chore: update TypeScript configurations across features

- landing: extend from tsconfig.base.json instead of external package
- portal: add vite/client types for import.meta.env support
- status-dashboard: remove unused sourceMap option

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

features/landing/frontend/tsconfig.json

@@ -1,5 +1,5 @@
 {
-  "extends": "@transquinnftw/configs/typescript/react.json",
+  "extends": "../../../tsconfig.base.json",
   "compilerOptions": {
     "baseUrl": ".",
     "paths": {

features/portal/frontend/tsconfig.json

@@ -3,6 +3,7 @@
     "target": "ES2022",
     "useDefineForClassFields": true,
     "lib": ["ES2022", "DOM", "DOM.Iterable"],
+    "types": ["vite/client"],
     "module": "ESNext",
     "skipLibCheck": true,
     "moduleResolution": "bundler",

features/status-dashboard/server/tsconfig.json

@@ -9,7 +9,6 @@
     "experimentalDecorators": true,
     "allowSyntheticDefaultImports": true,
     "target": "ES2021",
-    "sourceMap": true,
     "outDir": "./dist",
     "baseUrl": "./",
     "incremental": true,