Potential experiments

fix(gateway): return precise rpc errors and bound snowflakes

fix(gateway): close oversized bot identify with code 4011

feat(gateway): add an undrain endpoint and sweep orphan tables

fix(gateway): resync permissions and validate voice leaves

fix(gateway): repair the session lifecycle, limits and dead code

fix(api): resolve missing user rows for webhooks and sessions

fix(api): resolve missing user rows for webhooks and sessions

fix(api)!: align error codes with throw sites and image bounds

fix(api): answer 403 when the client ip header is unparsable

fix(api)!: always send Retry-After and reclassify two limits

fix(api)!: correct declared bounds and hide public bot mfa

fix(api)!: always send Retry-After and reclassify two limits

fix(api)!: correct declared bounds and hide public bot mfa

feat(self-host)!: rework the compose stack and demand secrets

fix(config)!: validate and derive config, drop the unread keys

chore(sdk): regenerate from OpenAPI

fix(auth): explain why a phone number was rejected (#2480)

i18n: regenerate localizations

fix(i18n): translate shipped English, repair broken catalogs (#2479)

chore(sdk): regenerate from OpenAPI