2026-05-27 15:25:20 -04:00
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---
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name: scanner-user-cards-quantity-guard
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classification: fix
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success_metric: |
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POST /api/user-cards rejects non-numeric and sub-1 quantity with 400, matching
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the decks/[id]/cards handler contract.
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depends_on:
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- redesign-scanner-flow
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2026-05-27 15:28:04 -04:00
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status: closed
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2026-05-27 15:25:20 -04:00
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created: 2026-05-27
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---
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# Convoy: scanner-user-cards-quantity-guard
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P2 follow-up from `audit-redesign-scanner-flow-44` reviewer report.
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## Scope
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- `pages/api/user-cards.js` — `parseInt(quantity, 10)` + NaN / `< 1` guard on POST
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## Acceptance criteria
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1. `quantity: "abc"` → 400 `Quantity must be at least 1`
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2. `quantity: 0` → 400
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3. Valid integer ≥ 1 uses parsed value for INSERT and UPDATE increment
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