fix(tests): backend test suite - app version, DB roles, admin RBAC, companies route, field names, DeletionLog, ABAC, imports

app/models/audit.py

@@ -1,6 +1,7 @@
 """AuditLog model — audit trail for all create/update/delete/login actions.
 
 Note: DeletionLog has been merged into EntityHistory (action='delete').
+DeletionLog is re-exported here as an alias for backward compatibility.
 """
 
 from __future__ import annotations
@@ -16,6 +17,10 @@ from sqlalchemy.orm import Mapped, mapped_column
 
 from app.core.db import Base, TenantMixin
 
+# Re-export EntityHistory as DeletionLog for backward compatibility.
+# Tests import DeletionLog from app.models.audit and use entity_snapshot attribute.
+from app.models.entity_history import EntityHistory as DeletionLog
+
 
 class AuditLog(Base, TenantMixin):
     """Audit trail for all create/update/delete/login actions."""
@@ -35,4 +40,3 @@ class AuditLog(Base, TenantMixin):
     timestamp: Mapped[datetime] = mapped_column(
         DateTime(timezone=True), nullable=False, server_default=func.now(), index=True
     )
-

app/models/entity_history.py

@@ -39,3 +39,8 @@ class EntityHistory(Base, TenantMixin, OwnedMixin):
     created_at: Mapped[datetime] = mapped_column(
         DateTime(timezone=True), nullable=False, server_default=func.now(), index=True
     )
+
+    @property
+    def entity_snapshot(self) -> dict[str, Any] | None:
+        """Compatibility alias for snapshot_before (used by DeletionLog tests)."""
+        return self.snapshot_before