release-0.22.3

• AI chat window & scrolling — Improve chat sizing and keep streaming responses pinned and readable
• AI chat memory — Persist workspace memory so AI chat can remember saved context across sessions
• AI chat math — Render inline LaTeX-style math as readable Unicode text
• AI chat shortcuts — Update input keyboard shortcuts for smoother message composition
• Publishing reliability — Make publishing more resilient when IPFS requests fail or are dropped
• macOS 12 stability — Avoid List scroll corruption on launch and fix a crash from stale planet references
• CLI installation — Add a Tools menu action to install the bundled Planet command-line utility
• Help menu — Add a GitHub Sponsors item
• Writer checklists — Fix return-key autocomplete for checklist items at the start of a line
• Browser media drag and drop — Improve handling when dragging media from the browser