- test_create_printer_persisted: POST /printers + GET /printers
- test_create_printer_duplex/color_mode/paper_size/collate: field persistence
- test_create_client: POST /clients + GET /clients
- test_printer_grouped_by_client: client group heading in list
- test_create_printer_missing_name/invalid_ip: validation 400s
- test_delete_printer: DELETE /printers/{id} removes record
- imptune/db/database.py: deferred SqliteDatabase with WAL + foreign_keys pragmas and init_db()
- imptune/db/models.py: full schema (Client, Driver, Printer, Icon) for phases 1-5
- imptune/storage/driver_store.py: SHA256 content-addressed DriverStore with dedup
- tests/test_db.py: 7 TDD tests covering all db and storage behaviors
- requirements-dev.txt with pytest and httpx
- tests/conftest.py: client and tmp_data_dir fixtures
- tests/test_health.py: GET /health returns 200 with {"status": "ok"}
- tests/test_static.py: no CDN URLs in templates, dashboard returns 200
- Fix imptune/api/pages.py: use request= kwarg in TemplateResponse (Starlette compat)
- Fix imptune/main.py: replace deprecated on_event with asynccontextmanager lifespan
- 14 tests covering outer ZIP structure, Detection.xml schema, key sizes
- Cryptographic roundtrip: HMAC-SHA256, AES-256-CBC decryption, file digest
- IV size assertion: must be 16 bytes (critical correction from RESEARCH.md)
- Tests serve as format specification for build_intunewin() implementation