audit: close review gaps, dedupe control-region and activation helpers

2026-09-04 10:48:29 +07:00
parent be583661cf
commit 79ce0d3eff
6 changed files with 100 additions and 45 deletions
@@ -145,7 +145,8 @@ def _available_fields(

    A single node use has one control region, so foreach fields are either
    present (inside a body) or absent (outside). Conditional availability is
-    not used to represent multiple owner stacks.
+    not used to represent multiple owner stacks: a node reached under two
+    stacks is a region conflict and receives no foreach fields at all.
    """
    contracts = list(STANDARD_CONTEXT_FIELDS)
    if active_scope is not None: