Move invoice PDF template from app/templates/invoices/ to
app/modules/orders/templates/invoices/ where InvoicePDFService expects it.
Expand invoice PDF tests to validate template path and existence.
Add unit tests for get_merchant_metrics() in tenancy, billing, and
customer metrics providers. Add unit tests for StatsAggregatorService
merchant methods. Add integration tests for the merchant dashboard
stats endpoint.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Replace 153 broad `except Exception` with specific types (SQLAlchemyError,
TemplateError, OSError, SMTPException, ClientError, etc.) across 37 services
- Break catalog↔inventory circular dependency (IMPORT-004)
- Create 19 skeleton test files for MOD-024 coverage
- Exclude aggregator services from MOD-024 (false positives)
- Update test mocks to match narrowed exception types
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
