Add bounded generation transition receipts

src/docforge/pagination.py

@@ -103,7 +103,6 @@ def decode_cursor(
         or not isinstance(stored_binding, dict)
         or type(position) is not int
         or position < 0
-        or position >= total_count
         or not isinstance(checksum, str)
         or len(checksum) != 64
     ):
@@ -117,6 +116,8 @@ def decode_cursor(
             "stale_cursor",
             "Pagination cursor does not match the current result generation",
         )
+    if position >= total_count:
+        raise _invalid_cursor()
     return position