JWT Issuance & Refresh Token Support

[ahmadogo]

Description:

Issue access + refresh tokens after successful wallet authentication.

Tasks:

• Install @nestjs/jwt
• Add JWT signing logic (access + refresh tokens)
• Create /auth/refresh endpoint
• Store refresh tokens securely
• Add token expiration settings via config

Acceptance Criteria:

• Access token + refresh token issued on login
• Refresh flow returns new access token
• Invalid/expired refresh tokens handled correctly
• A screenshot of your server Running

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[RUKAYAT-CODER]

@RUKAYAT-CODER has applied to work on this issue as part of the Stellar Wave Program's 2nd wave.

Hi, am a full stack developer, i build solutions that ate robust, maintainable and robust. i have worked on similar project before. I will like to take up this task.

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[AbdulSnk]

@AbdulSnk has applied to work on this issue as part of the Stellar Wave Program's 2nd wave.

Hello maintainer, I would like to work on this issue.

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Congratulations, @AbdulSnk! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on February 26, 2026.

🧑‍💻 @AbdulSnk: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

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