Superagent 0.5.6

What's Changed

• feat(models): add grok-4.6 to platform and OpenRouter catalogs by @yiw190 in #721
• fix(web): let Platform SSO launcher bypass the PWA service worker by @yiw190 in #735
• Fix Safari approval footer rendering by @iddogino in #737
• Cap markdown font weights at 500 and scale down heading sizes by @westaskew in #741
• Add word-level blur to streamed responses by @iddogino in #720
• Smooth the streaming auto-scroll by @westaskew in #739
• Put the activity card's work on one tree by @westaskew in #729
• Let the activity tree carry the working signal by @westaskew in #730
• Give every failure above the composer one treatment by @westaskew in #731
• Agent media via platform Replicate proxy (SUP-563) by @JeremyBischoff in #702
• Let owners use an agent-created child without reloading (SUP-425) by @JeremyBischoff in #733
• Fix subagent autoscroll snapping away from bottom by @iddogino in #743
• Restyle the activity card's planned-tasks section by @westaskew in #744
• Speed up dashboard first-run startup by @iddogino in #745

Full Changelog: v0.5.5...v0.5.6