refactor: add modular structure & cli enhancements

[geekyharsh05]

Improvements

• Modular architecture with separated concerns
• Added login command with authentication and auth check to list command!
• Worker deployed and fully functional!

[Copilot]

Pull Request Overview

This PR adds authentication flows and R2-based file management to the API, modularizes routes, and centralizes environment configuration.

• Introduce typed environment validation using @t3-oss/env-core and Zod
• Refactor email service to use Resend via a central config
• Add R2 client helpers and modular Hono routers for auth and file operations

Reviewed Changes

Copilot reviewed 19 out of 22 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
src/types/email.ts	Define SendConfirmationMailParams interface
src/types/app.ts	Add AppBindings and AppEnv types
src/services/resend/send-mail.ts	Update imports and remove inline interface
src/services/resend/resend-service.ts	Use central config for API key and from-address
src/services/R2/R2-service.ts	Implement R2 client, presigned URL, list/delete APIs
src/routes/files.route.ts	Modularize file routes with JWT middleware
src/routes/auth.route.ts	Modularize auth routes
src/middleware/index.ts	Create JWT middleware via factory
src/lib/factory.ts	Initialize Hono factory for typed environment
src/lib/env.ts	Validate and expose server-side env variables
src/lib/config.ts	Map validated env into runtime config
src/index.ts	Wire up auth and file routers to the app
src/controllers/files.controller.ts	Handlers for presigned URL, listing, deleting files
src/controllers/auth.controller.ts	Handlers for email confirmation and verification
src/config.ts	Remove hardcoded config
package.json	Add env-core, Zod; remove unused email-render deps
.dev.vars.example	Document new env vars for JWT, Resend, and R2
cli/src/index.ts	Add login command and require auth for list
cli/src/config.ts	Update CLI endpoints to new /auth and /files paths

[devsargam]

nice work