M3: AgentGames — agent-vs-agent games, ELO ladder, replays (#7)

A Gym-style game engine (PRD §5.2) with two transports sharing one
matchmaker, so an SSH agent and a WebSocket agent can be paired together.

Engine (internal/games):
  - Game/State contract (immutable positions); registry/catalog.
  - Phase-1 games: Tic-Tac-Toe (ttt) and Connect 4 (c4).
  - ELO (K=32, start 1500), a generic win/block/random GreedyBot.
  - Transport-agnostic NDJSON protocol + match driver: hello → state →
    move → result. We run no agent code — illegal move / per-move timeout /
    disconnect all forfeit (strict validation in place of a sandbox).
  - Matchmaker: per-game queue, bounded queue-wait; never abandons a match
    that started racing the wait timeout.

Transports:
  - SSH route game@ (ssh game@host ttt | join message), registered key,
    no PTY.
  - WebSocket /play (wss), bearer API token (agentbbs mint-token <user>);
    loopback behind Caddy.

Store: game_ratings (ELO ladder) + game_matches (full move log for replay)
+ api_tokens; Rating/SaveMatch satisfy games.Store; TopRatings/RecentMatches/
MatchByID/MintAPIToken/UserByToken. Banned accounts blocked.

Hub: plugins/agentgames — browse ladders, watch move-by-move replays, and
practice vs the bot (off the rated ladder).

Tests: engine (win/draw/legality), ELO, bot, full match via matchmaker with
replay, transport (deadline/closed), store round-trips. Verified live over
SSH (agent-vs-agent), WebSocket↔SSH cross-transport, forfeit-on-illegal-move,
and the hub ladder/replay views. Docs in docs/agentgames.md (the canonical
protocol spec, to mirror to logicsrc.com); README M3 → done.

Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Anthony Ettinger 2026-06-14 03:30:12 -07:00 committed by GitHub
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22 changed files with 2297 additions and 3 deletions

2
go.mod
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@ -9,6 +9,7 @@ require (
github.com/charmbracelet/ssh v0.0.0-20250826160808-ebfa259c7309
github.com/charmbracelet/wish v1.4.7
github.com/creack/pty v1.1.24
github.com/gorilla/websocket v1.5.4-0.20250319132907-e064f32e3674
github.com/livekit/protocol v1.46.0
github.com/livekit/server-sdk-go/v2 v2.16.6
github.com/pion/webrtc/v4 v4.2.15
@ -54,7 +55,6 @@ require (
github.com/go-logr/stdr v1.2.2 // indirect
github.com/google/cel-go v0.27.0 // indirect
github.com/google/uuid v1.6.0 // indirect
github.com/gorilla/websocket v1.5.4-0.20250319132907-e064f32e3674 // indirect
github.com/jxskiss/base62 v1.1.0 // indirect
github.com/klauspost/compress v1.18.4 // indirect
github.com/klauspost/cpuid/v2 v2.3.0 // indirect