☐ Approach

│ D3 — Which implementation approach should this plan follow?
│ Project/branch: gstack-plan-count-kMoX7Y / main — new StripePaymentWebhookHandler
│ ELI10: The plan has a SQL injection bug baked in — it explicitly says an external string goes raw into a SQL query.
│ That’s a hard blocker regardless of approach. The question is what else to fix in the same pass: just the blocker,
│ everything, or send the plan back for a full rewrite.
│ Stakes if we pick wrong: Approach A ships fast but leaves N+1 queries and no tests; approach C delays ship by days
│ with no guarantee the rewrite is better.
│ Recommendation: B because at CC+gstack speed, fixing all 5 issues costs ~15 minutes of implementation time versus ~5
│ for the minimal fix — the gap is negligible and the result is far more solid.
│ Completeness: A=7/10, B=10/10, C=8/10
│ Pros / cons:
│ A) Minimal Fix: patch SQL injection + email error handling, defer N+1 and tests (recommended)
│   ✅  Fastest path to a secure, shippable handler — blocks the critical vulnerability immediately
│   ✅  Smallest diff; least risk of introducing new issues in the same PR
│   ❌  N+1 queries remain and will create database load at payment burst volume
│   ❌  No automated tests — next refactor touching shared utils could silently break payment handling
│ B) Proper Integration: fix all 5 issues (SQL, email, N+1, tests, dispatcher) (recommended)
│   ✅  Fully secure and observable — parameterized queries, isolated email errors, eager-loaded orders
│   ✅  WebhookDispatcher integration means future webhooks get the same patterns automatically
│   ✅  Tests prevent silent regressions in shared utilities that touch this handler
│   ❌  More scope than minimal; requires understanding WebhookDispatcher internals before integrating
│ C) Reject and Redesign: return the plan for rewrite before any implementation
│   ✅  Forces author to internalize secure patterns from scratch — no bandaging a broken foundation
│   ✅  Cleanest outcome if the plan’s author needs to own the security thinking themselves
│   ❌  Dela…

❯ 1. A — Minimal Fix
     Fix SQL injection and email error handling only. Defer N+1 fix, tests, and dispatcher integration.
  2. B — Proper Integration (recommended)
     Fix all 5 issues: SQL injection, email handling, N+1 queries, tests, WebhookDispatcher integration.
  3. C — Reject and Redesign
     Return the plan for a full rewrite before any implementation proceeds.
  4. Type something.
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