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fix(multiplayer): fence roster topology at persistence

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Josh Creek
2026-09-01 16:20:31 +01:00
parent a439a1059b
commit 3dbecb0bd5
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multiplayer-next.md
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@@ -1408,3 +1408,5 @@ Allocated join admission now retains and applies the signed assignment’s autho
Allocated boot now also validates the complete signed roster shape before opening the gameplay endpoint: malformed claims, duplicate player identities, duplicate slots, and team/global-slot mismatches fail closed rather than leaving a partially usable server. The Godot `--check-only` attempt still reaches the known macOS renderer/ZSTD crash before script parsing, so this startup guard remains statically reviewed and covered by the existing signed-claim tests pending a working Godot runtime.
The control plane now mirrors that topology fence at roster publication: signed entries with duplicate players, duplicate slots, or a team inconsistent with the canonical global slot are rejected before durable assignment rows are written. Focused store tests cover forged topology and duplicate entries; normal/race Go suites and vet pass.
The backend roster persistence boundary now enforces the same duplicate-player, duplicate-slot, and team/global-slot invariants as Godot startup. This closes the remaining local consistency gap in task 8.31; production signer/client-ticket publication and live Agones verification remain external gates.