Update CLAUDE.md

Co-authored-by: Jose I. Paris <jiparis@gmail.com>
Signed-off-by: Miguel Martinez Trivino <migmartri@gmail.com>

Author: migmartri

CLAUDE.md

@@ -269,4 +269,4 @@ Code reviews are required for all submissions via GitHub pull requests.
 - when creating PR message, keep it high-level, what functionality was added, don't add info about testing, no icons, no info about how the message was generated.
 - app/controlplane/api/gen/frontend/google/protobuf/descriptor.ts is a special case that we don't want to upgrade, so if it upgrades, put it back to main
 - when creating a commit or PR message, NEVER add co-authored by or generated by Claude code
-- if you modify a schema, remember to run migration_diff in makefile or similar
+- if you modify a schema, remember to run `make migration_sync`