v1.803.0

Changelog

• e4d33ae feat(cli): multi-field stream metadata; fix(cli): unknown-command hints, early --jq validation, last artifact block, saved output format as default, streamed events rendered as sent; fix(go,cli): body-less success under timeout, truncated streams fail; feat(go): EventStream.RawValue; feat(typescript): MCP servers on SDK v2; fix(all): Mintlify tag titles, open single-value enums (#2143)