Add full shell, replaceable Omics adapter and bilingual interaction

Implement approved specification #32 and tickets #33-#37. Keep host authentication server-verified and pin session interaction language. Compile scoped base selectors for browser compatibility and retain full gutters during CSS pruning.

frontend/package.json

@@ -3,6 +3,7 @@
   "private": true,
   "type": "module",
   "scripts": {
+    "prebuild": "node --test scripts/scoped-base.test.mjs",
     "dev": "vite",
     "prototype:database-management": "vite --config vite.database-management-prototype.config.ts",
     "prototype:administration-pages": "vite --config vite.administration-pages-prototype.config.ts",
@@ -13,9 +14,11 @@
     "preview": "vite preview",
     "test": "vitest run",
     "test:watch": "vitest",
+    "check:i18n": "node scripts/check-i18n.mjs",
     "e2e": "playwright test"
   },
   "dependencies": {
+    "@ag-grid-community/locale": "36.0.0",
     "@base-ui/react": "^1.6.0",
     "@fontsource-variable/geist": "^5.2.9",
     "@tanstack/react-query": "^5.59.0",