Merge origin/main into feature branch, resolving 3 conflicts:
- app/api/__init__.py: add classification_rules_router alongside new
routers from main (audit_logs, i18n, mobile, compliance, translation)
- app/models.py: keep ClassificationRuleModel alongside new models from
main (MobileDevice, ComplianceTemplate, PipelineRoutingRule)
- tests/conftest.py: import both ClassificationRuleModel and new models
from main (AuditLog, ComplianceTemplate)
Also renumber migration from 027 to 037 to chain from the latest
migration on main (036_add_document_translation_fields).
Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>