feat(reader): Add PartitionSpec support to FileScanTask and RecordBatchTransformer

crates/iceberg/src/arrow/caching_delete_file_loader.rs

@@ -881,6 +881,9 @@ mod tests {
             project_field_ids: vec![2, 3],
             predicate: None,
             deletes: vec![pos_del, eq_del],
+            partition: None,
+            partition_spec: None,
+            name_mapping: None,
         };
 
         // Load the deletes - should handle both types without error

crates/iceberg/src/arrow/delete_filter.rs

@@ -341,6 +341,9 @@ pub(crate) mod tests {
                 project_field_ids: vec![],
                 predicate: None,
                 deletes: vec![pos_del_1, pos_del_2.clone()],
+                partition: None,
+                partition_spec: None,
+                name_mapping: None,
             },
             FileScanTask {
                 start: 0,
@@ -352,6 +355,9 @@ pub(crate) mod tests {
                 project_field_ids: vec![],
                 predicate: None,
                 deletes: vec![pos_del_3],
+                partition: None,
+                partition_spec: None,
+                name_mapping: None,
             },
         ];