oh-my-codex v0.18.1

0.18.1 is a release-readiness patch for the 0.18.x train. It keeps the 0.18 API/SparkShell/runtime work intact while fixing the blockers found during the final dev-to-main release review.

Highlights

• Plugin installs now use a pinned OMX launcher — materialized plugin caches include hooks/omx-command.json, so native plugin hooks invoke the installed package CLI instead of whatever omx happens to be on PATH.
• Plugin hook failures are safer — malformed launcher pins fail closed; ambient omx is only used for compatibility when no pin file exists.
• Ultragoal state mutations are serialized — goal creation, steering, checkpointing, and review-blocker writes now run behind a mutation lock, with atomic plan writes to reduce race/corruption risk.
• Release packaging is cleaner — npm package contents now exclude crate-local .omx runtime caches, and the release smoke path verifies the packed install surface.
• Release metadata is synchronized — npm, Cargo workspace, lockfiles, and the bundled plugin manifest all declare 0.18.1.

Also included since v0.18.0

• Lore co-author enforcement defaults to opt-in.
• Autopilot now defaults to Ultragoal and keeps quality gates returning to ralplan.
• SparkShell diagnostics gained team-aware pane observation and more stable output.
• Windows native hook UTF-8 forwarding and Windows SparkShell native shell mode were fixed.
• Plugin-scoped hook setup and verifier behavior were stabilized.
• Ralph, performance-goal, autoresearch, and stale runtime stop-loop handling were tightened.
• Notification, HUD/tmux, sidecar, and resource-leak cleanup fixes landed across the runtime.

Verification

• npm run build
• npm run verify:plugin-bundle
• Targeted Node release-blocker tests for plugin layout, setup install mode, native hooks, sparkshell packaging, package bin contract, ultragoal artifacts, and tmux pane behavior
• cargo check --workspace
• npm pack --dry-run --json confirmed oh-my-codex-0.18.1.tgz with zero .omx cache leaks
• Main CI: https://github.com/Yeachan-Heo/oh-my-codex/actions/runs/26205946646
• Release CI: https://github.com/Yeachan-Heo/oh-my-codex/actions/runs/26205946935

Release verdict

Code review verdict: APPROVE. Architect release gate: CLEAR.

Full Changelog: v0.18.0...v0.18.1