fix: comprehensive TypeScript/build fixes and modernization

- Update tsconfig to ES2024 target and bundler moduleResolution
- Add dynamic imports for chart.js and recharts (bundle optimization)
- Consolidate 17 useState into useReducer in sessions page
- Fix 18 .js extension imports across lib files
- Add type declarations for @rapideditor/country-coder
- Fix platform user types (PlatformUserRole enum)
- Fix Calendar component prop types
- Centralize next-auth type augmentation
- Add force-dynamic to all API routes (prevent build-time prerender)
- Fix Prisma JSON null handling with Prisma.DbNull
- Fix various type mismatches (SessionMessage, ImportRecord, etc.)
- Export ButtonProps from button component
- Update next-themes import path
- Replace JSX.Element with React.ReactElement
- Remove obsolete debug scripts and pnpm lockfile
- Downgrade eslint to v8 for next compatibility

tsconfig.json

@@ -6,11 +6,11 @@
     "incremental": true,
     "isolatedModules": true,
     "jsx": "preserve",
-    "lib": ["dom", "dom.iterable", "esnext"],
-    "module": "esnext",
-    "moduleResolution": "node",
+    "lib": ["dom", "dom.iterable", "ES2024"],
+    "module": "ESNext",
+    "moduleResolution": "bundler",
     "noEmit": true,
-    "noImplicitAny": false, // Allow implicit any types
+    "noImplicitAny": false,
     "paths": {
       "@/*": ["./*"]
     },
@@ -23,14 +23,14 @@
     "skipLibCheck": true,
     "strict": true,
     "strictNullChecks": true,
-    "target": "es5"
+    "target": "ES2024"
   },
-  "exclude": ["node_modules"],
+  "exclude": ["node_modules", "tests"],
   "include": [
     "next-env.d.ts",
+    "types/**/*.d.ts",
     "**/*.ts",
     "**/*.tsx",
-    ".next/types/**/*.ts",
-    "components/SessionDetails.tsx.bak"
+    ".next/types/**/*.ts"
   ]
 }