* fix(admin): restore i18n on /admin by copying locales to the right path
The admin SPA fetches `/admin/locales/<lang>.json`. Building with
vite-plugin-static-copy and `src: '../src/locales'` was placing the
115 core locale files at `src/templates/admin/src/locales/` (the
plugin's `dirClean` strips a leading `../` but keeps the remaining
parent path). The express admin handler 404'd those fetches, fell
back to serving `index.html`, JSON.parse silently failed, and every
`<Trans>` rendered its raw key — see #7586.
Replace the plugin with a small inline build/dev plugin: at build
time copy `src/locales/*.json` to `<outDir>/locales/`; in dev serve
the same files via middleware so `vite dev` also works. Drop the
now-unused `vite-plugin-static-copy` dependency.
Add regression coverage that none of the existing admin specs had:
- backend HTTP test for GET /admin/locales/{en,de}.json
- Playwright admin i18n spec asserting translated <h1> renders for
the default locale and for ?lng=de, plus a request-level check
that the response is JSON, not the SPA fallback.
Closes#7586
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* refactor(admin): bundle locales via import.meta.glob, drop copy plugin
The first pass at #7586 replaced vite-plugin-static-copy with a
custom build/dev plugin that copied src/locales/*.json into the
admin output and served them in dev. That works, but the
vite-plugin-static-copy README explicitly recommends the public
directory or a JS import for this case, and the import path is
strictly cleaner: no copy step, no /admin/locales/* express route,
no SPA-fallback-shaped failure mode.
Use import.meta.glob in admin/src/localization/i18n.ts so each
language ships as its own hashed JSON chunk and is lazy-loaded on
demand. The vite config goes back to just react + base + outDir.
The plugin namespaces (e.g. ep_admin_pads) keep their existing
admin/public/<ns>/<lang>.json layout.
Tests:
- Drop tests/backend/specs/adminLocales.ts — it asserted on a
/admin/locales/<lang>.json route that this approach no longer
uses; the regression mechanism it pinned doesn't exist anymore
and the test required the admin frontend to be built before the
backend test runs (which CI doesn't do).
- Keep tests/frontend-new/admin-spec/admini18n.spec.ts (rendered
<h1> in default and ?lng=de). Verified red→green: reverting just
the loader to the pre-fix /admin/locales fetch makes both specs
fail; restoring makes them pass.
Also update pnpm-lock.yaml to drop the now-unused
vite-plugin-static-copy entries — fixes ERR_PNPM_OUTDATED_LOCKFILE
that was failing every CI install upfront.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
