v0.9.0

Features

• Mesh gradient desktop: New layered mesh gradient background
• Social network: Messages, auth, icon caching (#21)
• Voice system: TTS, STT, telephony (#17)
• File browser: Finder-class file browser (#20)
• App data layer: Postgres-backed with Kysely (#19)
• Terminal: IDE-grade terminal with Claude Code integration (#16)
• Mobile: Expo SDK 54 -> 55 upgrade

Fixes

• Docker test stability
• Backend auth, validation, transactions, SSRF protection
• XSS, a11y, memory leaks across social and messages
• Gateway input validation and slug safety
• SEO audit fixes (sitemap, robots.txt)

Improvements

• Docs and CI pipeline updates