😏

2026-08-24 08:11:59 -07:00
commit 53df0eed10
275 changed files with 133056 additions and 0 deletions
@@ -0,0 +1,4 @@
+# Versioned payload contract
+
+`upgrade_payload` must return a new mapping, preserve unknown fields, read legacy `userId`, write canonical `user_id`, remove only the legacy alias, reject conflicting aliases, and never mutate caller-owned nested data.
+