Add voice, image, sessions, search, and header tab switcher#4

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vladharl wants to merge 2 commits intonewmaterialco:mainfrom

vladharl:feat/device-identity-and-workspace-sync

Commits on Feb 23, 2026

Add Ed25519 device identity and workspace file sync on connect

vladharl
and
claude
committed
Add voice I/O, image input, multi-session, message search, and header tab switcher

vladharl
and
claude
committed