Next.js Supabase V3 (#463)

Version 3 of the kit:
- Radix UI replaced with Base UI (using the Shadcn UI patterns)
- next-intl replaces react-i18next
- enhanceAction deprecated; usage moved to next-safe-action
- main layout now wrapped with [locale] path segment
- Teams only mode
- Layout updates
- Zod v4
- Next.js 16.2
- Typescript 6
- All other dependencies updated
- Removed deprecated Edge CSRF
- Dynamic Github Action runner

tooling/typescript/base.json

@@ -16,7 +16,9 @@
     "isolatedModules": true,
     "jsx": "preserve",
     "incremental": true,
-    "noUncheckedIndexedAccess": true
+    "noUncheckedIndexedAccess": true,
+    "noUncheckedSideEffectImports": false,
+    "types": ["node"]
   },
   "exclude": ["node_modules", "build", "dist", ".next"]
-}
+}

tooling/typescript/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@kit/tsconfig",
-  "private": true,
   "version": "0.1.0",
+  "private": true,
   "files": [
     "base.json"
   ]