Implement NFT search by metadata fields

[Samuel1-ona]

Allow querying NFTs by rarity, tier, hunt_id, or creator.

Acceptance Criteria:

• search_nfts function with filter parameters
• Support filtering by rarity range
• Support filtering by hunt_id
• Paginated results

[ndyugwu]

@ndyugwu has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

i would like to work on this kindly assign me

ℹ️ Repo Maintainers: To accept this application, review their application or assign @ndyugwu to this issue.

[Menjay7]

@Menjay7 has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hi! I’m a full-stack developer with a strong blockchain background. I’d love to handle this issue and can deliver a clean, reliable solution. Kindly assign it to me.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Menjay7 to this issue.

[madisonsc52-del]

@madisonsc52-del has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

​Hi maintainer, I would love to work on this issue. I can get started on it right away. Could you please assign it to me?

ℹ️ Repo Maintainers: To accept this application, review their application or assign @madisonsc52-del to this issue.

[drips-wave]

Congratulations, @Menjay7! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 30, 2026.

🧑‍💻 @Menjay7: 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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