docs: verify Codex marketplace readiness (#1931)

docs/releases/2.0.0-rc.1/publication-readiness.md

@@ -31,6 +31,7 @@ follow-up evidence refresh after PR #1921, see
 | Claude plugin slug | `ecc` / `ecc@ecc` install path | `.claude-plugin/plugin.json`, `.claude-plugin/marketplace.json` | `node tests/hooks/hooks.test.js` | `publication-evidence-2026-05-12.md` | Plugin owner | Evidence recorded |
 | Claude plugin manifest | `2.0.0-rc.1`, no unsupported `agents` or explicit `hooks` fields | `.claude-plugin/plugin.json`, `.claude-plugin/PLUGIN_SCHEMA_NOTES.md` | `claude plugin validate .claude-plugin/plugin.json` | `publication-evidence-2026-05-12.md` | Plugin owner | Evidence recorded |
 | Codex plugin manifest | `2.0.0-rc.1` with shared skill source | `.codex-plugin/plugin.json` | `node tests/docs/ecc2-release-surface.test.js` | `publication-evidence-2026-05-12.md` | Plugin owner | Evidence recorded |
+| Codex repo marketplace | `ecc@2.0.0-rc.1` exposed through `.agents/plugins/marketplace.json` | `.agents/plugins/marketplace.json`, `.codex-plugin/README.md` | `HOME="$(mktemp -d)" codex plugin marketplace add <local-checkout>` | `publication-evidence-2026-05-15.md` | Plugin owner | Repo-marketplace path verified; official Plugin Directory publishing coming soon |
 | OpenCode package | `ecc-universal` plugin module | `.opencode/package.json`, `.opencode/index.ts` | `npm run build:opencode` | `publication-evidence-2026-05-12.md` | Package owner | Evidence recorded |
 | Agent metadata | `2.0.0-rc.1` | `agent.yaml`, `.agents/plugins/marketplace.json` | `node tests/scripts/catalog.test.js` | `publication-evidence-2026-05-12.md` | Release owner | Evidence recorded |
 | Migration copy | rc.1 upgrade path, not GA claim | `release-notes.md`, `quickstart.md`, `HERMES-SETUP.md` | `npx markdownlint-cli '**/*.md' --ignore node_modules` | `publication-evidence-2026-05-13.md` | Docs owner | Evidence recorded |
@@ -42,7 +43,7 @@ follow-up evidence refresh after PR #1921, see
 | GitHub release | Tag exists, release notes use final URLs, assets attached if needed | `gh release view v2.0.0-rc.1 --json tagName,url,isPrerelease` | `Blocker: release not found on 2026-05-12` | Release owner | Pending approval |
 | npm package | `npm pack --dry-run` has expected files, version matches, rc goes to `next` | `npm pack --dry-run` and `npm publish --tag next --dry-run` where supported | `Blocker: actual publish requires approval; dry run passed with next tag` | Package owner | Dry-run passed |
 | Claude plugin | Manifest validates, marketplace JSON points to public repo, install docs match slug | `claude plugin validate .claude-plugin/plugin.json`; `claude plugin tag .claude-plugin --dry-run`; isolated temp-home install smoke | `Blocker: real tag creation/push requires approval` | Plugin owner | Clean-checkout dry-run and install smoke recorded |
-| Codex plugin | Manifest version matches package and docs, hook limitations are explicit | `node tests/docs/ecc2-release-surface.test.js` | `Blocker: marketplace submission path still manual/owner-gated` | Plugin owner | Evidence recorded |
+| Codex plugin | Manifest version matches package and docs, repo marketplace points at the plugin root, and OpenAI's current official Plugin Directory status is recorded | `node tests/docs/ecc2-release-surface.test.js`; `node tests/plugin-manifest.test.js`; `codex plugin marketplace add --help`; temp-home `codex plugin marketplace add <local-checkout>` | `Blocker: official Plugin Directory publishing and self-serve management are documented as coming soon` | Plugin owner | Repo-marketplace distribution verified; official directory pending |
 | OpenCode package | Build output is regenerated from source and package metadata is current | `npm run build:opencode` | `Blocker: none for local build; public distribution still follows npm/plugin release` | Package owner | Evidence recorded |
 | ECC Tools billing reference | Any billing claim links to verified Marketplace/App state | `env -u GITHUB_TOKEN gh repo view ECC-Tools/ECC-Tools --json nameWithOwner,isPrivate,viewerPermission` plus internal `/api/billing/readiness?accountLogin=<marketplace-test-account>` readback | `Blocker: ECC-Tools #73 added announcementGate; live Marketplace test-account readback must return announcementGate.ready === true before payment announcement` | ECC Tools owner | Code gate recorded; live billing readback pending |
 | Announcement copy | X, LinkedIn, GitHub release, and longform copy point to live URLs | `rg -n "TODO" docs/releases/2.0.0-rc.1` and repeat for `TBD` | `Blocker: final live release/npm/plugin URLs do not exist yet` | Release owner | Pending |