feat: initialize frontend monorepo with pnpm workspace and types package

- Add pnpm workspace configuration with apps/ and packages/
- Create @effigenix/types package with OpenAPI type generation setup
- Add TypeScript strict mode configuration
- Configure ESLint and Prettier for code quality
- Add wrapper files for clean type exports (auth, user, role, common)
- Add custom UI types and enums

frontend/tsconfig.base.json

@@ -0,0 +1,50 @@
+{
+  "compilerOptions": {
+    // Type Checking
+    "strict": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "noFallthroughCasesInSwitch": true,
+    "noImplicitReturns": true,
+    "exactOptionalPropertyTypes": true,
+
+    // Modules
+    "module": "ESNext",
+    "moduleResolution": "Bundler",
+    "resolveJsonModule": true,
+    "allowSyntheticDefaultImports": true,
+    "esModuleInterop": true,
+
+    // Emit
+    "declaration": true,
+    "declarationMap": true,
+    "sourceMap": true,
+    "composite": true,
+    "incremental": true,
+    "noEmit": false,
+
+    // JavaScript Support
+    "allowJs": false,
+    "checkJs": false,
+
+    // Interop Constraints
+    "isolatedModules": true,
+    "verbatimModuleSyntax": true,
+    "forceConsistentCasingInFileNames": true,
+
+    // Language and Environment
+    "target": "ES2022",
+    "lib": ["ES2022"],
+    "jsx": "react-jsx",
+
+    // Completeness
+    "skipLibCheck": true
+  },
+  "exclude": [
+    "node_modules",
+    "dist",
+    "build",
+    ".turbo",
+    "coverage"
+  ]
+}