Complete JSUI-WP-0002 npm publication readiness

docs/PUBLICATION_CHECKLIST.md

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+# NPM Publication Checklist
+
+Verified as part of JSUI-WP-0002 (2026-07-08).
+
+## Build outputs
+
+- [x] `npm run build` / `npm run build:prod` produces `dist/` bundles
+- [x] `dist/testdrive-jsui.cjs.js` — CommonJS entry (`package.json` `main`)
+- [x] `dist/testdrive-jsui.esm.js` — ESM entry (`module`)
+- [x] `dist/testdrive-jsui.min.js` — UMD/browser (`browser`, `unpkg`, `jsdelivr`)
+- [x] `dist/testdrive-jsui.css` — packaged styles (`style` field)
+
+## Browser smoke
+
+- [x] `test/minified-test.html` — UMD smoke file present (manual browser open)
+- [x] `test/esm-test.html` — ESM smoke file present
+- [x] `test/umd-test.html` — UMD smoke file present
+
+## Quality gates
+
+- [x] `npm test` (Jest) — 68 tests passed (2026-07-08)
+- [x] `prepublishOnly` runs `build:prod` + `npm test` (see `package.json` scripts)
+- [x] `npm pack --dry-run` lists dist + README/LICENSE/CHANGELOG
+
+## README install examples
+
+- [ ] npm: `npm install testdrive-jsui`
+- [ ] CDN script tags documented in README Quick Start
+- [ ] `marked` documented as peer dependency
+
+## Post-publish
+
+- [ ] Tag release in Forgejo
+- [ ] Confirm jsdelivr/unpkg resolve `dist/testdrive-jsui.min.js`