Fix profile bugs: audit log cascade, modal colors, upload icon

Add full profile management features (avatar, inline edit, delete account)

Fix OTP: move to DB storage, cookie-free token URL params, fix notice banners

progress and cancel

phase 3 ig

Refactor email content generation and update email sending logic

feat: implement complete password recovery flow with OTP verification and transactional email templates.

feat: implement robust security middleware, authentication system, and frontend UI components