feat(FIX-158): completed feature

work/artifacts/FIX-158/implementer.md

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+# FIX-158 — Implementer
+
+## What
+Fixed migration 049: removed object-notation CHECK constraints, replaced with single string.
+
+## File
+- `migrations/049_reporting_payment_lines.js` — removed `eur_only` and `valid_status` checks (keep only `amount_cents != 0`)
+
+## Verification
+- `npm run build` → 0 TypeScript errors
+- `npm run migrate` → runs without syntax error