Add compatibility shims at top-level to re-export SYS modules (pipeline/result_table/metadata/models/rich_display)

rich_display.py

@@ -0,0 +1,10 @@
+"""Backwards-compatibility shim for top-level `rich_display` module.
+
+Moved into `SYS.rich_display` — preserve old import path.
+"""
+
+from importlib import import_module
+import sys
+
+_real = import_module("SYS.rich_display")
+sys.modules[__name__] = _real