so record the design before code. Add docs/MATCHMAKING.md covering the model change (community-server -> per-match allocation), the decision to use Steam for identity and a project-owned backend for queue/rating/allocation, what the existing server already provides (--max-matches=1 is the allocation primitive, ServerConfig, the roster, MatchState), the casual/ranked ruleset split, and the open questions - rating algorithm, team-to-individual rating, and the server cost that allocated matches reintroduce. Ranked is hard-blocked on Phase 7 Steam auth tickets: slot reclaim is keyed by display name today, and a rating on a spoofable identity is worse than no rating. Add Phase 8 to multiplayer-next.md, and correct README/CLAUDE.md/ TECH_STACK.md, which asserted no backend exists or is planned - true before this was scoped, wrong now.