{
 "default": [],
 "hosts": {
  "macmini": {
   "ssh": "macmini",
   "root": "code/horizon-parity",
   "shell": "zsh -lc",
   "setup": "source ~/.cargo/env && export JAVA_HOME=$(/usr/libexec/java_home -v 25) && export PATH=$JAVA_HOME/bin:$PATH",
   "python": "/opt/homebrew/bin/python3.13",
   "rsync": "/opt/homebrew/bin/rsync",
   "jobs": 14,
   "exclude": {}
  },
  "desktop": {
   "ssh": "desktop",
   "root": ".actions-runners/horizon/parity-host",
   "shell": "systemd-run --user --scope --quiet --slice=horizon-ci.slice --unit=horizon-parity-worker-$$ bash -c",
   "setup": "test ! -e ~/.actions-runners/horizon/paused && set -a && . ~/.actions-runners/horizon/.env && set +a && export PATH=$(cat ~/.actions-runners/horizon/.path) && eval \"$(vscreen env)\"",
   "jobs": 8,
   "nice": 19,
   "note": "ludodesktop, the maintainer's own machine: only while nobody uses it (tools/ci/runner_pause.py: screen locked or untouched for 15 min, no game; a paused desktop refuses workers and stops the running ones, whose harnesses then run here); 8 jobs at most, in the CI runner's environment and slice"
  },
  "playhorizon": {
   "ssh": "ludovic@playhorizon",
   "root": ".actions-runners/horizon/parity-host",
   "shell": "systemd-run --user --scope --quiet --slice=horizon-ci.slice --unit=horizon-parity-worker-$$ taskset -c 0-3 bash -c",
   "setup": "test ! -e ~/.actions-runners/horizon/paused && set -a && . ~/.actions-runners/horizon/.env && set +a && export PATH=$(cat ~/.actions-runners/horizon/.path) && unset WAYLAND_DISPLAY && export DISPLAY=:$(cat ~/.actions-runners/horizon/display)",
   "python": "python3.13",
   "jobs": 3,
   "nice": 10,
   "exclude": {
    "mob_ai": "the vanilla oracle runs out of its 3 GB heap here (OutOfMemoryError in IO workers; passes on the desktop and the Mac) - 2026-10-26 trial",
    "lan_integration": "two clients rendered on the CPU (lavapipe): different timing subtests fail on each run (elytra, consume-release, barter, critical-hits) - 2026-10-26 trial",
    "world_reopen": "failed twice here (no Save and Quit button after reopening; the minecart-count flake), passes on the desktop - 2026-10-26 trial",
    "remote_fireball": "fails here even alone, at bare main 3b19c386c (2 of 2 runs and the retry), and passes on the Mac mini: the guest's egg is seen in 2 of 6 samples. CPU-starved: the whole horizon-ci slice (runner on 4-7, workers on 0-3) shares a 700% quota and was throttled in 27% of periods, so lavapipe frames and screenshots outlast the projectile's flight - 2026-10-27",
    "remote_fireworks": "fails here even alone, at bare main 3b19c386c (2 of 2 runs and the retry), and passes on the Mac mini: the guest's sparks are gone by its trail screenshot (same CPU starvation as remote_fireball; a private Xvfb on CPUs 0-3 did not help) - 2026-10-27"
   },
   "note": "a partner's server (Ubuntu, 8 EPYC threads, 30 GB, Detroit; tailnet only), its CI runner has CPUs 4-7, so workers get 0-3 (as tools/remote.sh runs do) and 3 jobs, in the CI runner's environment, slice and Xvfb screen (tools/ci/linux-runner.sh); the always-on Linux host since the ThinkPad stopped running harnesses (2026-10-26)"
  }
 },
 "local_only": {
  "save_roundtrip": "runs the game on a virtual screen (vscreen) with a null ALSA device, or offscreen in the logged-in macOS session"
 },
 "linux_only": {},
 "solo": {
  "remote_fireball": "two game windows (lan_e2e); on 4 CPUs beside other harnesses, screenshots and control requests take ticks the check needs",
  "remote_fireworks": "two game windows (lan_e2e); a screenshot took ~1.5 s beside 3 other harnesses on playhorizon's runner, past the sparks' life (2026-10-27)",
  "server_player_sculk": "two game windows (lan_e2e); failed on playhorizon's runner beside other harnesses, passes alone (2026-10-27)",
  "world_reopen": "a game window reopening a world: failed on playhorizon's runner beside other harnesses (2026-10-27)"
 },
 "named_only": {
  "lan_integration": "the whole lan_e2e suite: ~40 min a run on a loaded runner, and single checks flake under load; run it by name, or tools/lan_e2e.py"
 },
 "known_flaky": {
  "world_reopen": "counted 4 minecarts instead of 3 once on a loaded Mac mini runner, then passed at the same head (10-26)"
 }
}