Superagent 0.5.0

What's Changed

• fix: defer Slack Bolt init so a bad token can't crash the app by @westaskew in #489
• fix(settings): write PUT response into the user-settings cache by @westaskew in #531
• feat(agents): halftone canvas banner for the agent cards by @westaskew in #532
• feat(home): widget-grid snap board for the home page by @westaskew in #533
• feat(home): redesigned agent home — widget-grid of live halftone cards by @westaskew in #262
• Fix homepage grid interaction, accessibility, and request fan-out by @iddogino in #618
• Optimize homepage Halftone Canvas2D runtime (SUP-520) by @iddogino in #632
• Send agent contact card after iMessage setup by @JeremyBischoff in #620
• fix(mcp-proxy): rewrite non-SSE GET 200 to 405 (SUP-525) by @yiw190 in #634
• fix: consume "Allow once" grant after host script execution by @iddogino in #636
• Fix halftone viewport performance by @iddogino in #637
• Browse and use cloud agents from the local Electron app (SUP-478) by @iddogino in #590
• build: split Dockerfile into multi-stage (2.46GB → 1.07GB, hosted 931MB) by @iddogino in #639
• Scope session routes to the authorized agent's own sessions (SUP-479) by @iddogino in #635
• build(agent-container): slim image 3.23GB → 1.67GB (wire 1218MB → 602MB) by @iddogino in #640
• perf(dashboards): ~40% faster availability + correct install semantics by @iddogino in #641
• test(e2e): fix home-cards arrange spec hanging on CI by @iddogino in #644
• Use dropdown selector for default policies on Connections page by @westaskew in #642
• Fix host-browser profile disk growth (SUP-527) by @iddogino in #638
• Support container-local browser sessions by @iddogino in #643
• Add native password manager credential broker by @iddogino in #646
• Make the tray, app menu and agent deep links follow the API target by @iddogino in #647
• Restyle Windows scrollbars to thin overlay-like thumbs by @iddogino in #649
• Linkify URLs in request cards (SUP-531) by @JeremyBischoff in #648

Full Changelog: v0.4.20...v0.5.0