Barrel files are convenient, but they often come with trade-offs including: Performance and memory: they artificially inflate the module graph and slow down startup times, HMR, and CI pipelines.

┌─────────────────┐ │ Data Sources │ (CRM, ERP Systems) └────────┬────────┘ │ ┌─────────────────┐ │ Bronze Layer │ Raw, unprocessed data │ (bronze.*) │ - Exact copy of source ...