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

lib/types.ts

@@ -1,13 +1,14 @@
+import type { UserRole } from "@prisma/client";
 import type { Session as NextAuthSession } from "next-auth";
 
-export interface UserSession extends NextAuthSession {
+export interface UserSession extends Omit<NextAuthSession, "user"> {
   user: {
     id?: string;
-    name?: string;
+    name?: string | null;
     email?: string;
-    image?: string;
+    image?: string | null;
     companyId: string;
-    role: string;
+    role: UserRole;
   };
 }