aktualizacja dokumentacji w związku z TRASH i nowymi statusami plików.

confluence/Tables_setup.md

@@ -394,6 +394,9 @@ DATA Bucket:
 ├── ODS/
 │   └── {SOURCE}/
 │       └── {TABLE_NAME}/
+└── TRASH/                      -- File retention subfolder (not a separate bucket)
+    └── {SOURCE}/
+        └── {TABLE_NAME}/       -- CSV files after archival (ARCHIVED_AND_TRASHED status)
 
 ARCHIVE Bucket:
 └── ARCHIVE/
@@ -402,6 +405,8 @@ ARCHIVE Bucket:
             └── PARTITION_YEAR=*/
                 └── PARTITION_MONTH=*/
                     └── *.parquet
+
+Note: TRASH is a subfolder within the DATA bucket for file retention and rollback capability.
 ```
 
 ### 4. Migration Checklist