Add 5 data source sync management shortcuts to the aitable service:
- +datasource-create (create_datasource): create sync config + first sync
- +datasource-update (update_datasource_config): update existing sync config
- +datasource-sync (run_datasource_sync): trigger manual sync (max 5 tables)
- +datasource-sync-status (get_datasource_sync_status): query sync task status
- +datasource-get-config (get_datasource_config): get sync config details
Each shortcut declares a full Contract (Identity/Interface/Selection),
Safety, Flags, and Execute that calls rt.CallMCPData on the "aitable"
MCP server. datasource-type is passed through without CLI enum check;
source-config is validated as a JSON object via parseJSONObject.