feat: group labels in sessions, tool steps redesign, swipe-to-open sidebar

feat: SVG channel icons, invalid group redirect, filter __system folders

feat: workflow actions, discord_ filter, shared folder builder

feat: skill detail panel, folder-based group picker, UI polish

feat: v0 design migration + unified chat/sessions UX

fix: streaming chat display and optimistic sent messages

fix: WebSocket singleton + chat message display

fix: chat sending — persist groupJid, resolve from API, wire up prefills

fix: deduplicate groups by folder+channel, not just folder

fix: hide server-level Discord entry from group switcher

feat: categorize groups by channel type in group switcher

fix: mobile group switcher and content padding

fix: connect all UI pages to backend API

fix: auto-redirect to /setup when no users exist

feat: NanoClaw Cockpit — full React SPA with 14 pages (#5)