refactor: replace ignored numeric literals with constants

src/modules/investments/portfolio/infrastructure/forecast.repository.ts

@@ -5,6 +5,8 @@ import type { Prisma } from '../../../../../generated/prisma/client';
 
 import { PrismaService } from '../../../../prisma/prisma.service';
 
+const FIRST_BATCH_OFFSET = 0;
+
 export type ForecastSourceVersion = {
   dataRevision: number;
   fetchedAt: Date;
@@ -82,7 +84,7 @@ export class ForecastRepository {
       // Four identity parameters per source: stay below SQLite's parameter limit.
       const sources: ForecastSourceVersion[] = [];
       for (
-        let offset = 0;
+        let offset = FIRST_BATCH_OFFSET;
         offset < input.sources.length;
         offset += forecastSourceReadBatchSize
       ) {