better db model

src/infrastructure/security/database_integrity.py

@@ -229,37 +229,6 @@ class DatabaseIntegrityChecker:
                 logger.warning(msg)
                 issues_found += count
 
-            # Check for invalid progress percentages
-            stmt = select(DownloadQueueItem).where(
-                (DownloadQueueItem.progress < 0) |
-                (DownloadQueueItem.progress > 100)
-            )
-            invalid_progress = self.session.execute(stmt).scalars().all()
-
-            if invalid_progress:
-                count = len(invalid_progress)
-                msg = (
-                    f"Found {count} queue items with invalid progress "
-                    f"percentages"
-                )
-                self.issues.append(msg)
-                logger.warning(msg)
-                issues_found += count
-
-            # Check for queue items with invalid status
-            valid_statuses = {'pending', 'downloading', 'completed', 'failed'}
-            stmt = select(DownloadQueueItem).where(
-                ~DownloadQueueItem.status.in_(valid_statuses)
-            )
-            invalid_status = self.session.execute(stmt).scalars().all()
-
-            if invalid_status:
-                count = len(invalid_status)
-                msg = f"Found {count} queue items with invalid status"
-                self.issues.append(msg)
-                logger.warning(msg)
-                issues_found += count
-
             if issues_found == 0:
                 logger.info("No data consistency issues found")