Implement Secure Session Management with JWT

[Divineifed1]

Type: Security

Description:
Add proper authentication session management using JWT tokens with automatic refresh.

Tasks:

• Create JWT token generation on wallet connect
• Implement token refresh before expiry
• Add secure token storage
• Implement session revocation
• Add CSRF protection

Acceptance Criteria:

• Sessions last 24 hours without re-login
• Tokens are securely stored
• Session hijacking is prevented

[No-bodyq]

Hello
I will love to work on this issue
I am a full stack developer with strong backend experience
I have read the issue description and I am certain I can handle it
Please assign

[grantfox-oss]

🦊 GrantFox — @No-bodyq has been assigned to this issue as part of the Official Campaign campaign!

Next steps:

1. Open a Pull Request referencing this issue (e.g., Closes #12)
2. Your PR will be reviewed by the Exquisify maintainers

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