Update wiki_sync.py and process-wiki-system-changes to remove
astronomical_id references. Add migrate-s-to-gj.py migration script.
Update generate-stubs.py and validate-ron for new schema.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Define ZoneSpec, CultureProfile, and NpcBlueprint structs with serde/RON
deserialization. Ship example RON files as schema contract for the copy
team (#609, #610). Add validate-ron CLI for copy team to lint their files
without compiling the server.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>