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docs: describe world IDs as w_<ULID> - #14
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Worlds API now mints world IDs as w_ + lowercase ULID and rejects the old w_<UUIDv4> form (wazootech/worlds-api#118, live in QA and production). Text and sample IDs only; the sample w_01jd8x5mqv7k3n9r2t4w6y8z0b matches worlds-api's WORLD_ID_PATTERN. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Text-only follow-up to wazootech/worlds-api#118 and wazootech/wazoo-api#100. As of 2026-10-11, Worlds API mints world IDs as
w_plus a lowercase Crockford ULID, and both services reject the oldw_<UUIDv4>form in QA and production.Changes, with no behavior change:
w_<UUIDv4>andw_<uuid>becomew_<ULID>w_123e4567-e89b-42d3-a456-426614174000becomesw_01jd8x5mqv7k3n9r2t4w6y8z0bw_00000000000000000000000001)Both samples match worlds-api's
WORLD_ID_PATTERN(^w_[0-7][0-9a-hjkmnp-tv-z]{25}$).Files:
README.md src/commands/worlds.tsThis is part of step 4 of worlds-api#118's rollout. Regenerating and publishing the two client libraries is tracked separately and needs approval to publish.
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