[TESTING] Test edge cases: empty data and max limits

[dev-fatima-24]

Priority: medium

Description

The system should behave correctly at boundary conditions: empty arrays, maximum string lengths, and maximum record counts per wallet.

Acceptance Criteria

• Backend: empty records array from contract returns { verified: false, records: [] }
• Backend: vaccine name exceeding max length returns 400
• Frontend: Patient Dashboard renders correctly with 0 records
• Frontend: Patient Dashboard renders correctly with 100+ records (pagination)
• Python service: POST /batch/verify handles a list of 1000 wallets without timeout

[kingdavid0016]

@kingdavid0016 has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Hi I'm a full stack developer I'll like to work on this issue because It picks my interest and Ive got experience with similar projects I'll have it solved in 24 hours or less

ℹ️ Repo Maintainers: To accept this application, review their application or assign @kingdavid0016 to this issue.

[drips-wave]

Congratulations, @kingdavid0016! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 2, 2026.

🧑‍💻 @kingdavid0016: 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.

Warning

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