refactor(download): remove ProviderCore/download.py, move sanitize_filename to SYS.utils, replace callers to use API.HTTP.HTTPClient

SYS/pipeline.py

@@ -972,6 +972,16 @@ def get_last_result_table_row_selection_args(row_index: int) -> Optional[List[st
     return None
 
 
+def get_last_result_table_row_selection_action(row_index: int) -> Optional[List[str]]:
+    """Get the expanded stage tokens for a row in the last result table."""
+    state = _get_pipeline_state()
+    if _is_selectable_table(state.last_result_table) and hasattr(state.last_result_table, "rows"):
+        if 0 <= row_index < len(state.last_result_table.rows):
+            row = state.last_result_table.rows[row_index]
+            if hasattr(row, "selection_action"):
+                return row.selection_action
+    return None
+
 def set_current_stage_table(result_table: Optional[Any]) -> None:
     """Store the current pipeline stage table for @N expansion.
 
@@ -1035,6 +1045,17 @@ def get_current_stage_table_row_selection_args(row_index: int) -> Optional[List[
     return None
 
 
+def get_current_stage_table_row_selection_action(row_index: int) -> Optional[List[str]]:
+    """Get the expanded stage tokens for a row in the current stage table."""
+    state = _get_pipeline_state()
+    if _is_selectable_table(state.current_stage_table) and hasattr(state.current_stage_table, "rows"):
+        if 0 <= row_index < len(state.current_stage_table.rows):
+            row = state.current_stage_table.rows[row_index]
+            if hasattr(row, "selection_action"):
+                return row.selection_action
+    return None
+
+
 def get_current_stage_table_row_source_index(row_index: int) -> Optional[int]:
     """Get the original source index for a row in the current stage table.