- Add JournalEntryStatus and JournalEntrySource enums to Prisma schema
- Add JournalEntry model with maker-checker fields, self-referential reversal relation, and audit timestamps
- Add JournalEntryLine model with debit/credit Decimal(15,2) fields
- Update Account model with journalEntryLines back-relation
- Update User model with createdJournalEntries and approvedJournalEntries back-relations
- Run migration: 20260304150817_add_journal_entry_models
- Add journalEntry and journalEntryLine to TENANT_SCOPED_MODELS in prisma-tenant.ts
- Create JournalEntryService with createEntry, approveEntry, reverseEntry, getAccountBalance, getTrialBalance
- Enforce debit=credit balance using integer cents comparison (avoids float issues)
- SYSTEM source entries auto-posted; MANUAL entries start as DRAFT for maker-checker
- Add AccountType, NormalBalance, PeriodStatus enums to schema
- Add Account model with tenant scoping, code/name/type/normalBalance/parentId
- Add AccountingPeriod model with year/month/status/closedAt/closedById
- Create ISP_CHART_OF_ACCOUNTS with 28 accounts across all 5 types (1000-5000 ranges)
- Create accounting-period.ts with getOpenPeriod, closePeriod, isDateInClosedPeriod
- Extend TENANT_SCOPED_MODELS with account and accountingPeriod
- Add full query extension blocks for account and accountingPeriod in withTenantContext
- Run migration: 20260304144656_add_accounting_models
- Create src/lib/prisma-tenant.ts:
- withTenantContext(tenantId) / createTenantPrisma — Prisma $extends client
- Intercepts findMany, findFirst, findUnique, create, createMany, update,
updateMany, delete, deleteMany, upsert, count, aggregate, groupBy on User
- Auto-injects tenantId filter on all reads, writes, and deletes
- setTenantRLS() helper for explicit RLS enforcement in transactions
- TENANT_SCOPED_MODELS constant for future extensibility
- Create prisma/migrations/20260304104214_initial_schema — baseline migration
capturing schema created by initial db push
- Create prisma/migrations/20260304104245_add_rls_policies:
- ALTER TABLE User ENABLE ROW LEVEL SECURITY
- CREATE POLICY tenant_isolation_user USING app.current_tenant_id session var
- Defense-in-depth architecture comments explaining primary vs secondary enforcement
- Create src/lib/__tests__/tenant-isolation.test.ts (6 tests, all passing):
- Test 1: Tenant A context returns only Tenant A's users (zero from B)
- Test 2: Tenant B context returns only Tenant B's users (zero from A)
- Test 3: create() auto-sets tenantId, invisible to other tenant
- Test 4: findUnique by Tenant B's ID under Tenant A context returns null
- Additional: findFirst cross-tenant blocked, count() is tenant-scoped
