Tasks completed: 2/2 - Task 1: JournalEntry models + JournalEntryService - Task 2: Journal entry API routes + comprehensive tests SUMMARY: .planning/phases/02-subscriber-and-billing-core/02-02-SUMMARY.md
Tasks completed: 2/2 - Task 1: JournalEntry models + JournalEntryService - Task 2: Journal entry API routes + comprehensive tests SUMMARY: .planning/phases/02-subscriber-and-billing-core/02-02-SUMMARY.md