{"routes":{"fetch":"GET /fetch?uids=123,456","update":"POST /update  body: { 'users/123/stats': {...}, 'users/456/stats': {...} }","get":"GET /get?path=/users/123/stats","set":"POST /set?path=/users/123/stats  body: {...}","delete":"POST /delete?path=/users/123/stats","supabaseTest":"GET /supabase-test?uids=123,456 (read-only, local setup)","supabaseWriteTest":"POST /supabase-write-test?uid=166366279 (local-only scoped round-trip)"}}