Modernize app with TypeScript, Next.js 16, Redux typing, and Prisma 7

[Hazem-GitHub]

Summary

Modernizes the project foundation by migrating the app to TypeScript and the /src directory structure, updating to Next.js 16, strengthening Redux typing, and upgrading Prisma schema/configuration for the latest Prisma version.

Changes

• Migrated app source into the /src directory structure
• Updated project to Next.js 16
• Migrated JavaScript files to TypeScript/TSX
• Updated tsconfig.json for current TypeScript behavior
• Added strongly typed Redux store exports:
  • AppStore
  • RootState
  • AppDispatch
• Added typed Redux hooks:
  • useAppSelector
  • useAppDispatch
• Strongly typed Redux slices and reducer payloads
• Updated Redux consumers to use typed hooks
• Fixed Redux-dependent TypeScript issues across cart, product, order, navbar, and product detail components
• Upgraded Prisma schema for Prisma 7 compatibility
• Moved Prisma datasource URL config into prisma.config.ts
• Removed deprecated Prisma datasource fields and preview features
• Updated Prisma client generator configuration
• Added generated Prisma client output to .gitignore
• Resolved package vulnerabilities through dependency updates
• Fixed remaining TypeScript issues for file uploads, dashboard data, JSX props, coupon typing, and textarea props

Verification

• Ran:

npx tsc --noEmit --pretty false

• TypeScript passes successfully
• Redux selector type errors are resolved
• Prisma schema no longer uses deprecated datasource URL fields or deprecated preview feature config