Potential experiments

refactor(api)!: drop unused helpers, parameters and a route (#2511)

fix(worker): rebuild the deletion queue and cancel system dms (#2510)

fix(api): gate stream keys by channel type and cover previews (#2509)

chore(sdk): regenerate from OpenAPI

fix(api): handle bad manifests, unfurl errors and the apns key (#2508)

fix(api): batch connection reorders, dispatch on failed recheck (#2507)

fix(api): correct webhook dedupe and the instatus transforms (#2506)

fix(api)!: correct pagination and locking, drop toggle routes (#2505)

fix(api): correct report targets and ticket handling (#2504)

chore(sdk): regenerate from OpenAPI

fix(api): correct user content, read state and harvest paths (#2501)

fix(api): raise coded errors for prerequisites and bounds (#2502)

fix(api): reject unparsable bodies and screen non-form ones (#2503)

fix(api)!: enforce declared rate limits and correct route auth (#2500)

fix(api): correct guild permission and mfa checks (#2499)

fix(auth): correct mfa errors, sudo methods and birth dates (#2498)

fix(media-proxy): bound the relay body and drop the unread ttl (#2496)

fix(media-proxy): correct route errors and test the ip gate (#2495)

chore(gateway): delete modules with no callers (#2494)

feat(gateway): add an undrain endpoint and sweep orphan tables (#2493)