refactor: share prisma json codec and check progress shape (WealthLedger/backend#170) (#191)

src/integrations/tbank/instrument-metadata.repository.ts

@@ -5,11 +5,11 @@ import { isDeepStrictEqual } from 'node:util';
 import type {
   TbankInstrumentLookup as MetadataLookupRow,
   TbankInstrument as MetadataRow,
-  Prisma,
 } from '../../../generated/prisma/client';
 import type { TbankInstrument } from './tbank.client';
 
 import { PrismaService } from '../../prisma/prisma.service';
+import { toJson } from '../../prisma/to-json';
 import { isJoinableRunningAttempt, type TbankSyncAttempt } from './tbank-access.service';
 import { TbankErrorCode } from './tbank-error-code';
 import { claimSyncWork, lockConnectionGeneration } from './tbank-sync-claim';
@@ -206,9 +206,7 @@ export class InstrumentMetadataRepository {
           const previous = await tx.tbankInstrument.findUnique({
             where: { provider_uid: key },
           });
-          const payload = JSON.parse(
-            JSON.stringify(instrument),
-          ) as Prisma.InputJsonObject;
+          const payload = toJson(instrument);
           const data = {
             metadata: payload,
             figi: