- Fix doctests for Accounts, Agents.Stats, Snmp to match actual behavior
- Fix dynamic_extra_test vendor post-processing tests to seed sensor data
- Fix activity_controller_test to seed devices for feed data
- Fix session_manager_test to create browser session for test
- Fix topology_test link creation for connection test
- Fix device_monitor/driver_worker tests for unique job constraints
- Fix accounts_test expired_tokens assertion (magic link token is expired)
- Fix happy_path_test and show_events_test to seed monitor data
- Fix admin user_live_test user.name -> user.email (no name field)
- Fix schema_test to seed activity data
- Fix mobile_qr_live_test to match actual template text
- Fix SnmpKit.MIB doctests and tests for enriched return values
- Fix onboarding_live, mobile_controller, mib_test weak assertions
- Remove dead code and fix credo warnings
